diff --git a/tests/source_test.cc b/tests/source_test.cc
index 54216d0..dfda1fb 100644
--- a/tests/source_test.cc
+++ b/tests/source_test.cc
@@ -28,15 +28,15 @@ int main() {
   auto source_file = tests_path / "tmp" / "source_file.cpp";
 
   {
-    Source::View source_view(source_file, Glib::RefPtr<Gsv::Language>());
-    source_view.get_buffer()->set_text(hello_world);
-    g_assert(source_view.save());
+    Source::View view(source_file, Glib::RefPtr<Gsv::Language>());
+    view.get_buffer()->set_text(hello_world);
+    g_assert(view.save());
   }
 
-  Source::View source_view(source_file, Glib::RefPtr<Gsv::Language>());
-  g_assert(source_view.get_buffer()->get_text() == hello_world);
-  source_view.cleanup_whitespace_characters();
-  g_assert(source_view.get_buffer()->get_text() == hello_world_cleaned);
+  Source::View view(source_file, Glib::RefPtr<Gsv::Language>());
+  g_assert(view.get_buffer()->get_text() == hello_world);
+  view.cleanup_whitespace_characters();
+  g_assert(view.get_buffer()->get_text() == hello_world_cleaned);
 
   g_assert(boost::filesystem::remove(source_file));
   g_assert(!boost::filesystem::exists(source_file));
@@ -53,22 +53,22 @@ int main() {
 
   // replace_text tests
   {
-    auto buffer = source_view.get_buffer();
+    auto buffer = view.get_buffer();
     {
       auto text = "line 1\nline 2\nline3";
       buffer->set_text(text);
       buffer->place_cursor(buffer->begin());
-      source_view.replace_text(text);
+      view.replace_text(text);
       assert(buffer->get_text() == text);
       assert(buffer->get_insert()->get_iter() == buffer->begin());
 
       buffer->place_cursor(buffer->end());
-      source_view.replace_text(text);
+      view.replace_text(text);
       assert(buffer->get_text() == text);
       assert(buffer->get_insert()->get_iter() == buffer->end());
 
-      source_view.place_cursor_at_line_offset(1, 0);
-      source_view.replace_text(text);
+      view.place_cursor_at_line_offset(1, 0);
+      view.replace_text(text);
       assert(buffer->get_text() == text);
       assert(buffer->get_insert()->get_iter().get_line() == 1);
       assert(buffer->get_insert()->get_iter().get_line_offset() == 0);
@@ -77,33 +77,33 @@ int main() {
       auto old_text = "line 1\nline3";
       auto new_text = "line 1\nline 2\nline3";
       buffer->set_text(old_text);
-      source_view.place_cursor_at_line_offset(1, 0);
-      source_view.replace_text(new_text);
+      view.place_cursor_at_line_offset(1, 0);
+      view.replace_text(new_text);
       assert(buffer->get_text() == new_text);
       assert(buffer->get_insert()->get_iter().get_line() == 2);
       assert(buffer->get_insert()->get_iter().get_line_offset() == 0);
 
-      source_view.replace_text(old_text);
+      view.replace_text(old_text);
       assert(buffer->get_text() == old_text);
       assert(buffer->get_insert()->get_iter().get_line() == 1);
       assert(buffer->get_insert()->get_iter().get_line_offset() == 0);
 
-      source_view.place_cursor_at_line_offset(0, 0);
-      source_view.replace_text(new_text);
+      view.place_cursor_at_line_offset(0, 0);
+      view.replace_text(new_text);
       assert(buffer->get_text() == new_text);
       assert(buffer->get_insert()->get_iter().get_line() == 0);
       assert(buffer->get_insert()->get_iter().get_line_offset() == 0);
 
-      source_view.replace_text(old_text);
+      view.replace_text(old_text);
       assert(buffer->get_text() == old_text);
       assert(buffer->get_insert()->get_iter().get_line() == 0);
       assert(buffer->get_insert()->get_iter().get_line_offset() == 0);
 
-      source_view.replace_text(new_text);
+      view.replace_text(new_text);
       assert(buffer->get_text() == new_text);
 
