diff options
Diffstat (limited to 'js/src/tests/test262/language/statements/for-of/dstr/obj-prop-elem-init-assignment-null.js')
-rw-r--r-- | js/src/tests/test262/language/statements/for-of/dstr/obj-prop-elem-init-assignment-null.js | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-of/dstr/obj-prop-elem-init-assignment-null.js b/js/src/tests/test262/language/statements/for-of/dstr/obj-prop-elem-init-assignment-null.js new file mode 100644 index 0000000000..0bffa7dd8c --- /dev/null +++ b/js/src/tests/test262/language/statements/for-of/dstr/obj-prop-elem-init-assignment-null.js @@ -0,0 +1,38 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-assignment/obj-prop-elem-init-assignment-null.case +// - src/dstr-assignment/default/for-of.template +/*--- +description: If the Initializer is present and v is not undefined, the Initializer should be evaluated and the result assigned to the target reference (null value) (For..of statement) +esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation +features: [destructuring-binding] +flags: [generated] +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 counter = 0; + +for ({ y: x = 1 } of [{ y: null }]) { + assert.sameValue(x, null); + counter += 1; +} + +assert.sameValue(counter, 1); + +reportCompare(0, 0); |