8195649: reorganize tests for java.util.Optional
Reviewed-by: psandoz
This commit is contained in:
Stuart Marks
parent
f147b6cc73
commit
87e7768a1c
@ -1,5 +1,5 @@
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/*
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* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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@ -22,350 +22,182 @@
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*/
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/* @test
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* @bug 8195649
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* @summary Basic functional test of Optional
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* @author Mike Duigou
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* @build ObscureException
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* @run testng Basic
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*/
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import java.lang.AssertionError;
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import java.lang.NullPointerException;
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import java.lang.Throwable;
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import java.util.List;
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import java.util.NoSuchElementException;
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import java.util.Optional;
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import java.util.concurrent.atomic.AtomicBoolean;
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import java.util.stream.Stream;
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import static java.util.stream.Collectors.toList;
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import static org.testng.Assert.*;
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import org.testng.annotations.Test;
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public class Basic {
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/**
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* Checks a block of assertions over an empty Optional.
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*/
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void checkEmpty(Optional<String> empty) {
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assertTrue(empty.equals(Optional.empty()));
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assertTrue(Optional.empty().equals(empty));
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assertFalse(empty.equals(Optional.of("unexpected")));
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assertFalse(Optional.of("unexpected").equals(empty));
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assertFalse(empty.equals("unexpected"));
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assertFalse(empty.isPresent());
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assertEquals(empty.hashCode(), 0);
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assertEquals(empty.orElse("x"), "x");
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assertEquals(empty.orElseGet(() -> "y"), "y");
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assertThrows(NoSuchElementException.class, () -> empty.get());
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assertThrows(NoSuchElementException.class, () -> empty.orElseThrow());
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assertThrows(ObscureException.class, () -> empty.orElseThrow(ObscureException::new));
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var b = new AtomicBoolean();
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empty.ifPresent(s -> b.set(true));
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assertFalse(b.get());
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var b1 = new AtomicBoolean(false);
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var b2 = new AtomicBoolean(false);
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empty.ifPresentOrElse(s -> b1.set(true), () -> b2.set(true));
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assertFalse(b1.get());
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assertTrue(b2.get());
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assertEquals(empty.toString(), "Optional.empty");
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}
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/**
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* Checks a block of assertions over an Optional that is expected to
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* have a particular value present.
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*/
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void checkPresent(Optional<String> opt, String expected) {
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assertFalse(opt.equals(Optional.empty()));
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assertFalse(Optional.empty().equals(opt));
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assertTrue(opt.equals(Optional.of(expected)));
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assertTrue(Optional.of(expected).equals(opt));
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assertFalse(opt.equals(Optional.of("unexpected")));
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assertFalse(Optional.of("unexpected").equals(opt));
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assertFalse(opt.equals("unexpected"));
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assertTrue(opt.isPresent());
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assertEquals(opt.hashCode(), expected.hashCode());
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assertEquals(opt.orElse("unexpected"), expected);
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assertEquals(opt.orElseGet(() -> "unexpected"), expected);
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assertEquals(opt.get(), expected);
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assertEquals(opt.orElseThrow(), expected);
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assertEquals(opt.orElseThrow(ObscureException::new), expected);
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var b = new AtomicBoolean(false);
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opt.ifPresent(s -> b.set(true));
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assertTrue(b.get());
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var b1 = new AtomicBoolean(false);
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var b2 = new AtomicBoolean(false);
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opt.ifPresentOrElse(s -> b1.set(true), () -> b2.set(true));
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assertTrue(b1.get());
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assertFalse(b2.get());
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assertEquals(opt.toString(), "Optional[" + expected + "]");
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}
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@Test(groups = "unit")
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public void testEmpty() {
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Optional<Boolean> empty = Optional.empty();
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Optional<String> presentEmptyString = Optional.of("");
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Optional<Boolean> present = Optional.of(Boolean.TRUE);
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// empty
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assertTrue(empty.equals(empty));
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assertTrue(empty.equals(Optional.empty()));
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assertTrue(!empty.equals(present));
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assertTrue(0 == empty.hashCode());
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assertTrue(!empty.toString().isEmpty());
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assertTrue(!empty.toString().equals(presentEmptyString.toString()));
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assertTrue(!empty.isPresent());
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empty.ifPresent(v -> fail());
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AtomicBoolean emptyCheck = new AtomicBoolean();
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empty.ifPresentOrElse(v -> fail(), () -> emptyCheck.set(true));
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assertTrue(emptyCheck.get());
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try {
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empty.ifPresentOrElse(v -> fail(), () -> { throw new ObscureException(); });
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fail();
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} catch (ObscureException expected) {
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} catch (AssertionError e) {
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throw e;
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} catch (Throwable t) {
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fail();
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}
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assertSame(null, empty.orElse(null));
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RuntimeException orElse = new RuntimeException() { };
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assertSame(Boolean.FALSE, empty.orElse(Boolean.FALSE));
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assertSame(null, empty.orElseGet(() -> null));
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assertSame(Boolean.FALSE, empty.orElseGet(() -> Boolean.FALSE));
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checkEmpty(Optional.empty());
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}
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@Test(groups = "unit")
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public void testIfPresentAndOrElseAndNull() {
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Optional<Boolean> empty = Optional.empty();
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Optional<Boolean> present = Optional.of(Boolean.TRUE);
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// No NPE
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present.ifPresentOrElse(v -> {}, null);
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empty.ifPresent(null);
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empty.ifPresentOrElse(null, () -> {});
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// NPE
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try {
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present.ifPresent(null);
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fail();
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} catch (NullPointerException ex) {}
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try {
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present.ifPresentOrElse(null, () -> {});
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fail();
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} catch (NullPointerException ex) {}
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try {
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empty.ifPresentOrElse(v -> {}, null);
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fail();
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} catch (NullPointerException ex) {}
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}
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@Test(expectedExceptions=NoSuchElementException.class)
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public void testEmptyGet() {
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Optional<Boolean> empty = Optional.empty();
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Boolean got = empty.get();
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}
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@Test(expectedExceptions=NullPointerException.class)
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public void testEmptyOrElseGetNull() {
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Optional<Boolean> empty = Optional.empty();
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Boolean got = empty.orElseGet(null);
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}
