summaryrefslogtreecommitdiffstats
path: root/js/src/tests/test262/language/statements/for/dstr/let-obj-ptrn-prop-obj.js
diff options
context:
space:
mode:
Diffstat (limited to 'js/src/tests/test262/language/statements/for/dstr/let-obj-ptrn-prop-obj.js')
-rw-r--r--js/src/tests/test262/language/statements/for/dstr/let-obj-ptrn-prop-obj.js63
1 files changed, 63 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for/dstr/let-obj-ptrn-prop-obj.js b/js/src/tests/test262/language/statements/for/dstr/let-obj-ptrn-prop-obj.js
new file mode 100644
index 0000000000..1b5c431d45
--- /dev/null
+++ b/js/src/tests/test262/language/statements/for/dstr/let-obj-ptrn-prop-obj.js
@@ -0,0 +1,63 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj.case
+// - src/dstr-binding/default/for-let.template
+/*---
+description: Object binding pattern with "nested" object binding pattern not using initializer (for statement)
+esid: sec-for-statement-runtime-semantics-labelledevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+ IterationStatement :
+ for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
+
+ [...]
+ 7. Let forDcl be the result of evaluating LexicalDeclaration.
+ [...]
+
+ LexicalDeclaration : LetOrConst BindingList ;
+
+ 1. Let next be the result of evaluating BindingList.
+ 2. ReturnIfAbrupt(next).
+ 3. Return NormalCompletion(empty).
+
+ BindingList : BindingList , LexicalBinding
+
+ 1. Let next be the result of evaluating BindingList.
+ 2. ReturnIfAbrupt(next).
+ 3. Return the result of evaluating LexicalBinding.
+
+ LexicalBinding : BindingPattern Initializer
+
+ 1. Let rhs be the result of evaluating Initializer.
+ 2. Let value be GetValue(rhs).
+ 3. ReturnIfAbrupt(value).
+ 4. Let env be the running execution context’s LexicalEnvironment.
+ 5. Return the result of performing BindingInitialization for BindingPattern
+ using value and env as the arguments.
+
+ 13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+ [...]
+ 3. If Initializer is present and v is undefined, then
+ [...]
+ 4. Return the result of performing BindingInitialization for BindingPattern
+ passing v and environment as arguments.
+---*/
+
+var iterCount = 0;
+
+for (let { w: { x, y, z } = { x: 4, y: 5, z: 6 } } = { w: { x: undefined, z: 7 } }; iterCount < 1; ) {
+ assert.sameValue(x, undefined);
+ assert.sameValue(y, undefined);
+ assert.sameValue(z, 7);
+
+ assert.throws(ReferenceError, function() {
+ w;
+ });
+
+ iterCount += 1;
+}
+
+assert.sameValue(iterCount, 1, 'Iteration occurred as expected');
+
+reportCompare(0, 0);