1// Copyright 2014 the V8 project authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5var stdlib = {};
6var foreign = {};
7var heap = new ArrayBuffer(64 * 1024);
8
9function Int32Mod(divisor) {
10  var name = "mod_";
11  if (divisor < 0) {
12    name += "minus_";
13  }
14  name += Math.abs(divisor);
15  var m = eval("function Module(stdlib, foreign, heap) {\n"
16      + " \"use asm\";\n"
17      + " function " + name + "(dividend) {\n"
18      + "  return ((dividend | 0) % " + divisor + ") | 0;\n"
19      + " }\n"
20      + " return { f: " + name + "}\n"
21      + "}; Module");
22  return m(stdlib, foreign, heap).f;
23}
24
25var divisors = [-2147483648, -32 * 1024, -1000, -16, -7, -2, -1, 0,
26                1, 3, 4, 10, 64, 100, 1024, 2147483647];
27for (var i in divisors) {
28  var divisor = divisors[i];
29  var mod = Int32Mod(divisor);
30  for (var dividend = -2147483648; dividend < 2147483648; dividend += 3999773) {
31    assertEquals((dividend % divisor) | 0, mod(dividend));
32  }
33}
34