diff --git a/testcases/t/41-resize.t b/testcases/t/41-resize.t
index 1717e8f2..33f4889c 100644
--- a/testcases/t/41-resize.t
+++ b/testcases/t/41-resize.t
@@ -46,4 +46,75 @@ cmd 'split h';
 is($nodes->[0]->{percent}, 0.25, 'top window got only 25%');
 is($nodes->[1]->{percent}, 0.75, 'bottom window got 75%');
 
+############################################################
+# checks that resizing floating windows works
+############################################################
+
+$tmp = fresh_workspace;
+
+$top = open_standard_window($x);
+sleep 0.25;
+
+cmd 'floating enable';
+
+my @content = @{get_ws($tmp)->{floating_nodes}};
+cmp_ok(@content, '==', 1, 'one floating node on this ws');
+
+# up
+my $oldrect = $content[0]->{rect};
+
+cmd 'resize grow up 10 px or 25 ppt';
+
+@content = @{get_ws($tmp)->{floating_nodes}};
+cmp_ok($content[0]->{rect}->{y}, '<', $oldrect->{y}, 'y smaller than before');
+cmp_ok($content[0]->{rect}->{y}, '==', $oldrect->{y} - 10, 'y exactly 10 px smaller');
+cmp_ok($content[0]->{rect}->{x}, '==', $oldrect->{x}, 'x untouched');
+cmp_ok($content[0]->{rect}->{height}, '>', $oldrect->{height}, 'height bigger than before');
+cmp_ok($content[0]->{rect}->{height}, '==', $oldrect->{height} + 10, 'height exactly 10 px higher');
+cmp_ok($content[0]->{rect}->{width}, '==', $oldrect->{width}, 'x untouched');
+
+# up, but with a different amount of px
+$oldrect = $content[0]->{rect};
+
+cmd 'resize grow up 12 px or 25 ppt';
+
+@content = @{get_ws($tmp)->{floating_nodes}};
+cmp_ok($content[0]->{rect}->{y}, '<', $oldrect->{y}, 'y smaller than before');
+cmp_ok($content[0]->{rect}->{y}, '==', $oldrect->{y} - 12, 'y exactly 10 px smaller');
+cmp_ok($content[0]->{rect}->{x}, '==', $oldrect->{x}, 'x untouched');
+cmp_ok($content[0]->{rect}->{height}, '>', $oldrect->{height}, 'height bigger than before');
+cmp_ok($content[0]->{rect}->{height}, '==', $oldrect->{height} + 12, 'height exactly 10 px higher');
+cmp_ok($content[0]->{rect}->{width}, '==', $oldrect->{width}, 'x untouched');
+
+# left
+$oldrect = $content[0]->{rect};
+
+cmd 'resize grow left 10 px or 25 ppt';
+
+@content = @{get_ws($tmp)->{floating_nodes}};
+cmp_ok($content[0]->{rect}->{x}, '<', $oldrect->{x}, 'x smaller than before');
+cmp_ok($content[0]->{rect}->{width}, '>', $oldrect->{width}, 'width bigger than before');
+
+# right
+$oldrect = $content[0]->{rect};
+
+cmd 'resize grow right 10 px or 25 ppt';
+
+@content = @{get_ws($tmp)->{floating_nodes}};
+cmp_ok($content[0]->{rect}->{x}, '==', $oldrect->{x}, 'x the same as before');
+cmp_ok($content[0]->{rect}->{y}, '==', $oldrect->{y}, 'y the same as before');
+cmp_ok($content[0]->{rect}->{width}, '>', $oldrect->{width}, 'width bigger than before');
+cmp_ok($content[0]->{rect}->{height}, '==', $oldrect->{height}, 'height the same as before');
+
+# down
+$oldrect = $content[0]->{rect};
+
+cmd 'resize grow down 10 px or 25 ppt';
+
+@content = @{get_ws($tmp)->{floating_nodes}};
+cmp_ok($content[0]->{rect}->{x}, '==', $oldrect->{x}, 'x the same as before');
+cmp_ok($content[0]->{rect}->{y}, '==', $oldrect->{y}, 'y the same as before');
+cmp_ok($content[0]->{rect}->{height}, '>', $oldrect->{height}, 'height bigger than before');
+cmp_ok($content[0]->{rect}->{width}, '==', $oldrect->{width}, 'width the same as before');
+
 done_testing;