diff options
Diffstat (limited to 'js/src/tests/test262/language/expressions/array/spread-err-sngl-err-itr-get-get.js')
-rw-r--r-- | js/src/tests/test262/language/expressions/array/spread-err-sngl-err-itr-get-get.js | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/array/spread-err-sngl-err-itr-get-get.js b/js/src/tests/test262/language/expressions/array/spread-err-sngl-err-itr-get-get.js new file mode 100644 index 0000000000..82e463fe16 --- /dev/null +++ b/js/src/tests/test262/language/expressions/array/spread-err-sngl-err-itr-get-get.js @@ -0,0 +1,50 @@ +// This file was procedurally generated from the following sources: +// - src/spread/sngl-err-itr-get-get.case +// - src/spread/error/array.template +/*--- +description: Spread operator applied to the only argument when GetIterator fails (@@iterator property access) (Array initializer) +esid: sec-runtime-semantics-arrayaccumulation +features: [Symbol.iterator] +flags: [generated] +info: | + SpreadElement : ...AssignmentExpression + + 1. Let spreadRef be the result of evaluating AssignmentExpression. + 2. Let spreadObj be ? GetValue(spreadRef). + 3. Let iterator be ? GetIterator(spreadObj). + 4. Repeat + a. Let next be ? IteratorStep(iterator). + b. If next is false, return nextIndex. + c. Let nextValue be ? IteratorValue(next). + d. Let status be CreateDataProperty(array, ToString(ToUint32(nextIndex)), + nextValue). + e. Assert: status is true. + f. Let nextIndex be nextIndex + 1. + + 12.3.6.1 Runtime Semantics: ArgumentListEvaluation + + ArgumentList : ... AssignmentExpression + + 1. Let list be an empty List. + 2. Let spreadRef be the result of evaluating AssignmentExpression. + 3. Let spreadObj be GetValue(spreadRef). + 4. Let iterator be GetIterator(spreadObj). + 5. ReturnIfAbrupt(iterator). + + 7.4.1 GetIterator ( obj, method ) + + 1. If method was not passed, then + a. Let method be ? GetMethod(obj, @@iterator). +---*/ +var iter = {}; +Object.defineProperty(iter, Symbol.iterator, { + get: function() { + throw new Test262Error(); + } +}); + +assert.throws(Test262Error, function() { + [...iter]; +}); + +reportCompare(0, 0); |