diff options
Diffstat (limited to 'js/src/tests/test262/language/expressions/generators/dstr/dflt-obj-ptrn-rest-val-obj.js')
-rw-r--r-- | js/src/tests/test262/language/expressions/generators/dstr/dflt-obj-ptrn-rest-val-obj.js | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/generators/dstr/dflt-obj-ptrn-rest-val-obj.js b/js/src/tests/test262/language/expressions/generators/dstr/dflt-obj-ptrn-rest-val-obj.js new file mode 100644 index 0000000000..5b24c2735a --- /dev/null +++ b/js/src/tests/test262/language/expressions/generators/dstr/dflt-obj-ptrn-rest-val-obj.js @@ -0,0 +1,67 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-rest-val-obj.case +// - src/dstr-binding/default/gen-func-expr-dflt.template +/*--- +description: Rest object contains just unextracted data (generator function expression (default parameter)) +esid: sec-generator-function-definitions-runtime-semantics-evaluation +features: [object-rest, generators, destructuring-binding, default-parameters] +flags: [generated] +includes: [propertyHelper.js] +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. + [...] +---*/ + +var callCount = 0; +var f; +f = function*({a, b, ...rest} = {x: 1, y: 2, a: 5, b: 3}) { + assert.sameValue(rest.a, undefined); + assert.sameValue(rest.b, undefined); + + verifyProperty(rest, "x", { + enumerable: true, + writable: true, + configurable: true, + value: 1 + }); + + verifyProperty(rest, "y", { + enumerable: true, + writable: true, + configurable: true, + value: 2 + }); + callCount = callCount + 1; +}; + +f().next(); +assert.sameValue(callCount, 1, 'generator function invoked exactly once'); + +reportCompare(0, 0); |