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-rw-r--r--js/src/tests/test262/language/statements/for/dstr/var-ary-ptrn-elem-ary-empty-init.js59
1 files changed, 59 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for/dstr/var-ary-ptrn-elem-ary-empty-init.js b/js/src/tests/test262/language/statements/for/dstr/var-ary-ptrn-elem-ary-empty-init.js
new file mode 100644
index 0000000000..ccf471099b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/for/dstr/var-ary-ptrn-elem-ary-empty-init.js
@@ -0,0 +1,59 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-init.case
+// - src/dstr-binding/default/for-var.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (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
+
+ BindingElement : BindingPatternInitializer opt
+
+ [...]
+ 2. If iteratorRecord.[[done]] is true, let v be undefined.
+ 3. If Initializer is present and v is undefined, then
+ a. Let defaultValue be the result of evaluating Initializer.
+ b. Let v be ? GetValue(defaultValue).
+ 4. Return the result of performing BindingInitialization of BindingPattern
+ with v and environment as the arguments.
+
+---*/
+var initCount = 0;
+var iterCount = 0;
+var iter = function*() { iterCount += 1; }();
+
+var iterCount = 0;
+
+for (var [[] = function() { initCount += 1; return iter; }()] = []; iterCount < 1; ) {
+ assert.sameValue(initCount, 1);
+ assert.sameValue(iterCount, 0);
+ iterCount += 1;
+}
+
+assert.sameValue(iterCount, 1, 'Iteration occurred as expected');
+
+reportCompare(0, 0);