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@Test(expectedExceptions=NullPointerException.class)
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public void testEmptyOrElseThrowNull() throws Throwable {
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Optional<Boolean> empty = Optional.empty();
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Boolean got = empty.orElseThrow(null);
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}
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@Test(expectedExceptions=ObscureException.class)
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public void testEmptyOrElseThrow() throws Exception {
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Optional<Boolean> empty = Optional.empty();
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Boolean got = empty.orElseThrow(ObscureException::new);
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}
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@Test(expectedExceptions=NoSuchElementException.class)
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public void testEmptyOrElseThrowNoArg() throws Exception {
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Optional<Boolean> empty = Optional.empty();
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Boolean got = empty.orElseThrow();
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public void testOfNull() {
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assertThrows(NullPointerException.class, () -> Optional.of(null));
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}
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@Test(groups = "unit")
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public void testPresent() {
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Optional<Boolean> empty = Optional.empty();
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Optional<String> presentEmptyString = Optional.of("");
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Optional<Boolean> present = Optional.of(Boolean.TRUE);
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// present
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assertTrue(present.equals(present));
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assertTrue(present.equals(Optional.of(Boolean.TRUE)));
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assertTrue(!present.equals(empty));
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assertTrue(Boolean.TRUE.hashCode() == present.hashCode());
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assertTrue(!present.toString().isEmpty());
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assertTrue(!present.toString().equals(presentEmptyString.toString()));
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assertTrue(-1 != present.toString().indexOf(Boolean.TRUE.toString()));
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assertSame(Boolean.TRUE, present.get());
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assertSame(Boolean.TRUE, present.orElseThrow());
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AtomicBoolean presentCheck = new AtomicBoolean();
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present.ifPresent(v -> presentCheck.set(true));
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assertTrue(presentCheck.get());
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presentCheck.set(false);
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present.ifPresentOrElse(v -> presentCheck.set(true), () -> fail());
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assertTrue(presentCheck.get());
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try {
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present.ifPresent(v -> { throw new ObscureException(); });
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fail();
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} catch (ObscureException expected) {
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} catch (AssertionError e) {
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throw e;
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} catch (Throwable t) {
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fail();
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}
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try {
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present.ifPresentOrElse(v -> { throw new ObscureException(); }, () -> fail());
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fail();
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} catch (ObscureException expected) {
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} catch (AssertionError e) {
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throw e;
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} catch (Throwable t) {
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fail();
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}
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assertSame(Boolean.TRUE, present.orElse(null));
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assertSame(Boolean.TRUE, present.orElse(Boolean.FALSE));
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assertSame(Boolean.TRUE, present.orElseGet(null));
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assertSame(Boolean.TRUE, present.orElseGet(() -> null));
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assertSame(Boolean.TRUE, present.orElseGet(() -> Boolean.FALSE));
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assertSame(Boolean.TRUE, present.<RuntimeException>orElseThrow(null));
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assertSame(Boolean.TRUE, present.<RuntimeException>orElseThrow(ObscureException::new));
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public void testOfPresent() {
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checkPresent(Optional.of("xyzzy"), "xyzzy");
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}
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@Test(groups = "unit")
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public void testOfNullable() {
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Optional<String> instance = Optional.ofNullable(null);
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assertFalse(instance.isPresent());
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instance = Optional.ofNullable("Duke");
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assertTrue(instance.isPresent());
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assertEquals(instance.get(), "Duke");
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assertEquals(instance.orElseThrow(), "Duke");
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public void testOfNullableNull() {
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checkEmpty(Optional.ofNullable(null));
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}
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@Test(groups = "unit")
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public void testFilter() {
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// Null mapper function
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Optional<String> empty = Optional.empty();
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Optional<String> duke = Optional.of("Duke");
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try {
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Optional<String> result = empty.filter(null);
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fail("Should throw NPE on null mapping function");
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} catch (NullPointerException npe) {
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// expected
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}
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Optional<String> result = empty.filter(String::isEmpty);
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assertFalse(result.isPresent());
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result = duke.filter(String::isEmpty);
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assertFalse(result.isPresent());
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result = duke.filter(s -> s.startsWith("D"));
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assertTrue(result.isPresent());
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assertEquals(result.get(), "Duke");
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assertEquals(result.orElseThrow(), "Duke");
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Optional<String> emptyString = Optional.of("");
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result = emptyString.filter(String::isEmpty);
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assertTrue(result.isPresent());
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assertEquals(result.get(), "");
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assertEquals(result.orElseThrow(), "");
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public void testOfNullablePresent() {
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checkPresent(Optional.ofNullable("xyzzy"), "xyzzy");
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}
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@Test(groups = "unit")
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public void testMap() {
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Optional<String> empty = Optional.empty();
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Optional<String> duke = Optional.of("Duke");
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// Null mapper function
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try {
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Optional<Boolean> b = empty.map(null);
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fail("Should throw NPE on null mapping function");
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} catch (NullPointerException npe) {
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// expected
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}
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// Map an empty value
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Optional<Boolean> b = empty.map(String::isEmpty);
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assertFalse(b.isPresent());
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// Map into null
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b = empty.map(n -> null);
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assertFalse(b.isPresent());
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b = duke.map(s -> null);
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assertFalse(b.isPresent());
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// Map to value
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Optional<Integer> l = duke.map(String::length);
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assertEquals(l.get().intValue(), 4);
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public void testFilterEmpty() {
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checkEmpty(Optional.<String>empty().filter(s -> { fail(); return true; }));
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}
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@Test(groups = "unit")
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public void testFlatMap() {
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Optional<String> empty = Optional.empty();
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Optional<String> duke = Optional.of("Duke");
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// Null mapper function
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try {
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Optional<Boolean> b = empty.flatMap(null);
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fail("Should throw NPE on null mapping function");
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} catch (NullPointerException npe) {
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// expected
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}
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// Map into null
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try {
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Optional<Boolean> b = duke.flatMap(s -> null);
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fail("Should throw NPE when mapper return null");
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} catch (NullPointerException npe) {
