refactor: implement matrix iterator

3 files changed, 100 insertions, 0 deletions

diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
new file mode 100644
index 0000000..ac84f42
--- /dev/null
+++ b/test/CMakeLists.txt
@@ -0,0 +1,45 @@
+file(GLOB SOURCES
+	main.cpp
+	string_matrix.test.cpp
+	${CMAKE_SOURCE_DIR}/src/engine/data/vector2.cpp
+	${CMAKE_SOURCE_DIR}/src/engine/data/bounds.cpp
+	${CMAKE_SOURCE_DIR}/src/engine/graphics/string_matrix.cpp
+)
+
+add_executable(tests ${SOURCES})
+
+target_compile_features(tests PUBLIC cxx_std_20)
+
+target_compile_options(
+	tests
+	PRIVATE
+	-Wall -Wextra -Wpedantic -Wshadow
+	-Wold-style-cast -Wcast-align -Wno-unused
+	-Wconversion -Wcast-qual -Wctor-dtor-privacy
+	-Wdisabled-optimization -Wformat=2 -Winit-self
+	-Wmissing-declarations -Wmissing-include-dirs
+	-Woverloaded-virtual -Wredundant-decls
+	-Wsign-conversion -Wsign-promo
+	-Wstrict-overflow=5 -Wswitch-default
+	-Wundef -Werror
+	-pedantic -fsanitize=address -fno-exceptions
+)
+
+if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
+	target_compile_options(
+		tests
+		PRIVATE
+		-Wlogical-op -Wnoexcept -Wstrict-null-sentinel
+	)
+endif()
+
+target_include_directories(
+	tests
+	PRIVATE
+	"${CMAKE_SOURCE_DIR}/src"
+	"${CMAKE_SOURCE_DIR}/test"
+)
+
+target_link_libraries(tests GSL doctest)
+
+target_link_options(tests PRIVATE -fsanitize=address)
diff --git a/test/main.cpp b/test/main.cpp
new file mode 100644
index 0000000..0a3f254
--- /dev/null
+++ b/test/main.cpp
@@ -0,0 +1,2 @@
+#define DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN
+#include <doctest/doctest.h>
diff --git a/test/string_matrix.test.cpp b/test/string_matrix.test.cpp
new file mode 100644
index 0000000..522a274
--- /dev/null
+++ b/test/string_matrix.test.cpp
@@ -0,0 +1,53 @@
+#include "engine/graphics/string_matrix.hpp"
+#include "engine/data/bounds.hpp"
+
+#include <doctest/doctest.h>
+#include <type_traits>
+
+constexpr uint32_t MATRIX_WIDTH = 76;
+constexpr uint32_t MATRIX_HEIGHT = 31;
+
+TEST_CASE("String matrix")
+{
+	auto string_matrix =
+		StringMatrix(Bounds({.width = MATRIX_WIDTH, .height = MATRIX_HEIGHT}));
+
+	SUBCASE("Can set & get elements")
+	{
+		// NOLINTNEXTLINE(cppcoreguidelines-avoid-magic-numbers,readability-magic-numbers)
+		const auto position = Vector2({.x = 56, .y = 20});
+
+		string_matrix.set(position, "#");
+
+		CHECK(string_matrix.get(position) == "#");
+	}
+
+	SUBCASE("Can iterate")
+	{
+		CHECK(std::is_same_v<decltype(string_matrix.begin()),
+							 MatrixIterator<std::string_view>>);
+
+		CHECK(std::is_same_v<decltype(string_matrix.end()),
+							 MatrixIterator<std::string_view>>);
+
+		uint32_t row_iter_cnt = 0;
+
+		for (auto row : string_matrix)
+		{
+			row_iter_cnt++;
+
+			CHECK(std::is_same_v<decltype(row), MatrixRow<std::string_view>>);
+
+			uint32_t col_iter_cnt = 0;
+
+			for (auto &col : row)
+			{
+				col_iter_cnt++;
+			}
+
+			CHECK(col_iter_cnt == MATRIX_WIDTH);
+		}
+
+		CHECK(row_iter_cnt == MATRIX_HEIGHT);
+	}
+}