Begin work on X test. So far, checks if q, x and ESC quit feh

Makefile

@@ -6,6 +6,17 @@ all:
 test: all
 	@PACKAGE=${PACKAGE} VERSION=${VERSION} prove test
 
+test-interactive: all
+	@if [ "$$(whoami)" != derf ]; then \
+		echo "Note: This will do stuff with your X and take a while"; \
+		echo "If you don't know what's going on, hit ^C now"; \
+		sleep 5; \
+		echo "Okay, running test"; \
+	fi
+	@if [ "$$(whoami)" = derf ]; then setxkbmap us; fi
+	@prove test/*.i
+	@if [ "$$(whoami)" = derf ]; then setxkbmap greedy; fi
+
 install: install-man install-doc install-bin install-font install-img
 
 install-man:

test/feh.i

+#!/usr/bin/env perl
+use strict;
+use warnings;
+use 5.010;
+
+use Test::More tests => 3;
+use X11::GUITest qw/
+	FindWindowLike
+	StartApp
+	SendKeys
+	WaitWindowViewable
+/;
+
+sub feh_start {
+	my ($opts, $files) = @_;
+
+	$opts //= q{};
+	$files //= 'test/ok.png';
+
+	StartApp("feh ${opts} ${files}");
+	if (WaitWindowViewable(qr{^feh}) == 0) {
+		BAIL_OUT("Unable to start feh ${opts} ${files}");
+	}
+}
+
+sub test_no_win {
+	my ($reason) = @_;
+
+	for (1 .. 10) {
+		sleep(0.1);
+		if (FindWindowLike(qr{^feh}) == 0) {
+			pass("Window closed ($reason)");
+			return;
+		}
+	}
+	fail("Window closed ($reason)");
+	BAIL_OUT("unclosed window still open, cannot continue");
+}
+
+if (FindWindowLike(qr{^feh})) {
+	BAIL_OUT('It appears you have an open feh window. Please close it.');
+}
+
+for my $key (qw/q x {ESC}/) {
+	feh_start();
+	SendKeys($key);
+	test_no_win("$key pressed");
+}