Add test for :drop

Cf. https://github.com/neovim/neovim/pull/4995

1 files changed, 80 insertions, 0 deletions

diff --git a/test/functional/ex_cmds/drop_spec.lua b/test/functional/ex_cmds/drop_spec.lua
new file mode 100644
index 0000000000..16b194dd7d
--- /dev/null
+++ b/test/functional/ex_cmds/drop_spec.lua
@@ -0,0 +1,80 @@
+local helpers = require('test.functional.helpers')(after_each)
+local Screen = require('test.functional.ui.screen')
+local clear, feed, execute = helpers.clear, helpers.feed, helpers.execute
+
+describe(":drop", function()
+  local screen
+
+  before_each(function()
+    clear()
+    screen = Screen.new(35, 10)
+    screen:attach()
+    screen:set_default_attr_ignore({{bold=true, foreground=Screen.colors.Blue}})
+    screen:set_default_attr_ids({
+      [1] = {bold = true, reverse = true},
+      [2] = {reverse = true},
+      [3] = {bold = true},
+    })
+    execute("set laststatus=2")
+  end)
+
+  after_each(function()
+    screen:detach()
+  end)
+
+  it("works like :e when called with only one window open", function()
+    execute("drop tmp1.vim")
+    screen:expect([[
+      ^                                   |
+      ~                                  |
+      ~                                  |
+      ~                                  |
+      ~                                  |
+      ~                                  |
+      ~                                  |
+      ~                                  |
+      {1:tmp1.vim                           }|
+      "tmp1.vim" [New File]              |
+    ]])
+  end)
+
+  it("switches to an open window showing the buffer", function()
+    execute("edit tmp1")
+    execute("vsplit")
+    execute("edit tmp2")
+    execute("drop tmp1")
+    screen:expect([[
+                    {2:|}^                    |
+      ~             {2:|}~                   |
+      ~             {2:|}~                   |
+      ~             {2:|}~                   |
+      ~             {2:|}~                   |
+      ~             {2:|}~                   |
+      ~             {2:|}~                   |
+      ~             {2:|}~                   |
+      {2:tmp2           }{1:tmp1                }|
+      :drop tmp1                         |
+    ]])
+  end)
+
+  it("splits off a new window when a buffer can't be abandoned", function()
+    execute("edit tmp1")
+    execute("vsplit")
+    execute("edit tmp2")
+    feed("iABC<esc>")
+    execute("drop tmp3")
+    screen:expect([[
+      ^                    {2:|}              |
+      ~                   {2:|}~             |
+      ~                   {2:|}~             |
+      ~                   {2:|}~             |
+      {1:tmp3                }{2:|}~             |
+      ABC                 {2:|}~             |
+      ~                   {2:|}~             |
+      ~                   {2:|}~             |
+      {2:tmp2 [+]             tmp1          }|
+      "tmp3" [New File]                  |
+    ]])
+  end)
+
+end)