1 | #include "PubSubClient.h"
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2 | #include "ShimClient.h"
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3 | #include "Buffer.h"
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4 | #include "BDDTest.h"
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5 | #include "trace.h"
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6 |
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7 |
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8 | byte server[] = { 172, 16, 0, 2 };
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9 |
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10 | bool callback_called = false;
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11 | char lastTopic[1024];
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12 | char lastPayload[1024];
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13 | unsigned int lastLength;
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14 |
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15 | void reset_callback() {
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16 | callback_called = false;
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17 | lastTopic[0] = '\0';
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18 | lastPayload[0] = '\0';
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19 | lastLength = 0;
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20 | }
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21 |
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22 | void callback(char* topic, byte* payload, unsigned int length) {
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23 | callback_called = true;
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24 | strcpy(lastTopic,topic);
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25 | memcpy(lastPayload,payload,length);
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26 | lastLength = length;
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27 | }
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28 |
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29 | int test_receive_callback() {
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30 | IT("receives a callback message");
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31 | reset_callback();
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32 |
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33 | ShimClient shimClient;
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34 | shimClient.setAllowConnect(true);
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35 |
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36 | byte connack[] = { 0x20, 0x02, 0x00, 0x00 };
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37 | shimClient.respond(connack,4);
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38 |
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39 | PubSubClient client(server, 1883, callback, shimClient);
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40 | int rc = client.connect((char*)"client_test1");
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41 | IS_TRUE(rc);
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42 |
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43 | byte publish[] = {0x30,0xe,0x0,0x5,0x74,0x6f,0x70,0x69,0x63,0x70,0x61,0x79,0x6c,0x6f,0x61,0x64};
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44 | shimClient.respond(publish,16);
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45 |
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46 | rc = client.loop();
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47 |
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48 | IS_TRUE(rc);
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49 |
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50 | IS_TRUE(callback_called);
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51 | IS_TRUE(strcmp(lastTopic,"topic")==0);
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52 | IS_TRUE(memcmp(lastPayload,"payload",7)==0);
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53 | IS_TRUE(lastLength == 7);
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54 |
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55 | IS_FALSE(shimClient.error());
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56 |
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57 | END_IT
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58 | }
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59 |
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60 | int test_receive_stream() {
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61 | IT("receives a streamed callback message");
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62 | reset_callback();
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63 |
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64 | Stream stream;
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65 | stream.expect((uint8_t*)"payload",7);
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66 |
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67 | ShimClient shimClient;
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68 | shimClient.setAllowConnect(true);
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69 |
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70 | byte connack[] = { 0x20, 0x02, 0x00, 0x00 };
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71 | shimClient.respond(connack,4);
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72 |
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73 | PubSubClient client(server, 1883, callback, shimClient, stream);
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74 | int rc = client.connect((char*)"client_test1");
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75 | IS_TRUE(rc);
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76 |
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77 | byte publish[] = {0x30,0xe,0x0,0x5,0x74,0x6f,0x70,0x69,0x63,0x70,0x61,0x79,0x6c,0x6f,0x61,0x64};
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78 | shimClient.respond(publish,16);
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79 |
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80 | rc = client.loop();
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81 |
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82 | IS_TRUE(rc);
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83 |
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84 | IS_TRUE(callback_called);
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85 | IS_TRUE(strcmp(lastTopic,"topic")==0);
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86 | IS_TRUE(lastLength == 7);
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87 |
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88 | IS_FALSE(stream.error());
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89 | IS_FALSE(shimClient.error());
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90 |
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91 | END_IT
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92 | }
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93 |
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94 | int test_receive_max_sized_message() {
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95 | IT("receives an max-sized message");
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96 | reset_callback();
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97 |
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98 | ShimClient shimClient;
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99 | shimClient.setAllowConnect(true);
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100 |
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101 | byte connack[] = { 0x20, 0x02, 0x00, 0x00 };
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102 | shimClient.respond(connack,4);
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103 |
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104 | PubSubClient client(server, 1883, callback, shimClient);
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105 | int rc = client.connect((char*)"client_test1");
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106 | IS_TRUE(rc);
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107 |
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108 | int length = MQTT_MAX_PACKET_SIZE;
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109 | byte publish[] = {0x30,length-2,0x0,0x5,0x74,0x6f,0x70,0x69,0x63,0x70,0x61,0x79,0x6c,0x6f,0x61,0x64};
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110 | byte bigPublish[length];
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111 | memset(bigPublish,'A',length);
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112 | bigPublish[length] = 'B';
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113 | memcpy(bigPublish,publish,16);
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114 | shimClient.respond(bigPublish,length);
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115 |
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116 | rc = client.loop();
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117 |
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118 | IS_TRUE(rc);
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119 |
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120 | IS_TRUE(callback_called);
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121 | IS_TRUE(strcmp(lastTopic,"topic")==0);
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122 | IS_TRUE(lastLength == length-9);
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123 | IS_TRUE(memcmp(lastPayload,bigPublish+9,lastLength)==0);
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124 |
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125 | IS_FALSE(shimClient.error());
