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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(acos) \
25   X(sin) \
26   X(tan)
27 
28 #define LATE_BINDING_SYMBOL_TABLE_CLASS_NAME LIBM_SYMBOLS_CLASS_NAME
29 #define LATE_BINDING_SYMBOL_TABLE_SYMBOLS_LIST LIBM_SYMBOLS_LIST
30 #include "webrtc/base/latebindingsymboltable.h.def"
31 
32 #define LATE_BINDING_SYMBOL_TABLE_CLASS_NAME LIBM_SYMBOLS_CLASS_NAME
33 #define LATE_BINDING_SYMBOL_TABLE_SYMBOLS_LIST LIBM_SYMBOLS_LIST
34 #define LATE_BINDING_SYMBOL_TABLE_DLL_NAME "libm.so.6"
35 #include "webrtc/base/latebindingsymboltable.cc.def"
36 
TEST(LateBindingSymbolTable,libm)37 TEST(LateBindingSymbolTable, libm) {
38   LibmTestSymbolTable table;
39   EXPECT_FALSE(table.IsLoaded());
40   ASSERT_TRUE(table.Load());
41   EXPECT_TRUE(table.IsLoaded());
42   EXPECT_EQ(table.acos()(0.5), acos(0.5));
43   EXPECT_EQ(table.sin()(0.5), sin(0.5));
44   EXPECT_EQ(table.tan()(0.5), tan(0.5));
45   // It would be nice to check that the addresses are the same, but the nature
46   // of dynamic linking and relocation makes them actually be different.
47   table.Unload();
48   EXPECT_FALSE(table.IsLoaded());
49 }
50 
51 #else
52 #error Not implemented
53 #endif
54 
55 }  // namespace rtc
56