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Diffstat (limited to 'js/src/tests/test262/language/expressions/object/dstr/async-gen-meth-dflt-ary-ptrn-rest-ary-elem.js')
-rw-r--r-- | js/src/tests/test262/language/expressions/object/dstr/async-gen-meth-dflt-ary-ptrn-rest-ary-elem.js | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/object/dstr/async-gen-meth-dflt-ary-ptrn-rest-ary-elem.js b/js/src/tests/test262/language/expressions/object/dstr/async-gen-meth-dflt-ary-ptrn-rest-ary-elem.js new file mode 100644 index 0000000000..20d56cb4b9 --- /dev/null +++ b/js/src/tests/test262/language/expressions/object/dstr/async-gen-meth-dflt-ary-ptrn-rest-ary-elem.js @@ -0,0 +1,72 @@ +// |reftest| async +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-ary-elem.case +// - src/dstr-binding/default/async-gen-method-dflt.template +/*--- +description: Rest element containing an array BindingElementList pattern (async generator method (default parameter)) +esid: sec-asyncgenerator-definitions-propertydefinitionevaluation +features: [async-iteration] +flags: [generated, async] +info: | + AsyncGeneratorMethod : + async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) + { AsyncGeneratorBody } + + 1. Let propKey be the result of evaluating PropertyName. + 2. ReturnIfAbrupt(propKey). + 3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true. + Otherwise let strict be false. + 4. Let scope be the running execution context's LexicalEnvironment. + 5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters, + AsyncGeneratorBody, scope, strict). + [...] + + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingRestElement : ... BindingPattern + + 1. Let A be ArrayCreate(0). + [...] + 3. Repeat + [...] + b. If iteratorRecord.[[done]] is true, then + i. Return the result of performing BindingInitialization of + BindingPattern with A and environment as the arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 4. If iteratorRecord.[[done]] is false, then + a. Let next be IteratorStep(iteratorRecord.[[iterator]]). + b. If next is an abrupt completion, set iteratorRecord.[[done]] to true. + c. ReturnIfAbrupt(next). + d. If next is false, set iteratorRecord.[[done]] to true. + e. Else, + [...] + i. Let v be IteratorValue(next). + ii. If v is an abrupt completion, set + iteratorRecord.[[done]] to true. + iii. ReturnIfAbrupt(v). + 5. If iteratorRecord.[[done]] is true, let v be undefined. + [...] + 8. Return InitializeReferencedBinding(lhs, v). +---*/ + + +var callCount = 0; +var obj = { + async *method([...[x, y, z]] = [3, 4, 5]) { + assert.sameValue(x, 3); + assert.sameValue(y, 4); + assert.sameValue(z, 5); + callCount = callCount + 1; + } +}; + +obj.method().next().then(() => { + assert.sameValue(callCount, 1, 'invoked exactly once'); +}).then($DONE, $DONE); |