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2dcc3665ab
PR-URL: https://github.com/nodejs/node/pull/28016 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Refael Ackermann (רפאל פלחי) <refack@gmail.com> Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
35 lines
1016 B
JavaScript
35 lines
1016 B
JavaScript
// Copyright 2017 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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// Flags: --allow-natives-syntax
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// Test Object literal with large-object elements.
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let indices = [];
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const max = 0x1ef3e + 100;
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for (let i = 0; i < max; i++) {
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indices.push(""+i);
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}
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let source = "return {" + indices.join(":0,") + ":0};"
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let largeElementsLiteral = new Function(source);
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function TestLargeObjectElements() {
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// Corresponds to FixedArray::kMaxRegularLength.
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let object = largeElementsLiteral();
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%HeapObjectVerify(object);
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for (let i = 0; i < max; i++) {
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assertEquals(0, object[i]);
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}
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object[0] = 0xFF;
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assertEquals(0xFF, object[0]);
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object[1] = 1.23;
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assertEquals(1.23, object[1]);
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%HeapObjectVerify(object);
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}
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%PrepareFunctionForOptimization(TestLargeObjectElements);
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TestLargeObjectElements();
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TestLargeObjectElements();
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%OptimizeFunctionOnNextCall(TestLargeObjectElements);
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TestLargeObjectElements();
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