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51 lines
1.5 KiB
JavaScript
51 lines
1.5 KiB
JavaScript
// This file was procedurally generated from the following sources:
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// - src/spread/mult-expr.case
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// - src/spread/default/member-expr.template
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/*---
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description: Spread operator applied to AssignmentExpression following other elements (`new` operator)
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esid: sec-new-operator-runtime-semantics-evaluation
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es6id: 12.3.3.1
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flags: [generated]
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info: |
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MemberExpression : new MemberExpression Arguments
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1. Return EvaluateNew(MemberExpression, Arguments).
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12.3.3.1.1 Runtime Semantics: EvaluateNew
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6. If arguments is empty, let argList be an empty List.
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7. Else,
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a. Let argList be ArgumentListEvaluation of arguments.
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[...]
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12.3.6.1 Runtime Semantics: ArgumentListEvaluation
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ArgumentList : ArgumentList , ... AssignmentExpression
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1. Let precedingArgs be the result of evaluating ArgumentList.
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2. Let spreadRef be the result of evaluating AssignmentExpression.
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3. Let iterator be GetIterator(GetValue(spreadRef) ).
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4. ReturnIfAbrupt(iterator).
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5. 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 precedingArgs.
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---*/
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var source = [3, 4, 5];
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var target;
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var callCount = 0;
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new function() {
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assert.sameValue(arguments.length, 5);
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assert.sameValue(arguments[0], 1);
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assert.sameValue(arguments[1], 2);
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assert.sameValue(arguments[2], 3);
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assert.sameValue(arguments[3], 4);
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assert.sameValue(arguments[4], 5);
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assert.sameValue(target, source);
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callCount += 1;
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}(1, 2, ...target = source);
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assert.sameValue(callCount, 1);
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