summaryrefslogtreecommitdiffstats
path: root/js/src/jit-test/tests/ion/apply-native-spreadcall-array.js
blob: 24e56214840521dc118b856ebf7d9a219dcca135 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
load(libdir + "array-compare.js");

const xs = [
  // Zero arguments.
  [],

  // Single argument.
  [1],

  // Few arguments. Even number of arguments.
  [1, 2],

  // Few arguments. Odd number of arguments.
  [1, 2, 3],

  // Many arguments. Even number of arguments.
  [1, 2, 3, 4, 5, 6, 7, 8, 9, 0],

  // Many arguments. Odd number of arguments.
  [1, 2, 3, 4, 5, 6, 7, 8, 9],
];

function f(x) {
  // SpreadCall to a native function with an array.
  return Array(...x);
}

// Don't inline |f| into the top-level script.
with ({}) ;

for (let i = 0; i < 400; ++i) {
  let x = xs[i % xs.length];

  // NB: Array(1) creates the array `[,]`.
  let expected = x.length !== 1 ? x : [,];

  let result = f(x);
  assertEq(arraysEqual(result, expected), true);
}