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-rw-r--r--objectivec/Tests/GPBMessageTests+Runtime.m66
1 files changed, 66 insertions, 0 deletions
diff --git a/objectivec/Tests/GPBMessageTests+Runtime.m b/objectivec/Tests/GPBMessageTests+Runtime.m
index 0058311b..b0d58c9c 100644
--- a/objectivec/Tests/GPBMessageTests+Runtime.m
+++ b/objectivec/Tests/GPBMessageTests+Runtime.m
@@ -2491,6 +2491,72 @@
XCTAssertEqualObjects(@"bar", message.mapStringString[@"foo"]);
}
+- (void)test_StringFieldsCopy {
+ // ObjC conventions call for NSString properites to be copy, ensure
+ // that is done correctly and the string isn't simply retained.
+
+ Message2 *msg1 = [Message2 message];
+ Message2 *msg2 = [Message2 message];
+
+ GPBFieldDescriptor *fieldDesc =
+ [[Message2 descriptor] fieldWithNumber:Message2_FieldNumber_OptionalString];
+ NSMutableString *mutableStr = [NSMutableString stringWithString:@"foo"];
+
+ msg1.optionalString = mutableStr;
+ GPBSetMessageStringField(msg2, fieldDesc, mutableStr);
+
+ XCTAssertEqualObjects(msg1.optionalString, mutableStr);
+ XCTAssertEqualObjects(msg1.optionalString, @"foo");
+ XCTAssertTrue(msg1.optionalString != mutableStr); // Ptr comparision.
+
+ XCTAssertEqualObjects(msg2.optionalString, mutableStr);
+ XCTAssertEqualObjects(msg2.optionalString, @"foo");
+ XCTAssertTrue(msg2.optionalString != mutableStr); // Ptr comparision.
+
+ [mutableStr appendString:@"bar"];
+
+ XCTAssertNotEqualObjects(msg1.optionalString, mutableStr);
+ XCTAssertEqualObjects(msg1.optionalString, @"foo");
+ XCTAssertTrue(msg1.optionalString != mutableStr); // Ptr comparision.
+
+ XCTAssertNotEqualObjects(msg2.optionalString, mutableStr);
+ XCTAssertEqualObjects(msg2.optionalString, @"foo");
+ XCTAssertTrue(msg2.optionalString != mutableStr); // Ptr comparision.
+}
+
+- (void)test_BytesFieldsCopy {
+ // ObjC conventions call for NSData properites to be copy, ensure
+ // that is done correctly and the data isn't simply retained.
+
+ Message2 *msg1 = [Message2 message];
+ Message2 *msg2 = [Message2 message];
+
+ GPBFieldDescriptor *fieldDesc =
+ [[Message2 descriptor] fieldWithNumber:Message2_FieldNumber_OptionalBytes];
+ NSMutableData *mutableData = [NSMutableData dataWithData:DataFromCStr("abc")];
+
+ msg1.optionalBytes = mutableData;
+ GPBSetMessageBytesField(msg2, fieldDesc, mutableData);
+
+ XCTAssertEqualObjects(msg1.optionalBytes, mutableData);
+ XCTAssertEqualObjects(msg1.optionalBytes, DataFromCStr("abc"));
+ XCTAssertTrue(msg1.optionalBytes != mutableData); // Ptr comparision.
+
+ XCTAssertEqualObjects(msg2.optionalBytes, mutableData);
+ XCTAssertEqualObjects(msg2.optionalBytes, DataFromCStr("abc"));
+ XCTAssertTrue(msg2.optionalBytes != mutableData); // Ptr comparision.
+
+ [mutableData appendData:DataFromCStr("123")];
+
+ XCTAssertNotEqualObjects(msg1.optionalBytes, mutableData);
+ XCTAssertEqualObjects(msg1.optionalBytes, DataFromCStr("abc"));
+ XCTAssertTrue(msg1.optionalBytes != mutableData); // Ptr comparision.
+
+ XCTAssertNotEqualObjects(msg2.optionalBytes, mutableData);
+ XCTAssertEqualObjects(msg2.optionalBytes, DataFromCStr("abc"));
+ XCTAssertTrue(msg2.optionalBytes != mutableData); // Ptr comparision.
+}
+
#pragma mark - Subset from from map_tests.cc
// TEST(GeneratedMapFieldTest, IsInitialized)