shadow previously set signs #1893

test/functional/ui/sign_spec.lua

@@ -0,0 +1,45 @@
+local helpers = require('test.functional.helpers')
+local Screen = require('test.functional.ui.screen')
+local clear, feed, execute = helpers.clear, helpers.feed, helpers.execute
+
+describe('Signs', function()
+  local screen
+
+  before_each(function()
+    clear()
+    screen = Screen.new()
+    screen:attach()
+    screen:set_default_attr_ignore( {{}, {bold=true, foreground=255}} ) 
+  end)
+
+  after_each(function()
+    screen:detach()
+  end)
+
+  describe(':sign place', function()
+    it('shadows previously placed signs', function()
+      feed('ia<cr>b<cr>c<cr><esc>')
+      execute('sign define piet text=>> texthl=Search')
+      execute('sign define pietx text=>! texthl=Search')
+      execute('sign place 1 line=1 name=piet buffer=1')
+      execute('sign place 2 line=3 name=piet buffer=1')
+      execute('sign place 3 line=1 name=pietx buffer=1')
+      screen:expect([[
+        >!a                                                  |
+          b                                                  |
+        >>c                                                  |
+          ^                                                  |
+          ~                                                  |
+          ~                                                  |
+          ~                                                  |
+          ~                                                  |
+          ~                                                  |
+          ~                                                  |
+          ~                                                  |
+          ~                                                  |
+          ~                                                  |
+        :sign place 3 line=1 name=pietx buffer=1             |
+      ]])
+    end)
+  end)
+end)