1 files changed, 37 insertions, 0 deletions
diff --git a/t/03-detect.t b/t/03-detect.t
new file mode 100644
index 0000000..6c4f7d3
--- /dev/null
+++ b/t/03-detect.t
@@ -0,0 +1,37 @@
+#!/usr/bin/env perl
+use strict;
+use warnings;
+use Test::More;
+BEGIN {
+    eval "use IO::Pty::Easy;";
+    plan skip_all => "IO::Pty::Easy is required for this test" if $@;
+    plan tests => 2;
+}
+
+sub output_is {
+    local $Test::Builder::Level = $Test::Builder::Level + 1;
+    my ($script, $expected, $desc) = @_;
+    my $pty = IO::Pty::Easy->new;
+    $pty->spawn("$^X", "-e", $script);
+    is($pty->read, $expected, $desc);
+}
+
+output_is(<<EOF,
+    use Carp::Always::Color;
+    warn "foo";
+EOF
+    "\e[33mfoo\e[m at -e line 2\n",
+    "detection works for terminal output");
+
+output_is(<<EOF,
+    my \$stderr;
+    BEGIN {
+        close(STDERR);
+        open(STDERR, '>', \\\$stderr);
+    }
+    use Carp::Always::Color;
+    warn "foo";
+    print \$stderr;
+EOF
+    "<span style=\"color:#880\">foo</span> at -e line 7\n",
+    "detection works for terminal output");