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Diffstat (limited to 'js/src/tests/test262/language/expressions/async-generator/dstr/ary-ptrn-rest-ary-rest.js')
-rw-r--r-- | js/src/tests/test262/language/expressions/async-generator/dstr/ary-ptrn-rest-ary-rest.js | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/async-generator/dstr/ary-ptrn-rest-ary-rest.js b/js/src/tests/test262/language/expressions/async-generator/dstr/ary-ptrn-rest-ary-rest.js new file mode 100644 index 0000000000..9176882e76 --- /dev/null +++ b/js/src/tests/test262/language/expressions/async-generator/dstr/ary-ptrn-rest-ary-rest.js @@ -0,0 +1,51 @@ +// |reftest| async +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-ary-rest.case +// - src/dstr-binding/default/async-gen-func-expr.template +/*--- +description: Rest element containing a rest element (async generator function expression) +esid: sec-asyncgenerator-definitions-evaluation +features: [async-iteration] +flags: [generated, async] +info: | + AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) { + AsyncGeneratorBody } + + [...] + 3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters, + 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. + [...] +---*/ +var values = [1, 2, 3]; + + +var callCount = 0; +var f; +f = async function*([...[...x]]) { + assert(Array.isArray(x)); + assert.sameValue(x.length, 3); + assert.sameValue(x[0], 1); + assert.sameValue(x[1], 2); + assert.sameValue(x[2], 3); + assert.notSameValue(x, values); + + callCount = callCount + 1; +}; + +f(values).next().then(() => { + assert.sameValue(callCount, 1, 'invoked exactly once'); +}).then($DONE, $DONE); |