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50930a0fa0
PR-URL: https://github.com/nodejs/node/pull/39469 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
60 lines
1.9 KiB
JavaScript
60 lines
1.9 KiB
JavaScript
// Copyright 2019 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: --expose-gc
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d8.file.execute('test/mjsunit/mjsunit.js');
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function assertLessThanOrEqual(a, b) {
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assertTrue(a <= b, `Expected ${a} <= ${b}`);
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}
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function checkMeasureMemoryResultField(field) {
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assertTrue('jsMemoryEstimate' in field);
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assertTrue('jsMemoryRange' in field);
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assertEquals('number', typeof field.jsMemoryEstimate);
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assertEquals(2, field.jsMemoryRange.length);
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assertEquals('number', typeof field.jsMemoryRange[0]);
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assertEquals('number', typeof field.jsMemoryRange[1]);
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assertLessThanOrEqual(field.jsMemoryRange[0],
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field.jsMemoryRange[1]);
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assertLessThanOrEqual(field.jsMemoryRange[0],
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field.jsMemoryEstimate);
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assertLessThanOrEqual(field.jsMemoryEstimate,
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field.jsMemoryRange[1]);
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}
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function checkMeasureMemoryResult(result, detailed) {
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assertTrue('total' in result);
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checkMeasureMemoryResultField(result.total);
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if (detailed) {
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assertTrue('current' in result);
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checkMeasureMemoryResultField(result.current);
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assertTrue('other' in result);
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for (let other of result.other) {
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checkMeasureMemoryResultField(other);
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}
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}
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}
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if (this.performance && performance.measureMemory) {
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assertPromiseResult((async () => {
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let result = await performance.measureMemory();
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checkMeasureMemoryResult(result, false);
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})());
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assertPromiseResult((async () => {
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let result = await performance.measureMemory({detailed: false});
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checkMeasureMemoryResult(result, false);
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})());
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assertPromiseResult((async () => {
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let result = await performance.measureMemory({detailed: true});
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print(JSON.stringify(result));
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checkMeasureMemoryResult(result, true);
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})());
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// Force a GC to complete memory measurement.
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gc();
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}
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