diff --git a/.github/linux_build.sh b/.github/linux_build.sh
index f4eb477..56e82f3 100644
--- a/.github/linux_build.sh
+++ b/.github/linux_build.sh
@@ -10,7 +10,7 @@ mkdir install
 cd build
 
 # Build in Release mode
-cmake -DCMAKE_BUILD_TYPE=Release ../..
+cmake -DCMAKE_BUILD_TYPE=Release -DYYCC_BUILD_TEST=ON -DGTest_ROOT=$GTest_ROOT ../..
 cmake --build .
 cmake --install . --prefix=../install
 
diff --git a/.github/macos_build.sh b/.github/macos_build.sh
index f4eb477..56e82f3 100644
--- a/.github/macos_build.sh
+++ b/.github/macos_build.sh
@@ -10,7 +10,7 @@ mkdir install
 cd build
 
 # Build in Release mode
-cmake -DCMAKE_BUILD_TYPE=Release ../..
+cmake -DCMAKE_BUILD_TYPE=Release -DYYCC_BUILD_TEST=ON -DGTest_ROOT=$GTest_ROOT ../..
 cmake --build .
 cmake --install . --prefix=../install
 
diff --git a/.github/windows_build.bat b/.github/windows_build.bat
index fdba5d7..b0d6ada 100644
--- a/.github/windows_build.bat
+++ b/.github/windows_build.bat
@@ -9,7 +9,7 @@ MKDIR install
 CD build
 
 :: Build with x64 architecture in Release mode
-cmake -A x64 ../..
+cmake -A x64 -DYYCC_BUILD_TEST=ON -DGTest_ROOT=%GTest_ROOT% ../..
 cmake --build . --config Release
 cmake --install . --prefix=../install --config Release
 
diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index 1d7df2c..9b00173 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -16,8 +16,8 @@ jobs:
     # - name: Setup Google Test and Google Benchmark
     #   run: |
     #     # Setup Google Test
-    #     git clone -b v1.17.0 https://github.com/google/googletest.git external/googletest
-    #     cd external/googletest
+    #     git clone -b v1.17.0 https://github.com/google/googletest.git extern/googletest
+    #     cd extern/googletest
     #     mkdir build install
     #     cd build
     #     cmake -DCMAKE_CXX_STANDARD=23 -Dgtest_force_shared_crt=ON -DCMAKE_BUILD_TYPE=Release ..
@@ -25,8 +25,8 @@ jobs:
     #     cmake --install . --prefix=../install
     #     cd ../..
     #     # Setup Google Benchmark
-    #     git clone -b v1.9.4 https://github.com/google/benchmark.git external/benchmark
-    #     cd external/benchmark
+    #     git clone -b v1.9.4 https://github.com/google/benchmark.git extern/benchmark
+    #     cd extern/benchmark
     #     # Create symlink to googletest as required by benchmark
     #     ln -s ../googletest googletest
     #     mkdir build install
diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 715b390..e1ce74c 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -12,8 +12,8 @@ jobs:
     # - name: Setup Google Test and Google Benchmark
     #   run: |
     #     # Setup Google Test
-    #     git clone -b v1.17.0 https://github.com/google/googletest.git external/googletest
-    #     cd external/googletest
+    #     git clone -b v1.17.0 https://github.com/google/googletest.git extern/googletest
+    #     cd extern/googletest
     #     mkdir build install
     #     cd build
     #     cmake -DCMAKE_CXX_STANDARD=23 -Dgtest_force_shared_crt=ON -DCMAKE_BUILD_TYPE=Release ..
@@ -21,8 +21,8 @@ jobs:
     #     cmake --install . --prefix=../install
     #     cd ../..
     #     # Setup Google Benchmark
-    #     git clone -b v1.9.4 https://github.com/google/benchmark.git external/benchmark
-    #     cd external/benchmark
+    #     git clone -b v1.9.4 https://github.com/google/benchmark.git extern/benchmark
+    #     cd extern/benchmark
     #     # Create symlink to googletest as required by benchmark
     #     ln -s ../googletest googletest
     #     mkdir build install
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 7fcdfab..69ae53b 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -19,8 +19,8 @@ jobs:
     # - name: Setup Google Test and Google Benchmark
     #   run: |
     #     # Setup Google Test
-    #     git clone -b v1.17.0 https://github.com/google/googletest.git external/googletest
-    #     cd external/googletest
+    #     git clone -b v1.17.0 https://github.com/google/googletest.git extern/googletest
+    #     cd extern/googletest
     #     mkdir build install
     #     cd build
     #     cmake -DCMAKE_CXX_STANDARD=23 -Dgtest_force_shared_crt=ON -DCMAKE_BUILD_TYPE=Release ..
@@ -28,8 +28,8 @@ jobs:
     #     cmake --install . --prefix=../install --config Release
     #     cd ../..
     #     # Setup Google Benchmark
-    #     git clone -b v1.9.4 https://github.com/google/benchmark.git external/benchmark
-    #     cd external/benchmark
+    #     git clone -b v1.9.4 https://github.com/google/benchmark.git extern/benchmark
+    #     cd extern/benchmark
     #     # Create symlink to googletest as required by benchmark
     #     mklink /D googletest ../googletest
     #     mkdir build install
diff --git a/.gitignore b/.gitignore
index 721225e..54cb7b7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,7 @@
 out/
 build/
 install/
+extern/
 
