Fix [RT#66098] -- stricter checking on SvIVX exposed a lack of SvIOK check

[p5sagit/p5-mst-13.2.git] / t / op / time.t

diff --git a/t/op/time.t b/t/op/time.t
old mode 100755 (executable)
new mode 100644 (file)
index 8b2f07d..2ea1733
--- a/t/op/time.t
+++ b/t/op/time.t
@@ -1,14 +1,12 @@
 #!./perl
 
-$does_gmtime = gmtime(time);
-
 BEGIN {
     chdir 't' if -d 't';
     @INC = '../lib';
     require './test.pl';
 }
 
-plan tests => 8;
+plan tests => 44;
 
 ($beguser,$begsys) = times;
 
@@ -32,7 +30,9 @@ ok($i >= 2_000_000, 'very basic times test');
 ($xsec,$foo) = localtime($now);
 $localyday = $yday;
 
-ok($sec != $xsec && $mday && $year,             'localtime() list context');
+isnt($sec, $xsec),      'localtime() list context';
+ok $mday,               '  month day';
+ok $year,               '  year';
 
 ok(localtime() =~ /^(Sun|Mon|Tue|Wed|Thu|Fri|Sat)[ ]
                     (Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)[ ]
@@ -56,13 +56,13 @@ $ENV{TZ} = "GMT+5";
 ok($hour != $hour2,                             'changes to $ENV{TZ} respected');
 }
 
-SKIP: {
-    skip "No gmtime()", 3 unless $does_gmtime;
 
 ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = gmtime($beg);
 ($xsec,$foo) = localtime($now);
 
-ok($sec != $xsec && $mday && $year,             'gmtime() list context');
+isnt($sec, $xsec),      'gmtime() list conext';
+ok $mday,               '  month day';
+ok $year,               '  year';
 
 my $day_diff = $localyday - $yday;
 ok( grep({ $day_diff == $_ } (0, 1, -1, 364, 365, -364, -365)),
@@ -76,4 +76,72 @@ ok(gmtime() =~ /^(Sun|Mon|Tue|Wed|Thu|Fri|Sat)[ ]
                /x,
    'gmtime(), scalar context'
   );
+
+
+
+# Test gmtime over a range of times.
+{
+    # The range should be limited only by the 53-bit mantissa of an IEEE double (or 
+    # whatever kind of double you've got).  Here we just prove that we're comfortably 
+    # beyond the range possible with 32-bit time_t.
+    my %tests = (
+        # time_t         gmtime list                          scalar
+        -2**35  => [52, 13, 20, 7, 2, -1019, 5, 65, 0, "Fri Mar  7 20:13:52 881"],
+        -2**32  => [44, 31, 17, 24, 10, -67, 0, 327, 0, "Sun Nov 24 17:31:44 1833"],
+        -2**31  => [52, 45, 20, 13, 11, 1, 5, 346, 0, "Fri Dec 13 20:45:52 1901"],
+        -1      => [59, 59, 23, 31, 11, 69, 3, 364, 0, "Wed Dec 31 23:59:59 1969"],
+        0       => [0, 0, 0, 1, 0, 70, 4, 0, 0, "Thu Jan  1 00:00:00 1970"],
+        1       => [1, 0, 0, 1, 0, 70, 4, 0, 0, "Thu Jan  1 00:00:01 1970"],
+        2**30   => [4, 37, 13, 10, 0, 104, 6, 9, 0, "Sat Jan 10 13:37:04 2004"],
+        2**31   => [8, 14, 3, 19, 0, 138, 2, 18, 0, "Tue Jan 19 03:14:08 2038"],
+        2**32   => [16, 28, 6, 7, 1, 206, 0, 37, 0, "Sun Feb  7 06:28:16 2106"],
+        2**39   => [8, 18, 12, 25, 0, 17491, 2, 24, 0, "Tue Jan 25 12:18:08 19391"],
+    );
+
+    for my $time (keys %tests) {
+        my @expected  = @{$tests{$time}};
+        my $scalar    = pop @expected;
+
+        ok eq_array([gmtime($time)], \@expected),  "gmtime($time) list context";
+        is scalar gmtime($time), $scalar,       "  scalar";
+    }
+}
+
+
+# Test localtime
+{
+    # We pick times which fall in the middle of a month, so the month and year should be
+    # the same regardless of the time zone.
+    my %tests = (
+        # time_t           month, year,  scalar
+        -8589934592     => [9,    -203,                 qr/Oct \d+ .* 1697$/],
+        -1296000        => [11,   69,                   qr/Dec \d+ .* 1969$/],
+        1296000         => [0,    70,                   qr/Jan \d+ .* 1970$/],
+        5000000000      => [5,    228,                  qr/Jun \d+ .* 2128$/],
+        1163500000      => [10,   106,                  qr/Nov \d+ .* 2006$/],
+    );
+
+    for my $time (keys %tests) {
+        my @expected  = @{$tests{$time}};
+        my $scalar    = pop @expected;
+
+        my @time = (localtime($time))[4,5];
+        ok( eq_array(\@time, \@expected),  "localtime($time) list context" )
+          or diag("@time");
+        like scalar localtime($time), $scalar,       "  scalar";
+    }
+}
+
+# Test floating point args
+{
+    eval {
+        $SIG{__WARN__} = sub { die @_; };
+        localtime(1.23);
+    };
+    is($@, '', 'Ignore fractional time');
+    eval {
+        $SIG{__WARN__} = sub { die @_; };
+        gmtime(1.23);
+    };
+    is($@, '', 'Ignore fractional time');
 }