/** Simple test for the mul/div/mod operations.
- type: int, signed char, short
+ type: int, char, short, long
storage: static,
attr: volatile,
*/
#include <testfwk.h>
-static void
+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", (int)(i*3)));
+ result = i*3;
+ ASSERT(result == 111);
+
+ result = i*12;
+ ASSERT(result == ((unsigned {type})444));
+}
+
+void
testMul(void)
{
- {attr} {storage} {type} i;
- {type} result;
+ {attr} {storage} signed {type} i;
+ signed {type} result;
i = 5;
- LOG(("i*5 == 25 = %u\n", (int)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));
+ LOG(("i*-4 == -20 = %u\n", (int)(i*-4)));
ASSERT(i*-4 == -20);
i = -10;
- LOG(("i*12 == -120 = %u\n", (int)i*12));
+ LOG(("i*12 == -120 = %u\n", (int)(i*12)));
ASSERT(i*12 == -120);
- LOG(("i*-3 == 30 = %u\n", (int)i*-3));
+ LOG(("i*-3 == 30 = %u\n", (int)(i*-3)));
ASSERT(i*-3 == 30);
+}
- LOG(("30 == %u\n", (int)i*-3));
+void mark(void)
+{
}
-static void
+void
testDiv(void)
{
- {attr} {storage} {type} i;
+ {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;
ASSERT(i/25 == -2);
LOG(("i/-12 == 4 = %u\n", (int)i/-12));
ASSERT(i/-12 == 4);
+ //power of 2
+ ASSERT(i/4 == -12);
}
-static void
+void
testMod(void)
{
- {attr} {storage} {type} i;
+ {attr} {storage} signed {type} i;
// Disabled the LOG functions due to a bug in sdcc involving
// vaargs.
// 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);
+ //power of 2
+ ASSERT(i%-8 == 4);
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
+ //power of 2
+ ASSERT(i%4 == -1);
}