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// expected
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}
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// Empty won't invoke mapper function
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try {
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Optional<Boolean> b = empty.flatMap(s -> null);
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assertFalse(b.isPresent());
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} catch (NullPointerException npe) {
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fail("Mapper function should not be invoked");
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}
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// Map an empty value
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Optional<Integer> l = empty.flatMap(s -> Optional.of(s.length()));
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assertFalse(l.isPresent());
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// Map to value
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Optional<Integer> fixture = Optional.of(Integer.MAX_VALUE);
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l = duke.flatMap(s -> Optional.of(s.length()));
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assertTrue(l.isPresent());
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assertEquals(l.get().intValue(), 4);
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assertEquals(l.orElseThrow().intValue(), 4);
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// Verify same instance
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l = duke.flatMap(s -> fixture);
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assertSame(l, fixture);
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public void testFilterFalse() {
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checkEmpty(Optional.of("xyzzy").filter(s -> s.equals("plugh")));
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}
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@Test(groups = "unit")
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public void testOr() {
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Optional<String> empty = Optional.empty();
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Optional<String> duke = Optional.of("Duke");
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// Null supplier
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try {
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Optional<String> b = empty.or(null);
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fail("Should throw NPE on null supplier");
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} catch (NullPointerException npe) {
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// expected
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}
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// Supply null
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try {
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Optional<String> b = empty.or(() -> null);
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fail("Should throw NPE when supplier returns null");
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} catch (NullPointerException npe) {
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// expected
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}
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// Non-empty won't invoke supplier
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try {
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Optional<String> b = duke.or(() -> null);
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assertTrue(b.isPresent());
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} catch (NullPointerException npe) {
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fail("Supplier should not be invoked");
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}
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// Supply for empty
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Optional<String> suppliedDuke = empty.or(() -> duke);
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assertTrue(suppliedDuke.isPresent());
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assertSame(suppliedDuke, duke);
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// Supply for non-empty
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Optional<String> actualDuke = duke.or(() -> Optional.of("Other Duke"));
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assertTrue(actualDuke.isPresent());
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assertSame(actualDuke, duke);
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public void testFilterTrue() {
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checkPresent(Optional.of("xyzzy").filter(s -> s.equals("xyzzy")), "xyzzy");
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}
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@Test(groups = "unit")
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public void testStream() {
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{
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Stream<String> s = Optional.<String>empty().stream();
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assertFalse(s.isParallel());
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Object[] es = s.toArray();
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assertEquals(es.length, 0);
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}
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{
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Stream<String> s = Optional.of("Duke").stream();
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assertFalse(s.isParallel());
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String[] es = s.toArray(String[]::new);
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assertEquals(es.length, 1);
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assertEquals(es[0], "Duke");
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}
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public void testMapEmpty() {
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checkEmpty(Optional.empty().map(s -> { fail(); return ""; }));
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}
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private static class ObscureException extends RuntimeException {
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@Test(groups = "unit")
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public void testMapPresent() {
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checkPresent(Optional.of("xyzzy").map(s -> s.replace("xyzzy", "plugh")), "plugh");
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}
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@Test(groups = "unit")
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public void testFlatMapEmpty() {
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checkEmpty(Optional.empty().flatMap(s -> { fail(); return Optional.of(""); }));
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}
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@Test(groups = "unit")
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public void testFlatMapPresentReturnEmpty() {
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checkEmpty(Optional.of("xyzzy")
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.flatMap(s -> { assertEquals(s, "xyzzy"); return Optional.empty(); }));
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}
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@Test(groups = "unit")
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public void testFlatMapPresentReturnPresent() {
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checkPresent(Optional.of("xyzzy")
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.flatMap(s -> { assertEquals(s, "xyzzy"); return Optional.of("plugh"); }),
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"plugh");
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}
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@Test(groups = "unit")
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public void testOrEmptyEmpty() {
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checkEmpty(Optional.<String>empty().or(() -> Optional.empty()));
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}
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@Test(groups = "unit")
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public void testOrEmptyPresent() {
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checkPresent(Optional.<String>empty().or(() -> Optional.of("plugh")), "plugh");
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}
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@Test(groups = "unit")
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public void testOrPresentDontCare() {
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checkPresent(Optional.of("xyzzy").or(() -> { fail(); return Optional.of("plugh"); }), "xyzzy");
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}
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@Test(groups = "unit")
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public void testStreamEmpty() {
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assertEquals(Optional.empty().stream().collect(toList()), List.of());
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}
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@Test(groups = "unit")
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public void testStreamPresent() {
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assertEquals(Optional.of("xyzzy").stream().collect(toList()), List.of("xyzzy"));
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}
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}
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@ -1,5 +1,5 @@
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/*
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* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
|
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* Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
|
||||
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
||||
*
|
||||
* This code is free software; you can redistribute it and/or modify it
|
||||
@ -22,187 +22,108 @@
|
||||
*/
|
||||
|
||||
/* @test
|
||||
* @bug 8195649
|
||||
* @summary Basic functional test of OptionalDouble
|
||||
* @author Mike Duigou
|
||||
* @build ObscureException
|
||||
* @run testng BasicDouble
|
||||
*/
|
||||
|
||||
import java.util.NoSuchElementException;
|
||||
import java.util.OptionalDouble;
|
||||
import java.util.concurrent.atomic.AtomicBoolean;
|
||||
import java.util.stream.DoubleStream;
|
||||
|
||||
import static org.testng.Assert.*;
|
||||
import org.testng.annotations.Test;
|
||||
|
||||
|
||||
public class BasicDouble {
|
||||
static final double DOUBLEVAL = Math.PI;
|
||||
static final double UNEXPECTED = 6.62607004E-34;
|
||||
|
||||
/**
|
||||
* Checks a block of assertions over an empty OptionalDouble.
|
||||
*/
|
||||
void checkEmpty(OptionalDouble empty) {
|
||||
assertTrue(empty.equals(OptionalDouble.empty()));
|
||||
assertTrue(OptionalDouble.empty().equals(empty));
|
||||
assertFalse(empty.equals(OptionalDouble.of(UNEXPECTED)));
|
||||
assertFalse(OptionalDouble.of(UNEXPECTED).equals(empty));
|
||||
assertFalse(empty.equals("unexpected"));
|
||||
|
||||
assertFalse(empty.isPresent());
|
||||
assertEquals(empty.hashCode(), 0);
|
||||
assertEquals(empty.orElse(UNEXPECTED), UNEXPECTED);
|
||||
assertEquals(empty.orElseGet(() -> UNEXPECTED), UNEXPECTED);
|
||||
|
||||
assertThrows(NoSuchElementException.class, () -> empty.getAsDouble());
|
||||
assertThrows(NoSuchElementException.class, () -> empty.orElseThrow());
|
||||
assertThrows(ObscureException.class, () -> empty.orElseThrow(ObscureException::new));
|
||||
|
||||
var b = new AtomicBoolean();
|
||||
empty.ifPresent(s -> b.set(true));
|
||||
assertFalse(b.get());
|
||||
|
||||
var b1 = new AtomicBoolean(false);
|
||||
var b2 = new AtomicBoolean(false);
|
||||
empty.ifPresentOrElse(s -> b1.set(true), () -> b2.set(true));
|
||||
assertFalse(b1.get());
|
||||
assertTrue(b2.get());
|
||||
|
||||
assertEquals(empty.toString(), "OptionalDouble.empty");
|
||||
}
|
||||
|
||||
/**
|
||||
* Checks a block of assertions over an OptionalDouble that is expected to
|
||||
* have a particular value present.
