node/deps/v8/test/mjsunit/code-coverage-block-async.js
Michaël Zasso 6ca81ad72a
deps: update V8 to 7.9.317.20
PR-URL: https://github.com/nodejs/node/pull/30020
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
2019-11-08 15:46:25 +01:00

123 lines
4.1 KiB
JavaScript

// 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);