diff options
Diffstat (limited to 'java/core/src/test/java/com/google/protobuf/MapTest.java')
-rw-r--r-- | java/core/src/test/java/com/google/protobuf/MapTest.java | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/java/core/src/test/java/com/google/protobuf/MapTest.java b/java/core/src/test/java/com/google/protobuf/MapTest.java index 64ae4435..58efce92 100644 --- a/java/core/src/test/java/com/google/protobuf/MapTest.java +++ b/java/core/src/test/java/com/google/protobuf/MapTest.java @@ -893,6 +893,24 @@ public class MapTest extends TestCase { assertEquals(message.hashCode(), dynamicMessage.hashCode()); } + // Check that DynamicMessage handles map field serialization the same way as generated code + // regarding unset key and value field in a map entry. + public void testDynamicMessageUnsetKeyAndValue() throws Exception { + FieldDescriptor field = f("int32_to_int32_field"); + + Message dynamicDefaultInstance = + DynamicMessage.getDefaultInstance(TestMap.getDescriptor()); + Message.Builder builder = dynamicDefaultInstance.newBuilderForType(); + // Add an entry without key and value. + builder.addRepeatedField(field, builder.newBuilderForField(field).build()); + Message message = builder.build(); + ByteString bytes = message.toByteString(); + // Parse it back to the same generated type. + Message generatedMessage = TestMap.parseFrom(bytes); + // Assert the serialized bytes are equivalent. + assertEquals(generatedMessage.toByteString(), bytes); + } + public void testReflectionEqualsAndHashCode() throws Exception { // Test that generated equals() and hashCode() will disregard the order // of map entries when comparing/hashing map fields. |