diff options
Diffstat (limited to 'js/src/tests/test262/language/statements/for-await-of/async-func-dstr-const-obj-ptrn-prop-ary.js')
-rw-r--r-- | js/src/tests/test262/language/statements/for-await-of/async-func-dstr-const-obj-ptrn-prop-ary.js | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-await-of/async-func-dstr-const-obj-ptrn-prop-ary.js b/js/src/tests/test262/language/statements/for-await-of/async-func-dstr-const-obj-ptrn-prop-ary.js new file mode 100644 index 0000000000..fc8736f248 --- /dev/null +++ b/js/src/tests/test262/language/statements/for-await-of/async-func-dstr-const-obj-ptrn-prop-ary.js @@ -0,0 +1,66 @@ +// |reftest| async +// This file was procedurally generated from the following sources: +// - src/dstr-binding-for-await/obj-ptrn-prop-ary.case +// - src/dstr-binding-for-await/default/for-await-of-async-func-const.template +/*--- +description: Object binding pattern with "nested" array binding pattern not using initializer (for-await-of statement) +esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation +features: [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. + [...] + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + [...] + 3. If Initializer is present and v is undefined, then + [...] + 4. Return the result of performing BindingInitialization for BindingPattern + passing v and environment as arguments. +---*/ + +var iterCount = 0; + +async function fn() { + for await (const { w: [x, y, z] = [4, 5, 6] } of [{ w: [7, undefined, ] }]) { + assert.sameValue(x, 7); + assert.sameValue(y, undefined); + assert.sameValue(z, undefined); + + assert.throws(ReferenceError, function() { + w; + }); + + iterCount += 1; + } +} + +fn() + .then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE) + .then($DONE, $DONE); |