@@ -0,0 +1,587 @@
+package seedu.ezdo.logic.parser;%0A%0Aimport static org.junit.Assert.*;%0Aimport static org.mockito.Mockito.*;%0A%0Aimport java.util.Optional;%0Aimport java.util.regex.Matcher;%0A%0Aimport org.junit.Test;%0Aimport org.junit.runner.RunWith;%0Aimport org.mockito.Mockito;%0Aimport org.powermock.api.mockito.PowerMockito;%0Aimport org.powermock.core.classloader.annotations.PrepareForTest;%0Aimport org.powermock.modules.junit4.PowerMockRunner;%0A%0Apublic class ParserUtilTest %7B%0A%0A    @Test%0A    public void parseSortCriteria_noMatch() %7B%0A        assertEquals(Optional.empty(), ParserUtil.parseSortCriteria(%22%22));%0A    %7D%0A%0A%7D%0A

Add ParserUtilTest