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a1d639ba5d
PR-URL: https://github.com/nodejs/node/pull/35415 Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Myles Borins <myles.borins@gmail.com>
39 lines
1.5 KiB
JavaScript
39 lines
1.5 KiB
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: --no-stress-incremental-marking
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let {session, contextGroup, Protocol} =
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InspectorTest.start('Tests that we don\'t hold promises.');
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(async function test() {
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Protocol.Runtime.enable();
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Protocol.Debugger.enable();
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Protocol.Debugger.setAsyncCallStackDepth({maxDepth: 128});
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Protocol.HeapProfiler.enable();
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// Force inspector internal scripts compilation.
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await Protocol.Runtime.evaluate({expression: ''});
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let snapshot = '';
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Protocol.HeapProfiler.onAddHeapSnapshotChunk(msg => snapshot += msg.params.chunk);
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await Protocol.HeapProfiler.collectGarbage();
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await Protocol.HeapProfiler.takeHeapSnapshot();
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let initial_node_count = JSON.parse(snapshot).snapshot.node_count;
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await Protocol.Runtime.evaluate({
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expression: `for (let i = 0; i < ${initial_node_count / 4}; ++i) Promise.resolve()`});
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snapshot = '';
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Protocol.HeapProfiler.onAddHeapSnapshotChunk(msg => snapshot += msg.params.chunk);
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await Protocol.HeapProfiler.collectGarbage();
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await Protocol.HeapProfiler.takeHeapSnapshot();
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let without_storing_node_count = JSON.parse(snapshot).snapshot.node_count;
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let diff_without_storing = (without_storing_node_count - initial_node_count);
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if (diff_without_storing < initial_node_count / 4) {
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InspectorTest.log('SUCCESS');
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} else {
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InspectorTest.log('FAILED: looks like all promises were not collected.');
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}
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InspectorTest.completeTest();
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})();
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