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 57
