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Diffstat (limited to 'js/src/tests/test262/language/statements/for-await-of/async-gen-dstr-var-obj-ptrn-id-init-fn-name-class.js')
-rw-r--r-- | js/src/tests/test262/language/statements/for-await-of/async-gen-dstr-var-obj-ptrn-id-init-fn-name-class.js | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-await-of/async-gen-dstr-var-obj-ptrn-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/for-await-of/async-gen-dstr-var-obj-ptrn-id-init-fn-name-class.js new file mode 100644 index 0000000000..8c28f06c3b --- /dev/null +++ b/js/src/tests/test262/language/statements/for-await-of/async-gen-dstr-var-obj-ptrn-id-init-fn-name-class.js @@ -0,0 +1,65 @@ +// |reftest| async +// This file was procedurally generated from the following sources: +// - src/dstr-binding-for-await/obj-ptrn-id-init-fn-name-class.case +// - src/dstr-binding-for-await/default/for-await-of-async-gen-var.template +/*--- +description: SingleNameBinding assigns `name` to "anonymous" classes (for-await-of statement) +esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation +features: [destructuring-binding, async-iteration] +flags: [generated, async] +info: | + IterationStatement : + for await ( var ForBinding of AssignmentExpression ) Statement + + [...] + 2. Return ? ForIn/OfBodyEvaluation(ForBinding, Statement, keyResult, + varBinding, labelSet, async). + + 13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation + + [...] + 4. Let destructuring be IsDestructuring of lhs. + [...] + 6. Repeat + [...] + j. If destructuring is false, then + [...] + k. Else + i. If lhsKind is assignment, then + [...] + ii. Else if lhsKind is varBinding, then + 1. Assert: lhs is a ForBinding. + 2. Let status be the result of performing BindingInitialization + for lhs passing nextValue and undefined as the arguments. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + SingleNameBinding : BindingIdentifier Initializer_opt + + [...] + 6. If Initializer is present and v is undefined, then + [...] + d. If IsAnonymousFunctionDefinition(Initializer) is true, then + i. Let hasNameProperty be HasOwnProperty(v, "name"). + ii. ReturnIfAbrupt(hasNameProperty). + iii. If hasNameProperty is false, perform SetFunctionName(v, + bindingId). +---*/ + +var iterCount = 0; + +async function *fn() { + for await (var { cls = class {}, xCls = class X {}, xCls2 = class { static name() {} } } of [{}]) { + assert.sameValue(cls.name, 'cls'); + assert.notSameValue(xCls.name, 'xCls'); + assert.notSameValue(xCls2.name, 'xCls2'); + + iterCount += 1; + } +} + +fn().next() + .then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE) + .then($DONE, $DONE); + |