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+vim9script
+
+# Unit tests for the Github Flavored Markdown parser
+
+import '../autoload/lsp/markdown.vim' as md
+
+# Test for different markdowns
+def g:Test_Markdown()
+  var tests: list<list<list<any>>> = [
+    [
+      # Different headings
+      # Input text
+      [
+	'# First level heading',
+	'## Second level heading',
+	'### Third level heading',
+	'#  	  Heading with leading and trailing whitespaces  	   ',
+	'Multiline setext heading  ',
+	'of level 1',
+	'===',
+	'Multiline setext heading\',
+	'of level 2',
+	'---'
+      ],
+      # Expected text
+      [
+	'First level heading',
+	'',
+	'Second level heading',
+	'',
+	'Third level heading',
+	'',
+	'Heading with leading and trailing whitespaces',
+	'',
+	'Multiline setext heading',
+	'of level 1',
+	'',
+	'Multiline setext heading',
+	'of level 2'
+      ],
+      # Expected text properties
+      [
+	[{'col': 1, 'type': 'LspMarkdownHeading', 'length': 19}],
+	[],
+	[{'col': 1, 'type': 'LspMarkdownHeading', 'length': 20}],
+	[],
+	[{'col': 1, 'type': 'LspMarkdownHeading', 'length': 19}],
+	[],
+	[{'col': 1, 'type': 'LspMarkdownHeading', 'length': 45}],
+	[],
+	[{'col': 1, 'type': 'LspMarkdownHeading', 'length': 24}],
+	[{'col': 1, 'type': 'LspMarkdownHeading', 'length': 10}],
+	[],
+	[{'col': 1, 'type': 'LspMarkdownHeading', 'length': 24}],
+	[{'col': 1, 'type': 'LspMarkdownHeading', 'length': 10}],
+      ]
+    ],
+    [
+      # Bold text style
+      # Input text
+      [
+	'This **word** should be bold',
+	'',
+	'**This line should be bold**',
+	'',
+	'This __word__ should be bold',
+	'',
+	'__This line should be bold__'
+      ],
+      # Expected text
+      [
+	'This word should be bold',
+	'',
+	'This line should be bold',
+	'',
+	'This word should be bold',
+	'',
+	'This line should be bold'
+      ],
+      # Expected text properties
+      [
+	[{'col': 6, 'type': 'LspMarkdownBold', 'length': 4}],
+	[],
+	[{'col': 1, 'type': 'LspMarkdownBold', 'length': 24}],
+	[],
+	[{'col': 6, 'type': 'LspMarkdownBold', 'length': 4}],
+	[],
+	[{'col': 1, 'type': 'LspMarkdownBold', 'length': 24}]
+      ]
+    ],
+    [
+      # Italic text style
+      # Input text
+      [
+	'This *word* should be italic',
+	'',
+	'*This line should be italic*',
+	'',
+	'This _word_ should be italic',
+	'',
+	'_This line should be italic_'
+      ],
+      # Expected text
+      [
+	'This word should be italic',
+	'',
+	'This line should be italic',
+	'',
+	'This word should be italic',
+	'',
+	'This line should be italic'
+      ],
+      # Expected text properties
+      [
+	[{'col': 6, 'type': 'LspMarkdownItalic', 'length': 4}],
+	[],
+	[{'col': 1, 'type': 'LspMarkdownItalic', 'length': 26}],
+	[],
+	[{'col': 6, 'type': 'LspMarkdownItalic', 'length': 4}],
+	[],
+	[{'col': 1, 'type': 'LspMarkdownItalic', 'length': 26}]
+      ],
+    ],
+    [
+      # strikethrough text style
+      # Input text
+      [
+	'This ~word~ should be strikethrough',
+	'',
+	'~This line should be strikethrough~'
+      ],
+      # Expected text
+      [
+	'This word should be strikethrough',
+	'',
+	'This line should be strikethrough'
+      ],
+      # Expected text properties
+      [
+	[{'col': 6, 'type': 'LspMarkdownStrikeThrough', 'length': 4}],
+	[],
+	[{'col': 1, 'type': 'LspMarkdownStrikeThrough', 'length': 33}]
+      ]
+    ],
+    [
+      # bold and nested italic text style
+      # Input text
+      [
