diff options
Diffstat (limited to 'js/src/tests/test262/language/statements/for/dstr/const-ary-ptrn-rest-id-exhausted.js')
-rw-r--r-- | js/src/tests/test262/language/statements/for/dstr/const-ary-ptrn-rest-id-exhausted.js | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for/dstr/const-ary-ptrn-rest-id-exhausted.js b/js/src/tests/test262/language/statements/for/dstr/const-ary-ptrn-rest-id-exhausted.js new file mode 100644 index 0000000000..7535e7ad0e --- /dev/null +++ b/js/src/tests/test262/language/statements/for/dstr/const-ary-ptrn-rest-id-exhausted.js @@ -0,0 +1,61 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-id-exhausted.case +// - src/dstr-binding/default/for-const.template +/*--- +description: RestElement applied to an exhausted iterator (for statement) +esid: sec-for-statement-runtime-semantics-labelledevaluation +features: [Symbol.iterator, 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. + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + BindingRestElement : ... BindingIdentifier + 1. Let lhs be ResolveBinding(StringValue of BindingIdentifier, + environment). + 2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat, + [...] + b. If iteratorRecord.[[done]] is true, then + i. If environment is undefined, return PutValue(lhs, A). + ii. Return InitializeReferencedBinding(lhs, A). + +---*/ + +var iterCount = 0; + +for (const [, , ...x] = [1, 2]; iterCount < 1; ) { + assert(Array.isArray(x)); + assert.sameValue(x.length, 0); + + iterCount += 1; +} + +assert.sameValue(iterCount, 1, 'Iteration occurred as expected'); + +reportCompare(0, 0); |