feat: Linker test and improvements to the linker.

Signed-off-by: Amlal <amlal@nekernel.org>

4 files changed, 53 insertions, 0 deletions

diff --git a/tests/test_02_linker/CMakeLists.txt b/tests/test_02_linker/CMakeLists.txt
new file mode 100644
index 0000000..f3493fc
--- /dev/null
+++ b/tests/test_02_linker/CMakeLists.txt
@@ -0,0 +1,23 @@
+cmake_minimum_required(VERSION 3.10)
+project(NeCTILinkerTest)
+
+include(FetchContent)
+FetchContent_Declare(
+  googletest
+  URL https://github.com/google/googletest/archive/refs/tags/v1.14.0.zip
+)
+
+# For Windows: Prevent overriding the parent project's compiler/linker settings
+set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
+FetchContent_MakeAvailable(googletest)
+
+enable_testing()
+
+add_executable(LinkerTestBasic linker_test.cc)
+target_link_libraries(LinkerTestBasic gtest_main)
+
+set_property(TARGET LinkerTestBasic PROPERTY CXX_STANDARD 20)
+target_include_directories(LinkerTestBasic PUBLIC ../../)
+
+include(GoogleTest)
+gtest_discover_tests(LinkerTestBasic)
diff --git a/tests/test_02_linker/linker_test.cc b/tests/test_02_linker/linker_test.cc
new file mode 100644
index 0000000..88d51de
--- /dev/null
+++ b/tests/test_02_linker/linker_test.cc
@@ -0,0 +1,24 @@
+/* -------------------------------------------
+
+   Copyright (C) 2024-2025 Amlal EL Mahrouss, all rights reserved
+
+   ------------------------------------------- */
+
+
+/// @brief Linker Unit test, from the C++ unit to the final executable.
+/// @author Amlal El Mahrouss
+
+#include <gtest/gtest.h>
+
+TEST(LinkerTest, BasicLinkTest)
+{
+  /// @note this is the driver, it will look for a .cc.pp (.pp stands for pre-processed)
+  auto expr = std::system("pef-amd64-cxxdrv sample/sample.cc");
+  EXPECT_TRUE(expr == 0) << "C++ Driver did not compile the easy C++ unit.";
+
+  expr = std::system("asm -asm:x64 sample/sample.cc.pp.masm");
+  EXPECT_TRUE(expr == 0) << "Assembler did not assemble the easy asm unit.";
+
+  expr = std::system("ld64 -fat-binary sample/sample.cc.pp.obj -start __NECTI_main -output main.exec");
+  EXPECT_TRUE(expr == 0) << "Linker did not link the easy object.";
+}
diff --git a/tests/test_02_linker/sample/sample.cc b/tests/test_02_linker/sample/sample.cc
new file mode 100644
index 0000000..4cce7f6
--- /dev/null
+++ b/tests/test_02_linker/sample/sample.cc
@@ -0,0 +1,3 @@
+int main() {
+  return 0;
+}
diff --git a/tests/test_02_linker/sample/sample.cc.pp b/tests/test_02_linker/sample/sample.cc.pp
new file mode 100644
index 0000000..cb3f748
--- /dev/null
+++ b/tests/test_02_linker/sample/sample.cc.pp
@@ -0,0 +1,3 @@
+int main() {
+	return 0;
+}