v8/test/mjsunit/measure-memory.js
Camillo Bruni a345a442d3 [d8][mjsunit][tools] Improve d8 file API
- Add d8.file.read() and d8.file.execute() helpers
- Change tools and tests to use new d8.file helper
- Unify error throwing in v8::Shell::ReadFile

Change-Id: I5ef4cb27f217508a367106f01e872a4059d5e399
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2928505
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Reviewed-by: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/master@{#74883}
2021-06-01 13:37:57 +00:00

60 lines
1.9 KiB
JavaScript

// Copyright 2019 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --expose-gc
d8.file.execute('test/mjsunit/mjsunit.js');
function assertLessThanOrEqual(a, b) {
assertTrue(a <= b, `Expected ${a} <= ${b}`);
}
function checkMeasureMemoryResultField(field) {
assertTrue('jsMemoryEstimate' in field);
assertTrue('jsMemoryRange' in field);
assertEquals('number', typeof field.jsMemoryEstimate);
assertEquals(2, field.jsMemoryRange.length);
assertEquals('number', typeof field.jsMemoryRange[0]);
assertEquals('number', typeof field.jsMemoryRange[1]);
assertLessThanOrEqual(field.jsMemoryRange[0],
field.jsMemoryRange[1]);
assertLessThanOrEqual(field.jsMemoryRange[0],
field.jsMemoryEstimate);
assertLessThanOrEqual(field.jsMemoryEstimate,
field.jsMemoryRange[1]);
}
function checkMeasureMemoryResult(result, detailed) {
assertTrue('total' in result);
checkMeasureMemoryResultField(result.total);
if (detailed) {
assertTrue('current' in result);
checkMeasureMemoryResultField(result.current);
assertTrue('other' in result);
for (let other of result.other) {
checkMeasureMemoryResultField(other);
}
}
}
if (this.performance && performance.measureMemory) {
assertPromiseResult((async () => {
let result = await performance.measureMemory();
checkMeasureMemoryResult(result, false);
})());
assertPromiseResult((async () => {
let result = await performance.measureMemory({detailed: false});
checkMeasureMemoryResult(result, false);
})());
assertPromiseResult((async () => {
let result = await performance.measureMemory({detailed: true});
print(JSON.stringify(result));
checkMeasureMemoryResult(result, true);
})());
// Force a GC to complete memory measurement.
gc();
}