--- /dev/null
+#!/usr/bin/perl
+
+BEGIN {
+ chdir 't' if -d 't';
+ unshift @INC, '../blib/lib';
+}
+
+use strict;
+use warnings;
+
+use Test::Exception;
+use Carp;
+
+use constant TESTS =>(
+ [ "ok", ["my warning"], ["my"], "standard warning to find"],
+ ["not ok", ["my warning"], ["another"], "another warning instead of my warning"],
+ ["not ok", ["warning general not"], ["^(?!warning general)"], "quite only a sub warning"],
+ ["not ok", [], ["a warning"], "no warning, but expected one"],
+ ["not ok", ["a warning"], [], "warning, but didn't expect one"],
+ [ "ok", [], [], "no warning"],
+ [ "ok", ['$!"%&/()='], ['\$\!\"\%\&\/\(\)\='], "warning with crazy letters"],
+ ["not ok", ["warning 1","warning 2"], ["warning 1"], "more than one warning (1)"],
+ ["not ok", ["warning 1","warning 2"], ["warning 2"], "more than one warning (2)"],
+ [ "ok", ["warning 1","warning 2"], ["warning 1", "warning 2"], "more than one warning (standard ok)"],
+ [ "ok", ["warning 1","warning 1"], ["warning 1", "warning 1"], "more than one warning (two similar warnings)"],
+ ["not ok", ["warning 1","warning 2"], ["warning 2", "warning 1"], "more than one warning (different order)"],
+ [ "ok", [('01' .. '99')], [('01' .. '99')], "many warnings ok"],
+ ["not ok", [('01' .. '99')], [('01' .. '99'), '100'], "many, but diff. warnings"]
+);
+use constant SUBTESTS_PER_TESTS => 32;
+
+use Test::Builder::Tester tests => TESTS() * SUBTESTS_PER_TESTS;
+use Test::Warn;
+
+Test::Builder::Tester::color 'on';
+
+use constant WARN_LINE => line_num +2;
+sub _make_warn {
+ warn $_ for @_;
+}
+
+use constant CARP_LINE => line_num +2;
+sub _make_carp {
+ carp $_ for @_;
+}
+
+use constant CARP_LEVELS => (0 .. 3);
+sub _create_exp_warning {
+ my ($carplevel, $warning) = @_;
+ # ['x', 'y', 'z']
+ return $warning if $carplevel == 0;
+ return [map { {carped => $_} } @$warning] if $carplevel == 1;
+ return {carped => $warning} if $carplevel == 2;
+ return [{carped => $warning}] if $carplevel == 3;
+}
+
+my $i = 0;
+test_warnings_like(@$_) foreach TESTS();
+
+sub test_warnings_like {
+ my ($ok, $msg, $exp_warning, $testname) = @_;
+ for my $regexes ([map {qr/$_/} @$exp_warning], [map {"/$_/"} @$exp_warning]) {
+ for my $carp (CARP_LEVELS) {
+ *_found_msg = $carp ? *_found_carp_msg : *_found_warn_msg;
+ *_exp_msg = $carp ? *_exp_carp_msg : *_exp_warn_msg;
+ *_make_warn_or_carp = $carp ? *_make_carp : *_make_warn;
+ for my $t (undef, $testname) {
+ for my $is_or_are (qw/is are/) {
+ test_out "$ok 1" . ($t ? " - $t" : "");
+ if ($ok =~ /not/) {
+ test_fail +5;
+ test_diag _found_msg(@$msg);
+ test_diag _exp_msg(@$regexes);
+ }
+ my $ew = _create_exp_warning($carp, $regexes);
+ $is_or_are eq 'is' ? warning_like {_make_warn_or_carp(@$msg)} $ew, $t : warnings_like {_make_warn_or_carp(@$msg)} $ew, $t;
+ test_test "$testname (with" . ($t ? "" : "out") . " a testname)";
+ }
+ }
+ }
+ }
+}
+
+sub _found_warn_msg {
+ @_ ? map({"found warning: $_ at ". __FILE__ . " line " . WARN_LINE . "." } @_)
+ : "didn't found a warning";
+}
+
+sub _found_carp_msg {
+ @_ ? map({"found carped warning: $_ at ". __FILE__ . " line " . CARP_LINE} @_)
+ : "didn't found a warning";
+}
+
+
+sub _exp_warn_msg {
+ @_ ? map({"expected to find warning: $_" } @_)
+ : "didn't expect to find a warning";
+}
+
+sub _exp_carp_msg {
+ @_ ? map({"expected to find carped warning: $_" } @_)
+ : "didn't expect to find a warning";
+}