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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/language/statements/for-of/dstr/obj-rest-getter.js | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-of/dstr/obj-rest-getter.js b/js/src/tests/test262/language/statements/for-of/dstr/obj-rest-getter.js new file mode 100644 index 0000000000..cbef6499a3 --- /dev/null +++ b/js/src/tests/test262/language/statements/for-of/dstr/obj-rest-getter.js @@ -0,0 +1,47 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-assignment/obj-rest-getter.case +// - src/dstr-assignment/default/for-of.template +/*--- +description: Getter is called when obj is being deconstructed to a rest Object (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 ( 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 x; +var count = 0; + +var counter = 0; + +for ({...x} of [{ get v() { count++; return 2; } }]) { + assert.sameValue(count, 1); + + verifyProperty(x, "v", { + enumerable: true, + writable: true, + configurable: true, + value: 2 + }); + counter += 1; +} + +assert.sameValue(counter, 1); + +reportCompare(0, 0); |