-      source_view.place_cursor_at_line_offset(2, 0);
-      source_view.replace_text(old_text);
+      view.place_cursor_at_line_offset(2, 0);
+      view.replace_text(old_text);
       assert(buffer->get_text() == old_text);
       assert(buffer->get_insert()->get_iter().get_line() == 1);
       assert(buffer->get_insert()->get_iter().get_line_offset() == 0);
@@ -112,10 +112,10 @@ int main() {
       auto old_text = "line 1\nline 3";
       auto new_text = "";
       buffer->set_text(old_text);
-      source_view.replace_text(new_text);
+      view.replace_text(new_text);
       assert(buffer->get_text() == new_text);
 
-      source_view.replace_text(old_text);
+      view.replace_text(old_text);
       assert(buffer->get_text() == old_text);
       assert(buffer->get_insert()->get_iter().get_line() == 1);
       assert(buffer->get_insert()->get_iter().get_line_offset() == 6);
@@ -124,17 +124,17 @@ int main() {
       auto old_text = "";
       auto new_text = "";
       buffer->set_text(old_text);
-      source_view.replace_text(new_text);
+      view.replace_text(new_text);
       assert(buffer->get_text() == new_text);
     }
     {
       auto old_text = "line 1\nline 3\n";
       auto new_text = "";
       buffer->set_text(old_text);
-      source_view.replace_text(new_text);
+      view.replace_text(new_text);
       assert(buffer->get_text() == new_text);
 
-      source_view.replace_text(old_text);
+      view.replace_text(old_text);
       assert(buffer->get_text() == old_text);
       assert(buffer->get_insert()->get_iter().get_line() == 2);
       assert(buffer->get_insert()->get_iter().get_line_offset() == 0);
@@ -143,15 +143,15 @@ int main() {
       auto old_text = "line 1\n\nline 3\nline 4\n\nline 5\n";
       auto new_text = "line 1\n\nline 33\nline 44\n\nline 5\n";
       buffer->set_text(old_text);
-      source_view.place_cursor_at_line_offset(2, 0);
-      source_view.replace_text(new_text);
+      view.place_cursor_at_line_offset(2, 0);
+      view.replace_text(new_text);
       assert(buffer->get_text() == new_text);
       assert(buffer->get_insert()->get_iter().get_line() == 2);
       assert(buffer->get_insert()->get_iter().get_line_offset() == 0);
 
       buffer->set_text(old_text);
-      source_view.place_cursor_at_line_offset(3, 0);
-      source_view.replace_text(new_text);
+      view.place_cursor_at_line_offset(3, 0);
+      view.replace_text(new_text);
       assert(buffer->get_text() == new_text);
       assert(buffer->get_insert()->get_iter().get_line() == 3);
       assert(buffer->get_insert()->get_iter().get_line_offset() == 0);
@@ -160,15 +160,15 @@ int main() {
       auto old_text = "line 1\n\nline 3\nline 4\n\nline 5\n";
       auto new_text = "line 1\n\nline 33\nline 44\nline 45\nline 46\n\nline 5\n";
       buffer->set_text(old_text);
-      source_view.place_cursor_at_line_offset(2, 0);
-      source_view.replace_text(new_text);
+      view.place_cursor_at_line_offset(2, 0);
+      view.replace_text(new_text);
       assert(buffer->get_text() == new_text);
       assert(buffer->get_insert()->get_iter().get_line() == 2);
       assert(buffer->get_insert()->get_iter().get_line_offset() == 0);
 
       buffer->set_text(old_text);
-      source_view.place_cursor_at_line_offset(3, 0);
-      source_view.replace_text(new_text);
+      view.place_cursor_at_line_offset(3, 0);
+      view.replace_text(new_text);
       assert(buffer->get_text() == new_text);
       assert(buffer->get_insert()->get_iter().get_line() == 4);
       assert(buffer->get_insert()->get_iter().get_line_offset() == 0);
@@ -177,187 +177,387 @@ int main() {
 
   // extend_selection() tests
   {
-    auto buffer = source_view.get_buffer();
-    source_view.is_bracket_language = true;
+    auto buffer = view.get_buffer();
+    view.is_bracket_language = true;
     std::string source = "test(1, test(10), \"100\");";
     buffer->set_text(source);
     {
-      source_view.place_cursor_at_line_offset(0, 0);
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == "test");
+      view.place_cursor_at_line_offset(0, 0);
+      view.extend_selection();
+      assert(view.get_selected_text() == "test");
 
