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Diffstat (limited to 'js/src/tests/test262/language/statements/for/dstr/var-ary-ptrn-rest-ary-rest.js')
-rw-r--r-- | js/src/tests/test262/language/statements/for/dstr/var-ary-ptrn-rest-ary-rest.js | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for/dstr/var-ary-ptrn-rest-ary-rest.js b/js/src/tests/test262/language/statements/for/dstr/var-ary-ptrn-rest-ary-rest.js new file mode 100644 index 0000000000..c8c9fdeb91 --- /dev/null +++ b/js/src/tests/test262/language/statements/for/dstr/var-ary-ptrn-rest-ary-rest.js @@ -0,0 +1,62 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-ary-rest.case +// - src/dstr-binding/default/for-var.template +/*--- +description: Rest element containing a rest element (for statement) +esid: sec-for-statement-runtime-semantics-labelledevaluation +features: [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 + + BindingRestElement : ... BindingPattern + + 1. Let A be ArrayCreate(0). + [...] + 3. Repeat + [...] + b. If iteratorRecord.[[done]] is true, then + i. Return the result of performing BindingInitialization of + BindingPattern with A and environment as the arguments. + [...] +---*/ +var values = [1, 2, 3]; + +var iterCount = 0; + +for (var [...[...x]] = values; iterCount < 1; ) { + assert(Array.isArray(x)); + assert.sameValue(x.length, 3); + assert.sameValue(x[0], 1); + assert.sameValue(x[1], 2); + assert.sameValue(x[2], 3); + assert.notSameValue(x, values); + + iterCount += 1; +} + +assert.sameValue(iterCount, 1, 'Iteration occurred as expected'); + +reportCompare(0, 0); |