Merge pull request #157 from Xilef121/branch-SortType-testing

Create test class for SortType

src/test/java/seedu/address/commons/core/sorttype/SortTypeTest.java

@@ -0,0 +1,34 @@
+package seedu.address.commons.core.sorttype;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertSame;
+
+import org.junit.jupiter.api.Test;
+
+public class SortTypeTest {
+
+    @Test
+    public void testGetSortType() {
+        assertEquals(SortType.ALPHABETICAL_ASCENDING, SortType.getSortType('a'));
+        assertEquals(SortType.STARTDATE_ASCENDING, SortType.getSortType('s'));
+        assertEquals(SortType.ENDDATE_ASCENDING, SortType.getSortType('e'));
+
+        // Test invalid preference
+        assertNull(SortType.getSortType('x'));
+    }
+
+    @Test
+    public void testGetPref() {
+        assertEquals('a', SortType.ALPHABETICAL_ASCENDING.getPref());
+        assertEquals('s', SortType.STARTDATE_ASCENDING.getPref());
+        assertEquals('e', SortType.ENDDATE_ASCENDING.getPref());
+    }
+
+    @Test
+    public void testEquality() {
+        assertSame(SortType.ALPHABETICAL_ASCENDING, SortType.ALPHABETICAL_ASCENDING);
+        assertSame(SortType.STARTDATE_ASCENDING, SortType.STARTDATE_ASCENDING);
+        assertSame(SortType.ENDDATE_ASCENDING, SortType.ENDDATE_ASCENDING);
+    }
+}