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