@SuppressWarnings("GuardedByChecker")
  private static void assertStoreContains(JimfsOutputStream out, int... bytes) {
    byte[] actualBytes = new byte[bytes.length];
    int unused = out.file.read(0, actualBytes, 0, actualBytes.length);
    assertArrayEquals(bytes(bytes), actualBytes);
  }
Tests for {@link JimfsOutputStream}.

@author Colin Decker
jimfs/src/test/java/com/google/common/jimfs/JimfsOutputStreamTest.java