mirror of
https://github.com/nodejs/node.git
synced 2025-05-15 21:20:35 +00:00
7b48713334
PR-URL: https://github.com/nodejs/node/pull/25852 Reviewed-By: Ujjwal Sharma <usharma1998@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>
54 lines
1.1 KiB
JavaScript
54 lines
1.1 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 --no-stress-flush-bytecode
|
|
// Flags: --no-stress-incremental-marking
|
|
// 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);
|