1/*
2 *  Copyright 2012 The LibYuv Project Authors. All rights reserved.
3 *
4 *  Use of this source code is governed by a BSD-style license
5 *  that can be found in the LICENSE file in the root of the source
6 *  tree. An additional intellectual property rights grant can be found
7 *  in the file PATENTS. All contributing project authors may
8 *  be found in the AUTHORS file in the root of the source tree.
9 */
10
11#include "../unit_test/unit_test.h"
12#include "libyuv/basic_types.h"
13
14namespace libyuv {
15
16TEST_F(libyuvTest, Endian) {
17  uint16 v16 = 0x1234u;
18  uint8 first_byte = *reinterpret_cast<uint8*>(&v16);
19#if defined(LIBYUV_LITTLE_ENDIAN)
20  EXPECT_EQ(0x34u, first_byte);
21#else
22  EXPECT_EQ(0x12u, first_byte);
23#endif
24}
25
26TEST_F(libyuvTest, SizeOfTypes) {
27  int8 i8 = -1;
28  uint8 u8 = 1u;
29  int16 i16 = -1;
30  uint16 u16 = 1u;
31  int32 i32 = -1;
32  uint32 u32 = 1u;
33  int64 i64 = -1;
34  uint64 u64 = 1u;
35  EXPECT_EQ(1u, sizeof(i8));
36  EXPECT_EQ(1u, sizeof(u8));
37  EXPECT_EQ(2u, sizeof(i16));
38  EXPECT_EQ(2u, sizeof(u16));
39  EXPECT_EQ(4u, sizeof(i32));
40  EXPECT_EQ(4u, sizeof(u32));
41  EXPECT_EQ(8u, sizeof(i64));
42  EXPECT_EQ(8u, sizeof(u64));
43  EXPECT_GT(0, i8);
44  EXPECT_LT(0u, u8);
45  EXPECT_GT(0, i16);
46  EXPECT_LT(0u, u16);
47  EXPECT_GT(0, i32);
48  EXPECT_LT(0u, u32);
49  EXPECT_GT(0, i64);
50  EXPECT_LT(0u, u64);
51}
52
53TEST_F(libyuvTest, SizeOfConstants) {
54  EXPECT_EQ(8u, sizeof(INT64_C(0)));
55  EXPECT_EQ(8u, sizeof(UINT64_C(0)));
56  EXPECT_EQ(8u, sizeof(INT64_C(0x1234567887654321)));
57  EXPECT_EQ(8u, sizeof(UINT64_C(0x8765432112345678)));
58}
59
60}  // namespace libyuv
61