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cc65/test/val/lib_common_memmove.c
2017-04-04 15:45:24 +02:00

59 lines
1.9 KiB
C

#include <string.h>
#include "unittest.h"
#define BufferSize 384 // test correct page passing (>256, multiple of 128 here)
static char Buffer[BufferSize+3]; // +1 to move up (and down)
TEST
{
unsigned i, v;
char* p;
for (i=0; i < BufferSize; ++i)
Buffer[i+1] = (i%128);
Buffer[0] = 255; // to check if start position is untouched
Buffer[BufferSize+2] = 255; // to check if end position is untouched
// copy upwards
p = memmove(Buffer+2, Buffer+1, BufferSize);
// check buffer consistency before target
ASSERT_AreEqual(255, (unsigned)Buffer[0], "%u", "Unexpected value before range!");
// check buffer consistency at starting point
ASSERT_AreEqual(0, (unsigned)Buffer[1], "%u", "Unexpected value at range start!");
// check buffer consistency after range
ASSERT_AreEqual(255, (unsigned)Buffer[BufferSize+2], "%u", "Unexpected value after range!");
// check buffer values
for (i=0; i < BufferSize; ++i)
{
ASSERT_AreEqual(i%128, (unsigned)Buffer[i+2], "%u", "Unexpected value in buffer at position %u!" COMMA i+2);
}
v = Buffer[BufferSize+1]; // rember value of first untouched end-byte
// copy downwards
p = memmove(Buffer+1, Buffer+2, BufferSize);
// check buffer consistency before target
ASSERT_AreEqual(255, (unsigned)Buffer[0], "%u", "Unexpected value before range!");
// check buffer consistency at end point
ASSERT_AreEqual(v, (unsigned)Buffer[BufferSize+1], "%u", "Unexpected value at range end!");
// check buffer consistency after range
ASSERT_AreEqual(255, (unsigned)Buffer[BufferSize+2], "%u", "Unexpected value after range!");
// check buffer values
for (i=0; i < BufferSize; ++i)
{
ASSERT_AreEqual(i%128, (unsigned)Buffer[i+1], "%u", "Unexpected value in buffer at position %u!" COMMA i+1);
}
}
ENDTEST