diff options
Diffstat (limited to 'java/core/src/test/java/com/google/protobuf/FieldPresenceTest.java')
-rw-r--r-- | java/core/src/test/java/com/google/protobuf/FieldPresenceTest.java | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/java/core/src/test/java/com/google/protobuf/FieldPresenceTest.java b/java/core/src/test/java/com/google/protobuf/FieldPresenceTest.java index 82f4216b..4a42c897 100644 --- a/java/core/src/test/java/com/google/protobuf/FieldPresenceTest.java +++ b/java/core/src/test/java/com/google/protobuf/FieldPresenceTest.java @@ -31,6 +31,8 @@ package com.google.protobuf; import com.google.protobuf.Descriptors.Descriptor; +import com.google.protobuf.Descriptors.EnumDescriptor; +import com.google.protobuf.Descriptors.EnumValueDescriptor; import com.google.protobuf.Descriptors.FieldDescriptor; import com.google.protobuf.FieldPresenceTestProto.TestAllTypes; import com.google.protobuf.FieldPresenceTestProto.TestOptionalFieldsOnly; @@ -253,6 +255,54 @@ public class FieldPresenceTest extends TestCase { assertEquals(4, message.getAllFields().size()); } + public void testFieldPresenceDynamicMessage() { + Descriptor descriptor = TestAllTypes.getDescriptor(); + FieldDescriptor optionalInt32Field = descriptor.findFieldByName("optional_int32"); + FieldDescriptor optionalStringField = descriptor.findFieldByName("optional_string"); + FieldDescriptor optionalBytesField = descriptor.findFieldByName("optional_bytes"); + FieldDescriptor optionalNestedEnumField = descriptor.findFieldByName("optional_nested_enum"); + EnumDescriptor enumDescriptor = optionalNestedEnumField.getEnumType(); + EnumValueDescriptor defaultEnumValueDescriptor = enumDescriptor.getValues().get(0); + EnumValueDescriptor nonDefaultEnumValueDescriptor = enumDescriptor.getValues().get(1); + + DynamicMessage defaultInstance = DynamicMessage.getDefaultInstance(descriptor); + // Field not present. + DynamicMessage message = defaultInstance.newBuilderForType().build(); + assertFalse(message.hasField(optionalInt32Field)); + assertFalse(message.hasField(optionalStringField)); + assertFalse(message.hasField(optionalBytesField)); + assertFalse(message.hasField(optionalNestedEnumField)); + assertEquals(0, message.getAllFields().size()); + + // Field set to non-default value is seen as present. + message = + defaultInstance + .newBuilderForType() + .setField(optionalInt32Field, 1) + .setField(optionalStringField, "x") + .setField(optionalBytesField, ByteString.copyFromUtf8("y")) + .setField(optionalNestedEnumField, nonDefaultEnumValueDescriptor) + .build(); + assertTrue(message.hasField(optionalInt32Field)); + assertTrue(message.hasField(optionalStringField)); + assertTrue(message.hasField(optionalBytesField)); + assertTrue(message.hasField(optionalNestedEnumField)); + assertEquals(4, message.getAllFields().size()); + + // Field set to default value is seen as not present. + message = message.toBuilder() + .setField(optionalInt32Field, 0) + .setField(optionalStringField, "") + .setField(optionalBytesField, ByteString.EMPTY) + .setField(optionalNestedEnumField, defaultEnumValueDescriptor) + .build(); + assertFalse(message.hasField(optionalInt32Field)); + assertFalse(message.hasField(optionalStringField)); + assertFalse(message.hasField(optionalBytesField)); + assertFalse(message.hasField(optionalNestedEnumField)); + assertEquals(0, message.getAllFields().size()); + } + public void testMessageField() { TestAllTypes.Builder builder = TestAllTypes.newBuilder(); assertFalse(builder.hasOptionalNestedMessage()); |