From 59cb041d0a56d8555857da7e063ec61504ee1fa7 Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Wed, 18 Dec 2019 22:26:31 +0100
Subject: patch 8.2.0023: command line editing not sufficiently tested

Problem:    Command line editing not sufficiently tested.
Solution:   Add more tests. (Dominique Pelle, closes #5374)
---
 src/testdir/test_ex_mode.vim | 54 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 src/testdir/test_ex_mode.vim

(limited to 'src/testdir/test_ex_mode.vim')

diff --git a/src/testdir/test_ex_mode.vim b/src/testdir/test_ex_mode.vim
new file mode 100644
index 000000000..00a35a306
--- /dev/null
+++ b/src/testdir/test_ex_mode.vim
@@ -0,0 +1,54 @@
+" Test editing line in Ex mode (see :help Q and :help gQ).
+
+" Helper function to test editing line in Q Ex mode
+func Ex_Q(cmd)
+  " Is there a simpler way to test editing Ex line?
+  call feedkeys("Q"
+        \    .. "let s:test_ex =<< END\<CR>"
+        \    .. a:cmd .. "\<CR>"
+        \    .. "END\<CR>"
+        \    .. "visual\<CR>", 'tx')
+  return s:test_ex[0]
+endfunc
+
+" Helper function to test editing line in gQ Ex mode
+func Ex_gQ(cmd)
+  call feedkeys("gQ" .. a:cmd .. "\<C-b>\"\<CR>", 'tx')
+  let ret = @:[1:] " Remove leading quote.
+  call feedkeys("visual\<CR>", 'tx')
+  return ret
+endfunc
+
+" Helper function to test editing line with both Q and gQ Ex mode.
+func Ex(cmd)
+ return [Ex_Q(a:cmd), Ex_gQ(a:cmd)]
+endfunc
+
+" Test editing line in Ex mode (both Q and gQ)
+func Test_ex_mode()
+  let encoding_save = &encoding
+  set sw=2
+
+  for e in ['utf8', 'latin1']
+    exe 'set encoding=' . e
+
+    call assert_equal(['bar', 'bar'],             Ex("foo bar\<C-u>bar"), e)
+    call assert_equal(["1\<C-u>2", "1\<C-u>2"],   Ex("1\<C-v>\<C-u>2"), e)
+    call assert_equal(["1\<C-b>2\<C-e>3", '213'], Ex("1\<C-b>2\<C-e>3"), e)
+    call assert_equal(['0123', '2013'],           Ex("01\<Home>2\<End>3"), e)
+    call assert_equal(['0123', '0213'],           Ex("01\<Left>2\<Right>3"), e)
+    call assert_equal(['01234', '0342'],          Ex("012\<Left>\<Left>\<Insert>3\<Insert>4"), e)
+    call assert_equal(["foo bar\<C-w>", 'foo '],  Ex("foo bar\<C-w>"), e)
+    call assert_equal(['foo', 'foo'],             Ex("fooba\<Del>\<Del>"), e)
+    call assert_equal(["foo\tbar", 'foobar'],     Ex("foo\<Tab>bar"), e)
+    call assert_equal(["abbrev\t", 'abbreviate'], Ex("abbrev\<Tab>"), e)
+    call assert_equal(['    1', "1\<C-t>\<C-t>"], Ex("1\<C-t>\<C-t>"), e)
+    call assert_equal(['  1', "1\<C-t>\<C-t>"],   Ex("1\<C-t>\<C-t>\<C-d>"), e)
+    call assert_equal(['  foo', '    foo'],       Ex("    foo\<C-d>"), e)
+    call assert_equal(['foo', '    foo0'],        Ex("    foo0\<C-d>"), e)
+    call assert_equal(['foo', '    foo^'],        Ex("    foo^\<C-d>"), e)
+  endfor
+
+  set sw&
+  let &encoding = encoding_save
+endfunc
-- 
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