diff options
Diffstat (limited to 'js/src/tests/test262/language/expressions/async-generator/dstr/dflt-obj-ptrn-empty.js')
-rw-r--r-- | js/src/tests/test262/language/expressions/async-generator/dstr/dflt-obj-ptrn-empty.js | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/async-generator/dstr/dflt-obj-ptrn-empty.js b/js/src/tests/test262/language/expressions/async-generator/dstr/dflt-obj-ptrn-empty.js new file mode 100644 index 0000000000..e8bb916fdc --- /dev/null +++ b/js/src/tests/test262/language/expressions/async-generator/dstr/dflt-obj-ptrn-empty.js @@ -0,0 +1,43 @@ +// |reftest| async +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-empty.case +// - src/dstr-binding/default/async-gen-func-expr-dflt.template +/*--- +description: No property access occurs for an "empty" object binding pattern (async generator function expression (default parameter)) +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). + [...] + + + Runtime Semantics: BindingInitialization + + ObjectBindingPattern : { } + + 1. Return NormalCompletion(empty). +---*/ +var accessCount = 0; +var obj = Object.defineProperty({}, 'attr', { + get: function() { + accessCount += 1; + } +}); + + +var callCount = 0; +var f; +f = async function*({} = obj) { + assert.sameValue(accessCount, 0); + callCount = callCount + 1; +}; + +f().next().then(() => { + assert.sameValue(callCount, 1, 'invoked exactly once'); +}).then($DONE, $DONE); |