+	'**This _word_ should be bold and italic**',
+      ],
+      # Expected text
+      [
+	'This word should be bold and italic',
+      ],
+      # Expected text properties
+      [
+	[
+	  {'col': 1, 'type': 'LspMarkdownBold', 'length': 35},
+	  {'col': 6, 'type': 'LspMarkdownItalic', 'length': 4}
+	]
+      ]
+    ],
+    [
+      # all bold and italic text style
+      # Input text
+      [
+	'***This line should be all bold and italic***',
+      ],
+      # Expected text
+      [
+	'This line should be all bold and italic',
+      ],
+      # Expected text properties
+      [
+	[
+	  {'col': 1, 'type': 'LspMarkdownItalic', 'length': 39},
+	  {'col': 1, 'type': 'LspMarkdownBold', 'length': 39}
+	]
+      ]
+    ],
+    [
+      # quoted text
+      # FIXME: The text is not quoted
+      # Input text
+      [
+	'Text that is not quoted',
+	'> quoted text'
+      ],
+      # Expected text
+      [
+	'Text that is not quoted',
+	'',
+	'quoted text'
+      ],
+      # Expected text properties
+      [
+	[], [], []
+      ]
+    ],
+    [
+      # line breaks
+      # Input text
+      [
+	'This paragraph contains ',
+	'a soft line break',
+	'',
+	'This paragraph contains  ',
+	'an hard line break',
+	'',
+	'This paragraph contains an emphasis _before_\',
+	'an hard line break',
+	'',
+	'This paragraph contains an emphasis  ',
+	'_after_ an hard line break',
+	'',
+	'This paragraph _contains\',
+	'an emphasis_ with an hard line break in the middle',
+	'',
+	'→ This paragraph contains an hard line break  ',
+	'and starts with the multibyte character "\u2192"',
+	'',
+	'Line breaks `',
+	'do\',
+	'not  ',
+	'occur',
+	'` inside code spans'
+      ],
+      # Expected text
+      [
+	'This paragraph contains a soft line break',
+	'',
+	'This paragraph contains',
+	'an hard line break',
+	'',
+	'This paragraph contains an emphasis before',
+	'an hard line break',
+	'',
+	'This paragraph contains an emphasis',
+	'after an hard line break',
+	'',
+	'This paragraph contains',
+	'an emphasis with an hard line break in the middle',
+	'',
+	'→ This paragraph contains an hard line break',
+	'and starts with the multibyte character "\u2192"',
+	'',
+	'Line breaks do\ not   occur inside code spans'
+      ],
+      # Expected text properties
+      [
+	[],
+	[],
+	[],
+	[],
+	[],
+	[{'col': 37, 'type': 'LspMarkdownItalic', 'length': 6}],
+	[],
+	[],
+	[],
+	[{'col': 1, 'type': 'LspMarkdownItalic', 'length': 5}],
+	[],
+	[{'col': 16, 'type': 'LspMarkdownItalic', 'length': 8}],
+	[{'col': 1, 'type': 'LspMarkdownItalic', 'length': 11}],
+	[],
+	[],
+	[],
+	[],
+	[{'col': 13, 'type': 'LspMarkdownCode', 'length': 15}]
+      ]
+    ],
+    [
+      # non-breaking space characters
+      # Input text
+      [
+	'&nbsp;&nbsp;This is text.',
+      ],
+      # Expected text
+      [
+	'  This is text.',
+      ],
+      # Expected text properties
+      [
+	[]
+      ]
+    ],
+  ]
+
+  var doc: dict<list<any>>
+  var text_result: list<string>
+  var props_result: list<list<dict<any>>>
+  for t in tests
+    doc = md.ParseMarkdown(t[0])
+    text_result = doc.content->deepcopy()->map((_, v) => v.text)
+    props_result = doc.content->deepcopy()->map((_, v) => v.props)
+    assert_equal(t[1], text_result, t[0]->string())
+    assert_equal(t[2], props_result, t[0]->string())
+  endfor
+enddef
+
+# Only here to because the test runner needs it
+def g:StartLangServer(): bool
+  return true
+enddef
+
+# vim: tabstop=8 shiftwidth=2 softtabstop=2 noexpandtab