summaryrefslogtreecommitdiff
path: root/test/language/statements/for/dstr-var-ary-ptrn-elision-step-err.js
diff options
context:
space:
mode:
Diffstat (limited to 'test/language/statements/for/dstr-var-ary-ptrn-elision-step-err.js')
-rw-r--r--test/language/statements/for/dstr-var-ary-ptrn-elision-step-err.js64
1 files changed, 64 insertions, 0 deletions
diff --git a/test/language/statements/for/dstr-var-ary-ptrn-elision-step-err.js b/test/language/statements/for/dstr-var-ary-ptrn-elision-step-err.js
new file mode 100644
index 000000000..db271aa9e
--- /dev/null
+++ b/test/language/statements/for/dstr-var-ary-ptrn-elision-step-err.js
@@ -0,0 +1,64 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-step-err.case
+// - src/dstr-binding/error/for-var.template
+/*---
+description: Elision advances iterator and forwards abrupt completions (for statement)
+esid: sec-for-statement-runtime-semantics-labelledevaluation
+es6id: 13.7.4.7
+features: [generator, 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
+ a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+ b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
+ c. ReturnIfAbrupt(next).
+
+---*/
+var following = 0;
+var iter =function* () {
+ throw new Test262Error();
+ following += 1;
+}();
+
+assert.throws(Test262Error, function() {
+ for (var [,] = iter; iterCount < 1; ) {
+ return;
+ }
+});
+
+iter.next();
+assert.sameValue(following, 0, 'Iterator was properly closed.');