|
||||
*/
|
||||
void checkPresent(OptionalDouble opt, double expected) {
|
||||
assertFalse(opt.equals(OptionalDouble.empty()));
|
||||
assertFalse(OptionalDouble.empty().equals(opt));
|
||||
assertTrue(opt.equals(OptionalDouble.of(expected)));
|
||||
assertTrue(OptionalDouble.of(expected).equals(opt));
|
||||
assertFalse(opt.equals(OptionalDouble.of(UNEXPECTED)));
|
||||
assertFalse(OptionalDouble.of(UNEXPECTED).equals(opt));
|
||||
assertFalse(opt.equals("unexpected"));
|
||||
|
||||
assertTrue(opt.isPresent());
|
||||
assertEquals(opt.hashCode(), Double.hashCode(expected));
|
||||
assertEquals(opt.orElse(UNEXPECTED), expected);
|
||||
assertEquals(opt.orElseGet(() -> UNEXPECTED), expected);
|
||||
|
||||
assertEquals(opt.getAsDouble(), expected);
|
||||
assertEquals(opt.orElseThrow(), expected);
|
||||
assertEquals(opt.orElseThrow(ObscureException::new), expected);
|
||||
|
||||
var b = new AtomicBoolean(false);
|
||||
opt.ifPresent(s -> b.set(true));
|
||||
assertTrue(b.get());
|
||||
|
||||
var b1 = new AtomicBoolean(false);
|
||||
var b2 = new AtomicBoolean(false);
|
||||
opt.ifPresentOrElse(s -> b1.set(true), () -> b2.set(true));
|
||||
assertTrue(b1.get());
|
||||
assertFalse(b2.get());
|
||||
|
||||
assertEquals(opt.toString(), "OptionalDouble[" + expected + "]");
|
||||
}
|
||||
|
||||
@Test(groups = "unit")
|
||||
public void testEmpty() {
|
||||
OptionalDouble empty = OptionalDouble.empty();
|
||||
OptionalDouble present = OptionalDouble.of(1.0);
|
||||
|
||||
// empty
|
||||
assertTrue(empty.equals(empty));
|
||||
assertTrue(empty.equals(OptionalDouble.empty()));
|
||||
assertTrue(!empty.equals(present));
|
||||
assertTrue(0 == empty.hashCode());
|
||||
assertTrue(!empty.toString().isEmpty());
|
||||
assertTrue(!empty.isPresent());
|
||||
|
||||
empty.ifPresent(v -> { fail(); });
|
||||
|
||||
AtomicBoolean emptyCheck = new AtomicBoolean();
|
||||
empty.ifPresentOrElse(v -> fail(), () -> emptyCheck.set(true));
|
||||
assertTrue(emptyCheck.get());
|
||||
|
||||
try {
|
||||
empty.ifPresentOrElse(v -> fail(), () -> { throw new ObscureException(); });
|
||||
fail();
|
||||
} catch (ObscureException expected) {
|
||||
} catch (AssertionError e) {
|
||||
throw e;
|
||||
} catch (Throwable t) {
|
||||
fail();
|
||||
}
|
||||
|
||||
assertEquals(2.0, empty.orElse(2.0));
|
||||
assertEquals(2.0, empty.orElseGet(()-> 2.0));
|
||||
}
|
||||
|
||||
@Test(groups = "unit")
|
||||
public void testIfPresentAndOrElseAndNull() {
|
||||
OptionalDouble empty = OptionalDouble.empty();
|
||||
OptionalDouble present = OptionalDouble.of(1.0);
|
||||
|
||||
// No NPE
|
||||
present.ifPresentOrElse(v -> {}, null);
|
||||
empty.ifPresent(null);
|
||||
empty.ifPresentOrElse(null, () -> {});
|
||||
|
||||
// NPE
|
||||
try {
|
||||
present.ifPresent(null);
|
||||
fail();
|
||||
} catch (NullPointerException ex) {}
|
||||
try {
|
||||
present.ifPresentOrElse(null, () -> {});
|
||||
fail();
|
||||
} catch (NullPointerException ex) {}
|
||||
try {
|
||||
empty.ifPresentOrElse(v -> {}, null);
|
||||
fail();
|
||||
} catch (NullPointerException ex) {}
|
||||
}
|
||||
|
||||
@Test(expectedExceptions=NoSuchElementException.class)
|
||||
public void testEmptyGet() {
|
||||
OptionalDouble empty = OptionalDouble.empty();
|
||||
|
||||
double got = empty.getAsDouble();
|
||||
}
|
||||
|
||||
@Test(expectedExceptions=NullPointerException.class)
|
||||
public void testEmptyOrElseGetNull() {
|
||||
OptionalDouble empty = OptionalDouble.empty();
|
||||
|
||||
double got = empty.orElseGet(null);
|
||||
}
|
||||
|
||||
@Test(expectedExceptions=NullPointerException.class)
|
||||
public void testEmptyOrElseThrowNull() throws Throwable {
|
||||
OptionalDouble empty = OptionalDouble.empty();
|
||||
|
||||
double got = empty.orElseThrow(null);
|
||||
}
|
||||
|
||||
@Test(expectedExceptions=ObscureException.class)
|
||||
public void testEmptyOrElseThrow() throws Exception {
|
||||
OptionalDouble empty = OptionalDouble.empty();
|
||||
|
||||
double got = empty.orElseThrow(ObscureException::new);
|
||||
}
|
||||
|
||||
@Test(expectedExceptions=NoSuchElementException.class)
|
||||
public void testEmptyOrElseThrowNoArg() throws Exception {
|
||||
OptionalDouble empty = OptionalDouble.empty();
|
||||
|
||||
double got = empty.orElseThrow();
|
||||
checkEmpty(OptionalDouble.empty());
|
||||
}
|
||||
|
||||
@Test(groups = "unit")
|
||||
public void testPresent() {
|
||||
OptionalDouble empty = OptionalDouble.empty();
|
||||
OptionalDouble present = OptionalDouble.of(1.0);
|
||||
|
||||
// present
|
||||
assertTrue(present.equals(present));
|
||||
assertFalse(present.equals(OptionalDouble.of(0.0)));
|
||||
assertTrue(present.equals(OptionalDouble.of(1.0)));
|
||||
assertTrue(!present.equals(empty));
|
||||
assertTrue(Double.hashCode(1.0) == present.hashCode());
|
||||
assertFalse(present.toString().isEmpty());
|
||||
