diff options
Diffstat (limited to 'js/src/tests/test262/language/statements/for-await-of/async-func-decl-dstr-array-elem-init-assignment.js')
-rw-r--r-- | js/src/tests/test262/language/statements/for-await-of/async-func-decl-dstr-array-elem-init-assignment.js | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-await-of/async-func-decl-dstr-array-elem-init-assignment.js b/js/src/tests/test262/language/statements/for-await-of/async-func-decl-dstr-array-elem-init-assignment.js new file mode 100644 index 0000000000..d9f6199e3f --- /dev/null +++ b/js/src/tests/test262/language/statements/for-await-of/async-func-decl-dstr-array-elem-init-assignment.js @@ -0,0 +1,48 @@ +// |reftest| async +// This file was procedurally generated from the following sources: +// - src/dstr-assignment-for-await/array-elem-init-assignment.case +// - src/dstr-assignment-for-await/default/async-func-decl.template +/*--- +description: If the Initializer is present and v is undefined, the Initializer should be evaluated and the result assigned to the target reference. (for-await-of statement in an async function declaration) +esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation +features: [destructuring-binding, async-iteration] +flags: [generated, async] +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. + [...] +---*/ +let v2, vNull, vHole, vUndefined, vOob; + +let iterCount = 0; +async function fn() { + for await ([v2 = 10, vNull = 11, vHole = 12, vUndefined = 13, vOob = 14] of [[2, null, , undefined]]) { + assert.sameValue(v2, 2); + assert.sameValue(vNull, null); + assert.sameValue(vHole, 12); + assert.sameValue(vUndefined, 13); + assert.sameValue(vOob, 14); + + + iterCount += 1; + } +} + +let promise = fn(); + +promise + .then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE) + .then($DONE, $DONE); |