1 files changed, 110 insertions, 0 deletions
diff --git a/test/functional/legacy/083_tag_search_with_file_encoding_spec.lua b/test/functional/legacy/083_tag_search_with_file_encoding_spec.lua
new file mode 100644
index 0000000000..dc6df007e6
--- /dev/null
+++ b/test/functional/legacy/083_tag_search_with_file_encoding_spec.lua
@@ -0,0 +1,110 @@
+-- Tests for tag search with !_TAG_FILE_ENCODING.
+
+local helpers = require('test.functional.helpers')
+local insert, source, clear, expect, write_file = helpers.insert,
+  helpers.source, helpers.clear, helpers.expect, helpers.write_file
+
+local function has_iconv()
+  clear()  -- ensures session
+  return 1 == helpers.eval('has("iconv")')
+end
+
+describe('tag search with !_TAG_FILE_ENCODING', function()
+  setup(function()
+    clear()
+    -- Create some temp files that are needed for the test run.  In the old
+    -- test suite this was done by putting the text inside the file test83.in
+    -- and executing some "/first/,/last/w! tmpfile" commands.
+    write_file('Xtags1.txt', 'text for tags1\nabcdefghijklmnopqrs\n')
+    write_file('Xtags2.txt', 'text for tags2\nＡＢＣ\n')
+    write_file('Xtags3.txt', 'text for tags3\nＡＢＣ\n')
+    write_file('Xtags1', [[
+      !_TAG_FILE_ENCODING	utf-8	//
+      abcdefghijklmnopqrs	Xtags1.txt	/abcdefghijklmnopqrs
+      ]])
+    write_file('test83-tags2',
+      '!_TAG_FILE_ENCODING	cp932	//\n' ..
+      '\x82`\x82a\x82b	Xtags2.txt	/\x82`\x82a\x82b\n'
+      )
+    -- The last file is very long but repetetive and can be generated on the
+    -- fly.
+    local text = helpers.dedent([[
+      !_TAG_FILE_SORTED	1	//
+      !_TAG_FILE_ENCODING	cp932	//
+      ]])
+    local line = '	Xtags3.txt	/\x82`\x82a\x82b\n'
+    for i = 1, 100 do
+      text = text .. 'abc' .. i .. line
+    end
+    write_file('test83-tags3', text)
+  end)
+  teardown(function()
+    os.remove('Xtags1')
+    os.remove('Xtags1.txt')
+    os.remove('Xtags2.txt')
+    os.remove('Xtags3.txt')
+    os.remove('test83-tags2')
+    os.remove('test83-tags3')
+  end)
+
+  if not has_iconv() then
+    pending('skipped (missing iconv)', function() end)
+  else
+    it('is working', function()
+
+      insert('Results of test83')
+
+      -- Case1:
+      source([[
+	new
+	set tags=Xtags1
+	let v:errmsg = ''
+	tag abcdefghijklmnopqrs
+	if v:errmsg =~ 'E426:' || getline('.') != 'abcdefghijklmnopqrs'
+	  close
+	  put ='case1: failed'
+	else
+	  close
+	  put ='case1: ok'
+	endif
+      ]])
+
+      -- Case2:
+      source([[
+	new
+	set tags=test83-tags2
+	let v:errmsg = ''
+	tag /.ＢＣ
+	if v:errmsg =~ 'E426:' || getline('.') != 'ＡＢＣ'
+	  close
+	  put ='case2: failed'
+	else
+	  close
+	  put ='case2: ok'
+	endif
+      ]])
+
+      -- Case3:
+      source([[
+	new
+	set tags=test83-tags3
+	let v:errmsg = ''
+	tag abc50
+	if v:errmsg =~ 'E426:' || getline('.') != 'ＡＢＣ'
+	  close
+	  put ='case3: failed'
+	else
+	  close
+	  put ='case3: ok'
+	endif
+      ]])
+
+      -- Assert buffer contents.
+      expect([[
+	Results of test83
+	case1: ok
+	case2: ok
+	case3: ok]])
+    end)
+  end
+end)