assertTrue(-1 != present.toString().indexOf(Double.toString(present.getAsDouble()).toString()));
|
||||
assertTrue(-1 != present.toString().indexOf(Double.toString(present.orElseThrow()).toString()));
|
||||
assertEquals(1.0, present.getAsDouble());
|
||||
assertEquals(1.0, present.orElseThrow());
|
||||
|
||||
AtomicBoolean presentCheck = new AtomicBoolean();
|
||||
present.ifPresent(v -> presentCheck.set(true));
|
||||
assertTrue(presentCheck.get());
|
||||
presentCheck.set(false);
|
||||
present.ifPresentOrElse(v -> presentCheck.set(true), () -> fail());
|
||||
assertTrue(presentCheck.get());
|
||||
|
||||
try {
|
||||
present.ifPresent(v -> { throw new ObscureException(); });
|
||||
fail();
|
||||
} catch (ObscureException expected) {
|
||||
} catch (AssertionError e) {
|
||||
throw e;
|
||||
} catch (Throwable t) {
|
||||
fail();
|
||||
}
|
||||
try {
|
||||
present.ifPresentOrElse(v -> { throw new ObscureException(); }, () -> fail());
|
||||
fail();
|
||||
} catch (ObscureException expected) {
|
||||
} catch (AssertionError e) {
|
||||
throw e;
|
||||
} catch (Throwable t) {
|
||||
fail();
|
||||
}
|
||||
|
||||
assertEquals(1.0, present.orElse(2.0));
|
||||
assertEquals(1.0, present.orElseGet(null));
|
||||
assertEquals(1.0, present.orElseGet(()-> 2.0));
|
||||
assertEquals(1.0, present.orElseGet(()-> 3.0));
|
||||
assertEquals(1.0, present.<RuntimeException>orElseThrow(null));
|
||||
assertEquals(1.0, present.<RuntimeException>orElseThrow(ObscureException::new));
|
||||
checkPresent(OptionalDouble.of(DOUBLEVAL), DOUBLEVAL);
|
||||
}
|
||||
|
||||
@Test(groups = "unit")
|
||||
public void testStream() {
|
||||
{
|
||||
DoubleStream s = OptionalDouble.empty().stream();
|
||||
assertFalse(s.isParallel());
|
||||
|
||||
double[] es = s.toArray();
|
||||
assertEquals(es.length, 0);
|
||||
}
|
||||
|
||||
{
|
||||
DoubleStream s = OptionalDouble.of(42.0).stream();
|
||||
assertFalse(s.isParallel());
|
||||
|
||||
double[] es = s.toArray();
|
||||
assertEquals(es.length, 1);
|
||||
assertEquals(es[0], 42.0);
|
||||
}
|
||||
public void testStreamEmpty() {
|
||||
assertEquals(OptionalDouble.empty().stream().toArray(), new double[] { });
|
||||
}
|
||||
|
||||
private static class ObscureException extends RuntimeException {
|
||||
|
||||
@Test(groups = "unit")
|
||||
public void testStreamPresent() {
|
||||
assertEquals(OptionalDouble.of(DOUBLEVAL).stream().toArray(), new double[] { DOUBLEVAL });
|
||||
}
|
||||
}
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
/*
|
||||
* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
|
||||
* Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
|
||||
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
||||
*
|
||||
* This code is free software; you can redistribute it and/or modify it
|
||||
@ -22,187 +22,109 @@
|
||||
*/
|
||||
|
||||
/* @test
|
||||
* @bug 8195649
|
||||
* @summary Basic functional test of OptionalInt
|
||||
* @author Mike Duigou
|
||||
* @build ObscureException
|
||||
* @run testng BasicInt
|
||||
*/
|
||||
|
||||
import java.util.NoSuchElementException;
|
||||
import java.util.OptionalInt;
|
||||
import java.util.concurrent.atomic.AtomicBoolean;
|
||||
import java.util.stream.IntStream;
|
||||
|
||||
import static org.testng.Assert.*;
|
||||
import org.testng.annotations.Test;
|
||||
|
||||
|
||||
public class BasicInt {
|
||||
|
||||
static final int INTVAL = 33_550_336;
|
||||
static final int UNEXPECTED = 0xCAFEBABE;
|
||||
|
||||
/**
|
||||
* Checks a block of assertions over an empty OptionalInt.
|
||||
*/
|
||||
void checkEmpty(OptionalInt empty) {
|
||||
assertTrue(empty.equals(OptionalInt.empty()));
|
||||
assertTrue(OptionalInt.empty().equals(empty));
|
||||
assertFalse(empty.equals(OptionalInt.of(UNEXPECTED)));
|
||||
assertFalse(OptionalInt.of(UNEXPECTED).equals(empty));
|
||||
assertFalse(empty.equals("unexpected"));
|
||||
|
||||
assertFalse(empty.isPresent());
|
||||
assertEquals(empty.hashCode(), 0);
|
||||
assertEquals(empty.orElse(UNEXPECTED), UNEXPECTED);
|
||||
assertEquals(empty.orElseGet(() -> UNEXPECTED), UNEXPECTED);
|
||||
|
||||
assertThrows(NoSuchElementException.class, () -> empty.getAsInt());
|
||||
assertThrows(NoSuchElementException.class, () -> empty.orElseThrow());
|
||||
assertThrows(ObscureException.class, () -> empty.orElseThrow(ObscureException::new));
|
||||
|
||||
var b = new AtomicBoolean();
|
||||
empty.ifPresent(s -> b.set(true));
|
||||
assertFalse(b.get());
|
||||
|
||||
var b1 = new AtomicBoolean(false);
|
||||
var b2 = new AtomicBoolean(false);
|
||||
empty.ifPresentOrElse(s -> b1.set(true), () -> b2.set(true));
|
||||
assertFalse(b1.get());
|
||||
assertTrue(b2.get());
|
||||
|
||||
assertEquals(empty.toString(), "OptionalInt.empty");
|
||||
}
|
||||
|
||||
/**
|
||||
* Checks a block of assertions over an OptionalInt that is expected to
|
||||
* have a particular value present.