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126 |
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127 | END_IT
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128 | }
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129 |
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130 | int test_receive_oversized_message() {
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131 | IT("drops an oversized message");
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132 | reset_callback();
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133 |
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134 | ShimClient shimClient;
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135 | shimClient.setAllowConnect(true);
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136 |
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137 | byte connack[] = { 0x20, 0x02, 0x00, 0x00 };
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138 | shimClient.respond(connack,4);
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139 |
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140 | PubSubClient client(server, 1883, callback, shimClient);
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141 | int rc = client.connect((char*)"client_test1");
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142 | IS_TRUE(rc);
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143 |
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144 | int length = MQTT_MAX_PACKET_SIZE+1;
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145 | byte publish[] = {0x30,length-2,0x0,0x5,0x74,0x6f,0x70,0x69,0x63,0x70,0x61,0x79,0x6c,0x6f,0x61,0x64};
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146 | byte bigPublish[length];
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147 | memset(bigPublish,'A',length);
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148 | bigPublish[length] = 'B';
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149 | memcpy(bigPublish,publish,16);
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150 | shimClient.respond(bigPublish,length);
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151 |
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152 | rc = client.loop();
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153 |
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154 | IS_TRUE(rc);
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155 |
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156 | IS_FALSE(callback_called);
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157 |
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158 | IS_FALSE(shimClient.error());
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159 |
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160 | END_IT
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161 | }
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162 |
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163 | int test_receive_oversized_stream_message() {
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164 | IT("drops an oversized message");
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165 | reset_callback();
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166 |
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167 | Stream stream;
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168 |
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169 | ShimClient shimClient;
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170 | shimClient.setAllowConnect(true);
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171 |
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172 | byte connack[] = { 0x20, 0x02, 0x00, 0x00 };
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173 | shimClient.respond(connack,4);
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174 |
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175 | PubSubClient client(server, 1883, callback, shimClient, stream);
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176 | int rc = client.connect((char*)"client_test1");
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177 | IS_TRUE(rc);
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178 |
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179 | int length = MQTT_MAX_PACKET_SIZE+1;
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180 | byte publish[] = {0x30,length-2,0x0,0x5,0x74,0x6f,0x70,0x69,0x63,0x70,0x61,0x79,0x6c,0x6f,0x61,0x64};
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181 |
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182 | byte bigPublish[length];
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183 | memset(bigPublish,'A',length);
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184 | bigPublish[length] = 'B';
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185 | memcpy(bigPublish,publish,16);
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186 |
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187 | shimClient.respond(bigPublish,length);
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188 | stream.expect(bigPublish+9,length-9);
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189 |
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190 | rc = client.loop();
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191 |
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192 | IS_TRUE(rc);
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193 |
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194 | IS_TRUE(callback_called);
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195 | IS_TRUE(strcmp(lastTopic,"topic")==0);
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196 | IS_TRUE(lastLength == length-9);
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197 |
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198 | IS_FALSE(stream.error());
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199 | IS_FALSE(shimClient.error());
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200 |
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201 | END_IT
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202 | }
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203 |
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204 | int test_receive_qos1() {
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205 | IT("receives a qos1 message");
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206 | reset_callback();
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207 |
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208 | ShimClient shimClient;
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209 | shimClient.setAllowConnect(true);
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210 |
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211 | byte connack[] = { 0x20, 0x02, 0x00, 0x00 };
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212 | shimClient.respond(connack,4);
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213 |
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214 | PubSubClient client(server, 1883, callback, shimClient);
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215 | int rc = client.connect((char*)"client_test1");
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216 | IS_TRUE(rc);
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217 |
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218 | byte publish[] = {0x32,0x10,0x0,0x5,0x74,0x6f,0x70,0x69,0x63,0x12,0x34,0x70,0x61,0x79,0x6c,0x6f,0x61,0x64};
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219 | shimClient.respond(publish,18);
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220 |
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221 | byte puback[] = {0x40,0x2,0x12,0x34};
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222 | shimClient.expect(puback,4);
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223 |
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224 | rc = client.loop();
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225 |
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226 | IS_TRUE(rc);
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227 |
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228 | IS_TRUE(callback_called);
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229 | IS_TRUE(strcmp(lastTopic,"topic")==0);
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230 | IS_TRUE(memcmp(lastPayload,"payload",7)==0);
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231 | IS_TRUE(lastLength == 7);
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232 |
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233 | IS_FALSE(shimClient.error());
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234 |
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235 | END_IT
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236 | }
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237 |
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238 | int main()
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239 | {
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240 | SUITE("Receive");
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241 | test_receive_callback();
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242 | test_receive_stream();
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243 | test_receive_max_sized_message();
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244 | test_receive_oversized_message();
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245 | test_receive_oversized_stream_message();
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246 | test_receive_qos1();
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247 |
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248 | FINISH
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249 | }
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