1 /* 2 * Copyright 2014 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/sigslottester.h" 12 13 #include <string> 14 15 #include "webrtc/base/gunit.h" 16 #include "webrtc/base/sigslot.h" 17 18 namespace rtc { 19 20 TEST(SigslotTester, TestSignal1Arg) { 21 sigslot::signal1<int> source1; 22 int capture1; 23 SigslotTester1<int, int> slot1(&source1, &capture1); 24 EXPECT_EQ(0, slot1.callback_count()); 25 26 source1.emit(10); 27 EXPECT_EQ(1, slot1.callback_count()); 28 EXPECT_EQ(10, capture1); 29 30 source1.emit(20); 31 EXPECT_EQ(2, slot1.callback_count()); 32 EXPECT_EQ(20, capture1); 33 } 34 35 TEST(SigslotTester, TestSignal2Args) { 36 sigslot::signal2<int, char> source2; 37 int capture1; 38 char capture2; 39 SigslotTester2<int, char, int, char> slot2(&source2, &capture1, &capture2); 40 EXPECT_EQ(0, slot2.callback_count()); 41 42 source2.emit(10, 'x'); 43 EXPECT_EQ(1, slot2.callback_count()); 44 EXPECT_EQ(10, capture1); 45 EXPECT_EQ('x', capture2); 46 47 source2.emit(20, 'y'); 48 EXPECT_EQ(2, slot2.callback_count()); 49 EXPECT_EQ(20, capture1); 50 EXPECT_EQ('y', capture2); 51 } 52 53 // Since it applies for 1 and 2 args, we assume it will work for up to 5 args. 54 55 TEST(SigslotTester, TestSignalWithConstReferenceArgs) { 56 sigslot::signal1<const std::string&> source1; 57 std::string capture1; 58 SigslotTester1<const std::string&, std::string> slot1(&source1, &capture1); 59 EXPECT_EQ(0, slot1.callback_count()); 60 source1.emit("hello"); 61 EXPECT_EQ(1, slot1.callback_count()); 62 EXPECT_EQ("hello", capture1); 63 } 64 65 TEST(SigslotTester, TestSignalWithPointerToConstArgs) { 66 sigslot::signal1<const std::string*> source1; 67 const std::string* capture1; 68 SigslotTester1<const std::string*, const std::string*> slot1(&source1, 69 &capture1); 70 EXPECT_EQ(0, slot1.callback_count()); 71 source1.emit(NULL); 72 EXPECT_EQ(1, slot1.callback_count()); 73 EXPECT_EQ(NULL, capture1); 74 } 75 76 TEST(SigslotTester, TestSignalWithConstPointerArgs) { 77 sigslot::signal1<std::string* const> source1; 78 std::string* capture1; 79 SigslotTester1<std::string* const, std::string*> slot1(&source1, &capture1); 80 EXPECT_EQ(0, slot1.callback_count()); 81 source1.emit(NULL); 82 EXPECT_EQ(1, slot1.callback_count()); 83 EXPECT_EQ(NULL, capture1); 84 } 85 86 } // namespace rtc 87