summaryrefslogtreecommitdiffstats
path: root/js/src/tests/test262/language/statements/for/dstr/var-ary-ptrn-elision-exhausted.js
diff options
context:
space:
mode:
Diffstat (limited to 'js/src/tests/test262/language/statements/for/dstr/var-ary-ptrn-elision-exhausted.js')
-rw-r--r--js/src/tests/test262/language/statements/for/dstr/var-ary-ptrn-elision-exhausted.js61
1 files changed, 61 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for/dstr/var-ary-ptrn-elision-exhausted.js b/js/src/tests/test262/language/statements/for/dstr/var-ary-ptrn-elision-exhausted.js
new file mode 100644
index 0000000000..0a2f99fa8f
--- /dev/null
+++ b/js/src/tests/test262/language/statements/for/dstr/var-ary-ptrn-elision-exhausted.js
@@ -0,0 +1,61 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-exhausted.case
+// - src/dstr-binding/default/for-var.template
+/*---
+description: Elision accepts exhausted iterator (for statement)
+esid: sec-for-statement-runtime-semantics-labelledevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+ IterationStatement :
+ for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
+
+ 1. Let varDcl be the result of evaluating VariableDeclarationList.
+ [...]
+
+ 13.3.2.4 Runtime Semantics: Evaluation
+
+ VariableDeclarationList : VariableDeclarationList , VariableDeclaration
+
+ 1. Let next be the result of evaluating VariableDeclarationList.
+ 2. ReturnIfAbrupt(next).
+ 3. Return the result of evaluating VariableDeclaration.
+
+ VariableDeclaration : BindingPattern Initializer
+
+ 1. Let rhs be the result of evaluating Initializer.
+ 2. Let rval be GetValue(rhs).
+ 3. ReturnIfAbrupt(rval).
+ 4. Return the result of performing BindingInitialization for BindingPattern
+ passing rval and undefined as arguments.
+
+ 13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+ ArrayBindingPattern : [ Elision ]
+
+ 1. Return the result of performing
+ IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
+ as the argument.
+
+ 12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+
+ Elision : ,
+
+ 1. If iteratorRecord.[[done]] is false, then
+ [...]
+ 2. Return NormalCompletion(empty).
+
+---*/
+var iter = function*() {}();
+iter.next();
+
+var iterCount = 0;
+
+for (var [,] = iter; iterCount < 1; ) {
+
+ iterCount += 1;
+}
+
+assert.sameValue(iterCount, 1, 'Iteration occurred as expected');
+
+reportCompare(0, 0);