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| 1 /* | |
| 2 * Copyright 2010 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 #if defined(WEBRTC_LINUX) && !defined(WEBRTC_ANDROID) | |
| 12 #include <math.h> | |
| 13 #endif | |
| 14 | |
| 15 #include "webrtc/base/gunit.h" | |
| 16 #include "webrtc/base/latebindingsymboltable.h" | |
| 17 | |
| 18 namespace rtc { | |
| 19 | |
| 20 #if defined(WEBRTC_LINUX) && !defined(WEBRTC_ANDROID) | |
| 21 | |
| 22 #define LIBM_SYMBOLS_CLASS_NAME LibmTestSymbolTable | |
| 23 #define LIBM_SYMBOLS_LIST \ | |
| 24 X(acosf) \ | |
| 25 X(sinf) \ | |
| 26 X(tanf) | |
| 27 | |
| 28 | |
| 29 #define LATE_BINDING_SYMBOL_TABLE_CLASS_NAME LIBM_SYMBOLS_CLASS_NAME | |
| 30 #define LATE_BINDING_SYMBOL_TABLE_SYMBOLS_LIST LIBM_SYMBOLS_LIST | |
| 31 #include "webrtc/base/latebindingsymboltable.h.def" | |
| 32 | |
| 33 #define LATE_BINDING_SYMBOL_TABLE_CLASS_NAME LIBM_SYMBOLS_CLASS_NAME | |
| 34 #define LATE_BINDING_SYMBOL_TABLE_SYMBOLS_LIST LIBM_SYMBOLS_LIST | |
| 35 #define LATE_BINDING_SYMBOL_TABLE_DLL_NAME "libm.so.6" | |
| 36 #include "webrtc/base/latebindingsymboltable.cc.def" | |
| 37 | |
| 38 TEST(LateBindingSymbolTable, libm) { | |
| 39 LibmTestSymbolTable table; | |
| 40 EXPECT_FALSE(table.IsLoaded()); | |
| 41 ASSERT_TRUE(table.Load()); | |
| 42 EXPECT_TRUE(table.IsLoaded()); | |
| 43 EXPECT_EQ(table.acosf()(0.5f), acosf(0.5f)); | |
| 44 EXPECT_EQ(table.sinf()(0.5f), sinf(0.5f)); | |
| 45 EXPECT_EQ(table.tanf()(0.5f), tanf(0.5f)); | |
| 46 // It would be nice to check that the addresses are the same, but the nature | |
| 47 // of dynamic linking and relocation makes them actually be different. | |
| 48 table.Unload(); | |
| 49 EXPECT_FALSE(table.IsLoaded()); | |
| 50 } | |
| 51 | |
| 52 #else | |
| 53 #error Not implemented | |
| 54 #endif | |
| 55 | |
| 56 } // namespace rtc | |
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