From cb9e0a051f7ed36d7f03819f9d71b3000164b826 Mon Sep 17 00:00:00 2001
From: Björn Linse <bjorn.linse@gmail.com>
Date: Sat, 13 Jul 2019 14:05:52 +0200
Subject: floats: fix 'winblend' on top of doublewidth chars.

The interaction between 'winblend' and doublewidth chars in the background
does not look very good. But check no chars get incorrectly placed
at least.

Also check that hidden EndOfBuffer region (from style="minimal") blends
correctly.
---
 test/functional/ui/float_spec.lua | 90 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 90 insertions(+)

(limited to 'test/functional/ui')

diff --git a/test/functional/ui/float_spec.lua b/test/functional/ui/float_spec.lua
index 68a23db0a2..8a1758c4a0 100644
--- a/test/functional/ui/float_spec.lua
+++ b/test/functional/ui/float_spec.lua
@@ -4659,6 +4659,96 @@ describe('floating windows', function()
                                                   |
         ]])
       end
+
+      -- The interaction between 'winblend' and doublewidth chars in the background
+      -- does not look very good. But check no chars get incorrectly placed
+      -- at least. Also check invisible EndOfBuffer region blends correctly.
+      meths.buf_set_lines(buf, 0, -1, true, {" x x  x   xx", "  x x  x   x"})
+      win = meths.open_win(buf, false, {relative='editor', width=12, height=3, row=0, col=11, style='minimal'})
+      meths.win_set_option(win, 'winblend', 30)
+      screen:set_default_attr_ids({
+        [1] = {foreground = tonumber('0xb282b2'), background = tonumber('0xffcfff')},
+        [2] = {foreground = Screen.colors.Grey0, background = tonumber('0xffcfff')},
+        [3] = {bold = true, foreground = Screen.colors.Blue1},
+        [4] = {background = tonumber('0xffcfff'), bold = true, foreground = tonumber('0xb282ff')},
+        [5] = {background = Screen.colors.LightMagenta},
+      })
+      if multigrid then
+        screen:expect{grid=[[
+        ## grid 1
+          [2:----------------------------------------]|
+          [2:----------------------------------------]|
+          [2:----------------------------------------]|
+          [2:----------------------------------------]|
+          [2:----------------------------------------]|
+          [2:----------------------------------------]|
+                                                  |
+        ## grid 2
+          # TODO: 测试字典信息的准确性            |
+          # FIXME: 测试字典信息的准确^性           |
+          {3:~                                       }|
+          {3:~                                       }|
+          {3:~                                       }|
+          {3:~                                       }|
+        ## grid 5
+          {5: x x  x   xx}|
+          {5:  x x  x   x}|
+          {5:            }|
+        ]], float_pos={
+          [5] = { {
+              id = 1003
+            }, "NW", 1, 0, 11, true }
+        }}
+      else
+        screen:expect([[
+          # TODO: 测 {2: x x  x}{1:息}{2: xx} 确性            |
+          # FIXME: 测{1:试}{2:x x  x}{1:息}{2: x}准确^性           |
+          {3:~          }{4:            }{3:                 }|
+          {3:~                                       }|
+          {3:~                                       }|
+          {3:~                                       }|
+                                                  |
+        ]])
+      end
+
+      meths.win_set_config(win, {relative='editor', row=0, col=12})
+      if multigrid then
+        screen:expect{grid=[[
+        ## grid 1
+          [2:----------------------------------------]|
+          [2:----------------------------------------]|
+          [2:----------------------------------------]|
+          [2:----------------------------------------]|
+          [2:----------------------------------------]|
+          [2:----------------------------------------]|
+                                                  |
+        ## grid 2
+          # TODO: 测试字典信息的准确性            |
+          # FIXME: 测试字典信息的准确^性           |
+          {3:~                                       }|
+          {3:~                                       }|
+          {3:~                                       }|
+          {3:~                                       }|
+        ## grid 5
+          {5: x x  x   xx}|
+          {5:  x x  x   x}|
+          {5:            }|
+        ]], float_pos={
+          [5] = { {
+              id = 1003
+            }, "NW", 1, 0, 12, true }
+        }}
+      else
+        screen:expect([[
+          # TODO: 测试{2: x x}{1:信}{2:x }{1:的}{2:xx}确性            |
+          # FIXME: 测 {2:  x x}{1:信}{2:x }{1:的}{2:x} 确^性           |
+          {3:~           }{4:            }{3:                }|
+          {3:~                                       }|
+          {3:~                                       }|
+          {3:~                                       }|
+                                                  |
+        ]])
+      end
     end)
   end
 
-- 
cgit