diff options
Diffstat (limited to 'js/src/tests/test262/language/statements/for-await-of/async-gen-dstr-var-obj-ptrn-rest-getter.js')
-rw-r--r-- | js/src/tests/test262/language/statements/for-await-of/async-gen-dstr-var-obj-ptrn-rest-getter.js | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-await-of/async-gen-dstr-var-obj-ptrn-rest-getter.js b/js/src/tests/test262/language/statements/for-await-of/async-gen-dstr-var-obj-ptrn-rest-getter.js new file mode 100644 index 0000000000..b92cba280e --- /dev/null +++ b/js/src/tests/test262/language/statements/for-await-of/async-gen-dstr-var-obj-ptrn-rest-getter.js @@ -0,0 +1,60 @@ +// |reftest| async +// This file was procedurally generated from the following sources: +// - src/dstr-binding-for-await/obj-ptrn-rest-getter.case +// - src/dstr-binding-for-await/default/for-await-of-async-gen-var.template +/*--- +description: Getter is called when obj is being deconstructed to a rest Object (for-await-of statement) +esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation +features: [object-rest, destructuring-binding, async-iteration] +flags: [generated, async] +includes: [propertyHelper.js] +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. + [...] +---*/ +var count = 0; + +var iterCount = 0; + +async function *fn() { + for await (var {...x} of [{ get v() { count++; return 2; } }]) { + assert.sameValue(x.v, 2); + assert.sameValue(count, 1); + + verifyProperty(x, "v", { + enumerable: true, + writable: true, + configurable: true, + value: 2 + }); + + iterCount += 1; + } +} + +fn().next() + .then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE) + .then($DONE, $DONE); + |