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Diffstat (limited to 'js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-id-elision.js')
-rw-r--r-- | js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-id-elision.js | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-id-elision.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-id-elision.js new file mode 100644 index 0000000000..fed54ab1bf --- /dev/null +++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-rest-id-elision.js @@ -0,0 +1,71 @@ +// |reftest| async +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-id-elision.case +// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template +/*--- +description: Rest element following elision elements (static class expression async generator method) +esid: sec-runtime-semantics-bindingclassdeclarationevaluation +features: [async-iteration] +flags: [generated, async] +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 + b. Else, + Let status be the result of performing PropertyDefinitionEvaluation for + m with arguments F 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). + [...] + + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + ArrayBindingPattern : [ Elisionopt BindingRestElement ] + 1. If Elision is present, then + a. Let status be the result of performing + IteratorDestructuringAssignmentEvaluation of Elision with + iteratorRecord as the argument. + b. ReturnIfAbrupt(status). + 2. Return the result of performing IteratorBindingInitialization for + BindingRestElement with iteratorRecord and environment as arguments. +---*/ +var values = [1, 2, 3, 4, 5]; + + +var callCount = 0; +class C { + static async *method([ , , ...x]) { + assert(Array.isArray(x)); + assert.sameValue(x.length, 3); + assert.sameValue(x[0], 3); + assert.sameValue(x[1], 4); + assert.sameValue(x[2], 5); + assert.notSameValue(x, values); + callCount = callCount + 1; + } +}; + +C.method(values).next().then(() => { + assert.sameValue(callCount, 1, 'invoked exactly once'); +}).then($DONE, $DONE); |