void testMMapFile() {
const int BUF_SIZE = 50000; // 50MB
MMapFile mmap;
mmap.resize(BUF_SIZE);
CPPUNIT_ASSERT_EQUAL( BUF_SIZE, mmap.getsize() );
void *buf = mmap.get(0, BUF_SIZE);
memset(buf, 0x85, BUF_SIZE);
mmap.release();
srand(time(NULL));
for (size_t i = 0; i < 100; i++) {
int offset1 = rand() % BUF_SIZE;
int size1 = rand() % (BUF_SIZE - offset1);
char *p1 = (char *) mmap.get(offset1, size1);
int offset2 = rand() % BUF_SIZE;
int size2 = rand() % (BUF_SIZE - offset2);
char *p2 = (char *) mmap.getmore(offset2, size2);
int minsize = min(size1, size2);
for (int j = 0; j < minsize; j++) {
CPPUNIT_ASSERT_EQUAL( p1[j], p2[j] );
}
mmap.release();
mmap.release(p2, size2);
}
}
void testMMapFile() {
size_t i;
const int BUF_SIZE = 50000; // 50MB
// resize
MMapFile mmap;
mmap.resize(BUF_SIZE);
CPPUNIT_ASSERT_EQUAL( BUF_SIZE, mmap.getsize() );
// set content
char *buf = (char *) mmap.get(0, BUF_SIZE);
for (i = 0; i < BUF_SIZE; i++) {
buf[i] = i % 256;
}
mmap.release();
// test content and get(), getmore()
srand(time(NULL));
for (i = 0; i < 100; i++) {
int offset1 = rand() % BUF_SIZE;
int size1 = rand() % (BUF_SIZE - offset1);
char *p1 = (char *) mmap.get(offset1, size1);
int offset2 = rand() % BUF_SIZE;
int size2 = rand() % (BUF_SIZE - offset2);
char *p2 = (char *) mmap.getmore(offset2, size2);
int j;
for (j = 0; j < size1; j++) {
CPPUNIT_ASSERT_EQUAL( p1[j], char((offset1 + j) % 256) );
}
for (j = 0; j < size2; j++) {
CPPUNIT_ASSERT_EQUAL( p2[j], char((offset2 + j) % 256) );
}
mmap.release();
mmap.release(p2, size2);
}
}