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Diffstat (limited to 'deps/v8/test/mjsunit/code-coverage-block-async.js')
| -rw-r--r-- | deps/v8/test/mjsunit/code-coverage-block-async.js | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/code-coverage-block-async.js b/deps/v8/test/mjsunit/code-coverage-block-async.js new file mode 100644 index 0000000000..111be213b6 --- /dev/null +++ b/deps/v8/test/mjsunit/code-coverage-block-async.js @@ -0,0 +1,122 @@ +// Copyright 2019 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 + +%DebugToggleBlockCoverage(true); + +TestCoverage( +"await expressions", +` +async function f() { // 0000 + await 42; // 0050 + await 42; // 0100 +}; // 0150 +f(); // 0200 +%PerformMicrotaskCheckpoint(); // 0250 +`, +[{"start":0,"end":299,"count":1}, + {"start":0,"end":151,"count":1}] +); + +TestCoverage( +"for-await-of statements", +` +!async function() { // 0000 + for await (var x of [0,1,2,3]) { // 0050 + nop(); // 0100 + } // 0150 +}(); // 0200 +%PerformMicrotaskCheckpoint(); // 0250 +`, +[{"start":0,"end":299,"count":1}, + {"start":1,"end":201,"count":1}, + {"start":83,"end":153,"count":4}] +); + +TestCoverage( +"https://crbug.com/981313", +` +class Foo { // 0000 + async timeout() { // 0000 + return new Promise( // 0100 + (r) => setTimeout(r, 10)); // 0000 + } // 0200 +} // 0000 +new Foo().timeout(); // 0300 +`, +[ {"start":0, "end":349, "count":1}, + {"start":52, "end":203, "count":1}, + {"start":158,"end":182, "count":1}]); + +TestCoverage( + "test async generator coverage", +` +class Foo { // 0000 + async *timeout() { // 0000 + return new Promise( // 0100 + (r) => setTimeout(r, 10)); // 0000 + } // 0200 +} // 0000 +new Foo().timeout(); // 0300 +`, + [ {"start":0, "end":349, "count":1}, + {"start":52, "end":203, "count":1}, + {"start":158,"end":182, "count":0}]); + +TestCoverage( + "test async generator coverage with next call", +` +class Foo { // 0000 + async *timeout() { // 0000 + return new Promise( // 0100 + (r) => setTimeout(r, 10)); // 0000 + } // 0200 +} // 0000 +new Foo().timeout().next(); // 0300 +`, + [ {"start":0, "end":349, "count":1}, + {"start":52, "end":203, "count":1}, + {"start":158,"end":182, "count":1}]); + +TestCoverage( + "test two consecutive returns", +` +class Foo { // 0000 + timeout() { // 0000 + return new Promise( // 0100 + (r) => setTimeout(r, 10)); // 0000 + return new Promise( // 0200 + (r) => setTimeout(r, 10)); // 0000 + } // 0300 +} // 0000 +new Foo().timeout(); // 0400 +`, +[ {"start":0,"end":449,"count":1}, + {"start":52,"end":303,"count":1}, + {"start":184,"end":302,"count":0}, + {"start":158,"end":182,"count":1}] ); + + +TestCoverage( + "test async generator with two consecutive returns", +` +class Foo { // 0000 + async *timeout() { // 0000 + return new Promise( // 0100 + (r) => setTimeout(r, 10)); // 0000 + return new Promise( // 0200 + (r) => setTimeout(r, 10)); // 0000 + } // 0300 +} // 0000 +new Foo().timeout().next(); // 0400 +`, +[ {"start":0,"end":449,"count":1}, + {"start":52,"end":303,"count":1}, + {"start":184,"end":302,"count":0}, + {"start":158,"end":182,"count":1}] ); + +%DebugToggleBlockCoverage(false); |