From a57ce183a1a3117161e35ad7c1d0d6fe83fb8147 Mon Sep 17 00:00:00 2001
From: Ronald Caesar <github43132@proton.me>
Date: Sat, 8 Nov 2025 15:41:04 -0400
Subject: [PATCH] extern/googletest: Add testing library

Need a testing framework to test the IR layer. GoogleTest is a popular
choice so it was chosen.

Signed-off-by: Ronald Caesar <github43132@proton.me>
---
 .gitmodules                      |  3 +++
 3rd_Party/PINNED_DEPENDENCIES.md | 10 ++++++++++
 3rd_Party/googletest             |  1 +
 CMakeLists.txt                   |  2 ++
 4 files changed, 16 insertions(+)
 create mode 160000 3rd_Party/googletest

diff --git a/.gitmodules b/.gitmodules
index 4825855..82a9e4c 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,3 +4,6 @@
 [submodule "3rd_Party/imgui"]
 	path = 3rd_Party/imgui
 	url = https://github.com/ocornut/imgui.git
+[submodule "3rd_Party/googletest"]
+	path = 3rd_Party/googletest
+	url = https://github.com/google/googletest.git
diff --git a/3rd_Party/PINNED_DEPENDENCIES.md b/3rd_Party/PINNED_DEPENDENCIES.md
index 130e103..5a45c82 100644
--- a/3rd_Party/PINNED_DEPENDENCIES.md
+++ b/3rd_Party/PINNED_DEPENDENCIES.md
@@ -32,3 +32,13 @@ This document tracks all pinned third-party submodules in the Pound project. Eac
 - **Last Review**: 2025-09-20
 - **Next Review**: 2026-03-20
 
+### GoogleTest
+- **Repository**: https://github.com/google/googletest
+- **Version Tag**: v1.17.0
+- **Commit Hash**: 52eb8108c5bdec04579160ae17225d66034bd723
+- **License**: BSD-3-Clause
+- **Purpose**: Provides the testing and mocking framework for Pound.
+- **Pinning Date**: 2025-11-09
+- **Pinning Reason**: Dependency added for the first time.
+- **Last Review**: 2025-11-09
+- **Next Review**: 2026-05-09
diff --git a/3rd_Party/googletest b/3rd_Party/googletest
new file mode 160000
index 0000000..52eb810
--- /dev/null
+++ b/3rd_Party/googletest
@@ -0,0 +1 @@
+Subproject commit 52eb8108c5bdec04579160ae17225d66034bd723
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 08fb491..ee82df7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -80,6 +80,8 @@ foreach(line ${submodule_lines})
             verify_pinned_commit("imgui" "${submodule_path}" "${commit_hash}" "bf75bfec48fc00f532af8926130b70c0e26eb099")
         elseif(submodule_path STREQUAL "3rd_Party/SDL3")
             verify_pinned_commit("SDL3" "${submodule_path}" "${commit_hash}" "a96677bdf6b4acb84af4ec294e5f60a4e8cbbe03")
+        elseif(submodule_path STREQUAL "3rd_Party/googletest")
+            verify_pinned_commit("SDL3" "${submodule_path}" "${commit_hash}" "52eb8108c5bdec04579160ae17225d66034bd723")
         endif()
 
         message(STATUS "Verified submodule: ${submodule_path} (${commit_hash})")