33 lines
972 B
C++
33 lines
972 B
C++
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// Copyright 2023 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "include/v8-value.h"
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#include "test/unittests/test-utils.h"
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#include "testing/gtest/include/gtest/gtest.h"
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namespace v8 {
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namespace {
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using ValueTest = TestWithContext;
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TEST_F(ValueTest, TypecheckWitness) {
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Local<Object> global = context()->Global();
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Local<String> foo = String::NewFromUtf8Literal(isolate(), "foo");
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Local<String> bar = String::NewFromUtf8Literal(isolate(), "bar");
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v8::TypecheckWitness witness(isolate());
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EXPECT_FALSE(witness.Matches(global));
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EXPECT_FALSE(witness.Matches(foo));
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witness.Update(global);
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EXPECT_TRUE(witness.Matches(global));
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EXPECT_FALSE(witness.Matches(foo));
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witness.Update(foo);
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EXPECT_FALSE(witness.Matches(global));
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EXPECT_TRUE(witness.Matches(foo));
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EXPECT_TRUE(witness.Matches(bar));
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}
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} // namespace
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} // namespace v8
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