diff --git a/src/test/java/tr/edu/itu/cavabunga/lib/entity/property/DtendTest.java b/src/test/java/tr/edu/itu/cavabunga/lib/entity/property/DtendTest.java
new file mode 100644
index 0000000..de125ca
--- /dev/null
+++ b/src/test/java/tr/edu/itu/cavabunga/lib/entity/property/DtendTest.java
@@ -0,0 +1,36 @@
+package tr.edu.itu.cavabunga.lib.entity.property;
+
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.platform.runner.JUnitPlatform;
+import org.junit.runner.RunWith;
+import tr.edu.itu.cavabunga.lib.exception.Validation;
+
+import java.util.stream.Stream;
+
+import static org.mockito.Mockito.doThrow;
+import static org.mockito.Mockito.mock;
+
+@RunWith(JUnitPlatform.class)
+class DtendTest extends PropertyTest {
+
+	private static Stream invalidInputProvider() {
+		// TODO: 10/2/2018 test with non-mock object
+		Dtend dtend1 = mock(Dtend.class);
+		doThrow(Validation.class).when(dtend1).validate();
+		return Stream.of(
+			Arguments.of(
+				dtend1
+			)
+		);
+	}
+
+	private static Stream validInputProvider() {
+		Dtend dtend1 = new Dtend();
+		dtend1.setValue("20100212T235900");
+		return Stream.of(
+			Arguments.of(
+				dtend1
+			)
+		);
+	}
+}
diff --git a/src/test/java/tr/edu/itu/cavabunga/lib/entity/property/DurationTest.java b/src/test/java/tr/edu/itu/cavabunga/lib/entity/property/DurationTest.java
new file mode 100644
index 0000000..5c521ce
--- /dev/null
+++ b/src/test/java/tr/edu/itu/cavabunga/lib/entity/property/DurationTest.java
@@ -0,0 +1,36 @@
+package tr.edu.itu.cavabunga.lib.entity.property;
+
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.platform.runner.JUnitPlatform;
+import org.junit.runner.RunWith;
+import tr.edu.itu.cavabunga.lib.exception.Validation;
+
+import java.util.stream.Stream;
+
+import static org.mockito.Mockito.doThrow;
+import static org.mockito.Mockito.mock;
+
+@RunWith(JUnitPlatform.class)
+class DurationTest extends PropertyTest {
+
+	private static Stream invalidInputProvider() {
+		// TODO: 10/2/2018 test with non-mock object
+		Duration duration1 = mock(Duration.class);
+		doThrow(Validation.class).when(duration1).validate();
+		return Stream.of(
+			Arguments.of(
+				duration1
+			)
+		);
+	}
+
+	private static Stream validInputProvider() {
+		Duration duration1 = new Duration();
+		duration1.setValue("P15DT5H0M20S");
+		return Stream.of(
+			Arguments.of(
+				duration1
+			)
+		);
+	}
+}