 # Ignore CMake generated stuff
 src/yycc/version.hpp
diff --git a/COMPILE.md b/COMPILE.md
index 4a9feca..6e5d069 100644
--- a/COMPILE.md
+++ b/COMPILE.md
@@ -106,7 +106,13 @@ If you are a developer (developer of this project, or use this project as depend
 
 "User Build" is basically how GitHub Action build this project.
 
-Execute `.github/windows_build.bat` on Windows or `.github/linux_build.sh` on POSIX-like OS (Linux and macOS) under **the root directory** of this project. The final built artifact is under `bin/install` directory.
+Under **the root directory** of this project, execute:
+
+- `script/windows_build.bat` on Windows
+- or `script/linux_build.sh` on Linux
+- or `script/macos_build.sh` on macOS
+
+The final built artifact is under `bin/install` directory.
 
 ### Developer Build
 
diff --git a/script/.gitignore b/asset/.gitignore
similarity index 100%
rename from script/.gitignore
rename to asset/.gitignore
diff --git a/script/pycodec/.gitignore b/asset/pycodec/.gitignore
similarity index 100%
rename from script/pycodec/.gitignore
rename to asset/pycodec/.gitignore
diff --git a/script/pycodec/README.md b/asset/pycodec/README.md
similarity index 100%
rename from script/pycodec/README.md
rename to asset/pycodec/README.md
diff --git a/script/pycodec/conv_encoding_table.py b/asset/pycodec/conv_encoding_table.py
similarity index 100%
rename from script/pycodec/conv_encoding_table.py
rename to asset/pycodec/conv_encoding_table.py
diff --git a/script/pycodec/encoding_table.cpp.jinja b/asset/pycodec/encoding_table.cpp.jinja
similarity index 100%
rename from script/pycodec/encoding_table.cpp.jinja
rename to asset/pycodec/encoding_table.cpp.jinja
diff --git a/script/pycodec/encoding_table.csv b/asset/pycodec/encoding_table.csv
similarity index 100%
rename from script/pycodec/encoding_table.csv
rename to asset/pycodec/encoding_table.csv
diff --git a/script/pyproject.toml b/asset/pyproject.toml
similarity index 100%
rename from script/pyproject.toml
rename to asset/pyproject.toml
diff --git a/script/uv.lock b/asset/uv.lock
similarity index 100%
rename from script/uv.lock
rename to asset/uv.lock
diff --git a/script/linux_build.sh b/script/linux_build.sh
new file mode 100644
index 0000000..f4eb477
--- /dev/null
+++ b/script/linux_build.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+set -euo pipefail
+
+# Create build directory and enter it
+mkdir bin
+cd bin
+# Create internal build and install directory, then enter it
+mkdir build
+mkdir install
+cd build
+
+# Build in Release mode
+cmake -DCMAKE_BUILD_TYPE=Release ../..
+cmake --build .
+cmake --install . --prefix=../install
+
+# Back to root directory
+cd ..
+cd ..
diff --git a/script/macos_build.sh b/script/macos_build.sh
new file mode 100644
index 0000000..f4eb477
--- /dev/null
+++ b/script/macos_build.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+set -euo pipefail
+
+# Create build directory and enter it
+mkdir bin
+cd bin
+# Create internal build and install directory, then enter it
+mkdir build
+mkdir install
+cd build
+
+# Build in Release mode
+cmake -DCMAKE_BUILD_TYPE=Release ../..
+cmake --build .
+cmake --install . --prefix=../install
+
+# Back to root directory
+cd ..
+cd ..
diff --git a/script/windows_build.bat b/script/windows_build.bat
new file mode 100644
index 0000000..fdba5d7
--- /dev/null
+++ b/script/windows_build.bat
@@ -0,0 +1,18 @@
+@ECHO OFF
+
+:: Create build directory and enter it
+MKDIR bin
+CD bin
+:: Create internal build and install directory, then enter it
+MKDIR build
+MKDIR install
+CD build
+
+:: Build with x64 architecture in Release mode
+cmake -A x64 ../..
+cmake --build . --config Release
+cmake --install . --prefix=../install --config Release
+
+:: Back to root directory
+CD ..
+CD ..