Added some unit testing with Check

CMakeLists.txt

@@ -1,15 +1,46 @@
-cmake_minimum_required(VERSION 3.15)
+cmake_minimum_required(VERSION 3.0 FATAL_ERROR)
 project(EmberLib C)
-
 set(CMAKE_C_STANDARD 11)
 
-set(SOURCE src/main.c
-        include/arraylist_old.h include/arraylist_new.h)
+set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
 
-add_executable(EmberLib ${SOURCE})
+include(CheckCSourceCompiles)
+include(CheckCSourceRuns)
+include(CheckFunctionExists)
+include(CheckIncludeFile)
+include(CheckLibraryExists)
+include(CheckSymbolExists)
+include(CheckTypeSize)
 
-target_include_directories(EmberLib PRIVATE ${CMAKE_SOURCE_DIR}/include)
+# Check Headers
+set(INCLUDES "")
+macro(ck_check_include_file header var)
+	check_include_file("${INCLUDES};${header}" ${var})
+	if(${var})
+		set(INCLUDES ${INCLUDES} ${header})
+	endif(${var})
+endmacro(ck_check_include_file)
 
-if(NOT CXX_COMPILER_ID:MSVC)
-    target_compile_options(EmberLib PRIVATE -Werror -Wall -Wextra)
-endif(NOT CXX_COMPILER_ID:MSVC)
+ck_check_include_file("stdlib.h" HAVE_STDLIB_H)
+check_type_size(intmax_t INTMAX_T)
+check_type_size(uintmax_t UINTMMAX_T)
+
+check_type_size(pid_t PID_T)
+if(NOT HAVE_PID_T)
+	if(WIN32)
+		set(pid_t "int")
+	else(WIN32)
+		MESSAGE(FATAL_ERROR "pid_t doesn't exist on this platform?")
+	endif(WIN32)
+endif(NOT HAVE_PID_T)
+
+configure_file(${CMAKE_CURRENT_SOURCE_DIR}/cmake/config.h.in ${CMAKE_CURRENT_BINARY_DIR}/config.h)
+include_directories(BEFORE ${CMAKE_CURRENT_BINARY_DIR})
+add_definitions(-DHAVE_CONFIG_H)
+set(CONFIG_HEADER ${CMAKE_CURRENT_BINARY_DIR/config.h})
+
+add_subdirectory(EmberLib)
+add_subdirectory(tests)
+
+enable_testing()
+add_test(NAME check_emberlib COMMAND check_emberlib)

EmberLib/CMakeLists.txt

@@ -0,0 +1,10 @@
+set(SOURCES ${CONFIG_HEADER}
+	    include/arraylist_new.h 
+	    include/arraylist_old.h
+	    src/arraylist_new.c)
+
+add_library(EmberLib STATIC ${SOURCES})
+add_executable(demo src/main.c)
+
+target_include_directories(EmberLib PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/include)
+target_link_libraries(demo EmberLib)

EmberLib/src/arraylist_new.c

@@ -0,0 +1,7 @@
+#include <arraylist_new.h>
+#include <stdio.h>
+
+void whatever(void)
+{
+	printf("Hey there. You shouldn't be here.\n");
+}

EmberLib/src/main.c

@@ -3,11 +3,12 @@
 
 int main(void)
 {
+    char *s = "What";
     double x = 3.4;
     int *array = init_arraylist(int);
-    arraylist_push(array, x);
-    int index = -2;
-    arraylist_get(array, index, -1);
-    destroy_arraylist(array);
+    for(int i = 0; i < 5; i++)
+    {
+        arraylist_push(array, s);
+    }
     return 0;
 }

