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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/test262/language/statements/async-generator/yield-star-async-return.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/test262/language/statements/async-generator/yield-star-async-return.js')
-rw-r--r-- | js/src/tests/test262/language/statements/async-generator/yield-star-async-return.js | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/async-generator/yield-star-async-return.js b/js/src/tests/test262/language/statements/async-generator/yield-star-async-return.js new file mode 100644 index 0000000000..9e2c42bae3 --- /dev/null +++ b/js/src/tests/test262/language/statements/async-generator/yield-star-async-return.js @@ -0,0 +1,235 @@ +// |reftest| async +// This file was procedurally generated from the following sources: +// - src/async-generators/yield-star-async-return.case +// - src/async-generators/default/async-declaration.template +/*--- +description: execution order for yield* with async iterator and return() (Async generator Function declaration) +esid: prod-AsyncGeneratorDeclaration +features: [async-iteration, Symbol.asyncIterator] +flags: [generated, async] +info: | + Async Generator Function Definitions + + AsyncGeneratorDeclaration: + async [no LineTerminator here] function * BindingIdentifier ( FormalParameters ) { + AsyncGeneratorBody } + + + YieldExpression: yield * AssignmentExpression + + ... + 6. Repeat + ... + c. Else, + i. Assert: received.[[Type]] is return. + ii. Let return be ? GetMethod(iterator, "return"). + iii. If return is undefined, return Completion(received). + iv. Let innerReturnResult be ? Call(return, iterator, « received.[[Value]] »). + v. If generatorKind is async, then set innerReturnResult to ? Await(innerReturnResult). + ... + vii. Let done be ? IteratorComplete(innerReturnResult). + viii. If done is true, then + 1. Let value be ? IteratorValue(innerReturnResult). + 2. If generatorKind is async, then set value to ? Await(value). + 3. Return Completion{[[Type]]: return, [[Value]]: value, [[Target]]: empty}. + ix. If generatorKind is async, then let received be AsyncGeneratorYield(? IteratorValue(innerResult)). + ... + + AsyncGeneratorYield ( value ) + ... + 8. Return ! AsyncGeneratorResolve(generator, value, false). + ... + +---*/ +var log = []; +var obj = { + [Symbol.asyncIterator]() { + var returnCount = 0; + return { + name: 'asyncIterator', + get next() { + log.push({ name: "get next" }); + return function() { + return { + value: "next-value-1", + done: false + }; + }; + }, + get return() { + log.push({ + name: "get return", + thisValue: this + }); + return function() { + log.push({ + name: "call return", + thisValue: this, + args: [...arguments] + }); + + returnCount++; + if (returnCount == 1) { + return { + name: "return-promise-1", + get then() { + log.push({ + name: "get return then (1)", + thisValue: this + }); + return function(resolve) { + log.push({ + name: "call return then (1)", + thisValue: this, + args: [...arguments] + }); + + resolve({ + name: "return-result-1", + get value() { + log.push({ + name: "get return value (1)", + thisValue: this + }); + return "return-value-1"; + }, + get done() { + log.push({ + name: "get return done (1)", + thisValue: this + }); + return false; + } + }); + }; + } + }; + } + + return { + name: "return-promise-2", + get then() { + log.push({ + name: "get return then (2)", + thisValue: this + }); + return function(resolve) { + log.push({ + name: "call return then (2)", + thisValue: this, + args: [...arguments] + }); + + resolve({ + name: "return-result-2", + get value() { + log.push({ + name: "get return value (2)", + thisValue: this + }); + return "return-value-2"; + }, + get done() { + log.push({ + name: "get return done (2)", + thisValue: this + }); + return true; + } + }); + }; + } + }; + }; + } + }; + } +}; + + + +var callCount = 0; + +async function *gen() { + callCount += 1; + log.push({ name: "before yield*" }); + yield* obj; + +} + +var iter = gen(); + +assert.sameValue(log.length, 0, "log.length"); + +iter.next().then(v => { + assert.sameValue(log[0].name, "before yield*"); + + assert.sameValue(log[1].name, "get next"); + + assert.sameValue(v.value, "next-value-1"); + assert.sameValue(v.done, false); + + assert.sameValue(log.length, 2, "log.length"); + + iter.return("return-arg-1").then(v => { + assert.sameValue(log[2].name, "get return"); + assert.sameValue(log[2].thisValue.name, "asyncIterator", "get return thisValue"); + + assert.sameValue(log[3].name, "call return"); + assert.sameValue(log[3].thisValue.name, "asyncIterator", "return thisValue"); + assert.sameValue(log[3].args.length, 1, "return args.length"); + assert.sameValue(log[3].args[0], "return-arg-1", "return args[0]"); + + assert.sameValue(log[4].name, "get return then (1)"); + assert.sameValue(log[4].thisValue.name, "return-promise-1", "get return then thisValue"); + + assert.sameValue(log[5].name, "call return then (1)"); + assert.sameValue(log[5].thisValue.name, "return-promise-1", "return then thisValue"); + assert.sameValue(log[5].args.length, 2, "return then args.length"); + assert.sameValue(typeof log[5].args[0], "function", "return then args[0]"); + assert.sameValue(typeof log[5].args[1], "function", "return then args[1]"); + + assert.sameValue(log[6].name, "get return done (1)"); + assert.sameValue(log[6].thisValue.name, "return-result-1", "get return done thisValue"); + + assert.sameValue(log[7].name, "get return value (1)"); + assert.sameValue(log[7].thisValue.name, "return-result-1", "get return value thisValue"); + + assert.sameValue(v.value, "return-value-1"); + assert.sameValue(v.done, false); + + assert.sameValue(log.length, 8, "log.length"); + + iter.return("return-arg-2").then(v => { + assert.sameValue(log[8].name, "get return"); + assert.sameValue(log[8].thisValue.name, "asyncIterator", "get return thisValue"); + + assert.sameValue(log[9].name, "call return"); + assert.sameValue(log[9].thisValue.name, "asyncIterator", "return thisValue"); + assert.sameValue(log[9].args.length, 1, "return args.length"); + assert.sameValue(log[9].args[0], "return-arg-2", "return args[0]"); + + assert.sameValue(log[10].name, "get return then (2)"); + assert.sameValue(log[10].thisValue.name, "return-promise-2", "get return then thisValue"); + + assert.sameValue(log[11].name, "call return then (2)"); + assert.sameValue(log[11].thisValue.name, "return-promise-2", "return then thisValue"); + assert.sameValue(log[11].args.length, 2, "return then args.length"); + assert.sameValue(typeof log[11].args[0], "function", "return then args[0]"); + assert.sameValue(typeof log[11].args[1], "function", "return then args[1]"); + + assert.sameValue(log[12].name, "get return done (2)"); + assert.sameValue(log[12].thisValue.name, "return-result-2", "get return done thisValue"); + + assert.sameValue(log[13].name, "get return value (2)"); + assert.sameValue(log[13].thisValue.name, "return-result-2", "get return value thisValue"); + + assert.sameValue(v.value, "return-value-2"); + assert.sameValue(v.done, true); + + assert.sameValue(log.length, 14, "log.length"); + }).then($DONE, $DONE); + }).catch($DONE); +}).catch($DONE); + +assert.sameValue(callCount, 1); |