@Test
public void testArray() throws Exception {
CharBlockArray array = new CharBlockArray();
StringBuilder builder = new StringBuilder();
final int n = 100 * 1000;
byte[] buffer = new byte[50];
for (int i = 0; i < n; i++) {
random().nextBytes(buffer);
int size = 1 + random().nextInt(50);
// This test is turning random bytes into a string,
// this is asking for trouble.
CharsetDecoder decoder =
IOUtils.CHARSET_UTF_8
.newDecoder()
.onUnmappableCharacter(CodingErrorAction.REPLACE)
.onMalformedInput(CodingErrorAction.REPLACE);
String s = decoder.decode(ByteBuffer.wrap(buffer, 0, size)).toString();
array.append(s);
builder.append(s);
}
for (int i = 0; i < n; i++) {
random().nextBytes(buffer);
int size = 1 + random().nextInt(50);
// This test is turning random bytes into a string,
// this is asking for trouble.
CharsetDecoder decoder =
IOUtils.CHARSET_UTF_8
.newDecoder()
.onUnmappableCharacter(CodingErrorAction.REPLACE)
.onMalformedInput(CodingErrorAction.REPLACE);
String s = decoder.decode(ByteBuffer.wrap(buffer, 0, size)).toString();
array.append((CharSequence) s);
builder.append(s);
}
for (int i = 0; i < n; i++) {
random().nextBytes(buffer);
int size = 1 + random().nextInt(50);
// This test is turning random bytes into a string,
// this is asking for trouble.
CharsetDecoder decoder =
IOUtils.CHARSET_UTF_8
.newDecoder()
.onUnmappableCharacter(CodingErrorAction.REPLACE)
.onMalformedInput(CodingErrorAction.REPLACE);
String s = decoder.decode(ByteBuffer.wrap(buffer, 0, size)).toString();
for (int j = 0; j < s.length(); j++) {
array.append(s.charAt(j));
}
builder.append(s);
}
assertEqualsInternal("GrowingCharArray<->StringBuilder mismatch.", builder, array);
File tempDir = _TestUtil.getTempDir("growingchararray");
File f = new File(tempDir, "GrowingCharArrayTest.tmp");
BufferedOutputStream out = new BufferedOutputStream(new FileOutputStream(f));
array.flush(out);
out.flush();
out.close();
BufferedInputStream in = new BufferedInputStream(new FileInputStream(f));
array = CharBlockArray.open(in);
assertEqualsInternal(
"GrowingCharArray<->StringBuilder mismatch after flush/load.", builder, array);
in.close();
f.delete();
}
