NSIS/Source/Tests/endian.cpp
2007-03-11 15:58:46 +00:00

56 lines
1.4 KiB
C++

#include <cppunit/extensions/HelperMacros.h>
#include "../Platform.h"
class EndianTest : public CppUnit::TestFixture {
CPPUNIT_TEST_SUITE( EndianTest );
CPPUNIT_TEST( testSwapEndian );
CPPUNIT_TEST( testFixEndian16 );
CPPUNIT_TEST( testFixEndian32 );
CPPUNIT_TEST_SUITE_END();
public:
void testSwapEndian() {
CPPUNIT_ASSERT_EQUAL( (int)0x78563412, (int)SWAP_ENDIAN_INT32(0x12345678) );
CPPUNIT_ASSERT_EQUAL( (int)0xFFFFFFFF, (int)SWAP_ENDIAN_INT32(0xFFFFFFFF) );
CPPUNIT_ASSERT_EQUAL( (int)0, (int)SWAP_ENDIAN_INT32(0) );
CPPUNIT_ASSERT_EQUAL( (int)0x3412, (int)SWAP_ENDIAN_INT16(0x1234) );
CPPUNIT_ASSERT_EQUAL( (int)0xFFFF, (int)SWAP_ENDIAN_INT16(0xFFFF) );
CPPUNIT_ASSERT_EQUAL( (int)0, (int)SWAP_ENDIAN_INT16(0) );
}
void testFixEndian32() {
int i=1;
int actual = 0x12345678;
FIX_ENDIAN_INT32_INPLACE(actual);
int expected;
if (((char*)&i)[0] == 1) {
// little endian
expected = 0x12345678;
}
else {
// big endian
expected = 0x78563412;
}
CPPUNIT_ASSERT_EQUAL(expected, actual);
}
void testFixEndian16() {
int i=1;
int actual = 0x1234;
FIX_ENDIAN_INT16_INPLACE(actual);
int expected;
if (((char*)&i)[0] == 1) {
// little endian
expected = 0x1234;
}
else {
// big endian
expected = 0x3412;
}
CPPUNIT_ASSERT_EQUAL(expected, actual);
}
};
CPPUNIT_TEST_SUITE_REGISTRATION( EndianTest );