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Diffstat (limited to 'js/src/tests/test262/language/statements/class/async-gen-method/dflt-params-ref-self.js')
-rw-r--r-- | js/src/tests/test262/language/statements/class/async-gen-method/dflt-params-ref-self.js | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/dflt-params-ref-self.js b/js/src/tests/test262/language/statements/class/async-gen-method/dflt-params-ref-self.js new file mode 100644 index 0000000000..233d3c84b0 --- /dev/null +++ b/js/src/tests/test262/language/statements/class/async-gen-method/dflt-params-ref-self.js @@ -0,0 +1,68 @@ +// This file was procedurally generated from the following sources: +// - src/function-forms/dflt-params-ref-self.case +// - src/function-forms/error/cls-decl-async-gen-meth.template +/*--- +description: Referencing a parameter from within its own initializer (class expression method) +esid: sec-class-definitions-runtime-semantics-evaluation +features: [default-parameters, async-iteration] +flags: [generated] +info: | + ClassDeclaration : class BindingIdentifier ClassTail + + 1. Let className be StringValue of BindingIdentifier. + 2. Let value be the result of ClassDefinitionEvaluation of ClassTail with + argument className. + [...] + + 14.5.14 Runtime Semantics: ClassDefinitionEvaluation + + 21. For each ClassElement m in order from methods + a. If IsStatic of m is false, then + i. Let status be the result of performing + PropertyDefinitionEvaluation for m with arguments proto and + false. + [...] + + Runtime Semantics: PropertyDefinitionEvaluation + + AsyncGeneratorMethod : + async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) + { AsyncGeneratorBody } + + 1. Let propKey be the result of evaluating PropertyName. + 2. ReturnIfAbrupt(propKey). + 3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true. + Otherwise let strict be false. + 4. Let scope be the running execution context's LexicalEnvironment. + 5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters, + AsyncGeneratorBody, scope, strict). + [...] + + + 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; +class C { + async *method(x = x) { + + callCount = callCount + 1; + } +} + +assert.throws(ReferenceError, function() { + C.prototype.method(); +}); +assert.sameValue(callCount, 0, 'method body not evaluated'); + +reportCompare(0, 0); |