| 153 | } |
| 154 | |
| 155 | void |
| 156 | SerialPortUnitTests::testSerialPortFlushInputBuffer() |
| 157 | { |
| 158 | serialPort1.Open(TEST_SERIAL_PORT_1) ; |
| 159 | serialPort2.Open(TEST_SERIAL_PORT_2) ; |
| 160 | |
| 161 | ASSERT_TRUE(serialPort1.IsOpen()) ; |
| 162 | ASSERT_TRUE(serialPort2.IsOpen()) ; |
| 163 | |
| 164 | serialPort1.FlushInputBuffer() ; |
| 165 | serialPort2.FlushInputBuffer() ; |
| 166 | |
| 167 | ASSERT_FALSE(serialPort1.IsDataAvailable()) ; |
| 168 | ASSERT_FALSE(serialPort2.IsDataAvailable()) ; |
| 169 | |
| 170 | char writeByte = 'A'; |
| 171 | |
| 172 | serialPort1.WriteByte(writeByte) ; |
| 173 | serialPort2.WriteByte(writeByte) ; |
| 174 | |
| 175 | serialPort1.DrainWriteBuffer() ; |
| 176 | serialPort2.DrainWriteBuffer() ; |
| 177 | |
| 178 | // Allow time for the read buffers to show that data is available. |
| 179 | usleep(readBufferDelay) ; |
| 180 | |
| 181 | ASSERT_TRUE(serialPort1.IsDataAvailable()) ; |
| 182 | ASSERT_TRUE(serialPort2.IsDataAvailable()) ; |
| 183 | |
| 184 | serialPort1.FlushInputBuffer() ; |
| 185 | serialPort2.FlushInputBuffer() ; |
| 186 | |
| 187 | ASSERT_FALSE(serialPort1.IsDataAvailable()) ; |
| 188 | ASSERT_FALSE(serialPort2.IsDataAvailable()) ; |
| 189 | |
| 190 | serialPort1.Close() ; |
| 191 | serialPort2.Close() ; |
| 192 | |
| 193 | ASSERT_FALSE(serialPort1.IsOpen()) ; |
| 194 | ASSERT_FALSE(serialPort2.IsOpen()) ; |
| 195 | } |
| 196 | |
| 197 | void |
| 198 | SerialPortUnitTests::testSerialPortFlushOutputBuffer() |
nothing calls this directly
no test coverage detected