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == "test(1, test(10), \"100\")");
+      view.extend_selection();
+      assert(view.get_selected_text() == "test(1, test(10), \"100\")");
 
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == source);
+      view.extend_selection();
+      assert(view.get_selected_text() == source);
     }
     {
-      source_view.place_cursor_at_line_offset(0, 5);
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == "1");
+      view.place_cursor_at_line_offset(0, 5);
+      view.extend_selection();
+      assert(view.get_selected_text() == "1");
 
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == "1, test(10), \"100\"");
+      view.extend_selection();
+      assert(view.get_selected_text() == "1, test(10), \"100\"");
 
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == "test(1, test(10), \"100\")");
+      view.extend_selection();
+      assert(view.get_selected_text() == "test(1, test(10), \"100\")");
     }
     {
-      source_view.place_cursor_at_line_offset(0, 7);
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == " test(10)");
+      view.place_cursor_at_line_offset(0, 7);
+      view.extend_selection();
+      assert(view.get_selected_text() == " test(10)");
     }
     {
-      source_view.place_cursor_at_line_offset(0, 8);
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == "test");
+      view.place_cursor_at_line_offset(0, 8);
+      view.extend_selection();
+      assert(view.get_selected_text() == "test");
 
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == "test(10)");
+      view.extend_selection();
+      assert(view.get_selected_text() == "test(10)");
 
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == " test(10)");
+      view.extend_selection();
+      assert(view.get_selected_text() == " test(10)");
 
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == "1, test(10), \"100\"");
+      view.extend_selection();
+      assert(view.get_selected_text() == "1, test(10), \"100\"");
     }
     {
-      source_view.place_cursor_at_line_offset(0, 18);
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == " \"100\"");
+      view.place_cursor_at_line_offset(0, 18);
+      view.extend_selection();
+      assert(view.get_selected_text() == " \"100\"");
 
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == "1, test(10), \"100\"");
+      view.extend_selection();
+      assert(view.get_selected_text() == "1, test(10), \"100\"");
     }
     {
-      source_view.place_cursor_at_line_offset(0, 26);
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == source);
+      view.place_cursor_at_line_offset(0, 26);
+      view.extend_selection();
+      assert(view.get_selected_text() == source);
     }
     {
-      source_view.place_cursor_at_line_offset(0, 27);
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == source);
+      view.place_cursor_at_line_offset(0, 27);
+      view.extend_selection();
+      assert(view.get_selected_text() == source);
     }
 
     source = "int main() {\n  return 1;\n}\n";
     buffer->set_text(source);
     {
-      source_view.place_cursor_at_line_offset(0, 0);
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == "int");
+      view.place_cursor_at_line_offset(0, 0);
+      view.extend_selection();
+      assert(view.get_selected_text() == "int");
 
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == source.substr(0, source.size() - 1));
+      view.extend_selection();
+      assert(view.get_selected_text() == source.substr(0, source.size() - 1));
 
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == source);
+      view.extend_selection();
+      assert(view.get_selected_text() == source);
     }
     {
-      source_view.place_cursor_at_line_offset(0, 4);
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == "main");
+      view.place_cursor_at_line_offset(0, 4);
+      view.extend_selection();
+      assert(view.get_selected_text() == "main");
 
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == source.substr(4, source.size() - 1 - 4));
+      view.extend_selection();
+      assert(view.get_selected_text() == source.substr(4, source.size() - 1 - 4));
 
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == source.substr(0, source.size() - 1));
+      view.extend_selection();
+      assert(view.get_selected_text() == source.substr(0, source.size() - 1));
 
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == source);
+      view.extend_selection();
+      assert(view.get_selected_text() == source);
     }
     {
-      source_view.place_cursor_at_line_offset(1, 2);
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == "return");
+      view.place_cursor_at_line_offset(1, 2);
+      view.extend_selection();
+      assert(view.get_selected_text() == "return");
 
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == "return 1;");
+      view.extend_selection();
+      assert(view.get_selected_text() == "return 1;");
 
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == source.substr(12, 13));
+      view.extend_selection();
+      assert(view.get_selected_text() == source.substr(12, 13));
 
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == source.substr(4, source.size() - 1 - 4));
+      view.extend_selection();
+      assert(view.get_selected_text() == source.substr(4, source.size() - 1 - 4));
 
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == source.substr(0, source.size() - 1));
+      view.extend_selection();
+      assert(view.get_selected_text() == source.substr(0, source.size() - 1));
 
