diff options
Diffstat (limited to 'java/src/test/java/com/google/protobuf/NanoTest.java')
-rw-r--r-- | java/src/test/java/com/google/protobuf/NanoTest.java | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/java/src/test/java/com/google/protobuf/NanoTest.java b/java/src/test/java/com/google/protobuf/NanoTest.java index 5f28647..00e2597 100644 --- a/java/src/test/java/com/google/protobuf/NanoTest.java +++ b/java/src/test/java/com/google/protobuf/NanoTest.java @@ -2910,6 +2910,20 @@ public class NanoTest extends TestCase { assertTrue(Arrays.equals(enums, message.getExtension(RepeatedExtensions.repeatedEnum))); } + public void testNullExtensions() throws Exception { + // Check that clearing the extension on an empty message is a no-op. + Extensions.ExtendableMessage message = new Extensions.ExtendableMessage(); + message.setExtension(SingularExtensions.someMessage, null); + assertEquals(0, MessageNano.toByteArray(message).length); + + // Check that the message is empty after setting and clearing an extension. + AnotherMessage another = new AnotherMessage(); + message.setExtension(SingularExtensions.someMessage, another); + assertTrue(MessageNano.toByteArray(message).length > 0); + message.setExtension(SingularExtensions.someMessage, null); + assertEquals(0, MessageNano.toByteArray(message).length); + } + public void testUnknownFields() throws Exception { // Check that we roundtrip (serialize and deserialize) unrecognized fields. AnotherMessage message = new AnotherMessage(); |