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Code Issues Releases Wiki Activity

make all SerialPort classes public

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and test FtdiSerialPort methods
This commit is contained in:
kai-morich
2020-06-08 21:57:16 +02:00
parent 33149b66fd
commit 735fa3d70f
12 changed files with 101 additions and 44 deletions
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usbSerialForAndroid/src/androidTest/java/com/hoho/android/usbserial/DeviceTest.java
+54
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@@ -65,6 +65,7 @@ import static org.hamcrest.CoreMatchers.equalTo;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
@@ -1675,4 +1676,57 @@ public class DeviceTest implements SerialInputOutputManager.Listener {
} catch (IOException ignored) {
}
}
@Test
public void commonMethods() throws Exception {
String s;
assertNotNull(usbSerialPort.getDriver());
assertNotNull(usbSerialPort.getDevice());
assertEquals(test_device_port, usbSerialPort.getPortNumber());
s = usbSerialDriver.toString();
assertNotEquals(0, s.length());
assertFalse(usbSerialPort.isOpen());
usbOpen();
assertTrue(usbSerialPort.isOpen());
s = usbSerialPort.getSerial();
// with target sdk 29 can throw SecurityException before USB permission dialog is confirmed
// not all devices implement serial numbers. some observed values are:
// FT232 00000000, FTGH4NTX, ...
// FT2232 <null>
// CP2102 0001
// CP2105 0035E46E
// CH340 <null>
// PL2303 <null>
// CDC:Microbit 9900000037024e450034200b0000004a0000000097969901
// CDC:Digispark <null>
}
@Test
public void ftdiMethods() throws Exception {
if(!(usbSerialDriver instanceof FtdiSerialDriver))
return;
byte[] b;
usbOpen();
usbParameters(115200, 8, 1, UsbSerialPort.PARITY_NONE);
telnetParameters(115200, 8, 1, UsbSerialPort.PARITY_NONE);
FtdiSerialDriver.FtdiSerialPort ftdiSerialPort = (FtdiSerialDriver.FtdiSerialPort) usbSerialPort;
int lt = ftdiSerialPort.getLatencyTimer();
ftdiSerialPort.setLatencyTimer(1);
telnetWrite("x".getBytes());
b = usbRead(1);
long t1 = System.currentTimeMillis();
telnetWrite("x".getBytes());
b = usbRead(1);
ftdiSerialPort.setLatencyTimer(100);
long t2 = System.currentTimeMillis();
telnetWrite("x".getBytes());
b = usbRead(1);
long t3 = System.currentTimeMillis();
ftdiSerialPort.setLatencyTimer(lt);
assertEquals("latency 1", 99, Math.max(t2-t1, 99)); // looks strange, but shows actual value
assertEquals("latency 100", 99, Math.min(t3-t2, 99));
}
}