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 49
