c7e84f5216
Bug: Change-Id: Iddb8dde328af42b99c74195a13975346437c7259 Reviewed-on: https://chromium-review.googlesource.com/700635 Reviewed-by: Ulan Degenbaev <ulan@chromium.org> Commit-Queue: Michael Achenbach <machenbach@chromium.org> Cr-Commit-Position: refs/heads/master@{#48310}
54 lines
1.1 KiB
JavaScript
54 lines
1.1 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 --no-always-opt
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// Flags: --no-stress-incremental-marking
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// Files: test/mjsunit/code-coverage-utils.js
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// Test precise code coverage.
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// Without precise coverage enabled, we lose coverage data to the GC.
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TestCoverage(
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"call an IIFE",
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`
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(function f() {})();
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`,
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undefined // The IIFE has been garbage-collected.
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);
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TestCoverage(
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"call locally allocated function",
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`
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for (var i = 0; i < 10; i++) {
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let f = () => 1;
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i += f();
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}
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`,
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undefined
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);
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// This does not happen with precise coverage enabled.
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%DebugTogglePreciseCoverage(true);
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TestCoverage(
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"call an IIFE",
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`
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(function f() {})();
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`,
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[{"start":0,"end":20,"count":1},{"start":1,"end":16,"count":1}]
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);
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TestCoverage(
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"call locally allocated function",
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`
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for (var i = 0; i < 10; i++) {
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let f = () => 1;
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i += f();
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}
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`,
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[{"start":0,"end":63,"count":1},{"start":41,"end":48,"count":5}]
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);
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%DebugTogglePreciseCoverage(false);
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