Merge "Add test for DeadObjectException when toggling logcat" into main

import static java.io.File.createTempFile;

import static java.nio.file.Files.createTempDirectory;

import android.os.DeadObjectException;

import android.os.IBinder;

import android.os.RemoteException;

import android.platform.test.annotations.Presubmit;

        Mockito.verify(mMockClient).toggleLogcat(eq(true),

                Mockito.argThat(it -> it.length == 1 && it[0].equals(TEST_GROUP)));

    }

    @Test

    public void doesNotThrowWhenClientDiesDuringToggle() throws RemoteException {

        // Verifies that a DeadObjectException is caught and handled gracefully.

        final var service = new ProtoLogConfigurationServiceImpl();

        final var mockPrintWriter = Mockito.mock(PrintWriter.class);

        // Register a client.

        final RegisterClientArgs args = new RegisterClientArgs();

        args.groups = new String[] { TEST_GROUP };

        args.groupsDefaultLogcatStatus = new boolean[] { false };

        service.registerClient(mMockClient, args);

        // Configure the mock client to throw DeadObjectException when toggleLogcat is called,

        // simulating a client process that has died.

        Mockito.doThrow(new DeadObjectException("Client died"))

                .when(mMockClient).toggleLogcat(anyBoolean(), any());

        // Call the method under test. This should not throw an exception.

        service.enableProtoLogToLogcat(mockPrintWriter, TEST_GROUP);

        // Verify that the service attempted to call the client.

        Mockito.verify(mMockClient).toggleLogcat(eq(true),

                Mockito.argThat(it -> it.length == 1 && it[0].equals(TEST_GROUP)));

        // Verify that the failure was reported to the PrintWriter.

        Mockito.verify(mockPrintWriter).println("- Failed (client may have died)");

    }

}