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Diffstat (limited to 'test/language/expressions/generators/dstr-obj-ptrn-prop-id.js')
-rw-r--r-- | test/language/expressions/generators/dstr-obj-ptrn-prop-id.js | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/test/language/expressions/generators/dstr-obj-ptrn-prop-id.js b/test/language/expressions/generators/dstr-obj-ptrn-prop-id.js new file mode 100644 index 000000000..5668f147c --- /dev/null +++ b/test/language/expressions/generators/dstr-obj-ptrn-prop-id.js @@ -0,0 +1,60 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-id.case +// - src/dstr-binding/default/gen-func-expr.template +/*--- +description: Binding as specified via property name and identifier (generator function expression) +esid: sec-generator-function-definitions-runtime-semantics-evaluation +es6id: 14.4.14 +features: [destructuring-binding] +flags: [generated] +info: | + GeneratorExpression : function * ( FormalParameters ) { GeneratorBody } + + [...] + 3. Let closure be GeneratorFunctionCreate(Normal, FormalParameters, + GeneratorBody, scope, strict). + [...] + + 9.2.1 [[Call]] ( thisArgument, argumentsList) + + [...] + 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). + [...] + + 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) + + 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). + [...] + + 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) + + [...] + 23. Let iteratorRecord be Record {[[iterator]]: + CreateListIterator(argumentsList), [[done]]: false}. + 24. If hasDuplicates is true, then + [...] + 25. Else, + b. Let formalStatus be IteratorBindingInitialization for formals with + iteratorRecord and env as arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 8. Return InitializeReferencedBinding(lhs, v). +---*/ + +var callCount = 0; +var f; +f = function*({ x: y }) { + assert.sameValue(y, 23); + assert.throws(ReferenceError, function() { + x; + }); + callCount = callCount + 1; +}; + +f({ x: 23 }).next(); +assert.sameValue(callCount, 1, 'generator function invoked exactly once'); |