35 lines
713 B
JavaScript
35 lines
713 B
JavaScript
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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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(function TestGrow() {
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let array = [0,1,2,3];
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function f(e) {
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array[4] = 42;
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return e;
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}
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assertEquals(array.flatMap(f), [0,1,2,3]);
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})();
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(function TestGrow2() {
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let array = [0,1];
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let depth = {
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valueOf() {
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array.push(2);
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array.push(3);
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return 10000;
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}
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};
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assertEquals(array.flat(depth), [0,1]);
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assertEquals(array, [0,1,2,3]);
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})();
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(function TestShrink() {
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let array = [0,1,2,3];
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function f(e) {
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array.length = 3;
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return e;
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}
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assertEquals(array.flatMap(f), [0,1,2]);
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})();
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