@Test
public void regularReader() throws Exception {
CloseableRegistry r = new CloseableRegistry();
try {
ByteArrayInputStream is = new ByteArrayInputStream(HELLO_EN_NAT);
r.register(new InputStreamWrapper(is));
UnicodeInputStreamReader reader = new UnicodeInputStreamReader(is);
r.register(new ReaderWrapper(reader));
assertNull(reader.getDecodingStrategy());
assertNull(reader.getRequestedSignatureCharset());
assertNull(reader.getSignatureCharset());
assertTrue(reader.ready());
assertFalse(reader.markSupported());
try {
reader.mark(0);
fail();
} catch (IOException ex) {
// Desired.
}
try {
reader.reset();
fail();
} catch (IOException ex) {
// Desired.
}
assertEquals(HELLO_EN.charAt(0), reader.read());
assertEquals(1, reader.skip(1));
char[] charArray = new char[1];
assertEquals(1, reader.read(charArray));
assertEquals(HELLO_EN.charAt(2), charArray[0]);
charArray = new char[3];
assertEquals(1, reader.read(charArray, 1, 1));
assertEquals(HELLO_EN.charAt(3), charArray[1]);
CharBuffer charBuffer = CharBuffer.allocate(10);
assertEquals(1, reader.read(charBuffer));
assertEquals(HELLO_EN.charAt(4), charBuffer.get(0));
assertEquals(-1, reader.read());
assertEquals(-1, reader.read(charArray));
assertEquals(-1, reader.read(charArray, 1, 1));
assertEquals(-1, reader.read(charBuffer));
assertFalse(reader.ready());
reader.close();
reader.close();
// Ensure that close() has closed the stream, by trying to
// read from the reader: this is not testing whether
// read() fails; it tests whether close() worked.
try {
reader.read();
fail();
} catch (IOException ex) {
// Desired.
}
try {
reader.ready();
fail();
} catch (IOException ex) {
// Desired.
}
} finally {
r.close();
}
}
