diff --git a/test/test_parser.cpp b/test/test_parser.cpp
index f95065e..ac9cbd4 100644
--- a/test/test_parser.cpp
+++ b/test/test_parser.cpp
@@ -54,6 +54,17 @@ TEST(ParseInlineLatexTest, Only) {
     auto link = p->children().at(0);
     ASSERT_EQ(link->type(), NodeType::inline_latex);
 }
+TEST(ParseItalicTest, Only) {
+    Parser parser;
+    auto nodes = parser.parse("*666*");
+    ASSERT_EQ(nodes.size(), 1);
+    auto node = nodes[0];
+    ASSERT_EQ(node->type(), NodeType::paragraph);
+    auto p = (Paragraph*)node;
+    ASSERT_EQ(p->children().size(), 1);
+    auto link = p->children().at(0);
+    ASSERT_EQ(link->type(), NodeType::italic);
+}
 TEST(ParseBoldTest, Only) {
     Parser parser;
     auto nodes = parser.parse("**666**");
@@ -64,4 +75,109 @@ TEST(ParseBoldTest, Only) {
     ASSERT_EQ(p->children().size(), 1);
     auto link = p->children().at(0);
     ASSERT_EQ(link->type(), NodeType::bold);
-}
\ No newline at end of file
+}
+
+TEST(ParseItalicBoldBoldTest, Only) {
+    Parser parser;
+    auto nodes = parser.parse("***666***");
+    ASSERT_EQ(nodes.size(), 1);
+    auto node = nodes[0];
+    ASSERT_EQ(node->type(), NodeType::paragraph);
+    auto p = (Paragraph*)node;
+    ASSERT_EQ(p->children().size(), 1);
+    auto link = p->children().at(0);
+    ASSERT_EQ(link->type(), NodeType::italic_bold);
+}
+
+TEST(ParseLinkTest, Middle) {
+    Parser parser;
+    auto nodes = parser.parse("before[666](http://www.666.com)after");
+    ASSERT_EQ(nodes.size(), 1);
+    auto node = nodes[0];
+    ASSERT_EQ(node->type(), NodeType::paragraph);
+    auto p = (Paragraph*)node;
+    ASSERT_EQ(p->children().size(), 3);
+    auto before = p->children().at(0);
+    ASSERT_EQ(before->type(), NodeType::text);
+    auto link = p->children().at(1);
+    ASSERT_EQ(link->type(), NodeType::link);
+    auto after = p->children().at(2);
+    ASSERT_EQ(after->type(), NodeType::text);
+}
+TEST(ParseInlineCodeTest, Middle) {
+    Parser parser;
+    auto nodes = parser.parse("before`#include`after");
+    ASSERT_EQ(nodes.size(), 1);
+    auto node = nodes[0];
+    ASSERT_EQ(node->type(), NodeType::paragraph);
+    auto p = (Paragraph*)node;
+    ASSERT_EQ(p->children().size(), 3);
+    auto before = p->children().at(0);
+    ASSERT_EQ(before->type(), NodeType::text);
+    auto ic = p->children().at(1);
+    ASSERT_EQ(ic->type(), NodeType::inline_code);
+    auto after = p->children().at(2);
+    ASSERT_EQ(after->type(), NodeType::text);
+}
+TEST(ParseInlineLatexTest, Middle) {
+    Parser parser;
+    auto nodes = parser.parse("before$a^2$after");
+    ASSERT_EQ(nodes.size(), 1);
+    auto node = nodes[0];
+    ASSERT_EQ(node->type(), NodeType::paragraph);
+    auto p = (Paragraph*)node;
+    ASSERT_EQ(p->children().size(), 3);
+    auto before = p->children().at(0);
+    ASSERT_EQ(before->type(), NodeType::text);
+    auto il = p->children().at(1);
+    ASSERT_EQ(il->type(), NodeType::inline_latex);
+    auto after = p->children().at(2);
+    ASSERT_EQ(after->type(), NodeType::text);
+}
+TEST(ParseItalicTest, Middle) {
+    Parser parser;
+    auto nodes = parser.parse("before*666*after");
+    ASSERT_EQ(nodes.size(), 1);
+    auto node = nodes[0];
+    ASSERT_EQ(node->type(), NodeType::paragraph);
+    auto p = (Paragraph*)node;
+    ASSERT_EQ(p->children().size(), 3);
+    auto before = p->children().at(0);
+    ASSERT_EQ(before->type(), NodeType::text);
+    auto i = p->children().at(1);
+    ASSERT_EQ(i->type(), NodeType::italic);
+    auto after = p->children().at(2);
+    ASSERT_EQ(after->type(), NodeType::text);
+}
+TEST(ParseBoldTest, Middle) {
+    Parser parser;
+    auto nodes = parser.parse("before**666**after");
+    ASSERT_EQ(nodes.size(), 1);
+    auto node = nodes[0];
+    ASSERT_EQ(node->type(), NodeType::paragraph);
+    auto p = (Paragraph*)node;
+    ASSERT_EQ(p->children().size(), 3);
+    auto before = p->children().at(0);
+    ASSERT_EQ(before->type(), NodeType::text);
+    auto b = p->children().at(1);
+    ASSERT_EQ(b->type(), NodeType::bold);
+    auto after = p->children().at(2);
+    ASSERT_EQ(after->type(), NodeType::text);
+}
+
+TEST(ParseItalicBoldBoldTest, Middle) {
+    Parser parser;
+    auto nodes = parser.parse("before***666***after");
+    ASSERT_EQ(nodes.size(), 1);
+    auto node = nodes[0];
+    ASSERT_EQ(node->type(), NodeType::paragraph);
+    auto p = (Paragraph*)node;
+    ASSERT_EQ(p->children().size(), 3);
+    auto before = p->children().at(0);
+    ASSERT_EQ(before->type(), NodeType::text);
+    auto it = p->children().at(1);
+    ASSERT_EQ(it->type(), NodeType::italic_bold);
+    auto after = p->children().at(2);
+    ASSERT_EQ(after->type(), NodeType::text);
+}
+