Test ok() return value, with overloading, and failing

[perl/modules/Test-Leaner.git] / t / 21-ok-failing.t

diff --git a/t/21-ok-failing.t b/t/21-ok-failing.t
new file mode 100644 (file)
index 0000000..c00ab83
--- /dev/null
+++ b/t/21-ok-failing.t
@@ -0,0 +1,69 @@
+#!perl -T
+
+use strict;
+use warnings;
+
+use Test::More;
+
+use Test::Leaner ();
+
+use lib 't/lib';
+use Test::Leaner::TestHelper;
+
+my $buf;
+capture_to_buffer $buf
+                  or plan skip_all =>'perl 5.8 required to test ok() failing';
+
+plan tests => 3 * 5;
+
+reset_buffer {
+ local $@;
+ my $ret = eval { Test::Leaner::ok(0) };
+ is $@,    '',           'ok(0) does not croak';
+ ok !$ret,               'ok(0) returns false';
+ is $buf,  "not ok 1\n", 'ok(0) produces the correct TAP code';
+};
+
+reset_buffer {
+ local $@;
+ my $ret = eval { Test::Leaner::ok(undef) };
+ is $@,    '',           'ok(undef) does not croak';
+ ok !$ret,               'ok(undef) returns false';
+ is $buf,  "not ok 2\n", 'ok(undef) produces the correct TAP code';
+};
+
+reset_buffer {
+ local $@;
+ my $ret = eval { Test::Leaner::ok(!1) };
+ is $@,    '',           'ok(false) does not croak';
+ ok !$ret,               'ok(false) returns false';
+ is $buf,  "not ok 3\n", 'ok(false) produces the correct TAP code';
+};
+
+reset_buffer {
+ local $@;
+ my $ret = eval { Test::Leaner::ok(0, 'this is a comment') };
+ is $@,    '', 'ok(0, "comment") does not croak';
+ ok !$ret,     'ok(0, "comment") returns false';
+ is $buf,  "not ok 4 - this is a comment\n",
+               'ok(0, "comment") produces the correct TAP code';
+};
+
+{
+ package Test::Leaner::TestOverload::AlwaysFalse;
+
+ use overload 'bool' => sub { !1 };
+
+ sub new { bless { }, shift }
+}
+
+my $z = Test::Leaner::TestOverload::AlwaysFalse->new;
+
+reset_buffer {
+ local $@;
+ my $ret = eval { Test::Leaner::ok($z) };
+ is $@,    '',           'ok($overloaded_false) does not croak';
+ ok !$ret,               'ok($overloaded_false) returns false';
+ is $buf,  "not ok 5\n", 'ok($overloaded_false) produces the correct TAP code';
+};
+