classdef test_IFC < matlab.unittest.TestCase
    
    methods(TestClassSetup)
        % Shared setup for the entire test class
    end
    
    methods(TestMethodSetup)
        % Setup for each test
    end
    
    methods(Test)
        % Test methods
        
        function test_today(testCase)
            ifc = IFC(datetime('28-Dec-2024'));
            testCase.verifyEqual(ifc.Year, uint16(2024));
            testCase.verifyEqual(ifc.Month, MONTHS(13));
            testCase.verifyEqual(ifc.Day, uint8(26));
            testCase.verifyEqual(ifc.DayOfWeek, DAYSOFWEEK(5));
        end

        function test_yearday_noleap(testCase)
            ifc = IFC(datetime('31-Dec-2023'));
            testCase.verifyEqual(ifc.Year, uint16(2023));
            testCase.verifyEqual(ifc.Month, MONTHS(14));
            testCase.verifyEqual(ifc.Day, uint8(0));
            testCase.verifyEqual(ifc.DayOfWeek, DAYSOFWEEK(7));
        end

        function test_yearday_leap(testCase)
            ifc = IFC(datetime('31-Dec-2020'));
            testCase.verifyEqual(ifc.Year, uint16(2020));
            testCase.verifyEqual(ifc.Month, MONTHS(14));
            testCase.verifyEqual(ifc.Day, uint8(0));
            testCase.verifyEqual(ifc.DayOfWeek, DAYSOFWEEK(7));
        end

        function test_leapday_noleap(testCase)
            ifc = IFC(datetime('17-Jun-2003'));
            testCase.verifyEqual(ifc.Year, uint16(2003));
            testCase.verifyEqual(ifc.Month, MONTHS(6));
            testCase.verifyEqual(ifc.Day, uint8(28));
            testCase.verifyEqual(ifc.DayOfWeek, DAYSOFWEEK(0));
        end

        function test_leapday_leap(testCase)
            ifc = IFC(datetime('17-Jun-2008'));
            testCase.verifyEqual(ifc.Year, uint16(2008));
            testCase.verifyEqual(ifc.Month, MONTHS(14));
            testCase.verifyEqual(ifc.Day, uint8(0));
            testCase.verifyEqual(ifc.DayOfWeek, DAYSOFWEEK(8));
        end

        function test_all_vectorized(testCase)
            ifc = IFC(datetime(["28-Dec-2024"; "31-Dec-2023"; "31-Dec-2020"; "17-Jun-2003"; "17-Jun-2008"]));
            testCase.verifyEqual([ifc.Year], uint16([2024; 2023; 2020; 2003; 2008]));
            testCase.verifyEqual([ifc.Month], MONTHS([13; 14; 14; 6; 14]));
            testCase.verifyEqual([ifc.Day], uint8([26; 0; 0; 28; 0]));
            testCase.verifyEqual([ifc.DayOfWeek], DAYSOFWEEK([5; 7; 7; 0; 8]));
        end
    end
    
end