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Diffstat (limited to 'test/language/expressions/class/dstr-gen-meth-ary-ptrn-rest-id-exhausted.js')
-rw-r--r-- | test/language/expressions/class/dstr-gen-meth-ary-ptrn-rest-id-exhausted.js | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/test/language/expressions/class/dstr-gen-meth-ary-ptrn-rest-id-exhausted.js b/test/language/expressions/class/dstr-gen-meth-ary-ptrn-rest-id-exhausted.js new file mode 100644 index 000000000..feadaf999 --- /dev/null +++ b/test/language/expressions/class/dstr-gen-meth-ary-ptrn-rest-id-exhausted.js @@ -0,0 +1,86 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-id-exhausted.case +// - src/dstr-binding/default/cls-expr-gen-meth.template +/*--- +description: RestElement applied to an exhausted iterator (class expression method) +esid: sec-class-definitions-runtime-semantics-evaluation +es6id: 14.5.16 +features: [Symbol.iterator, destructuring-binding] +flags: [generated] +info: | + ClassExpression : class BindingIdentifieropt ClassTail + + 1. If BindingIdentifieropt is not present, let className be undefined. + 2. Else, let className be StringValue of BindingIdentifier. + 3. 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. + [...] + + 14.4.13 Runtime Semantics: PropertyDefinitionEvaluation + + GeneratorMethod : + * PropertyName ( StrictFormalParameters ) { GeneratorBody } + + 1. Let propKey be the result of evaluating PropertyName. + 2. ReturnIfAbrupt(propKey). + 3. If the function code for this GeneratorMethod 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 GeneratorFunctionCreate(Method, + StrictFormalParameters, 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. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + BindingRestElement : ... BindingIdentifier + 1. Let lhs be ResolveBinding(StringValue of BindingIdentifier, + environment). + 2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat, + [...] + b. If iteratorRecord.[[done]] is true, then + i. If environment is undefined, return PutValue(lhs, A). + ii. Return InitializeReferencedBinding(lhs, A). + +---*/ + +var callCount = 0; +var C = class { + *method([, , ...x]) { + assert(Array.isArray(x)); + assert.sameValue(x.length, 0); + callCount = callCount + 1; + } +}; + +new C().method([1, 2]).next(); +assert.sameValue(callCount, 1, 'method invoked exactly once'); |