EndianTest.cpp File Reference

#include <folly/lang/Bits.h>
#include <folly/portability/GTest.h>

Go to the source code of this file.

Macros
#define	GEN1(sz)
#define	GEN(sz)

Functions
	TEST (Endian, Basic)

Macro Definition Documentation

#define GEN

(

sz

)

Value:

EXPECT_EQ(v##sz##s, Endian::swap(v##sz));     \
  EXPECT_EQ(v##sz##s, Endian::swap##sz(v##sz)); \
  GEN1(sz);

Referenced by TEST().

#define GEN1

(

sz

)

Value:

EXPECT_EQ(v##sz, Endian::little(v##sz));     \
  EXPECT_EQ(v##sz, Endian::little##sz(v##sz)); \
  EXPECT_EQ(v##sz##s, Endian::big(v##sz));     \
  EXPECT_EQ(v##sz##s, Endian::big##sz(v##sz));

Function Documentation

TEST	(	Endian	,
		Basic
	)

Definition at line 23 of file EndianTest.cpp.

References GEN, uint16_t, uint32_t, uint64_t, and uint8_t.

                    {
  uint8_t v8 = 0x12;
  uint8_t v8s = 0x12;
  uint16_t v16 = 0x1234;
  uint16_t v16s = 0x3412;
  uint32_t v32 = 0x12345678;
  uint32_t v32s = 0x78563412;
  uint64_t v64 = 0x123456789abcdef0ULL;
  uint64_t v64s = 0xf0debc9a78563412ULL;

#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__

#define GEN1(sz)                               \
  EXPECT_EQ(v##sz, Endian::little(v##sz));     \
  EXPECT_EQ(v##sz, Endian::little##sz(v##sz)); \
  EXPECT_EQ(v##sz##s, Endian::big(v##sz));     \
  EXPECT_EQ(v##sz##s, Endian::big##sz(v##sz));

#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__

#define GEN1(sz)                                  \
  EXPECT_EQ(v##sz##s, Endian::little(v##sz));     \
  EXPECT_EQ(v##sz##s, Endian::little##sz(v##sz)); \
  EXPECT_EQ(v##sz, Endian::big(v##sz));           \
  EXPECT_EQ(v##sz, Endian::big##sz(v##sz));

#else
#error Your machine uses a weird endianness!
#endif /* __BYTE_ORDER__ */

#define GEN(sz)                                 \
  EXPECT_EQ(v##sz##s, Endian::swap(v##sz));     \
  EXPECT_EQ(v##sz##s, Endian::swap##sz(v##sz)); \
  GEN1(sz);

  GEN(8);
  GEN(16)
  GEN(32)
  GEN(64)

#undef GEN
#undef GEN1
}