diff --git a/app/src/test/java/be/ugent/sel/studeez/ExampleUnitTest.kt b/app/src/test/java/be/ugent/sel/studeez/ExampleUnitTest.kt
deleted file mode 100644
index 4ff9e1c..0000000
--- a/app/src/test/java/be/ugent/sel/studeez/ExampleUnitTest.kt
+++ /dev/null
@@ -1,17 +0,0 @@
-package be.ugent.sel.studeez
-
-import org.junit.Test
-
-import org.junit.Assert.*
-
-/**
- * Example local unit test, which will execute on the development machine (host).
- *
- * See [testing documentation](http://d.android.com/tools/testing).
- */
-class ExampleUnitTest {
-    @Test
-    fun addition_isCorrect() {
-        assertEquals(4, 2 + 2)
-    }
-}
\ No newline at end of file
diff --git a/app/src/test/java/be/ugent/sel/studeez/TimeUnitTest.kt b/app/src/test/java/be/ugent/sel/studeez/TimeUnitTest.kt
new file mode 100644
index 0000000..f66c7b4
--- /dev/null
+++ b/app/src/test/java/be/ugent/sel/studeez/TimeUnitTest.kt
@@ -0,0 +1,39 @@
+package be.ugent.sel.studeez
+
+import be.ugent.sel.studeez.data.local.models.timer_functional.HoursMinutesSeconds
+import be.ugent.sel.studeez.data.local.models.timer_functional.Time
+import org.junit.Assert
+import org.junit.Before
+import org.junit.Test
+
+class TimeUnitTest {
+    private val hours = 4
+    private val minutes = 20
+    private val seconds = 39
+    private val time: Time = Time(seconds + minutes * 60 + hours * 60 * 60)
+
+    @Before
+    fun setup() {
+
+    }
+
+    @Test
+    fun formatTime() {
+        Assert.assertEquals(
+            time.getAsHMS(),
+            HoursMinutesSeconds(
+                hours.toString().padStart(2, '0'),
+                minutes.toString().padStart(2, '0'),
+                seconds.toString().padStart(2, '0'),
+            ),
+        )
+    }
+
+    @Test
+    fun getTime() {
+        Assert.assertEquals(
+            time.getTime(),
+            seconds + minutes * 60 + hours * 60 * 60
+        )
+    }
+}
\ No newline at end of file