spread-mult-literal.js (1741B)
1 // This file was procedurally generated from the following sources: 2 // - src/spread/mult-literal.case 3 // - src/spread/default/array.template 4 /*--- 5 description: Spread operator applied to AssignmentExpression following other elements (Array initializer) 6 esid: sec-runtime-semantics-arrayaccumulation 7 flags: [generated] 8 info: | 9 SpreadElement : ...AssignmentExpression 10 11 1. Let spreadRef be the result of evaluating AssignmentExpression. 12 2. Let spreadObj be ? GetValue(spreadRef). 13 3. Let iterator be ? GetIterator(spreadObj). 14 4. Repeat 15 a. Let next be ? IteratorStep(iterator). 16 b. If next is false, return nextIndex. 17 c. Let nextValue be ? IteratorValue(next). 18 d. Let status be CreateDataProperty(array, ToString(ToUint32(nextIndex)), 19 nextValue). 20 e. Assert: status is true. 21 f. Let nextIndex be nextIndex + 1. 22 23 12.3.6.1 Runtime Semantics: ArgumentListEvaluation 24 25 ArgumentList : ArgumentList , ... AssignmentExpression 26 27 1. Let precedingArgs be the result of evaluating ArgumentList. 28 2. Let spreadRef be the result of evaluating AssignmentExpression. 29 3. Let iterator be GetIterator(GetValue(spreadRef) ). 30 4. ReturnIfAbrupt(iterator). 31 5. Repeat 32 a. Let next be IteratorStep(iterator). 33 b. ReturnIfAbrupt(next). 34 c. If next is false, return precedingArgs. 35 ---*/ 36 37 var callCount = 0; 38 39 (function() { 40 assert.sameValue(arguments.length, 5); 41 assert.sameValue(arguments[0], 5); 42 assert.sameValue(arguments[1], 6); 43 assert.sameValue(arguments[2], 7); 44 assert.sameValue(arguments[3], 8); 45 assert.sameValue(arguments[4], 9); 46 callCount += 1; 47 }.apply(null, [5, ...[6, 7, 8], 9])); 48 49 assert.sameValue(callCount, 1); 50 51 reportCompare(0, 0);