1//===-- divmodsi4_test.c - Test __divmodsi4 -------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file tests __divmodsi4 for the compiler_rt library.
11//
12//===----------------------------------------------------------------------===//
13
14#include "int_lib.h"
15#include <stdio.h>
16
17// Returns: a / b
18
19extern si_int __divmodsi4(si_int a, si_int b, si_int* rem);
20
21
22int test__divmodsi4(si_int a, si_int b,
23						si_int expected_result, si_int expected_rem)
24{
25	si_int rem;
26    si_int result = __divmodsi4(a, b, &rem);
27    if (result != expected_result) {
28        printf("error in __divmodsi4: %d / %d = %d, expected %d\n",
29               a, b, result, expected_result);
30		return 1;
31	}
32    if (rem != expected_rem) {
33        printf("error in __divmodsi4: %d mod %d = %d, expected %d\n",
34               a, b, rem, expected_rem);
35		return 1;
36	}
37
38    return 0;
39}
40
41
42int main()
43{
44    if (test__divmodsi4(0, 1, 0, 0))
45        return 1;
46    if (test__divmodsi4(0, -1, 0, 0))
47        return 1;
48
49    if (test__divmodsi4(2, 1, 2, 0))
50        return 1;
51    if (test__divmodsi4(2, -1, -2, 0))
52        return 1;
53    if (test__divmodsi4(-2, 1, -2, 0))
54        return 1;
55    if (test__divmodsi4(-2, -1, 2, 0))
56        return 1;
57
58	if (test__divmodsi4(7, 5, 1, 2))
59        return 1;
60	if (test__divmodsi4(-7, 5, -1, -2))
61        return 1;
62	if (test__divmodsi4(19, 5, 3, 4))
63        return 1;
64	if (test__divmodsi4(19, -5, -3, 4))
65        return 1;
66
67	if (test__divmodsi4(0x80000000, 8, 0xf0000000, 0))
68        return 1;
69	if (test__divmodsi4(0x80000007, 8, 0xf0000001, -1))
70        return 1;
71
72    return 0;
73}
74