@Test
public void throwIfMapKeyNotString() throws IOException {
thrown.expect(IOException.class);
thrown.expectMessage("Unrecognized map key type class java.lang.Integer, expected string");
BserSerializer serializer = new BserSerializer();
serializer.serializeToBuffer(ImmutableMap.of(0, 1), buffer);
}
@Test
public void throwIfStringNotUTF8() throws IOException {
thrown.expect(CharacterCodingException.class);
BserSerializer serializer = new BserSerializer();
// UTF-8 cannot legally represent half of a surrogate pair, so this should throw.
serializer.serializeToBuffer("\uDC00", buffer);
}
@Test
public void serializeTrueToStream() throws IOException {
try (ByteArrayOutputStream os = new ByteArrayOutputStream()) {
BserSerializer serializer = new BserSerializer();
serializer.serializeToStream(true, os);
assertThat(os.toByteArray(), equalTo(BaseEncoding.base16().decode(EXPECTED_TRUE)));
}
}
private ByteBuffer assertEncodingMatches(Object object, String base16) throws IOException {
BserSerializer serializer = new BserSerializer();
ByteBuffer result = serializer.serializeToBuffer(object, buffer);
result.flip();
byte[] base16Array = BaseEncoding.base16().decode(base16);
assertThat(
String.format(
"Encoded buffer mismatch (%s != %s)",
base16,
BaseEncoding.base16().encode(result.array(), result.position(), result.limit())),
result,
equalTo(ByteBuffer.wrap(base16Array)));
return result;
}
@Test
public void largeObjectAllocatesNewBuffer() throws IOException {
BserSerializer serializer = new BserSerializer();
ByteBuffer result = serializer.serializeToBuffer(Strings.repeat("X", 10000), buffer);
assertThat(result, is(not(sameInstance(buffer))));
}
@Test
public void smallObjectReusesInputBuffer() throws IOException {
BserSerializer serializer = new BserSerializer();
ByteBuffer result = serializer.serializeToBuffer(true, buffer);
assertThat(result, is(sameInstance(buffer)));
}
