@Test
public void testInCoreLimit_SwitchOnCopy() throws IOException {
final TemporaryBuffer b = new TemporaryBuffer.LocalFile(null);
final byte[] test = new TestRng(getName()).nextBytes(TemporaryBuffer.DEFAULT_IN_CORE_LIMIT * 2);
try {
final ByteArrayInputStream in =
new ByteArrayInputStream(
test,
TemporaryBuffer.DEFAULT_IN_CORE_LIMIT,
test.length - TemporaryBuffer.DEFAULT_IN_CORE_LIMIT);
b.write(test, 0, TemporaryBuffer.DEFAULT_IN_CORE_LIMIT);
b.copy(in);
b.close();
assertEquals(test.length, b.length());
{
final byte[] r = b.toByteArray();
assertNotNull(r);
assertEquals(test.length, r.length);
assertArrayEquals(test, r);
}
{
final ByteArrayOutputStream o = new ByteArrayOutputStream();
b.writeTo(o, null);
o.close();
final byte[] r = o.toByteArray();
assertEquals(test.length, r.length);
assertArrayEquals(test, r);
}
} finally {
b.destroy();
}
}
@Test
public void testOneByte() throws IOException {
final TemporaryBuffer b = new TemporaryBuffer.LocalFile(null);
final byte test = (byte) new TestRng(getName()).nextInt();
try {
b.write(test);
b.close();
assertEquals(1, b.length());
{
final byte[] r = b.toByteArray();
assertNotNull(r);
assertEquals(1, r.length);
assertEquals(test, r[0]);
}
{
final ByteArrayOutputStream o = new ByteArrayOutputStream();
b.writeTo(o, null);
o.close();
final byte[] r = o.toByteArray();
assertEquals(1, r.length);
assertEquals(test, r[0]);
}
} finally {
b.destroy();
}
}
@Test
public void testLarge_SingleWrite() throws IOException {
final TemporaryBuffer b = new TemporaryBuffer.LocalFile(null);
final byte[] test = new TestRng(getName()).nextBytes(TemporaryBuffer.DEFAULT_IN_CORE_LIMIT * 3);
try {
b.write(test);
b.close();
assertEquals(test.length, b.length());
{
final byte[] r = b.toByteArray();
assertNotNull(r);
assertEquals(test.length, r.length);
assertArrayEquals(test, r);
}
{
final ByteArrayOutputStream o = new ByteArrayOutputStream();
b.writeTo(o, null);
o.close();
final byte[] r = o.toByteArray();
assertEquals(test.length, r.length);
assertArrayEquals(test, r);
}
} finally {
b.destroy();
}
}
@Test
public void testOneBlockAndHalf_Copy() throws IOException {
final TemporaryBuffer b = new TemporaryBuffer.LocalFile(null);
final byte[] test = new TestRng(getName()).nextBytes(TemporaryBuffer.Block.SZ * 3 / 2);
try {
final ByteArrayInputStream in = new ByteArrayInputStream(test);
b.write(in.read());
b.copy(in);
b.close();
assertEquals(test.length, b.length());
{
final byte[] r = b.toByteArray();
assertNotNull(r);
assertEquals(test.length, r.length);
assertArrayEquals(test, r);
}
{
final ByteArrayOutputStream o = new ByteArrayOutputStream();
b.writeTo(o, null);
o.close();
final byte[] r = o.toByteArray();
assertEquals(test.length, r.length);
assertArrayEquals(test, r);
}
} finally {
b.destroy();
}
}
@Test
public void testOneBlock_BulkWrite() throws IOException {
final TemporaryBuffer b = new TemporaryBuffer.LocalFile(null);
final byte[] test = new TestRng(getName()).nextBytes(TemporaryBuffer.Block.SZ);
try {
b.write(test, 0, 2);
b.write(test, 2, 4);
b.write(test, 6, test.length - 6 - 2);
b.write(test, test.length - 2, 2);
b.close();
assertEquals(test.length, b.length());
{
final byte[] r = b.toByteArray();
assertNotNull(r);
assertEquals(test.length, r.length);
assertArrayEquals(test, r);
}
{
final ByteArrayOutputStream o = new ByteArrayOutputStream();
b.writeTo(o, null);
o.close();
final byte[] r = o.toByteArray();
assertEquals(test.length, r.length);
assertArrayEquals(test, r);
}
} finally {
b.destroy();
}
}
@Test
public void testEmpty() throws IOException {
final TemporaryBuffer b = new TemporaryBuffer.LocalFile(null);
try {
b.close();
assertEquals(0, b.length());
final byte[] r = b.toByteArray();
assertNotNull(r);
assertEquals(0, r.length);
} finally {
b.destroy();
}
}
@Test
public void testRandomWrites() throws IOException {
final TemporaryBuffer b = new TemporaryBuffer.LocalFile(null);
final TestRng rng = new TestRng(getName());
final int max = TemporaryBuffer.DEFAULT_IN_CORE_LIMIT * 2;
final byte[] expect = new byte[max];
try {
int written = 0;
boolean onebyte = true;
while (written < max) {
if (onebyte) {
final byte v = (byte) rng.nextInt();
b.write(v);
expect[written++] = v;
} else {
final int len = Math.min(rng.nextInt() & 127, max - written);
final byte[] tmp = rng.nextBytes(len);
b.write(tmp, 0, len);
System.arraycopy(tmp, 0, expect, written, len);
written += len;
}
onebyte = !onebyte;
}
assertEquals(expect.length, written);
b.close();
assertEquals(expect.length, b.length());
{
final byte[] r = b.toByteArray();
assertNotNull(r);
assertEquals(expect.length, r.length);
assertArrayEquals(expect, r);
}
{
final ByteArrayOutputStream o = new ByteArrayOutputStream();
b.writeTo(o, null);
o.close();
final byte[] r = o.toByteArray();
assertEquals(expect.length, r.length);
assertArrayEquals(expect, r);
}
} finally {
b.destroy();
}
}
