mirror of https://github.com/tc39/test262.git
63 lines
2.0 KiB
JavaScript
63 lines
2.0 KiB
JavaScript
// This file was procedurally generated from the following sources:
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// - src/dstr-binding/obj-ptrn-list-err.case
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// - src/dstr-binding/error/for-await-of-async-func-const.template
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/*---
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description: Binding property list evaluation is interrupted by an abrupt completion (for-await-of statement)
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esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
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features: [destructuring-binding, async-iteration]
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flags: [generated, async]
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info: |
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IterationStatement :
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for await ( ForDeclaration of AssignmentExpression ) Statement
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[...]
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2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
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lexicalBinding, labelSet, async).
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13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation
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[...]
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4. Let destructuring be IsDestructuring of lhs.
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[...]
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6. Repeat
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[...]
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j. If destructuring is false, then
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[...]
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k. Else
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i. If lhsKind is assignment, then
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[...]
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ii. Else if lhsKind is varBinding, then
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[...]
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iii. Else,
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1. Assert: lhsKind is lexicalBinding.
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2. Assert: lhs is a ForDeclaration.
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3. Let status be the result of performing BindingInitialization
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for lhs passing nextValue and iterationEnv as arguments.
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[...]
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13.3.3.5 Runtime Semantics: BindingInitialization
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BindingPropertyList : BindingPropertyList , BindingProperty
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1. Let status be the result of performing BindingInitialization for
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BindingPropertyList using value and environment as arguments.
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2. ReturnIfAbrupt(status).
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---*/
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var initCount = 0;
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function thrower() {
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throw new Test262Error();
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}
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async function fn() {
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for await (const { a, b = thrower(), c = ++initCount } of [{}]) {
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return;
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}
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}
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fn()
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.then(_ => throw new Test262Error("Expected async function to reject, but resolved."), ({ constructor }) => assert.sameValue(constructor, Test262Error))
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.then($DONE, $DONE);
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assert.sameValue(initCount, 0);
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