Setup basic testing framework

tests/CMakeLists.txt

@@ -0,0 +1,57 @@
+cmake_minimum_required(VERSION 3.28)
+
+set(CMAKE_FOLDER tests)
+
+add_library(test-common STATIC
+	${CMAKE_SOURCE_DIR}/source/glad/glad.h
+
+	test-common/test-common.h
+	test-common/stb_image_write.h
+	test-common/test-common.cpp
+)
+
+target_include_directories(test-common
+	PUBLIC
+		test-common
+	PRIVATE
+		${CMAKE_SOURCE_DIR}/source
+)
+
+target_link_libraries(test-common PRIVATE glerminal)
+
+file(GLOB_RECURSE
+	TEST_RESOURCES
+	RELATIVE ${CMAKE_CURRENT_SOURCE_DIR}
+	CONFIGURE_DEPENDS
+
+	${CMAKE_CURRENT_SOURCE_DIR}/resources/**.png
+)
+
+foreach(RESOURCE_FILE ${TEST_RESOURCES})
+	add_custom_command(
+		OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${RESOURCE_FILE}
+		COMMAND ${CMAKE_COMMAND} -E copy
+			${CMAKE_CURRENT_SOURCE_DIR}/${RESOURCE_FILE}
+			${CMAKE_CURRENT_BINARY_DIR}/${RESOURCE_FILE}
+		DEPENDS
+			${CMAKE_CURRENT_SOURCE_DIR}/${RESOURCE_FILE}
+	)
+endforeach()
+
+file(GLOB_RECURSE
+	TEST_SOURCES
+	RELATIVE ${CMAKE_CURRENT_SOURCE_DIR}
+	CONFIGURE_DEPENDS
+
+	${CMAKE_CURRENT_SOURCE_DIR}/*.cpp
+)
+
+list(REMOVE_ITEM TEST_SOURCES test-common/test-common.cpp)
+list(TRANSFORM TEST_RESOURCES PREPEND ${CMAKE_CURRENT_BINARY_DIR}/)
+
+foreach(SOURCE_FILE ${TEST_SOURCES})
+	get_filename_component(SOURCE_FILENAME ${SOURCE_FILE} NAME_WLE)
+	add_executable(test-${SOURCE_FILENAME} WIN32 ${SOURCE_FILE} ${TEST_RESOURCES})
+	target_link_libraries(test-${SOURCE_FILENAME} PRIVATE glerminal test-common)
+	add_test(NAME test-${SOURCE_FILENAME} COMMAND test-${SOURCE_FILENAME})
+endforeach()

tests/basic.cpp

@@ -0,0 +1,31 @@
+#include <glerminal.h>
+
+#include <test-common.h>
+
+namespace
+{
+	void init()
+	{
+		glerminal_load_sprites_file("resources/image.png");
+		
+		for (int i = 0; i < GRID_HEIGHT; i++)
+		{
+			glerminal_set(i, i, 0, 1);
+		}
+
+		glerminal_flush();
+
+		glerminal_test_save_image();
+
+		glerminal_quit();
+	}
+
+	void mainloop(float) {}
+}
+
+int main()
+{
+	glerminal_run(init, mainloop);
+
+	return 0;
+}

tests/resources/image.png

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:05ec57e986f3fbd9efcc6c9f8e571393af4db90d8eb92f041990ed690bddaf89
+size 196

tests/test-common/test-common.cpp

@@ -0,0 +1,21 @@
+#include <test-common.h>
+
+#include <glerminal.h>
+#include <glad/glad.h>
+
+#define STB_IMAGE_WRITE_IMPLEMENTATION
+#include <stb_image_write.h>
+
+namespace
+{
+	unsigned char pixels[1280 * 800 * 3];
+}
+
+void glerminal_test_save_image()
+{
+	glReadBuffer(GL_LEFT);
+	glReadPixels(0, 0, GRID_WIDTH * CELL_SCALE * 8, GRID_HEIGHT * CELL_SCALE * 8, GL_RGB, GL_UNSIGNED_BYTE, pixels);
+
+	stbi_flip_vertically_on_write(true);
+	stbi_write_png("image.png", GRID_WIDTH * CELL_SCALE * 8, GRID_HEIGHT * CELL_SCALE * 8, 3, pixels, 1280 * 3);
+}

tests/test-common/test-common.h

@@ -0,0 +1,6 @@
+#ifndef GLERMINAL_TEST_COMMON_H
+#define GLERMINAL_TEST_COMMON_H
+
+void glerminal_test_save_image();
+
+#endif//GLERMINAL_TEST_COMMON_H