49898aad76
It was shipped in Chrome 63. Bug: v8:5855 Cq-Include-Trybots: luci.v8.try:v8_linux_noi18n_rel_ng Change-Id: Icc00b8300622d1c7b5662be8ac5e425b9781f666 Reviewed-on: https://chromium-review.googlesource.com/858381 Commit-Queue: Adam Klein <adamk@chromium.org> Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org> Cr-Commit-Position: refs/heads/master@{#50558}
44 lines
1.4 KiB
JavaScript
44 lines
1.4 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-opt
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// Files: test/mjsunit/code-coverage-utils.js
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%DebugToggleBlockCoverage(true);
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TestCoverage(
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"optimized and inlined functions",
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`
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function g() { if (true) nop(); } // 0000
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function f() { g(); g(); } // 0050
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f(); f(); %OptimizeFunctionOnNextCall(f); // 0100
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f(); f(); f(); f(); f(); f(); // 0150
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`,
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[{"start":0,"end":199,"count":1},
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{"start":0,"end":33,"count":16},
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{"start":50,"end":76,"count":8}]
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);
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// In contrast to the corresponding test in -opt.js, f is not optimized here
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// and therefore reports its invocation count correctly.
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TestCoverage("Partial coverage collection",
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`
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!function() { // 0000
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function f(x) { // 0050
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if (x) { nop(); } else { nop(); } // 0100
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} // 0150
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f(true); f(true); // 0200
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%OptimizeFunctionOnNextCall(f); // 0250
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%DebugCollectCoverage(); // 0300
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f(false); // 0350
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}(); // 0400
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`,
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[{"start":52,"end":153,"count":1},
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{"start":111,"end":121,"count":0}]
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);
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%DebugToggleBlockCoverage(false);
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