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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.js | 64 |
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.'); |