Added code and unit tests for the PreviousMonthNumberofDays function

[xestiacalendar/.git] / source / tests / xestiacalendar_commonfunctions.h

diff --git a/source/tests/xestiacalendar_commonfunctions.h b/source/tests/xestiacalendar_commonfunctions.h
index 8da4adc..225d0a4 100644 (file)
--- a/source/tests/xestiacalendar_commonfunctions.h
+++ b/source/tests/xestiacalendar_commonfunctions.h
@@ -19,6 +19,7 @@
 #include "../common/file.h"
 #include "../common/text.h"
 #include "../common/colour.h"
+#include "../common/monthviewgen.h"
 
 TEST(CommonFunctions, FileTests){
        
@@ -401,4 +402,64 @@ TEST(CommonFunctions, OutputText){
        ASSERT_EQ(ResultText4, OutputText4);
        ASSERT_EQ(ResultText5, OutputText5);
 
+}
+
+TEST(CommonFunctions, PreviousMonthNumberofDays){
+
+       // Test the year 2015 (does not have a leap year).
+       
+       ASSERT_EQ(30, PreviousMonthNumberofDays(12, 2015));
+       
+       // Test the year 2016 (has a leap year).
+       
+       ASSERT_EQ(31, PreviousMonthNumberofDays(1, 2016));
+       ASSERT_EQ(31, PreviousMonthNumberofDays(2, 2016));
+       ASSERT_EQ(29, PreviousMonthNumberofDays(3, 2016));
+       ASSERT_EQ(31, PreviousMonthNumberofDays(4, 2016));
+       ASSERT_EQ(30, PreviousMonthNumberofDays(5, 2016));
+       ASSERT_EQ(31, PreviousMonthNumberofDays(6, 2016));
+       ASSERT_EQ(30, PreviousMonthNumberofDays(7, 2016));
+       ASSERT_EQ(31, PreviousMonthNumberofDays(8, 2016));
+       ASSERT_EQ(31, PreviousMonthNumberofDays(9, 2016));
+       ASSERT_EQ(30, PreviousMonthNumberofDays(10, 2016));
+       ASSERT_EQ(31, PreviousMonthNumberofDays(11, 2016));
+       ASSERT_EQ(30, PreviousMonthNumberofDays(12, 2016));
+       ASSERT_EQ(31, PreviousMonthNumberofDays(1, 2017));
+       
+       // Test the leap year section.
+       
+       ASSERT_EQ(29, PreviousMonthNumberofDays(3, 2016));
+       ASSERT_EQ(29, PreviousMonthNumberofDays(3, 2012));
+       ASSERT_EQ(29, PreviousMonthNumberofDays(3, 2008));
+       ASSERT_EQ(29, PreviousMonthNumberofDays(3, 2004));
+       ASSERT_EQ(29, PreviousMonthNumberofDays(3, 2000));
+       
+       ASSERT_EQ(28, PreviousMonthNumberofDays(3, 2015));
+       ASSERT_EQ(28, PreviousMonthNumberofDays(3, 2014));
+       ASSERT_EQ(28, PreviousMonthNumberofDays(3, 2013));
+       
+       ASSERT_EQ(28, PreviousMonthNumberofDays(3, 2041));
+       ASSERT_EQ(28, PreviousMonthNumberofDays(3, 2042));
+       ASSERT_EQ(28, PreviousMonthNumberofDays(3, 2043));
+       ASSERT_EQ(29, PreviousMonthNumberofDays(3, 2044));
+       ASSERT_EQ(28, PreviousMonthNumberofDays(3, 2045));
+       ASSERT_EQ(28, PreviousMonthNumberofDays(3, 2046));
+       ASSERT_EQ(28, PreviousMonthNumberofDays(3, 2047));
+       ASSERT_EQ(29, PreviousMonthNumberofDays(3, 2048));
+       ASSERT_EQ(28, PreviousMonthNumberofDays(3, 2049));
+       ASSERT_EQ(28, PreviousMonthNumberofDays(3, 2050));
+
+       ASSERT_EQ(28, PreviousMonthNumberofDays(3, 1900));
+       ASSERT_EQ(28, PreviousMonthNumberofDays(3, 2200));
+       ASSERT_EQ(28, PreviousMonthNumberofDays(3, 2300));
+       ASSERT_EQ(29, PreviousMonthNumberofDays(3, 2400));
+       ASSERT_EQ(28, PreviousMonthNumberofDays(3, 2500));
+       ASSERT_EQ(28, PreviousMonthNumberofDays(3, 2600));
+       ASSERT_EQ(28, PreviousMonthNumberofDays(3, 2700));
+       ASSERT_EQ(29, PreviousMonthNumberofDays(3, 2800));
+       ASSERT_EQ(28, PreviousMonthNumberofDays(3, 2900));
+       ASSERT_EQ(28, PreviousMonthNumberofDays(3, 3000));
+       
+}
+
 }
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