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| 1 /* | 1 /* |
| 2 * Copyright 2012 The WebRTC Project Authors. All rights reserved. | 2 * Copyright 2012 The WebRTC Project Authors. All rights reserved. |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license | 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 | 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 | 6 * tree. An additional intellectual property rights grant can be found |
| 7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
| 8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
| 9 */ | 9 */ |
| 10 | 10 |
| 11 #include "webrtc/base/basictypes.h" | 11 #include "webrtc/base/basictypes.h" |
| 12 | 12 |
| 13 #include "webrtc/base/gunit.h" | 13 #include "webrtc/base/gunit.h" |
| 14 | 14 |
| 15 namespace rtc { | 15 namespace rtc { |
| 16 | 16 |
| 17 static_assert(sizeof(int8) == 1, "Unexpected size"); | |
| 18 static_assert(sizeof(uint8) == 1, "Unexpected size"); | |
| 19 static_assert(sizeof(int16) == 2, "Unexpected size"); | |
| 20 static_assert(sizeof(uint16) == 2, "Unexpected size"); | |
| 21 static_assert(sizeof(int32) == 4, "Unexpected size"); | |
| 22 static_assert(sizeof(uint32) == 4, "Unexpected size"); | |
| 23 static_assert(sizeof(int64) == 8, "Unexpected size"); | |
| 24 static_assert(sizeof(uint64) == 8, "Unexpected size"); | |
| 25 | |
| 26 TEST(BasicTypesTest, Endian) { | 17 TEST(BasicTypesTest, Endian) { |
| 27 uint16 v16 = 0x1234u; | 18 uint16_t v16 = 0x1234u; |
| 28 uint8 first_byte = *reinterpret_cast<uint8*>(&v16); | 19 uint8_t first_byte = *reinterpret_cast<uint8_t*>(&v16); |
| 29 #if defined(RTC_ARCH_CPU_LITTLE_ENDIAN) | 20 #if defined(RTC_ARCH_CPU_LITTLE_ENDIAN) |
| 30 EXPECT_EQ(0x34u, first_byte); | 21 EXPECT_EQ(0x34u, first_byte); |
| 31 #elif defined(RTC_ARCH_CPU_BIG_ENDIAN) | 22 #elif defined(RTC_ARCH_CPU_BIG_ENDIAN) |
| 32 EXPECT_EQ(0x12u, first_byte); | 23 EXPECT_EQ(0x12u, first_byte); |
| 33 #endif | 24 #endif |
| 34 } | 25 } |
| 35 | 26 |
| 36 TEST(BasicTypesTest, SizeOfTypes) { | |
| 37 int8 i8 = -1; | |
| 38 uint8 u8 = 1u; | |
| 39 int16 i16 = -1; | |
| 40 uint16 u16 = 1u; | |
| 41 int32 i32 = -1; | |
| 42 uint32 u32 = 1u; | |
| 43 int64 i64 = -1; | |
| 44 uint64 u64 = 1u; | |
| 45 EXPECT_EQ(1u, sizeof(i8)); | |
| 46 EXPECT_EQ(1u, sizeof(u8)); | |
| 47 EXPECT_EQ(2u, sizeof(i16)); | |
| 48 EXPECT_EQ(2u, sizeof(u16)); | |
| 49 EXPECT_EQ(4u, sizeof(i32)); | |
| 50 EXPECT_EQ(4u, sizeof(u32)); | |
| 51 EXPECT_EQ(8u, sizeof(i64)); | |
| 52 EXPECT_EQ(8u, sizeof(u64)); | |
| 53 EXPECT_GT(0, i8); | |
| 54 EXPECT_LT(0u, u8); | |
| 55 EXPECT_GT(0, i16); | |
| 56 EXPECT_LT(0u, u16); | |
| 57 EXPECT_GT(0, i32); | |
| 58 EXPECT_LT(0u, u32); | |
| 59 EXPECT_GT(0, i64); | |
| 60 EXPECT_LT(0u, u64); | |
| 61 } | |
| 62 | |
| 63 TEST(BasicTypesTest, SizeOfConstants) { | 27 TEST(BasicTypesTest, SizeOfConstants) { |
| 64 EXPECT_EQ(8u, sizeof(INT64_C(0))); | 28 EXPECT_EQ(8u, sizeof(INT64_C(0))); |
| 65 EXPECT_EQ(8u, sizeof(UINT64_C(0))); | 29 EXPECT_EQ(8u, sizeof(UINT64_C(0))); |
| 66 EXPECT_EQ(8u, sizeof(INT64_C(0x1234567887654321))); | 30 EXPECT_EQ(8u, sizeof(INT64_C(0x1234567887654321))); |
| 67 EXPECT_EQ(8u, sizeof(UINT64_C(0x8765432112345678))); | 31 EXPECT_EQ(8u, sizeof(UINT64_C(0x8765432112345678))); |
| 68 } | 32 } |
| 69 | 33 |
| 70 // Test CPU_ macros | 34 // Test CPU_ macros |
| 71 #if !defined(CPU_ARM) && defined(__arm__) | 35 #if !defined(CPU_ARM) && defined(__arm__) |
| 72 #error expected CPU_ARM to be defined. | 36 #error expected CPU_ARM to be defined. |
| 73 #endif | 37 #endif |
| 74 #if !defined(CPU_X86) && (defined(WEBRTC_WIN) || defined(WEBRTC_MAC) && !defined
(WEBRTC_IOS)) | 38 #if !defined(CPU_X86) && (defined(WEBRTC_WIN) || defined(WEBRTC_MAC) && !defined
(WEBRTC_IOS)) |
| 75 #error expected CPU_X86 to be defined. | 39 #error expected CPU_X86 to be defined. |
| 76 #endif | 40 #endif |
| 77 #if !defined(RTC_ARCH_CPU_LITTLE_ENDIAN) && \ | 41 #if !defined(RTC_ARCH_CPU_LITTLE_ENDIAN) && \ |
| 78 (defined(WEBRTC_WIN) || defined(WEBRTC_MAC) && !defined(WEBRTC_IOS) || defined
(CPU_X86)) | 42 (defined(WEBRTC_WIN) || defined(WEBRTC_MAC) && !defined(WEBRTC_IOS) || defined
(CPU_X86)) |
| 79 #error expected RTC_ARCH_CPU_LITTLE_ENDIAN to be defined. | 43 #error expected RTC_ARCH_CPU_LITTLE_ENDIAN to be defined. |
| 80 #endif | 44 #endif |
| 81 | 45 |
| 82 // TODO(fbarchard): Test all macros in basictypes.h | 46 // TODO(fbarchard): Test all macros in basictypes.h |
| 83 | 47 |
| 84 } // namespace rtc | 48 } // namespace rtc |
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