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
15namespace rtc {
16
17TEST(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
27TEST(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