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == source);
+      view.extend_selection();
+      assert(view.get_selected_text() == source);
     }
 
     source = "test<int, int>(11, 22);";
     buffer->set_text(source);
     {
-      source_view.place_cursor_at_line_offset(0, 0);
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == "test");
+      view.place_cursor_at_line_offset(0, 0);
+      view.extend_selection();
+      assert(view.get_selected_text() == "test");
 
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == source.substr(0, source.size() - 1));
+      view.extend_selection();
+      assert(view.get_selected_text() == source.substr(0, source.size() - 1));
 
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == source);
+      view.extend_selection();
+      assert(view.get_selected_text() == source);
     }
     {
-      source_view.place_cursor_at_line_offset(0, 5);
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == "int");
+      view.place_cursor_at_line_offset(0, 5);
+      view.extend_selection();
+      assert(view.get_selected_text() == "int");
 
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == source.substr(5, 8));
+      view.extend_selection();
+      assert(view.get_selected_text() == source.substr(5, 8));
 
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == source.substr(0, source.size() - 1));
+      view.extend_selection();
+      assert(view.get_selected_text() == source.substr(0, source.size() - 1));
     }
     {
-      source_view.place_cursor_at_line_offset(0, 15);
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == "11");
+      view.place_cursor_at_line_offset(0, 15);
+      view.extend_selection();
+      assert(view.get_selected_text() == "11");
 
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == "11, 22");
+      view.extend_selection();
+      assert(view.get_selected_text() == "11, 22");
 
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == source.substr(0, source.size() - 1));
+      view.extend_selection();
+      assert(view.get_selected_text() == source.substr(0, source.size() - 1));
     }
 
     source = "{\n  {\n    test;\n  }\n}\n";
     buffer->set_text(source);
     {
-      source_view.place_cursor_at_line_offset(2, 4);
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == "test");
+      view.place_cursor_at_line_offset(2, 4);
+      view.extend_selection();
+      assert(view.get_selected_text() == "test");
 
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == "test;");
+      view.extend_selection();
+      assert(view.get_selected_text() == "test;");
 
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == "\n    test;\n  ");
+      view.extend_selection();
+      assert(view.get_selected_text() == "\n    test;\n  ");
 
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == "{\n    test;\n  }");
+      view.extend_selection();
+      assert(view.get_selected_text() == "{\n    test;\n  }");
 
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == "\n  {\n    test;\n  }\n");
+      view.extend_selection();
+      assert(view.get_selected_text() == "\n  {\n    test;\n  }\n");
 
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == "{\n  {\n    test;\n  }\n}");
+      view.extend_selection();
+      assert(view.get_selected_text() == "{\n  {\n    test;\n  }\n}");
 
-      source_view.extend_selection();
-      assert(source_view.get_selected_text() == source);
+      view.extend_selection();
+      assert(view.get_selected_text() == source);
 
-      source_view.shrink_selection();
-      assert(source_view.get_selected_text() == "{\n  {\n    test;\n  }\n}");
+      view.shrink_selection();
+      assert(view.get_selected_text() == "{\n  {\n    test;\n  }\n}");
 
-      source_view.shrink_selection();
-      assert(source_view.get_selected_text() == "\n  {\n    test;\n  }\n");
+      view.shrink_selection();
+      assert(view.get_selected_text() == "\n  {\n    test;\n  }\n");
 
