@Test
public void decodesTheConstantValueAsIs() throws IOException {
int initialPosition = bytesIn.getPosition();
bytesIn.setBuffer(encoded);
it.decodeConstant(in);
assertThat(bytesIn.getPosition(), is(initialPosition + encoded.length));
}
@Test
public void decodesTheEmptyConstant() throws IOException {
it = new ConstantType("");
int initialPosition = bytesIn.getPosition();
bytesIn.setBuffer(new byte[] {});
it.decodeConstant(in);
assertThat(bytesIn.getPosition(), is(initialPosition));
}
@Test
public void doesNotMoveInputStreamIfItDoesntReadTheConstantValue() throws IOException {
// There should be more length bytes.
byte[] badlyEncoded = "bar".getBytes();
bytesIn.setBuffer(badlyEncoded);
int initialPosition = bytesIn.getPosition();
boolean raised = false;
try {
it.decodeConstant(in);
} catch (ConstantType.DecodedWrongValueException e) {
raised = true;
}
assertTrue(raised);
assertThat(bytesIn.getPosition(), is(initialPosition));
}
@Test
public void doesNotMoveInputStreamOnShortRead() throws IOException {
// There should be more length bytes.
byte[] shortEncoded = "fo".getBytes();
bytesIn.setBuffer(shortEncoded);
int initialPosition = bytesIn.getPosition();
boolean raised = false;
try {
it.decodeConstant(in);
} catch (EOFException ioe) {
raised = true;
}
assertTrue(raised);
assertThat(bytesIn.getPosition(), is(initialPosition));
}