diff options
Diffstat (limited to 'js/src/tests/test262/language/statements/variable/dstr/ary-ptrn-elem-id-iter-val-err.js')
-rw-r--r-- | js/src/tests/test262/language/statements/variable/dstr/ary-ptrn-elem-id-iter-val-err.js | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/variable/dstr/ary-ptrn-elem-id-iter-val-err.js b/js/src/tests/test262/language/statements/variable/dstr/ary-ptrn-elem-id-iter-val-err.js new file mode 100644 index 0000000000..1fa5565afb --- /dev/null +++ b/js/src/tests/test262/language/statements/variable/dstr/ary-ptrn-elem-id-iter-val-err.js @@ -0,0 +1,53 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-iter-val-err.case +// - src/dstr-binding/error/var-stmt.template +/*--- +description: Error forwarding when IteratorValue returns an abrupt completion (`var` statement) +esid: sec-variable-statement-runtime-semantics-evaluation +features: [Symbol.iterator, 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 + + 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). + +---*/ +var poisonedValue = Object.defineProperty({}, 'value', { + get: function() { + throw new Test262Error(); + } +}); +var g = {}; +g[Symbol.iterator] = function() { + return { + next: function() { + return poisonedValue; + } + }; +}; + +assert.throws(Test262Error, function() { + var [x] = g; +}); + +reportCompare(0, 0); |