feature: add latex underline

test/test_underline.py

@@ -1,6 +1,7 @@
 import mistletoe
 
 from renderer.fifty_ohm_html_renderer import FiftyOhmHtmlRenderer
+from renderer.fifty_ohm_latex_renderer import FiftyOhmLaTeXRenderer
 from test.util import paragraph
 
 
@@ -14,3 +15,14 @@ def test_underline_html() :
 
     for assertion in assertions:
         assert mistletoe.markdown(assertion, FiftyOhmHtmlRenderer) == paragraph(assertions[assertion])
+
+def test_underline_latex() :
+
+    assertions = {
+        "<u>Text</u>" : "\n\\underline{Text}\n",
+        "<u> Text Text </u>" : "\n\\underline{ Text Text }\n",
+        "<u> Text *Text* </u>" : "\n\\underline{ Text \emph{Text} }\n",
+    }
+
+    for assertion in assertions:
+        assert mistletoe.markdown(assertion, FiftyOhmLaTeXRenderer) == assertions[assertion]