Examples with NonReadableChannelException java.nio.channels.NonReadableChannelException used on opensource projects

Example 1 with NonReadableChannelException

use of java.nio.channels.NonReadableChannelException in project robovm by robovm.

the class NonReadableChannelExceptionTest method test_Constructor.

/**
     * @tests {@link java.nio.channels.NonReadableChannelException#NonReadableChannelException()}
     */
public void test_Constructor() {
    NonReadableChannelException e = new NonReadableChannelException();
    assertNull(e.getMessage());
    assertNull(e.getLocalizedMessage());
    assertNull(e.getCause());
}

Example 2 with NonReadableChannelException

use of java.nio.channels.NonReadableChannelException in project robovm by robovm.

the class FileChannelTest method test_readLByteBuffer_WriteOnly.

public void test_readLByteBuffer_WriteOnly() throws Exception {
    ByteBuffer readBuffer = ByteBuffer.allocate(CAPACITY);
    try {
        writeOnlyFileChannel.read(readBuffer);
        fail();
    } catch (NonReadableChannelException expected) {
    }
    readBuffer = null;
    try {
        writeOnlyFileChannel.read(readBuffer);
        fail();
    } catch (NonReadableChannelException expected) {
    } catch (NullPointerException expected) {
    }
}

Example 3 with NonReadableChannelException

use of java.nio.channels.NonReadableChannelException in project jimfs by google.

the class JimfsUnixLikeFileSystemTest method testRegularFileAccessAndModifiedTimeUpdates.

@Test
public void testRegularFileAccessAndModifiedTimeUpdates() throws IOException {
    Path foo = path("foo");
    Files.createFile(foo);
    FileTimeTester tester = new FileTimeTester(foo);
    tester.assertAccessTimeDidNotChange();
    tester.assertModifiedTimeDidNotChange();
    Uninterruptibles.sleepUninterruptibly(1, MILLISECONDS);
    try (FileChannel channel = FileChannel.open(foo, READ)) {
        // opening READ channel does not change times
        tester.assertAccessTimeDidNotChange();
        tester.assertModifiedTimeDidNotChange();
        Uninterruptibles.sleepUninterruptibly(1, MILLISECONDS);
        channel.read(ByteBuffer.allocate(100));
        // read call on channel does
        tester.assertAccessTimeChanged();
        tester.assertModifiedTimeDidNotChange();
        Uninterruptibles.sleepUninterruptibly(1, MILLISECONDS);
        channel.read(ByteBuffer.allocate(100));
        tester.assertAccessTimeChanged();
        tester.assertModifiedTimeDidNotChange();
        Uninterruptibles.sleepUninterruptibly(1, MILLISECONDS);
        try {
            channel.write(ByteBuffer.wrap(new byte[] { 0, 1, 2, 3 }));
        } catch (NonWritableChannelException ignore) {
        }
        // failed write on non-readable channel does not change times
        tester.assertAccessTimeDidNotChange();
        tester.assertModifiedTimeDidNotChange();
        Uninterruptibles.sleepUninterruptibly(1, MILLISECONDS);
    }
    // closing channel does not change times
    tester.assertAccessTimeDidNotChange();
    tester.assertModifiedTimeDidNotChange();
    Uninterruptibles.sleepUninterruptibly(1, MILLISECONDS);
    try (FileChannel channel = FileChannel.open(foo, WRITE)) {
        // opening WRITE channel does not change times
        tester.assertAccessTimeDidNotChange();
        tester.assertModifiedTimeDidNotChange();
        Uninterruptibles.sleepUninterruptibly(1, MILLISECONDS);
        channel.write(ByteBuffer.wrap(new byte[] { 0, 1, 2, 3 }));
        // write call on channel does
        tester.assertAccessTimeDidNotChange();
        tester.assertModifiedTimeChanged();
        Uninterruptibles.sleepUninterruptibly(1, MILLISECONDS);
        channel.write(ByteBuffer.wrap(new byte[] { 4, 5, 6, 7 }));
        tester.assertAccessTimeDidNotChange();
        tester.assertModifiedTimeChanged();
        Uninterruptibles.sleepUninterruptibly(1, MILLISECONDS);
        try {
            channel.read(ByteBuffer.allocate(100));
        } catch (NonReadableChannelException ignore) {
        }
        // failed read on non-readable channel does not change times
        tester.assertAccessTimeDidNotChange();
        tester.assertModifiedTimeDidNotChange();
        Uninterruptibles.sleepUninterruptibly(1, MILLISECONDS);
    }
    // closing channel does not change times
    tester.assertAccessTimeDidNotChange();
    tester.assertModifiedTimeDidNotChange();
}

Example 4 with NonReadableChannelException

use of java.nio.channels.NonReadableChannelException in project jimfs by google.

the class JimfsFileChannelTest method testReadsInWriteOnlyMode.

@Test
public void testReadsInWriteOnlyMode() throws IOException {
    FileChannel channel = channel(regularFile(0), WRITE);
    try {
        channel.read(buffer("111"));
        fail();
    } catch (NonReadableChannelException expected) {
    }
    try {
        channel.read(buffer("111"), 10);
        fail();
    } catch (NonReadableChannelException expected) {
    }
    try {
        channel.read(new ByteBuffer[] { buffer("111"), buffer("111") });
        fail();
    } catch (NonReadableChannelException expected) {
    }
    try {
        channel.read(new ByteBuffer[] { buffer("111"), buffer("111") }, 0, 2);
        fail();
    } catch (NonReadableChannelException expected) {
    }
    try {
        channel.transferTo(0, 10, new ByteBufferChannel(buffer("111")));
        fail();
    } catch (NonReadableChannelException expected) {
    }
    try {
        channel.lock(0, 10, true);
        fail();
    } catch (NonReadableChannelException expected) {
    }
}

Example 5 with NonReadableChannelException

use of java.nio.channels.NonReadableChannelException in project j2objc by google.

the class FileChannelImpl method basicLock.

private FileLock basicLock(long position, long size, boolean shared, boolean wait) throws IOException {
    int accessMode = (mode & O_ACCMODE);
    if (accessMode == O_RDONLY) {
        if (!shared) {
            throw new NonWritableChannelException();
        }
    } else if (accessMode == O_WRONLY) {
        if (shared) {
            throw new NonReadableChannelException();
        }
    }
    if (position < 0 || size < 0) {
        throw new IllegalArgumentException("position=" + position + " size=" + size);
    }
    FileLock pendingLock = new FileLockImpl(this, position, size, shared);
    addLock(pendingLock);
    StructFlock flock = new StructFlock();
    flock.l_type = (short) (shared ? F_RDLCK : F_WRLCK);
    flock.l_whence = (short) SEEK_SET;
    flock.l_start = position;
    flock.l_len = translateLockLength(size);
    boolean success = false;
    try {
        success = (Libcore.os.fcntlFlock(fd, wait ? F_SETLKW64 : F_SETLK64, flock) != -1);
    } catch (ErrnoException errnoException) {
        throw errnoException.rethrowAsIOException();
    } finally {
        if (!success) {
            removeLock(pendingLock);
        }
    }
    return success ? pendingLock : null;
}