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| 1 /* | |
| 2 * Copyright 2012 The WebRTC 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 "webrtc/base/basictypes.h" | |
| 12 | |
| 13 #include "webrtc/base/gunit.h" | |
| 14 | |
| 15 namespace rtc { | |
| 16 | |
| 17 TEST(BasicTypesTest, Endian) { | |
| 18 uint16_t v16 = 0x1234u; | |
| 19 uint8_t first_byte = *reinterpret_cast<uint8_t*>(&v16); | |
| 20 #if defined(RTC_ARCH_CPU_LITTLE_ENDIAN) | |
| 21 EXPECT_EQ(0x34u, first_byte); | |
| 22 #elif defined(RTC_ARCH_CPU_BIG_ENDIAN) | |
| 23 EXPECT_EQ(0x12u, first_byte); | |
| 24 #endif | |
| 25 } | |
| 26 | |
| 27 TEST(BasicTypesTest, SizeOfConstants) { | |
| 28 EXPECT_EQ(8u, sizeof(INT64_C(0))); | |
| 29 EXPECT_EQ(8u, sizeof(UINT64_C(0))); | |
| 30 EXPECT_EQ(8u, sizeof(INT64_C(0x1234567887654321))); | |
| 31 EXPECT_EQ(8u, sizeof(UINT64_C(0x8765432112345678))); | |
| 32 } | |
| 33 | |
| 34 // Test CPU_ macros | |
| 35 #if !defined(CPU_ARM) && defined(__arm__) | |
| 36 #error expected CPU_ARM to be defined. | |
| 37 #endif | |
| 38 #if !defined(CPU_X86) && (defined(WEBRTC_WIN) || defined(WEBRTC_MAC) && !defined
(WEBRTC_IOS)) | |
| 39 #error expected CPU_X86 to be defined. | |
| 40 #endif | |
| 41 #if !defined(RTC_ARCH_CPU_LITTLE_ENDIAN) && \ | |
| 42 (defined(WEBRTC_WIN) || defined(WEBRTC_MAC) && !defined(WEBRTC_IOS) || defined
(CPU_X86)) | |
| 43 #error expected RTC_ARCH_CPU_LITTLE_ENDIAN to be defined. | |
| 44 #endif | |
| 45 | |
| 46 // TODO(fbarchard): Test all macros in basictypes.h | |
| 47 | |
| 48 } // namespace rtc | |
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