|
||||
*/
|
||||
void checkPresent(OptionalInt opt, int expected) {
|
||||
assertFalse(opt.equals(OptionalInt.empty()));
|
||||
assertFalse(OptionalInt.empty().equals(opt));
|
||||
assertTrue(opt.equals(OptionalInt.of(expected)));
|
||||
assertTrue(OptionalInt.of(expected).equals(opt));
|
||||
assertFalse(opt.equals(OptionalInt.of(UNEXPECTED)));
|
||||
assertFalse(OptionalInt.of(UNEXPECTED).equals(opt));
|
||||
assertFalse(opt.equals("unexpected"));
|
||||
|
||||
assertTrue(opt.isPresent());
|
||||
assertEquals(opt.hashCode(), Integer.hashCode(expected));
|
||||
assertEquals(opt.orElse(UNEXPECTED), expected);
|
||||
assertEquals(opt.orElseGet(() -> UNEXPECTED), expected);
|
||||
|
||||
assertEquals(opt.getAsInt(), expected);
|
||||
assertEquals(opt.orElseThrow(), expected);
|
||||
assertEquals(opt.orElseThrow(ObscureException::new), expected);
|
||||
|
||||
var b = new AtomicBoolean(false);
|
||||
opt.ifPresent(s -> b.set(true));
|
||||
assertTrue(b.get());
|
||||
|
||||
var b1 = new AtomicBoolean(false);
|
||||
var b2 = new AtomicBoolean(false);
|
||||
opt.ifPresentOrElse(s -> b1.set(true), () -> b2.set(true));
|
||||
assertTrue(b1.get());
|
||||
assertFalse(b2.get());
|
||||
|
||||
assertEquals(opt.toString(), "OptionalInt[" + expected + "]");
|
||||
}
|
||||
|
||||
@Test(groups = "unit")
|
||||
public void testEmpty() {
|
||||
OptionalInt empty = OptionalInt.empty();
|
||||
OptionalInt present = OptionalInt.of(1);
|
||||
|
||||
// empty
|
||||
assertTrue(empty.equals(empty));
|
||||
assertTrue(empty.equals(OptionalInt.empty()));
|
||||
assertTrue(!empty.equals(present));
|
||||
assertTrue(0 == empty.hashCode());
|
||||
assertTrue(!empty.toString().isEmpty());
|
||||
assertTrue(!empty.isPresent());
|
||||
|
||||
empty.ifPresent(v -> { fail(); });
|
||||
|
||||
AtomicBoolean emptyCheck = new AtomicBoolean();
|
||||
empty.ifPresentOrElse(v -> fail(), () -> emptyCheck.set(true));
|
||||
assertTrue(emptyCheck.get());
|
||||
|
||||
try {
|
||||
empty.ifPresentOrElse(v -> fail(), () -> { throw new ObscureException(); });
|
||||
fail();
|
||||
} catch (ObscureException expected) {
|
||||
} catch (AssertionError e) {
|
||||
throw e;
|
||||
} catch (Throwable t) {
|
||||
fail();
|
||||
}
|
||||
|
||||
assertEquals(2, empty.orElse(2));
|
||||
assertEquals(2, empty.orElseGet(()-> 2));
|
||||
}
|
||||
|
||||
@Test(groups = "unit")
|
||||
public void testIfPresentAndOrElseAndNull() {
|
||||
OptionalInt empty = OptionalInt.empty();
|
||||
OptionalInt present = OptionalInt.of(1);
|
||||
|
||||
// No NPE
|
||||
present.ifPresentOrElse(v -> {}, null);
|
||||
empty.ifPresent(null);
|
||||
empty.ifPresentOrElse(null, () -> {});
|
||||
|
||||
// NPE
|
||||
try {
|
||||
present.ifPresent(null);
|
||||
fail();
|
||||
} catch (NullPointerException ex) {}
|
||||
try {
|
||||
present.ifPresentOrElse(null, () -> {});
|
||||
fail();
|
||||
} catch (NullPointerException ex) {}
|
||||
try {
|
||||
empty.ifPresentOrElse(v -> {}, null);
|
||||
fail();
|
||||
} catch (NullPointerException ex) {}
|
||||
}
|
||||
|
||||
@Test(expectedExceptions=NoSuchElementException.class)
|
||||
public void testEmptyGet() {
|
||||
OptionalInt empty = OptionalInt.empty();
|
||||
|
||||
int got = empty.getAsInt();
|
||||
}
|
||||
|
||||
@Test(expectedExceptions=NullPointerException.class)
|
||||
public void testEmptyOrElseGetNull() {
|
||||
OptionalInt empty = OptionalInt.empty();
|
||||
|
||||
int got = empty.orElseGet(null);
|
||||
}
|
||||
|
||||
@Test(expectedExceptions=NullPointerException.class)
|
||||
public void testEmptyOrElseThrowNull() throws Throwable {
|
||||
OptionalInt empty = OptionalInt.empty();
|
||||
|
||||
int got = empty.orElseThrow(null);
|
||||
}
|
||||
|
||||
@Test(expectedExceptions=ObscureException.class)
|
||||
public void testEmptyOrElseThrow() throws Exception {
|
||||
OptionalInt empty = OptionalInt.empty();
|
||||
|
||||
int got = empty.orElseThrow(ObscureException::new);
|
||||
}
|
||||
|
||||
@Test(expectedExceptions=NoSuchElementException.class)
|
||||
public void testEmptyOrElseThrowNoArg() throws Exception {
|
||||
OptionalInt empty = OptionalInt.empty();
|
||||
|
||||
int got = empty.orElseThrow();
|
||||
checkEmpty(OptionalInt.empty());
|
||||
}
|
||||
|
||||
@Test(groups = "unit")
|
||||
public void testPresent() {
|
||||
OptionalInt empty = OptionalInt.empty();
|
||||
OptionalInt present = OptionalInt.of(1);
|
||||
|
||||
// present
|
||||
assertTrue(present.equals(present));
|
||||
assertFalse(present.equals(OptionalInt.of(0)));
|
||||
assertTrue(present.equals(OptionalInt.of(1)));
|
||||
assertFalse(present.equals(empty));
|
||||
assertTrue(Integer.hashCode(1) == present.hashCode());
|
||||
assertFalse(present.toString().isEmpty());
|
||||
assertTrue(-1 != present.toString().indexOf(Integer.toString(present.getAsInt()).toString()));
|
||||
assertTrue(-1 != present.toString().indexOf(Integer.toString(present.orElseThrow()).toString()));
|
||||
assertEquals(1, present.getAsInt());
|
||||
assertEquals(1, present.orElseThrow());
|
||||
|
||||
AtomicBoolean presentCheck = new AtomicBoolean();
|
||||
present.ifPresent(v -> presentCheck.set(true));
|
||||
assertTrue(presentCheck.get());
|
||||
presentCheck.set(false);
|
||||
present.ifPresentOrElse(v -> presentCheck.set(true), () -> fail());
|
||||
assertTrue(presentCheck.get());
|
||||
|
||||
try {
|
||||
present.ifPresent(v -> { throw new ObscureException(); });
|
||||
fail();
|
||||
} catch (ObscureException expected) {
|
||||
} catch (AssertionError e) {
|
||||
throw e;
|
||||
} catch (Throwable t) {
|
||||
fail();
|
||||
}
|
||||
try {
|
||||
present.ifPresentOrElse(v -> { throw new ObscureException(); }, () -> fail());
|
||||
fail();
|
||||
} catch (ObscureException expected) {
|
||||
} catch (AssertionError e) {
|
||||
throw e;
|
||||
} catch (Throwable t) {
|
||||
fail();
|
||||
}
|
||||
|
||||
assertEquals(1, present.orElse(2));
|
||||
assertEquals(1, present.orElseGet(null));
|
||||
assertEquals(1, present.orElseGet(()-> 2));
|
||||
assertEquals(1, present.orElseGet(()-> 3));
|
||||
assertEquals(1, present.<RuntimeException>orElseThrow(null));
|
||||
assertEquals(1, present.<RuntimeException>orElseThrow(ObscureException::new));
|
||||
checkPresent(OptionalInt.of(INTVAL), INTVAL);
|
||||
}
|
||||
|
||||
@Test(groups = "unit")
|
||||
public void testStream() {
|
||||
{
|
||||
IntStream s = OptionalInt.empty().stream();
|
||||
assertFalse(s.isParallel());
|
||||
|
||||
int[] es = s.toArray();
|
||||
assertEquals(es.length, 0);
|
||||
}
|
||||
|
||||
{
|
||||
IntStream s = OptionalInt.of(42).stream();
|
||||
assertFalse(s.isParallel());
|
||||
|
||||
int[] es = OptionalInt.of(42).stream().toArray();
|
||||
assertEquals(es.length, 1);
|
||||
assertEquals(es[0], 42);
|
||||
}
|
||||
public void testStreamEmpty() {
|
||||
assertEquals(OptionalInt.empty().stream().toArray(), new int[] { });
|
||||
}
|
||||
|
||||
private static class ObscureException extends RuntimeException {
|
||||
|
||||
@Test(groups = "unit")
|
||||
public void testStreamPresent() {
|
||||
assertEquals(OptionalInt.of(INTVAL).stream().toArray(), new int[] { INTVAL });
|
||||
}
|
||||
}
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
/*
|
||||
* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
|
||||
* Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
|
||||
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
||||
*
|
||||
* This code is free software; you can redistribute it and/or modify it
|
||||
@ -22,187 +22,108 @@
|
||||
*/
|
||||
|
||||
/* @test
|
||||
* @bug 8195649
|
||||
* @summary Basic functional test of OptionalLong
|
||||
* @author Mike Duigou
|
||||
* @build ObscureException
|
||||
* @run testng BasicLong
|
||||
*/
|
||||
|
||||
import java.util.NoSuchElementException;
|
||||
import java.util.OptionalLong;
|
||||
import java.util.concurrent.atomic.AtomicBoolean;
|
||||
import java.util.stream.LongStream;
|
||||
|
||||
import static org.testng.Assert.*;
|
||||
import org.testng.annotations.Test;
|
||||
|
||||
|
||||
public class BasicLong {
|
||||
static final long LONGVAL = 2_305_843_008_139_952_128L;
|
||||
static final long UNEXPECTED = 0xFEEDBEEFCAFEBABEL;
|
||||
|
||||
/**
|
||||
* Checks a block of assertions over an empty OptionalLong.
