Added test_regex.vim that I forgot

Author: ubaldot

test/test_regex.vim

@@ -0,0 +1,94 @@
+vim9script noclear
+
+import "../after/ftplugin/markdown.vim"
+
+var italic_regex = markdown.italic_regex
+var bold_regex = markdown.bold_regex
+var code_regex = markdown.code_regex
+var strikethrough_regex = markdown.strikethrough_regex
+
+var src_name = 'testfile.md'
+
+def Generate_markdown_testfile()
+  var lines =<< trim END
+        Sed ut perspiciatis unde omnis iste **natus error sit voluptatem
+        accusantium** doloremque *laudantium, totam rem aperiam, eaque ipsa quae
+        ab illo inventore veritatis *et quasi architecto beatae vitae dicta
+        sunt \*\*explicabo. Nemo *enim ipsam voluptatem* quia voluptas sit
+        aspernatur **aut odit aut fugit,** sed quia consequuntur magni dolores eos
+        qui ~~ratione voluptatem sequi nesciunt.~~
+
+        Neque porro quisquam \**est*\*, qui dolorem ipsum quia dolor sit amet,
+        consectetur, adipisci velit, sed quia non numquam eius modi tempora
+        incidunt ut labore et dolore *\*magnam\** aliquam quaerat voluptatem. Ut
+        enim ad \~ minima veniam, quis nostrum exercitationem ullam corporis
+        suscipit laboriosam, nisi \*ut aliquid ex ea \~~commodi consequatur?
+
+        Quis autem ~vel eum iure reprehenderit qui in ea voluptate velit esse
+        quam nihil molestiae consequatur,~ vel `illum qui \~ dolorem eum` fugiat quo
+        voluptas nulla \` pariatur``?
+  END
+   writefile(lines, src_name)
+enddef
+
+def Cleanup_markdown_testfile()
+   delete(src_name)
+enddef
+
+# Tests start here
+def g:Test_regex()
+  Generate_markdown_testfile()
+
+  exe $"edit {src_name}"
+  setlocal conceallevel=0
+
+  # Italic
+  var expected_pos = [[2, 26], [3, 29], [4, 26], [4, 48],
+    [8, 24], [8, 28], [10, 30], [10, 41], [0, 0]]
+  var actual_pos = []
+  var tmp = []
+  cursor(1, 1)
+  while tmp != [0, 0]
+    tmp = searchpos(italic_regex, 'W')
+    add(actual_pos, tmp)
+  endwhile
+  assert_equal(expected_pos, actual_pos)
+
+  # Bold
+  expected_pos = [[1, 37], [2, 12], [5, 12], [5, 33], [0, 0]]
+  actual_pos = []
+  tmp = []
+  cursor(1, 1)
+  while tmp != [0, 0]
+    tmp = searchpos(bold_regex, 'W')
+    add(actual_pos, tmp)
+  endwhile
+  assert_equal(expected_pos, actual_pos)
+
+  # Code
+  expected_pos = [[15, 40], [15, 65], [0, 0]]
+  actual_pos = []
+  tmp = []
+  cursor(1, 1)
+  while tmp != [0, 0]
+    tmp = searchpos(code_regex, 'W')
+    add(actual_pos, tmp)
+  endwhile
+  assert_equal(expected_pos, actual_pos)
+
+  # Strkethrough
+  expected_pos = [[6, 5], [6, 41], [0, 0]]
+  actual_pos = []
+  tmp = []
+  cursor(1, 1)
+  while tmp != [0, 0]
+    tmp = searchpos(strikethrough_regex, 'W')
+    add(actual_pos, tmp)
+  endwhile
+  assert_equal(expected_pos, actual_pos)
+
+  # redraw!
+  # sleep 3
+  :%bw!
+  Cleanup_markdown_testfile()
+enddef