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53 lines
1.5 KiB
JavaScript
53 lines
1.5 KiB
JavaScript
// This file was procedurally generated from the following sources:
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// - src/spread/sngl-expr.case
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// - src/spread/default/call-expr.template
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/*---
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description: Spread operator applied to AssignmentExpression as only element (CallExpression)
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esid: sec-function-calls-runtime-semantics-evaluation
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flags: [generated]
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info: |
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CallExpression : MemberExpression Arguments
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[...]
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9. Return EvaluateDirectCall(func, thisValue, Arguments, tailCall).
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12.3.4.3 Runtime Semantics: EvaluateDirectCall
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1. Let argList be ArgumentListEvaluation(arguments).
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[...]
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6. Let result be Call(func, thisValue, argList).
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[...]
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12.3.6.1 Runtime Semantics: ArgumentListEvaluation
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ArgumentList : ... AssignmentExpression
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1. Let list be an empty List.
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2. Let spreadRef be the result of evaluating AssignmentExpression.
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3. Let spreadObj be GetValue(spreadRef).
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4. Let iterator be GetIterator(spreadObj).
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5. ReturnIfAbrupt(iterator).
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6. Repeat
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a. Let next be IteratorStep(iterator).
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b. ReturnIfAbrupt(next).
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c. If next is false, return list.
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d. Let nextArg be IteratorValue(next).
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e. ReturnIfAbrupt(nextArg).
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f. Append nextArg as the last element of list.
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---*/
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var source = [2, 3, 4];
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var target;
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var callCount = 0;
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(function() {
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assert.sameValue(arguments.length, 3);
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assert.sameValue(arguments[0], 2);
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assert.sameValue(arguments[1], 3);
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assert.sameValue(arguments[2], 4);
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assert.sameValue(target, source);
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callCount += 1;
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}(...target = source));
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assert.sameValue(callCount, 1);
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