X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2Finteger.t;h=c1bb4d04cf2d7d9f6bfea40455543846d0cb7361;hb=dfa4e5d386dd8c5329351699b02085856cdd140e;hp=4184747c3e2ee2ca173954c469bdd1431b2f3ca1;hpb=4d0ed6f7ca164e8f0de0f0e2228fdb2e304666cb;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/lib/integer.t b/lib/integer.t
index 4184747..c1bb4d0 100644
--- a/lib/integer.t
+++ b/lib/integer.t
@@ -1,6 +1,13 @@
+#!./perl
+
+BEGIN {
+    chdir 't' if -d 't';
+    @INC = '../lib';
+}
+
 use integer;
 
-use Test::More tests => 11;
+use Test::More tests => 15;
 use Config;
 
 my $x = 4.5;
@@ -43,4 +50,20 @@ SKIP: {
     }
 }
 
-is(~0, -1, "unsigned");
+is(~0, -1, "signed instead of unsigned");
+
+# [perl #38485] use integer; 0x80000000/-1;
+SKIP: {
+    my $ivsize = $Config{ivsize};
+    skip "ivsize == $ivsize", 4 unless $ivsize == 4 || $ivsize == 8;
+
+    my $iv_min = $ivsize == 4 ? -2147483648 : -9223372036854775808;
+    my $biff;
+    eval { $biff = $iv_min / -1 };
+    is($@, '', 'IV_MIN / -1 succeeds');
+    is($biff, -$iv_min, 'IV_MIN / -1 == -IV_MIN');
+
+    eval { $biff = $iv_min % -1 };
+    is($@, '', 'IV_MIN % -1 succeeds');
+    is($biff, 0, 'IV_MIN % -1 == 0');
+}