45b4522e40
This is in preparation to the removal of the FullCodeGenerator, we no longer need the ability to stress the underlying implementation. R=rmcilroy@chromium.org BUG=v8:6409 Cq-Include-Trybots: master.tryserver.v8:v8_linux_noi18n_rel_ng Change-Id: Iad3177d6de4a68b57c12a770b6e85ed7a9710254 Reviewed-on: https://chromium-review.googlesource.com/584747 Reviewed-by: Ross McIlroy <rmcilroy@chromium.org> Commit-Queue: Michael Starzinger <mstarzinger@chromium.org> Cr-Commit-Position: refs/heads/master@{#47276}
53 lines
1.0 KiB
JavaScript
53 lines
1.0 KiB
JavaScript
// Copyright 2017 the V8 project authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
// Flags: --allow-natives-syntax --no-always-opt
|
|
// Files: test/mjsunit/code-coverage-utils.js
|
|
|
|
// Test precise code coverage.
|
|
|
|
// Without precise coverage enabled, we lose coverage data to the GC.
|
|
TestCoverage(
|
|
"call an IIFE",
|
|
`
|
|
(function f() {})();
|
|
`,
|
|
undefined // The IIFE has been garbage-collected.
|
|
);
|
|
|
|
TestCoverage(
|
|
"call locally allocated function",
|
|
`
|
|
for (var i = 0; i < 10; i++) {
|
|
let f = () => 1;
|
|
i += f();
|
|
}
|
|
`,
|
|
undefined
|
|
);
|
|
|
|
// This does not happen with precise coverage enabled.
|
|
%DebugTogglePreciseCoverage(true);
|
|
|
|
TestCoverage(
|
|
"call an IIFE",
|
|
`
|
|
(function f() {})();
|
|
`,
|
|
[{"start":0,"end":20,"count":1},{"start":1,"end":16,"count":1}]
|
|
);
|
|
|
|
TestCoverage(
|
|
"call locally allocated function",
|
|
`
|
|
for (var i = 0; i < 10; i++) {
|
|
let f = () => 1;
|
|
i += f();
|
|
}
|
|
`,
|
|
[{"start":0,"end":63,"count":1},{"start":41,"end":48,"count":5}]
|
|
);
|
|
|
|
%DebugTogglePreciseCoverage(false);
|