diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..77aa90e
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,53 @@
+cmake_minimum_required(VERSION 3.8)
+project(oaknut LANGUAGES CXX VERSION 0.0.0)
+
+# Determine if we're built as a subproject (using add_subdirectory)
+# or if this is the master project.
+set(MASTER_PROJECT OFF)
+if (CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
+  set(MASTER_PROJECT ON)
+endif()
+
+# Disable in-source builds
+set(CMAKE_DISABLE_SOURCE_CHANGES ON)
+set(CMAKE_DISABLE_IN_SOURCE_BUILD ON)
+if ("${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_BINARY_DIR}")
+    message(SEND_ERROR "In-source builds are not allowed.")
+endif()
+
+# Source project files
+set(header_files
+    ${CMAKE_CURRENT_SOURCE_DIR}/include/oaknut/impl/multi_typed_name.hpp
+    ${CMAKE_CURRENT_SOURCE_DIR}/include/oaknut/impl/string_literal.hpp
+    ${CMAKE_CURRENT_SOURCE_DIR}/include/oaknut/impl/enum.hpp
+    ${CMAKE_CURRENT_SOURCE_DIR}/include/oaknut/impl/offset.hpp
+    ${CMAKE_CURRENT_SOURCE_DIR}/include/oaknut/impl/imm.hpp
+    ${CMAKE_CURRENT_SOURCE_DIR}/include/oaknut/impl/arm64_mnemonics.inc.hpp
+    ${CMAKE_CURRENT_SOURCE_DIR}/include/oaknut/impl/reg.hpp
+    ${CMAKE_CURRENT_SOURCE_DIR}/include/oaknut/impl/arm64_encode_helpers.inc.hpp
+    ${CMAKE_CURRENT_SOURCE_DIR}/include/oaknut/oaknut.hpp
+)
+
+# Library definition
+add_library(oaknut INTERFACE)
+add_library(merry::oaknut ALIAS oaknut)
+target_sources(oaknut INTERFACE "$<BUILD_INTERFACE:${header_files}>")
+target_include_directories(oaknut INTERFACE $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>)
+target_compile_features(oaknut INTERFACE cxx_std_20)
+
+# Tests
+if (MASTER_PROJECT)
+    find_package(Catch2 3 REQUIRED)
+
+    add_executable(oaknut-tests
+        tests/basic.cpp
+    )
+    target_include_directories(oaknut-tests PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/tests)
+    target_link_libraries(oaknut-tests PRIVATE Catch2::Catch2WithMain merry::oaknut)
+    target_compile_options(oaknut-tests PRIVATE -Wall -Wextra -Wcast-qual -pedantic -pedantic-errors -Wfatal-errors -Wno-missing-braces)
+
+    include(CTest)
+    include(Catch)
+    catch_discover_tests(oaknut-tests)
+    enable_testing()
+endif()
diff --git a/test.cpp b/tests/basic.cpp
similarity index 77%
rename from test.cpp
rename to tests/basic.cpp
index 64e8a03..c0eed71 100644
--- a/test.cpp
+++ b/tests/basic.cpp
@@ -1,6 +1,10 @@
+// SPDX-FileCopyrightText: 2022 merryhime
+// SPDX-License-Identifier: MIT
+
 #include <cstdint>
 #include <cstdio>
 
+#include <catch2/catch_test_macros.hpp>
 #include <libkern/OSCacheControl.h>
 #include <pthread.h>
 #include <sys/mman.h>
@@ -8,7 +12,7 @@
 
 #include "oaknut/oaknut.hpp"
 
-int main()
+TEST_CASE("Basic Test")
 {
     const size_t page_size = getpagesize();
     std::printf("page size: %zu\n", page_size);
@@ -27,7 +31,6 @@ int main()
     pthread_jit_write_protect_np(true);
     sys_icache_invalidate(mem, page_size);
 
-    std::printf("%i\n", ((int (*)())mem)());
-
-    return 0;
+    int result = ((int (*)())mem)();
+    REQUIRE(result == 42);
 }