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 14 namespace libyuv { 15 16 TEST_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 26 TEST_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 53 TEST_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
