summaryrefslogtreecommitdiffstats
path: root/js/src/tests/test262/language/statements/for-of/dstr/array-elem-init-yield-ident-valid.js
diff options
context:
space:
mode:
Diffstat (limited to 'js/src/tests/test262/language/statements/for-of/dstr/array-elem-init-yield-ident-valid.js')
-rw-r--r--js/src/tests/test262/language/statements/for-of/dstr/array-elem-init-yield-ident-valid.js39
1 files changed, 39 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-of/dstr/array-elem-init-yield-ident-valid.js b/js/src/tests/test262/language/statements/for-of/dstr/array-elem-init-yield-ident-valid.js
new file mode 100644
index 0000000000..8d12e33155
--- /dev/null
+++ b/js/src/tests/test262/language/statements/for-of/dstr/array-elem-init-yield-ident-valid.js
@@ -0,0 +1,39 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-assignment/array-elem-init-yield-ident-valid.case
+// - src/dstr-assignment/default/for-of.template
+/*---
+description: When a `yield` token appears within the Initializer of an AssignmentElement outside of a generator function body, it behaves as an IdentifierReference. (For..of statement)
+esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
+features: [destructuring-binding]
+flags: [generated, noStrict]
+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 yield = 4;
+var x;
+
+var counter = 0;
+
+for ([ x = yield ] of [[]]) {
+ assert.sameValue(x, 4);
+ counter += 1;
+}
+
+assert.sameValue(counter, 1);
+
+reportCompare(0, 0);