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#!perl -w
BEGIN { eval { require bytes; }; }
use strict;
no strict "vars";
use Date::Calc qw( Add_Delta_YMD );
# ======================================================================
# ($year,$mm,$dd) = Add_Delta_YMD($year, $mm, $dd,
# $y_offs,$m_offs,$d_offs);
# ======================================================================
print "1..23\n";
$n = 1;
eval { ($year,$mm,$dd) = Add_Delta_YMD(0,0,0,0,0,0); };
if ($@ =~ /not a valid date/)
{print "ok $n\n";} else {print "not ok $n\n";}
$n++;
eval { ($year,$mm,$dd) = Add_Delta_YMD(0,2,28,0,0,0); };
if ($@ =~ /not a valid date/)
{print "ok $n\n";} else {print "not ok $n\n";}
$n++;
eval { ($year,$mm,$dd) = Add_Delta_YMD(1997,0,28,0,0,0); };
if ($@ =~ /not a valid date/)
{print "ok $n\n";} else {print "not ok $n\n";}
$n++;
eval { ($year,$mm,$dd) = Add_Delta_YMD(1997,2,0,0,0,0); };
if ($@ =~ /not a valid date/)
{print "ok $n\n";} else {print "not ok $n\n";}
$n++;
eval { ($year,$mm,$dd) = Add_Delta_YMD(1997,2,29,0,0,0); };
if ($@ =~ /not a valid date/)
{print "ok $n\n";} else {print "not ok $n\n";}
$n++;
if ((($year,$mm,$dd) = Add_Delta_YMD(1996,2,29,0,0,0)) &&
($year==1996) && ($mm==2) && ($dd==29))
{print "ok $n\n";} else {print "not ok $n\n";}
$n++;
if ((($year,$mm,$dd) = Add_Delta_YMD(1992,2,29,4,0,0)) &&
($year==1996) && ($mm==2) && ($dd==29))
{print "ok $n\n";} else {print "not ok $n\n";}
$n++;
if ((($year,$mm,$dd) = Add_Delta_YMD(1996,2,29,1,0,0)) &&
($year==1997) && ($mm==3) && ($dd==1))
{print "ok $n\n";} else {print "not ok $n\n";}
$n++;
if ((($year,$mm,$dd) = Add_Delta_YMD(1997,1,29,0,1,0)) &&
($year==1997) && ($mm==3) && ($dd==1))
{print "ok $n\n";} else {print "not ok $n\n";}
$n++;
if ((($year,$mm,$dd) = Add_Delta_YMD(1996,2,28,0,0,1)) &&
($year==1996) && ($mm==2) && ($dd==29))
{print "ok $n\n";} else {print "not ok $n\n";}
$n++;
if ((($year,$mm,$dd) = Add_Delta_YMD(1997,2,28,0,0,1)) &&
($year==1997) && ($mm==3) && ($dd==1))
{print "ok $n\n";} else {print "not ok $n\n";}
$n++;
eval { ($year,$mm,$dd) = Add_Delta_YMD(1,1,1,0,0,-1); };
if ($@ =~ /not a valid date/)
{print "ok $n\n";} else {print "not ok $n\n";}
$n++;
eval { ($year,$mm,$dd) = Add_Delta_YMD(1,1,1,0,-1,0); };
if ($@ =~ /not a valid date/)
{print "ok $n\n";} else {print "not ok $n\n";}
$n++;
eval { ($year,$mm,$dd) = Add_Delta_YMD(1,1,1,-1,0,0); };
if ($@ =~ /not a valid date/)
{print "ok $n\n";} else {print "not ok $n\n";}
$n++;
($year,$mm,$dd) = (1997,2,26); ($y,$m,$d) = (0,-1,17);
if ((($year,$mm,$dd) = Add_Delta_YMD($year,$mm,$dd, $y,$m,$d)) &&
($year==1997) && ($mm==2) && ($dd==12))
{print "ok $n\n";} else {print "not ok $n\n";}
$n++;
if ((($year,$mm,$dd) = Add_Delta_YMD($year,$mm,$dd, -$y,-$m,-$d)) &&
($year==1997) && ($mm==2) && ($dd==23))
{print "ok $n\n";} else {print "not ok $n\n";}
$n++;
($year,$mm,$dd) = (1997,2,15); ($y,$m,$d) = (0,1,-17);
if ((($year,$mm,$dd) = Add_Delta_YMD($year,$mm,$dd, $y,$m,$d)) &&
($year==1997) && ($mm==2) && ($dd==26))
{print "ok $n\n";} else {print "not ok $n\n";}
$n++;
if ((($year,$mm,$dd) = Add_Delta_YMD($year,$mm,$dd, -$y,-$m,-$d)) &&
($year==1997) && ($mm==2) && ($dd==12))
{print "ok $n\n";} else {print "not ok $n\n";}
$n++;
($year,$mm,$dd) = (1997,2,15); ($y,$m,$d) = (1,-24,14);
if ((($year,$mm,$dd) = Add_Delta_YMD($year,$mm,$dd, $y,$m,$d)) &&
($year==1996) && ($mm==2) && ($dd==29))
{print "ok $n\n";} else {print "not ok $n\n";}
$n++;
if ((($year,$mm,$dd) = Add_Delta_YMD($year,$mm,$dd, -$y,-$m,-$d)) &&
($year==1997) && ($mm==2) && ($dd==15))
{print "ok $n\n";} else {print "not ok $n\n";}
$n++;
if ((($year,$mm,$dd) = Add_Delta_YMD(1998,1,30,0,1,0)) &&
($year==1998) && ($mm==3) && ($dd==2))
{print "ok $n\n";} else {print "not ok $n\n";}
$n++;
if ((($year,$mm,$dd) = Add_Delta_YMD(2000,1,30,0,1,0)) &&
($year==2000) && ($mm==3) && ($dd==1))
{print "ok $n\n";} else {print "not ok $n\n";}
$n++;
if ((($year,$mm,$dd) = Add_Delta_YMD(2000,1,31,0,3,0)) &&
($year==2000) && ($mm==5) && ($dd==1))
{print "ok $n\n";} else {print "not ok $n\n";}
$n++;
__END__
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