JSTests/test262/test/language/expressions/call/spread-mult-expr.js

// This file was procedurally generated from the following sources:
// - src/spread/mult-expr.case
// - src/spread/default/call-expr.template
/*---
description: Spread operator applied to AssignmentExpression following other elements (CallExpression)
esid: sec-function-calls-runtime-semantics-evaluation
flags: [generated]
info: |
    CallExpression : MemberExpression Arguments

    [...]
    9. Return EvaluateDirectCall(func, thisValue, Arguments, tailCall).

    12.3.4.3 Runtime Semantics: EvaluateDirectCall

    1. Let argList be ArgumentListEvaluation(arguments).
    [...]
    6. Let result be Call(func, thisValue, argList).
    [...]

    12.3.6.1 Runtime Semantics: ArgumentListEvaluation

    ArgumentList : ArgumentList , ... AssignmentExpression

    1. Let precedingArgs be the result of evaluating ArgumentList.
    2. Let spreadRef be the result of evaluating AssignmentExpression.
    3. Let iterator be GetIterator(GetValue(spreadRef) ).
    4. ReturnIfAbrupt(iterator).
    5. Repeat
       a. Let next be IteratorStep(iterator).
       b. ReturnIfAbrupt(next).
       c. If next is false, return precedingArgs.
---*/
var source = [3, 4, 5];
var target;

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);
  assert.sameValue(target, source);
  callCount += 1;
}(1, 2, ...target = source));

assert.sameValue(callCount, 1);