|
||||
*/
|
||||
void checkEmpty(OptionalLong empty) {
|
||||
assertTrue(empty.equals(OptionalLong.empty()));
|
||||
assertTrue(OptionalLong.empty().equals(empty));
|
||||
assertFalse(empty.equals(OptionalLong.of(UNEXPECTED)));
|
||||
assertFalse(OptionalLong.of(UNEXPECTED).equals(empty));
|
||||
assertFalse(empty.equals("unexpected"));
|
||||
|
||||
assertFalse(empty.isPresent());
|
||||
assertEquals(empty.hashCode(), 0);
|
||||
assertEquals(empty.orElse(UNEXPECTED), UNEXPECTED);
|
||||
assertEquals(empty.orElseGet(() -> UNEXPECTED), UNEXPECTED);
|
||||
|
||||
assertThrows(NoSuchElementException.class, () -> empty.getAsLong());
|
||||
assertThrows(NoSuchElementException.class, () -> empty.orElseThrow());
|
||||
assertThrows(ObscureException.class, () -> empty.orElseThrow(ObscureException::new));
|
||||
|
||||
var b = new AtomicBoolean();
|
||||
empty.ifPresent(s -> b.set(true));
|
||||
assertFalse(b.get());
|
||||
|
||||
var b1 = new AtomicBoolean(false);
|
||||
var b2 = new AtomicBoolean(false);
|
||||
empty.ifPresentOrElse(s -> b1.set(true), () -> b2.set(true));
|
||||
assertFalse(b1.get());
|
||||
assertTrue(b2.get());
|
||||
|
||||
assertEquals(empty.toString(), "OptionalLong.empty");
|
||||
}
|
||||
|
||||
/**
|
||||
* Checks a block of assertions over an OptionalLong that is expected to
|
||||
* have a particular value present.
|
||||
*/
|
||||
void checkPresent(OptionalLong opt, long expected) {
|
||||
assertFalse(opt.equals(OptionalLong.empty()));
|
||||
assertFalse(OptionalLong.empty().equals(opt));
|
||||
assertTrue(opt.equals(OptionalLong.of(expected)));
|
||||
assertTrue(OptionalLong.of(expected).equals(opt));
|
||||
assertFalse(opt.equals(OptionalLong.of(UNEXPECTED)));
|
||||
assertFalse(OptionalLong.of(UNEXPECTED).equals(opt));
|
||||
assertFalse(opt.equals("unexpected"));
|
||||
|
||||
assertTrue(opt.isPresent());
|
||||
assertEquals(opt.hashCode(), Long.hashCode(expected));
|
||||
assertEquals(opt.orElse(UNEXPECTED), expected);
|
||||
assertEquals(opt.orElseGet(() -> UNEXPECTED), expected);
|
||||
|
||||
assertEquals(opt.getAsLong(), expected);
|
||||
assertEquals(opt.orElseThrow(), expected);
|
||||
assertEquals(opt.orElseThrow(ObscureException::new), expected);
|
||||
|
||||
var b = new AtomicBoolean(false);
|
||||
opt.ifPresent(s -> b.set(true));
|
||||
assertTrue(b.get());
|
||||
|
||||
var b1 = new AtomicBoolean(false);
|
||||
var b2 = new AtomicBoolean(false);
|
||||
opt.ifPresentOrElse(s -> b1.set(true), () -> b2.set(true));
|
||||
assertTrue(b1.get());
|
||||
assertFalse(b2.get());
|
||||
|
||||
assertEquals(opt.toString(), "OptionalLong[" + expected + "]");
|
||||
}
|
||||
|
||||
@Test(groups = "unit")
|
||||
public void testEmpty() {
|
||||
OptionalLong empty = OptionalLong.empty();
|
||||
OptionalLong present = OptionalLong.of(1);
|
||||
|
||||
// empty
|
||||
assertTrue(empty.equals(empty));
|
||||
assertTrue(empty.equals(OptionalLong.empty()));
|
||||
assertTrue(!empty.equals(present));
|
||||
assertTrue(0 == empty.hashCode());
|
||||
assertTrue(!empty.toString().isEmpty());
|
||||
assertTrue(!empty.isPresent());
|
||||
|
||||
empty.ifPresent(v -> { fail(); });
|
||||
|
||||
AtomicBoolean emptyCheck = new AtomicBoolean();
|
||||
empty.ifPresentOrElse(v -> fail(), () -> emptyCheck.set(true));
|
||||
assertTrue(emptyCheck.get());
|
||||
|
||||
try {
|
||||
empty.ifPresentOrElse(v -> fail(), () -> { throw new ObscureException(); });
|
||||
fail();
|
||||
} catch (ObscureException expected) {
|
||||
} catch (AssertionError e) {
|
||||
throw e;
|
||||
} catch (Throwable t) {
|
||||
fail();
|
||||
}
|
||||
|
||||
assertEquals(2, empty.orElse(2));
|
||||
assertEquals(2, empty.orElseGet(()-> 2));
|
||||
}
|
||||
|
||||
@Test(groups = "unit")
|
||||
public void testIfPresentAndOrElseAndNull() {
|
||||
OptionalLong empty = OptionalLong.empty();
|
||||
OptionalLong present = OptionalLong.of(1);
|
||||
|
||||
// No NPE
|
||||
present.ifPresentOrElse(v -> {}, null);
|
||||
empty.ifPresent(null);
|
||||
empty.ifPresentOrElse(null, () -> {});
|
||||
|
||||
// NPE
|
||||
try {
|
||||
present.ifPresent(null);
|
||||
fail();
|
||||
} catch (NullPointerException ex) {}
|
||||
try {
|
||||
present.ifPresentOrElse(null, () -> {});
|
||||
fail();
|
||||
} catch (NullPointerException ex) {}
|
||||
try {
|
||||
empty.ifPresentOrElse(v -> {}, null);
|
||||
fail();
|
||||
} catch (NullPointerException ex) {}
|
||||
}
|
||||
|
||||
@Test(expectedExceptions=NoSuchElementException.class)
|
||||
public void testEmptyGet() {
|
||||
OptionalLong empty = OptionalLong.empty();
|
||||
|
||||
long got = empty.getAsLong();
|
||||
}
|
||||
|
||||
@Test(expectedExceptions=NullPointerException.class)
|
||||
public void testEmptyOrElseGetNull() {
|
||||
OptionalLong empty = OptionalLong.empty();
|
||||
|
||||
long got = empty.orElseGet(null);
|
||||
}
|
||||
|
||||
@Test(expectedExceptions=NullPointerException.class)
