mirror of https://github.com/tc39/test262.git
46 lines
1.7 KiB
JavaScript
46 lines
1.7 KiB
JavaScript
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// 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 --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":4}, // TODO(jgruber): Invocation count is off.
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{"start":25,"end":32,"count":16},
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{"start":50,"end":76,"count":2}] // TODO(jgruber): Invocation count is off.
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);
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// This test is tricky: it requires a non-toplevel, optimized function.
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// After initial collection, counts are cleared. Further invocation_counts
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// are not collected for optimized functions, and on the next coverage
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// collection we and up with an uncovered function with an uncovered parent
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// but with non-trivial block coverage.
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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":0},
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{"start":121,"end":152,"count":1}]
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);
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%DebugToggleBlockCoverage(false);
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