diff --git a/tests/maddy/test_maddy_strongparser.cpp b/tests/maddy/test_maddy_strongparser.cpp
index ad70762..e054aa7 100644
--- a/tests/maddy/test_maddy_strongparser.cpp
+++ b/tests/maddy/test_maddy_strongparser.cpp
@@ -12,33 +12,87 @@
 
 TEST(MADDY_STRONGPARSER, ItReplacesMarkdownWithStrongHTML)
 {
-  std::string text = "some text **bla** text testing **it** out";
-  std::string expected = "some text <strong>bla</strong> text testing <strong>it</strong> out";
+  struct testIt
+  {
+    std::string text;
+    std::string expected;
+  };
+
+  std::vector<testIt> tests
+  {
+    {
+      "some text **bla** text testing **it** out",
+      "some text <strong>bla</strong> text testing <strong>it</strong> out"
+    },
+    {
+      "some text __bla__ text testing __it__ out",
+      "some text <strong>bla</strong> text testing <strong>it</strong> out"
+    },
+  };
+
   auto strongParser = std::make_shared<maddy::StrongParser>();
 
-  strongParser->Parse(text);
-
-  ASSERT_EQ(expected, text);
+  for (auto& test : tests)
+  {
+    strongParser->Parse(test.text);
+    ASSERT_EQ(test.expected, test.text);
+  }
 }
 
 TEST(MADDY_STRONGPARSER, ItReplacesEmphasizedMarkdownNotWithStrongHTML)
 {
-  std::string text = "some text *bla* text testing **it** out";
-  std::string expected = "some text *bla* text testing <strong>it</strong> out";
+  struct testIt
+  {
+    std::string text;
+    std::string expected;
+  };
+
+  std::vector<testIt> tests
+  {
+    {
+      "some text *bla* text testing **it** out",
+      "some text *bla* text testing <strong>it</strong> out"
+    },
+    {
+      "some text _bla_ text testing __it__ out",
+      "some text _bla_ text testing <strong>it</strong> out"
+    },
+  };
+
   auto strongParser = std::make_shared<maddy::StrongParser>();
 
-  strongParser->Parse(text);
-
-  ASSERT_EQ(expected, text);
+  for (auto& test : tests)
+  {
+    strongParser->Parse(test.text);
+    ASSERT_EQ(test.expected, test.text);
+  }
 }
 
 TEST(MADDY_STRONGPARSER, ItDoesNotParseInsideInlineCode)
 {
-  std::string text = "some text **bla** `/**text**/` testing `**it**` out";
-  std::string expected = "some text **bla** `/**text**/` testing `**it**` out";
+  struct testIt
+  {
+    std::string text;
+    std::string expected;
+  };
+
+  std::vector<testIt> tests
+  {
+    {
+      "some text **bla** `/**text**/` testing `**it**` out",
+      "some text **bla** `/**text**/` testing `**it**` out",
+    },
+    {
+      "some text _bla_ text testing __it__ out",
+      "some text _bla_ text testing <strong>it</strong> out"
+    },
+  };
+
   auto strongParser = std::make_shared<maddy::StrongParser>();
 
-  strongParser->Parse(text);
-
-  ASSERT_EQ(expected, text);
+  for (auto& test : tests)
+  {
+    strongParser->Parse(test.text);
+    ASSERT_EQ(test.expected, test.text);
+  }
 }