diff options
Diffstat (limited to 'test/Unit/modsi3_test.c')
-rw-r--r-- | test/Unit/modsi3_test.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/test/Unit/modsi3_test.c b/test/Unit/modsi3_test.c new file mode 100644 index 000000000..e345acce5 --- /dev/null +++ b/test/Unit/modsi3_test.c @@ -0,0 +1,58 @@ +//===-- modsi3_test.c - Test __modsi3 -------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file tests __modsi3 for the compiler_rt library. +// +//===----------------------------------------------------------------------===// + +#include "int_lib.h" +#include <stdio.h> + +// Returns: a % b + +si_int __modsi3(si_int a, si_int b); + +int test__modsi3(si_int a, si_int b, si_int expected) +{ + si_int x = __modsi3(a, b); + if (x != expected) + printf("error in __modsi3: %d %% %d = %d, expected %d\n", + a, b, x, expected); + return x != expected; +} + +int main() +{ + if (test__modsi3(0, 1, 0)) + return 1; + if (test__modsi3(0, -1, 0)) + return 1; + + if (test__modsi3(5, 3, 2)) + return 1; + if (test__modsi3(5, -3, 2)) + return 1; + if (test__modsi3(-5, 3, -2)) + return 1; + if (test__modsi3(-5, -3, -2)) + return 1; + + if (test__modsi3(0x80000000, 1, 0x0)) + return 1; + if (test__modsi3(0x80000000, 2, 0x0)) + return 1; + if (test__modsi3(0x80000000, -2, 0x0)) + return 1; + if (test__modsi3(0x80000000, 3, -2)) + return 1; + if (test__modsi3(0x80000000, -3, -2)) + return 1; + + return 0; +} |