112 lines
2 KiB
C
112 lines
2 KiB
C
/** Simple test for the mul/div/mod operations.
|
|
|
|
type: int, char, short, long
|
|
storage: static,
|
|
attr: volatile,
|
|
*/
|
|
#include <testfwk.h>
|
|
|
|
void
|
|
testUnsignedModDiv(void)
|
|
{
|
|
{attr} {storage} unsigned {type} i;
|
|
unsigned {type} result;
|
|
|
|
i = 100;
|
|
|
|
result = i/3;
|
|
ASSERT(result == 33);
|
|
|
|
result = i/12;
|
|
ASSERT(result == 8);
|
|
|
|
result = i%7;
|
|
ASSERT(result == 2);
|
|
|
|
result = i%34;
|
|
ASSERT(result == 32);
|
|
}
|
|
|
|
void
|
|
testUnsignedMul(void)
|
|
{
|
|
{attr} {storage} unsigned {type} i;
|
|
unsigned {type} result;
|
|
|
|
i = 37;
|
|
|
|
LOG(("i*3 == 111 = %u\n", i*3));
|
|
result = i*3;
|
|
ASSERT(result == 111);
|
|
|
|
result = i*12;
|
|
ASSERT(result == ((unsigned {type})444));
|
|
}
|
|
|
|
void
|
|
testMul(void)
|
|
{
|
|
{attr} {storage} signed {type} i;
|
|
signed {type} result;
|
|
|
|
i = 5;
|
|
|
|
LOG(("i*5 == 25 = %u\n", (int)(i*5)));
|
|
result = i*5;
|
|
ASSERT(result == 25);
|
|
LOG(("i*-4 == -20 = %u\n", (int)(i*-4)));
|
|
ASSERT(i*-4 == -20);
|
|
|
|
i = -10;
|
|
LOG(("i*12 == -120 = %u\n", (int)(i*12)));
|
|
ASSERT(i*12 == -120);
|
|
LOG(("i*-3 == 30 = %u\n", (int)(i*-3)));
|
|
ASSERT(i*-3 == 30);
|
|
}
|
|
|
|
void mark(void)
|
|
{
|
|
}
|
|
|
|
void
|
|
testDiv(void)
|
|
{
|
|
{attr} {storage} signed {type} i;
|
|
|
|
i = 100;
|
|
LOG(("i/5 == 20 = %u\n", (int)i/5));
|
|
ASSERT(i/5 == 20);
|
|
LOG(("i/-4 == -25 = %u\n", (int)i/-4));
|
|
mark();
|
|
ASSERT(i/-4 == -25);
|
|
|
|
i = -50;
|
|
LOG(("i/25 == -2 = %u\n", (int)i/25));
|
|
ASSERT(i/25 == -2);
|
|
LOG(("i/-12 == 4 = %u\n", (int)i/-12));
|
|
ASSERT(i/-12 == 4);
|
|
}
|
|
|
|
void
|
|
testMod(void)
|
|
{
|
|
{attr} {storage} signed {type} i;
|
|
|
|
// Disabled the LOG functions due to a bug in sdcc involving
|
|
// vaargs.
|
|
i = 100;
|
|
// LOG(("i%%17 == 15 = %u\n", (int)(i%9)));
|
|
ASSERT(i%17 == 15);
|
|
|
|
#if MOD_SIGN_FOLLOWS_DIVIDEND
|
|
// LOG(("i%%-7 == 2 = %u\n", (int)i%-7));
|
|
ASSERT(i%-7 == 2);
|
|
|
|
i = -49;
|
|
// LOG(("i%%3 == -1 = %u\n", (int)i%3));
|
|
ASSERT(i%3 == -1);
|
|
// LOG(("i%%-5 == -4 = %u\n", (int)i%-5));
|
|
ASSERT(i%-5 == -4);
|
|
#endif
|
|
}
|