diff options
Diffstat (limited to 'js/src/tests/test262/language/statements/for-of/dstr/var-obj-ptrn-rest-skip-non-enumerable.js')
-rw-r--r-- | js/src/tests/test262/language/statements/for-of/dstr/var-obj-ptrn-rest-skip-non-enumerable.js | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-of/dstr/var-obj-ptrn-rest-skip-non-enumerable.js b/js/src/tests/test262/language/statements/for-of/dstr/var-obj-ptrn-rest-skip-non-enumerable.js new file mode 100644 index 0000000000..27820d5b91 --- /dev/null +++ b/js/src/tests/test262/language/statements/for-of/dstr/var-obj-ptrn-rest-skip-non-enumerable.js @@ -0,0 +1,63 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-rest-skip-non-enumerable.case +// - src/dstr-binding/default/for-of-var.template +/*--- +description: Rest object doesn't contain non-enumerable properties (for-of statement) +esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation +features: [object-rest, destructuring-binding] +flags: [generated] +includes: [propertyHelper.js] +info: | + IterationStatement : + for ( var ForBinding of AssignmentExpression ) Statement + + [...] + 3. Return ForIn/OfBodyEvaluation(ForBinding, Statement, keyResult, + varBinding, labelSet). + + 13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation + + [...] + 3. Let destructuring be IsDestructuring of lhs. + [...] + 5. Repeat + [...] + h. If destructuring is false, then + [...] + i. 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 o = {a: 3, b: 4}; +Object.defineProperty(o, "x", { value: 4, enumerable: false }); + +var iterCount = 0; + +for (var {...rest} of [o]) { + assert.sameValue(rest.x, undefined); + + verifyProperty(rest, "a", { + enumerable: true, + writable: true, + configurable: true, + value: 3 + }); + + verifyProperty(rest, "b", { + enumerable: true, + writable: true, + configurable: true, + value: 4 + }); + + iterCount += 1; +} + +assert.sameValue(iterCount, 1, 'Iteration occurred as expected'); + +reportCompare(0, 0); |