diff options
Diffstat (limited to 'js/src/tests/test262/language/statements/variable/dstr/ary-ptrn-rest-ary-elem.js')
-rw-r--r-- | js/src/tests/test262/language/statements/variable/dstr/ary-ptrn-rest-ary-elem.js | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/variable/dstr/ary-ptrn-rest-ary-elem.js b/js/src/tests/test262/language/statements/variable/dstr/ary-ptrn-rest-ary-elem.js new file mode 100644 index 0000000000..cacb6f1b6c --- /dev/null +++ b/js/src/tests/test262/language/statements/variable/dstr/ary-ptrn-rest-ary-elem.js @@ -0,0 +1,58 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-rest-ary-elem.case +// - src/dstr-binding/default/var-stmt.template +/*--- +description: Rest element containing an array BindingElementList pattern (`var` statement) +esid: sec-variable-statement-runtime-semantics-evaluation +features: [destructuring-binding] +flags: [generated] +info: | + 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. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 4. 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). + d. If next is false, set iteratorRecord.[[done]] to true. + e. Else, + [...] + i. Let v be IteratorValue(next). + ii. If v is an abrupt completion, set + iteratorRecord.[[done]] to true. + iii. ReturnIfAbrupt(v). + 5. If iteratorRecord.[[done]] is true, let v be undefined. + [...] + 8. Return InitializeReferencedBinding(lhs, v). +---*/ + +var [...[x, y, z]] = [3, 4, 5]; + +assert.sameValue(x, 3); +assert.sameValue(y, 4); +assert.sameValue(z, 5); + +reportCompare(0, 0); |