diff options
Diffstat (limited to 'js/src/tests/test262/language/statements/for-of/dstr/obj-rest-order.js')
-rw-r--r-- | js/src/tests/test262/language/statements/for-of/dstr/obj-rest-order.js | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-of/dstr/obj-rest-order.js b/js/src/tests/test262/language/statements/for-of/dstr/obj-rest-order.js new file mode 100644 index 0000000000..8b6767c502 --- /dev/null +++ b/js/src/tests/test262/language/statements/for-of/dstr/obj-rest-order.js @@ -0,0 +1,44 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-assignment/obj-rest-order.case +// - src/dstr-assignment/default/for-of.template +/*--- +description: Rest operation follows [[OwnPropertyKeys]] order (For..of statement) +esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation +features: [Symbol, object-rest, destructuring-binding] +flags: [generated] +includes: [compareArray.js] +info: | + IterationStatement : + for ( 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 + + [...] + 4. 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. + [...] +---*/ +var rest; +var calls = []; +var o = { get z() { calls.push('z') }, get a() { calls.push('a') } }; +Object.defineProperty(o, 1, { get: () => { calls.push(1) }, enumerable: true }); +Object.defineProperty(o, Symbol('foo'), { get: () => { calls.push("Symbol(foo)") }, enumerable: true }); + +var counter = 0; + +for ({...rest} of [o]) { + assert.compareArray(calls, [1, 'z', 'a', "Symbol(foo)"]); + assert.sameValue(Object.keys(rest).length, 3); + counter += 1; +} + +assert.sameValue(counter, 1); + +reportCompare(0, 0); |