diff --git a/src/test.cpp b/src/test.cpp
index 6f3b581..daae7fa 100644
--- a/src/test.cpp
+++ b/src/test.cpp
@@ -333,12 +333,14 @@ TEST_CASE("num dfa") {
   });
 }
 
+const char *utf8str =
+    "💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩"
+    "💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩"
+    "💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩";
+
 TEST_CASE("utf8 dfa") {
   parser3::Utf8Dfa dfa;
-  std::string match =
-      "💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩"
-      "💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩"
-      "💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩";
+  std::string match = utf8str;
   auto *buf = dfa.scan(match.data(), match.data() + match.size());
   CHECK(buf == match.data() + match.size());
   CHECK(dfa.accept());
@@ -352,3 +354,108 @@ TEST_CASE("utf8 dfa") {
         dfa.scan(match.data(), match.data() + match.size()));
   });
 }
+
+// Different input structures with special care in the implementation
+// performance wise
+TEST_CASE("bench input types") {
+  auto bench = [](std::string name, std::string json) {
+    auto c = noopCallbacks();
+    ankerl::nanobench::Bench bench;
+    bench.batch(json.size());
+    bench.unit("byte");
+    auto *parser = WeaselJsonParser_create(1024, &c, nullptr);
+    bench.run("parser3 " + name, [&]() {
+      auto copy = json;
+      WeaselJsonParser_reset(parser);
+      if (WeaselJsonParser_parse(parser, copy.data(), copy.size()) !=
+          WeaselJson_AGAIN) {
+        abort();
+      }
+      if (WeaselJsonParser_parse(parser, nullptr, 0) != WeaselJson_OK) {
+        abort();
+      }
+    });
+    WeaselJsonParser_destroy(parser);
+  };
+
+  bench("numbers", "[-123456789.000000000000000123456789e+12, "
+                   "-123456789.000000000000000123456789E+12, "
+                   "-123456789.000000000000000123456789e-12, "
+                   "-123456789.000000000000000123456789E-12, "
+                   "-123456789.000000000000000123456789e+12, "
+                   "-123456789.000000000000000123456789E+12, "
+                   "-123456789.000000000000000123456789e-12, "
+                   "-123456789.000000000000000123456789E-12, "
+                   "-123456789.000000000000000123456789e+12, "
+                   "-123456789.000000000000000123456789E+12, "
+                   "-123456789.000000000000000123456789e-12, "
+                   "-123456789.000000000000000123456789E-12, "
+                   "-123456789.000000000000000123456789e+12, "
+                   "-123456789.000000000000000123456789E+12, "
+                   "-123456789.000000000000000123456789e-12, "
+                   "-123456789.000000000000000123456789E-12, "
+                   "-123456789.000000000000000123456789e+12]");
+  bench("ascii",
+        "\"Donec lobortis eleifend condimentum. Cras dictum dolor lacinia "
+        "lectus vehicula rutrum. Maecenas quis nisi nunc. Nam tristique "
+        "feugiat est vitae mollis. Maecenas quis nisi nunc.\"");
+  bench("utf-8", std::string("\"") + utf8str + "\"");
+  bench("escapes",
+        R"(
+["\n\r\t\"\b\f\\\/\uabcd\u1234\ud801\udc37",
+"\n\r\t\"\b\f\\\/\uabcd\u1234\ud801\udc37",
+"\n\r\t\"\b\f\\\/\uabcd\u1234\ud801\udc37",
+"\n\r\t\"\b\f\\\/\uabcd\u1234\ud801\udc37",
+"\n\r\t\"\b\f\\\/\uabcd\u1234\ud801\udc37",
+"\n\r\t\"\b\f\\\/\uabcd\u1234\ud801\udc37",
+"\n\r\t\"\b\f\\\/\uabcd\u1234\ud801\udc37",
+"\n\r\t\"\b\f\\\/\uabcd\u1234\ud801\udc37",
+"\n\r\t\"\b\f\\\/\uabcd\u1234\ud801\udc37",
+"\n\r\t\"\b\f\\\/\uabcd\u1234\ud801\udc37",
+"\n\r\t\"\b\f\\\/\uabcd\u1234\ud801\udc37",
+"\n\r\t\"\b\f\\\/\uabcd\u1234\ud801\udc37",
+"\n\r\t\"\b\f\\\/\uabcd\u1234\ud801\udc37",
+"\n\r\t\"\b\f\\\/\uabcd\u1234\ud801\udc37",
+"\n\r\t\"\b\f\\\/\uabcd\u1234\ud801\udc37"]
+)");
+  bench("structural",
+        R"(
+[
+{"": [{"": [[], [], [], [], [], [[[[[[[]]]]]]], {"": ""}]}]},
+{"": [{"": [[], [], [], [], [], [[[[[[[]]]]]]], {"": ""}]}]},
+{"": [{"": [[], [], [], [], [], [[[[[[[]]]]]]], {"": ""}]}]},
+{"": [{"": [[], [], [], [], [], [[[[[[[]]]]]]], {"": ""}]}]},
+{"": [{"": [[], [], [], [], [], [[[[[[[]]]]]]], {"": ""}]}]},
+{"": [{"": [[], [], [], [], [], [[[[[[[]]]]]]], {"": ""}]}]},
+{"": [{"": [[], [], [], [], [], [[[[[[[]]]]]]], {"": ""}]}]},
+{"": [{"": [[], [], [], [], [], [[[[[[[]]]]]]], {"": ""}]}]},
+{"": [{"": [[], [], [], [], [], [[[[[[[]]]]]]], {"": ""}]}]},
+{"": [{"": [[], [], [], [], [], [[[[[[[]]]]]]], {"": ""}]}]},
+{"": [{"": [[], [], [], [], [], [[[[[[[]]]]]]], {"": ""}]}]},
+{"": [{"": [[], [], [], [], [], [[[[[[[]]]]]]], {"": ""}]}]},
+{"": [{"": [[], [], [], [], [], [[[[[[[]]]]]]], {"": ""}]}]},
+{"": [{"": [[], [], [], [], [], [[[[[[[]]]]]]], {"": ""}]}]},
+{"": [{"": [[], [], [], [], [], [[[[[[[]]]]]]], {"": ""}]}]},
+{"": [{"": [[], [], [], [], [], [[[[[[[]]]]]]], {"": ""}]}]}
+]
+)");
+  bench("whitespace", R"(
+                                              [
+                                              0,
+                                              0,
+                                              0,
+                                              0,
+                                              0,
+                                              0,
+                                              0,
+                                              0,
+                                              0,
+                                              0,
+                                              0,
+                                              0,
+                                              0,
+                                              0,
+                                              0
+                                              ]
+  )");
+}