dc7abf3e21
The yield* statement when used in combination with async iterators is not supported yet, as that is desugared into a more complex construct that doesn't offer a good dedicated bytecode to attach the source range information yet. Note that invocation counts of generator functions are incorrect as they count each resumption as an individual call. See https://crbug.com/v8/6594. Bug: v8:6000 Change-Id: I7ac7073473c9b64bb207cdbc4dab083ec1145656 Reviewed-on: https://chromium-review.googlesource.com/582690 Commit-Queue: Jakob Gruber <jgruber@chromium.org> Reviewed-by: Ross McIlroy <rmcilroy@chromium.org> Reviewed-by: Georg Neis <neis@chromium.org> Cr-Commit-Position: refs/heads/master@{#46890}
50 lines
1.3 KiB
JavaScript
50 lines
1.3 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: --allow-natives-syntax
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let TestCoverage;
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let TestCoverageNoGC;
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let nop;
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let gen;
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!function() {
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function GetCoverage(source) {
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for (var script of %DebugCollectCoverage()) {
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if (script.script.source == source) return script;
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}
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return undefined;
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};
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function TestCoverageInternal(name, source, expectation, collect_garbage) {
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source = source.trim();
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eval(source);
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if (collect_garbage) %CollectGarbage("collect dead objects");
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var covfefe = GetCoverage(source);
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var stringified_result = JSON.stringify(covfefe);
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var stringified_expectation = JSON.stringify(expectation);
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if (stringified_result != stringified_expectation) {
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print(stringified_result.replace(/[}],[{]/g, "},\n {"));
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}
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assertEquals(stringified_expectation, stringified_result, name + " failed");
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};
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TestCoverage = function(name, source, expectation) {
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TestCoverageInternal(name, source, expectation, true);
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};
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TestCoverageNoGC = function(name, source, expectation) {
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TestCoverageInternal(name, source, expectation, false);
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};
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nop = function() {};
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gen = function*() {
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yield 1;
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yield 2;
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yield 3;
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};
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}();
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