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//
// Test Suite for geos::io::ByteOrderValues
// tut
#include <tut/tut.hpp>
// geos
#include <geos/io/ByteOrderValues.h>
#include <geos/constants.h> // for int64
namespace tut {
//
// Test Group
//
// dummy data, not used
struct test_byteordervalues_data {
};
typedef test_group<test_byteordervalues_data> group;
typedef group::object object;
group test_byteordervalues_group("geos::io::ByteOrderValues");
//
// Test Cases
//
// 1 - Read/write an int
template<>
template<>
void object::test<1>
()
{
using geos::io::ByteOrderValues;
unsigned char buf[4];
int in = 1;
int out;
ByteOrderValues::putInt(in, buf, ByteOrderValues::ENDIAN_BIG);
ensure("putInt big endian[0]", buf[0] == 0);
ensure("putInt big endian[1]", buf[1] == 0);
ensure("putInt big endian[2]", buf[2] == 0);
ensure("putInt big endian[3]", buf[3] == 1);
out = ByteOrderValues::getInt(buf,
geos::io::ByteOrderValues::ENDIAN_BIG);
ensure_equals("getInt big endian", out, in);
ByteOrderValues::putInt(1, buf, geos::io::ByteOrderValues::ENDIAN_LITTLE);
ensure("putInt little endian[0]", buf[0] == 1);
ensure("putInt little endian[1]", buf[1] == 0);
ensure("putInt little endian[2]", buf[2] == 0);
ensure("putInt little endian[3]", buf[3] == 0);
out = ByteOrderValues::getInt(buf,
ByteOrderValues::ENDIAN_LITTLE);
ensure_equals("getInt little endian", out, in);
}
// 2 - Read/write a double
template<>
template<>
void object::test<2>
()
{
using geos::io::ByteOrderValues;
unsigned char buf[8];
double in = 2;
double out;
ByteOrderValues::putDouble(in, buf,
ByteOrderValues::ENDIAN_BIG);
ensure("putDouble big endian[0]", buf[0] == 64);
ensure("putDouble big endian[1]", buf[1] == 0);
ensure("putDouble big endian[2]", buf[2] == 0);
ensure("putDouble big endian[3]", buf[3] == 0);
ensure("putDouble big endian[4]", buf[4] == 0);
ensure("putDouble big endian[5]", buf[5] == 0);
ensure("putDouble big endian[6]", buf[6] == 0);
ensure("putDouble big endian[7]", buf[7] == 0);
out = ByteOrderValues::getDouble(buf,
ByteOrderValues::ENDIAN_BIG);
ensure_equals("getDouble big endian", out, in);
ByteOrderValues::putDouble(in, buf,
ByteOrderValues::ENDIAN_LITTLE);
ensure("putDouble little endian[0]", buf[0] == 0);
ensure("putDouble little endian[1]", buf[1] == 0);
ensure("putDouble little endian[2]", buf[2] == 0);
ensure("putDouble little endian[3]", buf[3] == 0);
ensure("putDouble little endian[4]", buf[4] == 0);
ensure("putDouble little endian[5]", buf[5] == 0);
ensure("putDouble little endian[6]", buf[6] == 0);
ensure("putDouble little endian[7]", buf[7] == 64);
out = ByteOrderValues::getDouble(buf,
ByteOrderValues::ENDIAN_LITTLE);
ensure_equals("getDouble little endian", out, in);
}
// 3 - Read/write a long
template<>
template<>
void object::test<3>
()
{
using geos::io::ByteOrderValues;
unsigned char buf[8];
long in = 2;
long out;
ByteOrderValues::putLong(in, buf,
ByteOrderValues::ENDIAN_BIG);
ensure("putLong big endian[0]", buf[0] == 0);
ensure("putLong big endian[1]", buf[1] == 0);
ensure("putLong big endian[2]", buf[2] == 0);
ensure("putLong big endian[3]", buf[3] == 0);
ensure("putLong big endian[4]", buf[4] == 0);
ensure("putLong big endian[5]", buf[5] == 0);
ensure("putLong big endian[6]", buf[6] == 0);
ensure("putLong big endian[7]", buf[7] == 2);
out = static_cast<long>(ByteOrderValues::getLong(buf, ByteOrderValues::ENDIAN_BIG));
ensure_equals("getLong big endian", out, in);
ByteOrderValues::putLong(in, buf,
ByteOrderValues::ENDIAN_LITTLE);
ensure("putLong little endian[0]", buf[0] == 2);
ensure("putLong little endian[1]", buf[1] == 0);
ensure("putLong little endian[2]", buf[2] == 0);
ensure("putLong little endian[3]", buf[3] == 0);
ensure("putLong little endian[4]", buf[4] == 0);
ensure("putLong little endian[5]", buf[5] == 0);
ensure("putLong little endian[6]", buf[6] == 0);
ensure("putLong little endian[7]", buf[7] == 0);
out = static_cast<long>(ByteOrderValues::getLong(buf, ByteOrderValues::ENDIAN_LITTLE));
ensure_equals("getLong little endian", out, in);
}
// 4 - Read/write an unsigned int
template<>
template<>
void object::test<4>()
{
using geos::io::ByteOrderValues;
unsigned char buf[4];
uint32_t in = 3210000003;
uint32_t out;
ByteOrderValues::putUnsigned(in, buf, ByteOrderValues::ENDIAN_BIG);
ensure("putUnsigned big endian[0]", buf[0] == 0xbf);
ensure("putUnsigned big endian[1]", buf[1] == 0x54);
ensure("putUnsigned big endian[2]", buf[2] == 0xb6);
ensure("putUnsigned big endian[3]", buf[3] == 0x83);
out = ByteOrderValues::getUnsigned(buf,
geos::io::ByteOrderValues::ENDIAN_BIG);
ensure_equals("getInt big endian", out, in);
ByteOrderValues::putUnsigned(in, buf, geos::io::ByteOrderValues::ENDIAN_LITTLE);
ensure("putUnsigned little endian[0]", buf[0] == 0x83);
ensure("putUnsigned little endian[1]", buf[1] == 0xb6);
ensure("putUnsigned little endian[2]", buf[2] == 0x54);
ensure("pUtnsigned little endian[3]", buf[3] == 0xbf);
out = ByteOrderValues::getUnsigned(buf,
ByteOrderValues::ENDIAN_LITTLE);
ensure_equals("getInt little endian", out, in);
}
} // namespace tut
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