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Diffstat (limited to 'js/src/tests/test262/language/statements/generators/dflt-params-ref-later.js')
-rw-r--r-- | js/src/tests/test262/language/statements/generators/dflt-params-ref-later.js | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/generators/dflt-params-ref-later.js b/js/src/tests/test262/language/statements/generators/dflt-params-ref-later.js new file mode 100644 index 0000000000..d56330f90e --- /dev/null +++ b/js/src/tests/test262/language/statements/generators/dflt-params-ref-later.js @@ -0,0 +1,66 @@ +// This file was procedurally generated from the following sources: +// - src/function-forms/dflt-params-ref-later.case +// - src/function-forms/error/gen-func-decl.template +/*--- +description: Referencing a parameter that occurs later in the ParameterList (generator function declaration) +esid: sec-generator-function-definitions-runtime-semantics-instantiatefunctionobject +features: [default-parameters, generators] +flags: [generated] +info: | + GeneratorDeclaration : function * ( FormalParameters ) { GeneratorBody } + + [...] + 2. Let F 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. + [...] + + + 14.1.19 Runtime Semantics: IteratorBindingInitialization + + FormalsList : FormalsList , FormalParameter + + 1. Let status be the result of performing IteratorBindingInitialization for + FormalsList using iteratorRecord and environment as the arguments. + 2. ReturnIfAbrupt(status). + 3. Return the result of performing IteratorBindingInitialization for + FormalParameter using iteratorRecord and environment as the arguments. + +---*/ +var x = 0; + +var callCount = 0; +function* f(x = y, y) { + + callCount = callCount + 1; +} + +assert.throws(ReferenceError, function() { + f(); +}); + +assert.sameValue(callCount, 0, 'generator function body not evaluated'); + +reportCompare(0, 0); |