|
||||
public void testEmptyOrElseThrowNull() throws Throwable {
|
||||
OptionalLong empty = OptionalLong.empty();
|
||||
|
||||
long got = empty.orElseThrow(null);
|
||||
}
|
||||
|
||||
@Test(expectedExceptions=ObscureException.class)
|
||||
public void testEmptyOrElseThrow() throws Exception {
|
||||
OptionalLong empty = OptionalLong.empty();
|
||||
|
||||
long got = empty.orElseThrow(ObscureException::new);
|
||||
}
|
||||
|
||||
@Test(expectedExceptions=NoSuchElementException.class)
|
||||
public void testEmptyOrElseThrowNoArg() throws Exception {
|
||||
OptionalLong empty = OptionalLong.empty();
|
||||
|
||||
long got = empty.orElseThrow();
|
||||
checkEmpty(OptionalLong.empty());
|
||||
}
|
||||
|
||||
@Test(groups = "unit")
|
||||
public void testPresent() {
|
||||
OptionalLong empty = OptionalLong.empty();
|
||||
OptionalLong present = OptionalLong.of(1L);
|
||||
|
||||
// present
|
||||
assertTrue(present.equals(present));
|
||||
assertFalse(present.equals(OptionalLong.of(0L)));
|
||||
assertTrue(present.equals(OptionalLong.of(1L)));
|
||||
assertFalse(present.equals(empty));
|
||||
assertTrue(Long.hashCode(1) == present.hashCode());
|
||||
assertFalse(present.toString().isEmpty());
|
||||
assertTrue(-1 != present.toString().indexOf(Long.toString(present.getAsLong()).toString()));
|
||||
assertTrue(-1 != present.toString().indexOf(Long.toString(present.orElseThrow()).toString()));
|
||||
assertEquals(1L, present.getAsLong());
|
||||
assertEquals(1L, present.orElseThrow());
|
||||
|
||||
AtomicBoolean presentCheck = new AtomicBoolean();
|
||||
present.ifPresent(v -> presentCheck.set(true));
|
||||
assertTrue(presentCheck.get());
|
||||
presentCheck.set(false);
|
||||
present.ifPresentOrElse(v -> presentCheck.set(true), () -> fail());
|
||||
assertTrue(presentCheck.get());
|
||||
|
||||
try {
|
||||
present.ifPresent(v -> { throw new ObscureException(); });
|
||||
fail();
|
||||
} catch (ObscureException expected) {
|
||||
} catch (AssertionError e) {
|
||||
throw e;
|
||||
} catch (Throwable t) {
|
||||
fail();
|
||||
}
|
||||
try {
|
||||
present.ifPresentOrElse(v -> {
|
||||
throw new ObscureException();
|
||||
}, () -> fail());
|
||||
fail();
|
||||
} catch (ObscureException expected) {
|
||||
} catch (AssertionError e) {
|
||||
throw e;
|
||||
} catch (Throwable t) {
|
||||
fail();
|
||||
}
|
||||
|
||||
assertEquals(1, present.orElse(2));
|
||||
assertEquals(1, present.orElseGet(null));
|
||||
assertEquals(1, present.orElseGet(()-> 2));
|
||||
assertEquals(1, present.orElseGet(()-> 3));
|
||||
assertEquals(1, present.<RuntimeException>orElseThrow(null));
|
||||
assertEquals(1, present.<RuntimeException>orElseThrow(ObscureException::new));
|
||||
checkPresent(OptionalLong.of(LONGVAL), LONGVAL);
|
||||
}
|
||||
|
||||
@Test(groups = "unit")
|
||||
public void testStream() {
|
||||
{
|
||||
LongStream s = OptionalLong.empty().stream();
|
||||
|
||||
long[] es = s.toArray();
|
||||
assertEquals(es.length, 0);
|
||||
}
|
||||
|
||||
{
|
||||
LongStream s = OptionalLong.of(42L).stream();
|
||||
|
||||
long[] es = s.toArray();
|
||||
assertEquals(es.length, 1);
|
||||
assertEquals(es[0], 42L);
|
||||
}
|
||||
public void testStreamEmpty() {
|
||||
assertEquals(OptionalLong.empty().stream().toArray(), new long[] { });
|
||||
}
|
||||
|
||||
private static class ObscureException extends RuntimeException {
|
||||
|
||||
@Test(groups = "unit")
|
||||
public void testStreamPresent() {
|
||||
assertEquals(OptionalLong.of(LONGVAL).stream().toArray(), new long[] { LONGVAL });
|
||||
}
|
||||
}
|
||||
|
||||
27
test/jdk/java/util/Optional/ObscureException.java
Normal file
27
test/jdk/java/util/Optional/ObscureException.java
Normal file
@ -0,0 +1,27 @@
|
||||
/*
|
||||
* Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
|
||||
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
||||
*
|
||||
* This code is free software; you can redistribute it and/or modify it
|
||||
* under the terms of the GNU General Public License version 2 only, as
|
||||
* published by the Free Software Foundation.
|
||||
*
|
||||
* This code is distributed in the hope that it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||
* version 2 for more details (a copy is included in the LICENSE file that
|
||||
* accompanied this code).
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License version
|
||||
* 2 along with this work; if not, write to the Free Software Foundation,
|
||||
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
||||
*
|
||||
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
||||
* or visit www.oracle.com if you need additional information or have any
|
||||
* questions.
|
||||
*/
|
||||
|
||||
/**
|
||||
* A unique exception used for checking exception types.
|
||||
*/
|
||||
public class ObscureException extends RuntimeException { }
|
||||
Loading…
x
Reference in New Issue
Block a user