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Diffstat (limited to 'js/src/tests/test262/language/statements/for-await-of/async-gen-decl-dstr-obj-prop-elem-init-fn-name-class.js')
-rw-r--r-- | js/src/tests/test262/language/statements/for-await-of/async-gen-decl-dstr-obj-prop-elem-init-fn-name-class.js | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-await-of/async-gen-decl-dstr-obj-prop-elem-init-fn-name-class.js b/js/src/tests/test262/language/statements/for-await-of/async-gen-decl-dstr-obj-prop-elem-init-fn-name-class.js new file mode 100644 index 0000000000..4f0fad13a4 --- /dev/null +++ b/js/src/tests/test262/language/statements/for-await-of/async-gen-decl-dstr-obj-prop-elem-init-fn-name-class.js @@ -0,0 +1,59 @@ +// |reftest| async +// This file was procedurally generated from the following sources: +// - src/dstr-assignment-for-await/obj-prop-elem-init-fn-name-class.case +// - src/dstr-assignment-for-await/default/async-gen-decl.template +/*--- +description: Assignment of function `name` attribute (ClassExpression) (for-await-of statement in an async generator declaration) +esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation +features: [class, destructuring-binding, async-iteration] +flags: [generated, async] +includes: [propertyHelper.js] +info: | + IterationStatement : + for await ( LeftHandSideExpression of AssignmentExpression ) Statement + + 1. Let keyResult be the result of performing ? ForIn/OfHeadEvaluation(« », + AssignmentExpression, iterate). + 2. Return ? ForIn/OfBodyEvaluation(LeftHandSideExpression, Statement, + keyResult, assignment, labelSet). + + 13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation + + [...] + 5. If destructuring is true and if lhsKind is assignment, then + a. Assert: lhs is a LeftHandSideExpression. + b. Let assignmentPattern be the parse of the source text corresponding to + lhs using AssignmentPattern as the goal symbol. + [...] + + AssignmentElement[Yield] : DestructuringAssignmentTarget Initializeropt + [...] 6. If Initializer is present and v is undefined and + IsAnonymousFunctionDefinition(Initializer) and IsIdentifierRef of + DestructuringAssignmentTarget are both true, then + a. Let hasNameProperty be ? HasOwnProperty(rhsValue, "name"). + b. If hasNameProperty is false, perform SetFunctionName(rhsValue, GetReferencedName(lref)). + +---*/ +let xCls, cls, xCls2; + +let iterCount = 0; +async function * fn() { + for await ({ x: xCls = class x {}, x: cls = class {}, x: xCls2 = class { static name() {} } } of [{}]) { + assert.notSameValue(xCls.name, 'xCls'); + assert.notSameValue(xCls2.name, 'xCls2'); + + verifyProperty(cls, 'name', { + enumerable: false, + writable: false, + configurable: true, + value: 'cls' + }); + iterCount += 1; + } +} + +let promise = fn().next(); + +promise + .then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE) + .then($DONE, $DONE); |