flywithu/usb-serial-for-android
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Code Issues Releases Wiki Activity

improve error quality + test for PR #339

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This commit is contained in:
kai-morich 2021-01-31 19:56:43 +01:00
parent fc610a9764
commit 85d0348844
2 changed files with 4 additions and 1 deletions
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2
usbSerialForAndroid/src/androidTest/java/com/hoho/android/usbserial/DeviceTest.java
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@ -1846,7 +1846,7 @@ public class DeviceTest {
try { try {
usb.open(EnumSet.of(UsbWrapper.OpenCloseFlags.NO_IOMANAGER_THREAD, UsbWrapper.OpenCloseFlags.NO_DEVICE_CONNECTION)); usb.open(EnumSet.of(UsbWrapper.OpenCloseFlags.NO_IOMANAGER_THREAD, UsbWrapper.OpenCloseFlags.NO_DEVICE_CONNECTION));
fail("open error expected"); fail("open error expected");
} catch (IOException ignored) { } catch (Exception ignored) {
} }
usb.open(EnumSet.of(UsbWrapper.OpenCloseFlags.NO_IOMANAGER_THREAD)); usb.open(EnumSet.of(UsbWrapper.OpenCloseFlags.NO_IOMANAGER_THREAD));

3
usbSerialForAndroid/src/main/java/com/hoho/android/usbserial/driver/CommonUsbSerialPort.java
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@ -93,6 +93,9 @@ public abstract class CommonUsbSerialPort implements UsbSerialPort {
if (mConnection != null) { if (mConnection != null) {
throw new IOException("Already open"); throw new IOException("Already open");
} }
if(connection == null) {
throw new IllegalArgumentException("Connection is null");
}
mConnection = connection; mConnection = connection;
try { try {
openInt(connection); openInt(connection);