Examples with UnsafeBuffer org.agrona.concurrent.UnsafeBuffer used on opensource projects

Example 51 with UnsafeBuffer

use of org.agrona.concurrent.UnsafeBuffer in project Aeron by real-logic.

the class BufferBuilderTest method shouldFillBufferWithoutResizing.

@Test
public void shouldFillBufferWithoutResizing() {
    final int bufferLength = 128;
    final byte[] buffer = new byte[bufferLength];
    Arrays.fill(buffer, (byte) 7);
    final UnsafeBuffer srcBuffer = new UnsafeBuffer(buffer);
    final BufferBuilder bufferBuilder = new BufferBuilder(bufferLength);
    bufferBuilder.append(srcBuffer, 0, bufferLength);
    final byte[] temp = new byte[bufferLength];
    bufferBuilder.buffer().getBytes(0, temp, 0, bufferLength);
    assertThat(bufferBuilder.limit(), is(bufferLength));
    assertThat(bufferBuilder.capacity(), is(bufferLength));
    assertArrayEquals(temp, buffer);
}

Example 52 with UnsafeBuffer

use of org.agrona.concurrent.UnsafeBuffer in project Aeron by real-logic.

the class BufferBuilderTest method shouldResizeWhenBufferJustDoesNotFit.

@Test
public void shouldResizeWhenBufferJustDoesNotFit() {
    final int bufferLength = 128;
    final byte[] buffer = new byte[bufferLength + 1];
    Arrays.fill(buffer, (byte) 7);
    final UnsafeBuffer srcBuffer = new UnsafeBuffer(buffer);
    final BufferBuilder bufferBuilder = new BufferBuilder(bufferLength);
    bufferBuilder.append(srcBuffer, 0, buffer.length);
    final byte[] temp = new byte[buffer.length];
    bufferBuilder.buffer().getBytes(0, temp, 0, buffer.length);
    assertThat(bufferBuilder.limit(), is(buffer.length));
    assertThat(bufferBuilder.capacity(), greaterThan(bufferLength));
    assertArrayEquals(temp, buffer);
}

Example 53 with UnsafeBuffer

use of org.agrona.concurrent.UnsafeBuffer in project Aeron by real-logic.

the class BufferBuilderTest method shouldAppendTwoBuffersWithoutResizing.

@Test
public void shouldAppendTwoBuffersWithoutResizing() {
    final UnsafeBuffer srcBuffer = new UnsafeBuffer(new byte[INITIAL_CAPACITY]);
    final byte[] bytes = "1111111122222222".getBytes(StandardCharsets.UTF_8);
    srcBuffer.putBytes(0, bytes, 0, bytes.length);
    bufferBuilder.append(srcBuffer, 0, bytes.length / 2);
    bufferBuilder.append(srcBuffer, bytes.length / 2, bytes.length / 2);
    final byte[] temp = new byte[bytes.length];
    bufferBuilder.buffer().getBytes(0, temp, 0, bytes.length);
    assertThat(bufferBuilder.limit(), is(bytes.length));
    assertThat(bufferBuilder.capacity(), is(INITIAL_CAPACITY));
    assertArrayEquals(temp, bytes);
}

Example 54 with UnsafeBuffer

use of org.agrona.concurrent.UnsafeBuffer in project Aeron by real-logic.

the class BufferBuilderTest method shouldAppendNothingForZeroLength.

@Test
public void shouldAppendNothingForZeroLength() {
    final UnsafeBuffer srcBuffer = new UnsafeBuffer(new byte[INITIAL_CAPACITY]);
    bufferBuilder.append(srcBuffer, 0, 0);
    assertThat(bufferBuilder.limit(), is(0));
}

Example 55 with UnsafeBuffer

use of org.agrona.concurrent.UnsafeBuffer in project Aeron by real-logic.

the class BufferBuilderTest method shouldAppendThenReset.

@Test
public void shouldAppendThenReset() {
    final UnsafeBuffer srcBuffer = new UnsafeBuffer(new byte[INITIAL_CAPACITY]);
    bufferBuilder.append(srcBuffer, 0, srcBuffer.capacity());
    assertThat(bufferBuilder.limit(), is(srcBuffer.capacity()));
    bufferBuilder.reset();
    assertThat(bufferBuilder.limit(), is(0));
}