diff options
Diffstat (limited to 'java/src/test')
-rw-r--r-- | java/src/test/java/com/google/protobuf/CodedOutputStreamTest.java | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/java/src/test/java/com/google/protobuf/CodedOutputStreamTest.java b/java/src/test/java/com/google/protobuf/CodedOutputStreamTest.java index 48e54657..74476e36 100644 --- a/java/src/test/java/com/google/protobuf/CodedOutputStreamTest.java +++ b/java/src/test/java/com/google/protobuf/CodedOutputStreamTest.java @@ -300,4 +300,19 @@ public class CodedOutputStreamTest extends TestCase { assertEqualBytes(TestUtil.getGoldenPackedFieldsMessage().toByteArray(), rawBytes); } + + /** Test writing a message containing a negative enum value. This used to + * fail because the size was not properly computed as a sign-extended varint. */ + public void testWriteMessageWithNegativeEnumValue() throws Exception { + protobuf_unittest.UnittestProto.SparseEnumMessage message = + protobuf_unittest.UnittestProto.SparseEnumMessage.newBuilder() + .setSparseEnum(protobuf_unittest.UnittestProto.TestSparseEnum.SPARSE_E) + .build(); + assertTrue(message.getSparseEnum().getNumber() < 0); + byte[] rawBytes = message.toByteArray(); + protobuf_unittest.UnittestProto.SparseEnumMessage message2 = + protobuf_unittest.UnittestProto.SparseEnumMessage.parseFrom(rawBytes); + assertEquals(protobuf_unittest.UnittestProto.TestSparseEnum.SPARSE_E, + message2.getSparseEnum()); + } } |