1 files changed, 79 insertions, 0 deletions
diff --git a/t/comp/redef.t b/t/comp/redef.t
new file mode 100644
index 0000000000..6a73ae1c2e
--- /dev/null
+++ b/t/comp/redef.t
@@ -0,0 +1,79 @@
+#!./perl
+#
+# Contributed by Graham Barr <Graham.Barr@tiuk.ti.com>
+
+BEGIN {
+    $^W = 1;
+    $warn = "";
+    $SIG{__WARN__} = sub { $warn .= join("",@_) }
+}
+
+sub ok ($$) { 
+    print $_[1] ? "ok " : "not ok ", $_[0], "\n";
+}
+
+print "1..18\n";
+
+sub sub0 { 1 }
+sub sub0 { 2 }
+
+ok 1, $warn =~ s/Subroutine sub0 redefined[^\n]+\n//s;
+
+sub sub1    { 1 }
+sub sub1 () { 2 }
+
+ok 2, $warn =~ s/Prototype mismatch: \Q(none) vs ()\E[^\n]+\n//s;
+ok 3, $warn =~ s/Subroutine sub1 redefined[^\n]+\n//s;
+
+sub sub2     { 1 }
+sub sub2 ($) { 2 }
+
+ok 4, $warn =~ s/Prototype mismatch: \Q(none) vs ($)\E[^\n]+\n//s;
+ok 5, $warn =~ s/Subroutine sub2 redefined[^\n]+\n//s;
+
+sub sub3 () { 1 }
+sub sub3    { 2 }
+
+ok 6, $warn =~ s/Prototype mismatch: \Q() vs (none)\E[^\n]+\n//s;
+ok 7, $warn =~ s/Constant subroutine sub3 redefined[^\n]+\n//s;
+
+sub sub4 () { 1 }
+sub sub4 () { 2 }
+
+ok 8, $warn =~ s/Constant subroutine sub4 redefined[^\n]+\n//s;
+
+sub sub5 ()  { 1 }
+sub sub5 ($) { 2 }
+
+ok  9, $warn =~ s/Prototype mismatch: \Q() vs ($)\E[^\n]+\n//s;
+ok 10, $warn =~ s/Constant subroutine sub5 redefined[^\n]+\n//s;
+
+sub sub6 ($) { 1 }
+sub sub6     { 2 }
+
+ok 11, $warn =~ s/Prototype mismatch: \Q($) vs (none)\E[^\n]+\n//s;
+ok 12, $warn =~ s/Subroutine sub6 redefined[^\n]+\n//s;
+
+sub sub7 ($) { 1 }
+sub sub7 ()  { 2 }
+
+ok 13, $warn =~ s/Prototype mismatch: \Q($) vs ()\E[^\n]+\n//s;
+ok 14, $warn =~ s/Subroutine sub7 redefined[^\n]+\n//s;
+
+sub sub8 ($) { 1 }
+sub sub8 ($) { 2 }
+
+ok 15, $warn =~ s/Subroutine sub8 redefined[^\n]+\n//s;
+
+sub sub9 ($@) { 1 }
+sub sub9 ($)  { 2 }
+
+ok 16, $warn =~ s/Prototype mismatch: \(\$\Q@) vs ($)\E[^\n]+\n//s;
+ok 17, $warn =~ s/Subroutine sub9 redefined[^\n]+\n//s;
+
+ok 18, $_ eq '';
+
+# If we got any errors that we were not expecting, then print them
+print $_ if length $_;
+
+