tests: rename files (00x-*.t is basic stuff, >=100-*.t are tests using IPC)

testcases/t/004-unmanaged.t

@@ -0,0 +1,33 @@
+#!perl
+# vim:ts=4:sw=4:expandtab
+
+use i3test;
+use X11::XCB qw(:all);
+
+BEGIN {
+    use_ok('X11::XCB::Window');
+}
+
+my $x = X11::XCB::Connection->new;
+
+my $original_rect = X11::XCB::Rect->new(x => 0, y => 0, width => 30, height => 30);
+
+my $window = $x->root->create_child(
+    class => WINDOW_CLASS_INPUT_OUTPUT,
+    rect => $original_rect,
+    override_redirect => 1,
+    background_color => '#C0C0C0',
+);
+
+isa_ok($window, 'X11::XCB::Window');
+
+is_deeply($window->rect, $original_rect, "rect unmodified before mapping");
+
+$window->map;
+
+my $new_rect = $window->rect;
+isa_ok($new_rect, 'X11::XCB::Rect');
+
+is_deeply($new_rect, $original_rect, "window untouched");
+
+done_testing;