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Diffstat (limited to 'js/src/tests/test262/language/expressions/array/spread-mult-iter.js')
-rw-r--r-- | js/src/tests/test262/language/expressions/array/spread-mult-iter.js | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/array/spread-mult-iter.js b/js/src/tests/test262/language/expressions/array/spread-mult-iter.js new file mode 100644 index 0000000000..58bf244d25 --- /dev/null +++ b/js/src/tests/test262/language/expressions/array/spread-mult-iter.js @@ -0,0 +1,66 @@ +// This file was procedurally generated from the following sources: +// - src/spread/mult-iter.case +// - src/spread/default/array.template +/*--- +description: Spread operator following other arguments with a valid iterator (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). + 6. Repeat + a. Let next be IteratorStep(iterator). + b. ReturnIfAbrupt(next). + c. If next is false, return list. + d. Let nextArg be IteratorValue(next). + e. ReturnIfAbrupt(nextArg). + f. Append nextArg as the last element of list. +---*/ +var iter = {}; +iter[Symbol.iterator] = function() { + var nextCount = 3; + return { + next: function() { + nextCount += 1; + return { done: nextCount === 6, value: nextCount }; + } + }; +}; + +var callCount = 0; + +(function() { + assert.sameValue(arguments.length, 5); + assert.sameValue(arguments[0], 1); + assert.sameValue(arguments[1], 2); + assert.sameValue(arguments[2], 3); + assert.sameValue(arguments[3], 4); + assert.sameValue(arguments[4], 5); + callCount += 1; +}.apply(null, [1, 2, 3, ...iter])); + +assert.sameValue(callCount, 1); + +reportCompare(0, 0); |