-      source_view.shrink_selection();
-      assert(source_view.get_selected_text() == "{\n    test;\n  }");
+      view.shrink_selection();
+      assert(view.get_selected_text() == "{\n    test;\n  }");
+    }
+  }
+
+  // Snippet tests
+  {
+    auto buffer = view.get_buffer();
+    GdkEventKey event;
+    event.state = 0;
+    {
+      buffer->set_text("");
+      view.insert_snippet(buffer->get_insert()->get_iter(), "std::cout << ${1:content} << std::endl;");
+      assert(buffer->get_text() == "std::cout << content << std::endl;");
+      Gtk::TextIter start, end;
+      buffer->get_selection_bounds(start, end);
+      assert(start.get_offset() == 13);
+      assert(end.get_offset() == 20);
+
+      event.keyval = GDK_KEY_t;
+      view.on_key_press_event(&event);
+      assert(buffer->get_text() == "std::cout << t << std::endl;");
+      event.keyval = GDK_KEY_e;
+      view.on_key_press_event(&event);
+      assert(buffer->get_text() == "std::cout << te << std::endl;");
+    }
+    {
+      buffer->set_text("");
+      view.insert_snippet(buffer->get_insert()->get_iter(), "std::cout << ${1:} << std::endl;");
+      assert(buffer->get_text() == "std::cout <<  << std::endl;");
+      Gtk::TextIter start, end;
+      buffer->get_selection_bounds(start, end);
+      assert(start.get_offset() == 13);
+      assert(end.get_offset() == 13);
+
+      event.keyval = GDK_KEY_t;
+      view.on_key_press_event(&event);
+      assert(buffer->get_text() == "std::cout << t << std::endl;");
+      event.keyval = GDK_KEY_e;
+      view.on_key_press_event(&event);
+      assert(buffer->get_text() == "std::cout << te << std::endl;");
+    }
+    {
+      buffer->set_text("");
+      view.insert_snippet(buffer->get_insert()->get_iter(), "std::cout << $1 << std::endl;");
+      assert(buffer->get_text() == "std::cout <<  << std::endl;");
+      Gtk::TextIter start, end;
+      buffer->get_selection_bounds(start, end);
+      assert(start.get_offset() == 13);
+      assert(end.get_offset() == 13);
+
+      event.keyval = GDK_KEY_t;
+      view.on_key_press_event(&event);
+      assert(buffer->get_text() == "std::cout << t << std::endl;");
+      event.keyval = GDK_KEY_e;
+      view.on_key_press_event(&event);
+      assert(buffer->get_text() == "std::cout << te << std::endl;");
+    }
+    {
+      buffer->set_text("");
+      view.insert_snippet(buffer->get_insert()->get_iter(), "std::cout << ${1:content} << ${1:content} << std::endl;");
+      assert(buffer->get_text() == "std::cout << content << content << std::endl;");
+      Gtk::TextIter start, end;
+      buffer->get_selection_bounds(start, end);
+      assert(start.get_offset() == 13);
+      assert(end.get_offset() == 20);
+
+      event.keyval = GDK_KEY_t;
+      view.on_key_press_event(&event);
+      assert(buffer->get_text() == "std::cout << t << t << std::endl;");
+      event.keyval = GDK_KEY_e;
+      view.on_key_press_event(&event);
+      assert(buffer->get_text() == "std::cout << te << te << std::endl;");
+
+      event.keyval = GDK_KEY_Escape;
+      view.on_key_press_event(&event);
+      assert(buffer->get_text() == "std::cout << te << te << std::endl;");
+      event.keyval = GDK_KEY_s;
+      view.on_key_press_event(&event);
+      assert(buffer->get_text() == "std::cout << tes << te << std::endl;");
+    }
+    {
+      buffer->set_text("");
+      view.insert_snippet(buffer->get_insert()->get_iter(), "std::cout << ${1:content1} << ${2:content2} << std::endl;");
+      assert(buffer->get_text() == "std::cout << content1 << content2 << std::endl;");
+      Gtk::TextIter start, end;
+      buffer->get_selection_bounds(start, end);
+      assert(start.get_offset() == 13);
+      assert(end.get_offset() == 21);
+
+      event.keyval = GDK_KEY_t;
+      view.on_key_press_event(&event);
+      assert(buffer->get_text() == "std::cout << t << content2 << std::endl;");
+      event.keyval = GDK_KEY_e;
+      view.on_key_press_event(&event);
+      assert(buffer->get_text() == "std::cout << te << content2 << std::endl;");
+
+      event.keyval = GDK_KEY_Tab;
+      view.on_key_press_event(&event);
+      assert(buffer->get_text() == "std::cout << te << content2 << std::endl;");
+      event.keyval = GDK_KEY_t;
