1 files changed, 29 insertions, 5 deletions
diff --git a/src/tests/xb_test_date.cpp b/src/tests/xb_test_date.cpp
index 7aee584..0efe102 100755
--- a/src/tests/xb_test_date.cpp
+++ b/src/tests/xb_test_date.cpp
@@ -69,6 +69,8 @@ int main( int argCnt, char **av )
 
   iRc += TestMethod( po, "FormatDate( '', sOutDate ) (sys default format)", d3.FormatDate( sFmt, sOutDate ), 0 );
   iRc += TestMethod( po, "FormatDate( '', sOutDate ) (sys default format)", sOutDate, "07/09/12", 8 );
+
+
   iRc += TestMethod( po, "CenturyOf()" , d3.CenturyOf(), 20 );
   iRc += TestMethod( po, "YearOf()", d3.YearOf(), 2012 );
   iRc += TestMethod( po, "MonthOf()", d3.MonthOf(), 7 );
@@ -84,12 +86,11 @@ int main( int argCnt, char **av )
 
   d1.Set( "20010102" );
   iRc += TestMethod( po, "d1.Set('20010102')", d1.Str(), "20010102", 8 );
-  iRc += TestMethod( po, "d1.CalcRollingCenturyForYear(10)", d1.CalcRollingCenturyForYear( 10 ), 20 );
 
+  iRc += TestMethod( po, "d1.CalcRollingCenturyForYear(10)", d1.CalcRollingCenturyForYear( 10 ), 20 );
   iRc += TestMethod( po, "d1.JulianDays()", d1.JulianDays(), 2451912 );
-
-
   iRc += TestMethod( po, "d1.Set( '20140709' )", d1.Set( "20140709" ) , 0 );
+
   d1.CharDayOf( s );
   iRc += TestMethod( po, "d1.CharDayOf(s)", s, "Wednesday", 9 );
 
@@ -135,8 +136,8 @@ int main( int argCnt, char **av )
   iRc+= TestMethod( po, "d1+2", d1+2, "20130407", 8 );
   iRc+= TestMethod( po, "d1-5", d1-5, "20130402", 8 );
 
-//  d1.Dump( "d1" );
-//  d2.Dump( "d2" );
+  //d1.Dump( "d1" );
+  //d2.Dump( "d2" );
 
   iRc+= TestMethod( po, "d1==d2", d1==d2, 0 );
   d2 = d1;
@@ -159,6 +160,29 @@ int main( int argCnt, char **av )
   iRc+= TestMethod( po, "d1<=d2", d1<=d2, 0 );
   iRc+= TestMethod( po, "d1-d2", d1-d2, 1 );
 
+
+  // null date testing follows
+  iRc+= TestMethod( po, "IsNull", d1.IsNull(), xbFalse );
+  xbDate dN;
+  iRc+= TestMethod( po, "IsNull", dN.IsNull(), xbTrue );
+
+  xbDate dtNull1;
+  xbDate dtNull2;
+
+  iRc+= TestMethod( po, "dtNull1==dtNull2", dtNull1 == dtNull2, 1 );
+  iRc+= TestMethod( po, "dtNull1!=dtNull2", dtNull1 != dtNull2, 0 );
+
+  iRc+= TestMethod( po, "dtNull1 < d2", dtNull1 < d2, 1 );
+  iRc+= TestMethod( po, "dtNull1 > d2", dtNull1 > d2, 0 );
+  iRc+= TestMethod( po, "dtNull1 <= d2", dtNull1 <= d2, 1 );
+  iRc+= TestMethod( po, "dtNull1 >= d2", dtNull1 >= d2, 0 );
+
+  iRc+= TestMethod( po, "d2 < dtNull1",  d2 <  dtNull1, 0 );
+  iRc+= TestMethod( po, "d2 > dtNull1",  d2 >  dtNull1, 1 );
+  iRc+= TestMethod( po, "d2 <= dtNull1", d2 <= dtNull1, 0 );
+  iRc+= TestMethod( po, "d2 >= dtNull1", d2 >= dtNull1, 1 );
+
+
 /*
   xbDate d4( "20171015" );
   std::cout << "day of [" << d4.Str() << "][" << d4.DayOf( XB_FMT_WEEK ) << "]\n";