core/src/test/java/io/grpc/internal/WritableBufferAllocatorTestBase.java

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package io.grpc.internal;

import static org.junit.Assert.assertNotSame;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

/**
 * Abstract base class for tests of {@link WritableBufferAllocator} subclasses.
 */
@RunWith(JUnit4.class)
public abstract class WritableBufferAllocatorTestBase {

  protected abstract WritableBufferAllocator allocator();

  @Test
  public void testBuffersAreDifferent() {
    WritableBuffer buffer1 = allocator().allocate(100);
    WritableBuffer buffer2 = allocator().allocate(100);

    assertNotSame(buffer1, buffer2);

    buffer1.release();
    buffer2.release();
  }
}