forked from 0ad/0ad
janwas
a34b759720
. timer, config: fix definition of ALLOW_RDTSC . add movsx_be64 (for whirlpool), revise implementation, move to byte_order, add test . MAX -> std::max, remove those macros . add timestamp to system_info as requested by philip This was SVN commit r5050.
76 lines
2.5 KiB
C++
76 lines
2.5 KiB
C++
#include "lib/self_test.h"
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#include "lib/byte_order.h"
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class TestByteOrder : public CxxTest::TestSuite
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{
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public:
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void test_conversion()
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{
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const u32 x = 0x01234567u;
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const u8 LS_byte = *(u8*)&x;
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// little endian
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if(LS_byte == 0x67)
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{
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TS_ASSERT_EQUALS(to_le16(0x0123u), 0x0123u);
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TS_ASSERT_EQUALS(to_le32(0x01234567u), 0x01234567u);
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TS_ASSERT_EQUALS(to_le64(0x0123456789ABCDEFull), 0x0123456789ABCDEFull);
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TS_ASSERT_EQUALS(to_be16(0x0123u), 0x2301u);
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TS_ASSERT_EQUALS(to_be32(0x01234567u), 0x67452301u);
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TS_ASSERT_EQUALS(to_be64(0x0123456789ABCDEFull), 0xEFCDAB8967452301ull);
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}
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// big endian
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else if(LS_byte == 0x01)
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{
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TS_ASSERT_EQUALS(to_le16(0x0123u), 0x2301u);
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TS_ASSERT_EQUALS(to_le32(0x01234567u), 0x67452301u);
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TS_ASSERT_EQUALS(to_le64(0x0123456789ABCDEFull), 0xEFCDAB8967452301ull);
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TS_ASSERT_EQUALS(to_be16(0x0123u), 0x0123u);
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TS_ASSERT_EQUALS(to_be32(0x01234567u), 0x01234567u);
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TS_ASSERT_EQUALS(to_be64(0x0123456789ABCDEFull), 0x0123456789ABCDEFull);
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}
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else
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TS_FAIL("endian determination failed");
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// note: no need to test read_?e* / write_?e* - they are
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// trivial wrappers on top of to_?e*.
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}
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void test_movzx()
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{
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const u8 d1[] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 };
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const u8 d2[] = { 0x43, 0x12, 0x23, 0xA4 };
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TS_ASSERT_EQUALS(movzx_le64(d1, 1), 0x01ull);
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TS_ASSERT_EQUALS(movzx_le64(d1, 2), 0x0201ull);
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TS_ASSERT_EQUALS(movzx_le64(d1, 8), 0x0807060504030201ull);
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TS_ASSERT_EQUALS(movzx_le64(d2, 4), 0xA4231243ull);
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TS_ASSERT_EQUALS(movzx_le64(d2+3, 1), 0xA4ull);
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TS_ASSERT_EQUALS(movzx_be64(d1, 1), 0x01ull);
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TS_ASSERT_EQUALS(movzx_be64(d1, 2), 0x0102ull);
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TS_ASSERT_EQUALS(movzx_be64(d1, 8), 0x0102030405060708ull);
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TS_ASSERT_EQUALS(movzx_be64(d2, 4), 0x431223A4ull);
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TS_ASSERT_EQUALS(movzx_be64(d2+3, 1), 0xA4ull);
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}
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void test_movsx()
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{
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const u8 d1[] = { 0x09, 0xFE };
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const u8 d2[] = { 0xD9, 0x2C, 0xDD, 0x8F };
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const u8 d3[] = { 0x92, 0x26, 0x88, 0xF1, 0x35, 0xAC, 0x01, 0x83 };
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TS_ASSERT_EQUALS(movsx_le64(d1, 1), 0x09ull);
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TS_ASSERT_EQUALS(movsx_le64(d1, 2), 0xFFFFFFFFFFFFFE09ull);
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TS_ASSERT_EQUALS(movsx_le64(d2, 4), 0xFFFFFFFF8FDD2CD9ull);
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TS_ASSERT_EQUALS(movsx_le64(d3, 8), 0x8301AC35F1882692ull);
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TS_ASSERT_EQUALS(movsx_be64(d1, 1), 0x09ull);
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TS_ASSERT_EQUALS(movsx_be64(d1, 2), 0x00000000000009FEull);
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TS_ASSERT_EQUALS(movsx_be64(d2, 4), 0xFFFFFFFFD92CDD8Full);
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TS_ASSERT_EQUALS(movsx_be64(d3, 8), 0x922688F135AC0183ull);
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}
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};
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