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Diffstat (limited to 'js/src/tests/test262/language/expressions/generators/dstr/dflt-obj-ptrn-prop-ary.js')
-rw-r--r-- | js/src/tests/test262/language/expressions/generators/dstr/dflt-obj-ptrn-prop-ary.js | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/generators/dstr/dflt-obj-ptrn-prop-ary.js b/js/src/tests/test262/language/expressions/generators/dstr/dflt-obj-ptrn-prop-ary.js new file mode 100644 index 0000000000..ee7adce8c6 --- /dev/null +++ b/js/src/tests/test262/language/expressions/generators/dstr/dflt-obj-ptrn-prop-ary.js @@ -0,0 +1,65 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-prop-ary.case +// - src/dstr-binding/default/gen-func-expr-dflt.template +/*--- +description: Object binding pattern with "nested" array binding pattern not using initializer (generator function expression (default parameter)) +esid: sec-generator-function-definitions-runtime-semantics-evaluation +features: [generators, destructuring-binding, default-parameters] +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 + + [...] + 3. If Initializer is present and v is undefined, then + [...] + 4. Return the result of performing BindingInitialization for BindingPattern + passing v and environment as arguments. +---*/ + +var callCount = 0; +var f; +f = function*({ w: [x, y, z] = [4, 5, 6] } = { w: [7, undefined, ] }) { + assert.sameValue(x, 7); + assert.sameValue(y, undefined); + assert.sameValue(z, undefined); + + assert.throws(ReferenceError, function() { + w; + }); + callCount = callCount + 1; +}; + +f().next(); +assert.sameValue(callCount, 1, 'generator function invoked exactly once'); + +reportCompare(0, 0); |