+      view.on_key_press_event(&event);
+      assert(buffer->get_text() == "std::cout << te << t << std::endl;");
+    }
+    {
+      buffer->set_text("");
+      view.insert_snippet(buffer->get_insert()->get_iter(), "std::cout << ${1:content} << $0 << std::endl;");
+      assert(buffer->get_text() == "std::cout << content <<  << std::endl;");
+      Gtk::TextIter start, end;
+      buffer->get_selection_bounds(start, end);
+      assert(start.get_offset() == 13);
+      assert(end.get_offset() == 20);
+
+      event.keyval = GDK_KEY_t;
+      view.on_key_press_event(&event);
+      assert(buffer->get_text() == "std::cout << t <<  << std::endl;");
+      event.keyval = GDK_KEY_e;
+      view.on_key_press_event(&event);
+      assert(buffer->get_text() == "std::cout << te <<  << std::endl;");
+
+      event.keyval = GDK_KEY_Tab;
+      view.on_key_press_event(&event);
+      assert(buffer->get_text() == "std::cout << te <<  << std::endl;");
+      event.keyval = GDK_KEY_t;
+      view.on_key_press_event(&event);
+      assert(buffer->get_text() == "std::cout << te << t << std::endl;");
+    }
+    {
+      buffer->set_text("");
+      view.insert_snippet(buffer->get_insert()->get_iter(), "std::cout << ${2:content2} << ${1:content1} << std::endl;");
+      assert(buffer->get_text() == "std::cout << content2 << content1 << std::endl;");
+      Gtk::TextIter start, end;
+      buffer->get_selection_bounds(start, end);
+      assert(start.get_offset() == 25);
+      assert(end.get_offset() == 33);
+
+      event.keyval = GDK_KEY_t;
+      view.on_key_press_event(&event);
+      assert(buffer->get_text() == "std::cout << content2 << t << std::endl;");
+      event.keyval = GDK_KEY_e;
+      view.on_key_press_event(&event);
+      assert(buffer->get_text() == "std::cout << content2 << te << std::endl;");
+
+      event.keyval = GDK_KEY_Tab;
+      view.on_key_press_event(&event);
+      assert(buffer->get_text() == "std::cout << content2 << te << std::endl;");
+      event.keyval = GDK_KEY_t;
+      view.on_key_press_event(&event);
+      assert(buffer->get_text() == "std::cout << t << te << std::endl;");
+    }
+    {
+      buffer->set_text("test");
+      buffer->select_range(buffer->begin(), buffer->end());
+      view.insert_snippet(buffer->get_insert()->get_iter(), "<$1>${TM_SELECTED_TEXT}</$1>");
+      assert(buffer->get_text() == "<>test</>");
+      Gtk::TextIter start, end;
+      buffer->get_selection_bounds(start, end);
+      assert(start.get_offset() == 1);
+      assert(end.get_offset() == 1);
+
+      event.keyval = GDK_KEY_t;
+      view.on_key_press_event(&event);
+      assert(buffer->get_text() == "<t>test</t>");
+      event.keyval = GDK_KEY_e;
+      view.on_key_press_event(&event);
+      assert(buffer->get_text() == "<te>test</te>");
+    }
+    {
+      buffer->set_text("test test");
+      Gtk::TextIter start, end;
+      start = buffer->begin();
+      end = start;
+      end.forward_chars(4);
+      buffer->select_range(start, end);
+      view.insert_snippet(buffer->get_insert()->get_iter(), "<$1>${TM_SELECTED_TEXT:TM_CURRENT_LINE}</$1>");
+      assert(buffer->get_text() == "<>test</> test");
+      buffer->get_selection_bounds(start, end);
+      assert(start.get_offset() == 1);
+      assert(end.get_offset() == 1);
+
+      event.keyval = GDK_KEY_t;
+      view.on_key_press_event(&event);
+      assert(buffer->get_text() == "<t>test</t> test");
+      event.keyval = GDK_KEY_e;
+      view.on_key_press_event(&event);
+      assert(buffer->get_text() == "<te>test</te> test");
+    }
+    {
+      buffer->set_text("test test");
+      view.insert_snippet(buffer->get_insert()->get_iter(), "<$1>${TM_SELECTED_TEXT:TM_CURRENT_LINE}</$1>");
+      assert(buffer->get_text() == "<>test test</>");
+      Gtk::TextIter start, end;
+      buffer->get_selection_bounds(start, end);
+      assert(start.get_offset() == 1);
+      assert(end.get_offset() == 1);
+
+      event.keyval = GDK_KEY_t;
+      view.on_key_press_event(&event);
+      assert(buffer->get_text() == "<t>test test</t>");
+      event.keyval = GDK_KEY_e;
+      view.on_key_press_event(&event);
+      assert(buffer->get_text() == "<te>test test</te>");
     }
   }
 }