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Diffstat (limited to 'js/src/tests/test262/language/statements/for-await-of/async-func-dstr-const-ary-ptrn-rest-id-iter-step-err.js')
-rw-r--r-- | js/src/tests/test262/language/statements/for-await-of/async-func-dstr-const-ary-ptrn-rest-id-iter-step-err.js | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-await-of/async-func-dstr-const-ary-ptrn-rest-id-iter-step-err.js b/js/src/tests/test262/language/statements/for-await-of/async-func-dstr-const-ary-ptrn-rest-id-iter-step-err.js new file mode 100644 index 0000000000..af1d3314fe --- /dev/null +++ b/js/src/tests/test262/language/statements/for-await-of/async-func-dstr-const-ary-ptrn-rest-id-iter-step-err.js @@ -0,0 +1,73 @@ +// |reftest| async +// This file was procedurally generated from the following sources: +// - src/dstr-binding-for-await/ary-ptrn-rest-id-iter-step-err.case +// - src/dstr-binding-for-await/error/for-await-of-async-func-const.template +/*--- +description: Error forwarding when IteratorStep returns an abrupt completion (for-await-of statement) +esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation +features: [generators, destructuring-binding, async-iteration] +flags: [generated, async] +info: | + IterationStatement : + for await ( ForDeclaration of AssignmentExpression ) Statement + + [...] + 2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult, + lexicalBinding, 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 + [...] + iii. Else, + 1. Assert: lhsKind is lexicalBinding. + 2. Assert: lhs is a ForDeclaration. + 3. Let status be the result of performing BindingInitialization + for lhs passing nextValue and iterationEnv 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, + a. If iteratorRecord.[[done]] is false, + i. Let next be IteratorStep(iteratorRecord.[[iterator]]). + ii. If next is an abrupt completion, set iteratorRecord.[[done]] to + true. + iii. ReturnIfAbrupt(next). + +---*/ +var first = 0; +var second = 0; +var iter = function*() { + first += 1; + throw new Test262Error(); + second += 1; +}(); + +async function fn() { + for await (const [...x] of [iter]) { + return; + } +} + +fn() + .then(_ => { + throw new Test262Error("Expected async function to reject, but resolved."); + }, ({ constructor }) => { + assert.sameValue(constructor, Test262Error); + + }) + .then($DONE, $DONE); + |