cmake/FindCheck.cmake

@@ -0,0 +1,57 @@
+# - Try to find the CHECK libraries
+#  Once done this will define
+#
+#  CHECK_FOUND - system has check
+#  CHECK_INCLUDE_DIR - the check include directory
+#  CHECK_LIBRARIES - check library
+#
+#  This configuration file for finding libcheck is originally from
+#  the opensync project. The originally was downloaded from here:
+#  opensync.org/browser/branches/3rd-party-cmake-modules/modules/FindCheck.cmake
+#
+#  Copyright (c) 2007 Daniel Gollub <dgollub@suse.de>
+#  Copyright (c) 2007 Bjoern Ricks  <b.ricks@fh-osnabrueck.de>
+#
+#  Redistribution and use is allowed according to the terms of the New
+#  BSD license.
+#  For details see the accompanying COPYING-CMAKE-SCRIPTS file.
+
+
+INCLUDE( FindPkgConfig )
+
+# Take care about check.pc settings
+PKG_SEARCH_MODULE( CHECK Check )
+
+# Look for CHECK include dir and libraries
+IF( NOT CHECK_FOUND )
+	IF ( CHECK_INSTALL_DIR )
+		MESSAGE ( STATUS "Using override CHECK_INSTALL_DIR to find Check" )
+		SET ( CHECK_INCLUDE_DIR  "${CHECK_INSTALL_DIR}/include" )
+		SET ( CHECK_INCLUDE_DIRS "${CHECK_INCLUDE_DIR}" )
+		FIND_LIBRARY( CHECK_LIBRARY NAMES check PATHS "${CHECK_INSTALL_DIR}/lib" )
+		FIND_LIBRARY( COMPAT_LIBRARY NAMES compat PATHS "${CHECK_INSTALL_DIR}/lib" )
+		SET ( CHECK_LIBRARIES "${CHECK_LIBRARY}" "${COMPAT_LIBRARY}" )
+	ELSE ( CHECK_INSTALL_DIR )
+		FIND_PATH( CHECK_INCLUDE_DIR check.h )
+		FIND_LIBRARY( CHECK_LIBRARIES NAMES check )
+	ENDIF ( CHECK_INSTALL_DIR )
+
+	IF ( CHECK_INCLUDE_DIR AND CHECK_LIBRARIES )
+		SET( CHECK_FOUND 1 )
+		IF ( NOT Check_FIND_QUIETLY )
+			MESSAGE ( STATUS "Found CHECK: ${CHECK_LIBRARIES}" )
+		ENDIF ( NOT Check_FIND_QUIETLY )
+	ELSE ( CHECK_INCLUDE_DIR AND CHECK_LIBRARIES )
+		IF ( Check_FIND_REQUIRED )
+			MESSAGE( FATAL_ERROR "Could NOT find CHECK" )
+		ELSE ( Check_FIND_REQUIRED )
+			IF ( NOT Check_FIND_QUIETLY )
+				MESSAGE( STATUS "Could NOT find CHECK" )	
+			ENDIF ( NOT Check_FIND_QUIETLY )
+		ENDIF ( Check_FIND_REQUIRED )
+	ENDIF ( CHECK_INCLUDE_DIR AND CHECK_LIBRARIES )
+ENDIF( NOT CHECK_FOUND )
+
+# Hide advanced variables from CMake GUIs
+MARK_AS_ADVANCED( CHECK_INCLUDE_DIR CHECK_LIBRARIES )
+

cmake/config.h.in

@@ -0,0 +1,23 @@
+/*-*- mode:C; -*- */
+/* config.h. Generated from build/cmake/config.h.in by cmake configure */
+
+/*
+ * Ensure we have C99-style int64_t, etc, all defined
+ */
+
+#cmakedefine HAVE_INTMAX_T
+#cmakedefine HAVE_UINTMAX_T
+
+/* Define to 'int' if <sys/types.h> doesn't define. */
+#cmakedefine pid_t ${pid_t}
+
+/* Define intmax_t and uintmax_t if they are not already defined */
+#if !defined(HAVE_INTMAX_T)
+typedef int64_t intmax_t;
+#define INTMAX_MIN INT64_MIN
+#define INTMAX_MAX INT64_MAX
+#endif
+
+#if !defined(HAVE_UINTMAX_T)
+typedef uint64_t uintmax_t;
+#endif

tests/CMakeLists.txt

@@ -0,0 +1,15 @@
+# If pkg-config is not installed on the system, then CHECK_INSTALL_DIR variable must be set to the install location of Check
+# set(CHECK_INSTALL_DIR "C:/Program Files/check")
+
+find_package(Check REQUIRED)
+
+set(TEST_SOURCES
+	check_arraylist_new.c)
+
+add_executable(check_emberlib ${TEST_SOURCES})
+
+target_include_directories(check_emberlib PRIVATE ${CHECK_INCLUDE_DIRS})
+target_include_directories(check_emberlib PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/../EmberLib/include)
+
+target_link_directories(check_emberlib PRIVATE ${CHECK_LIBRARY_DIRS})
+target_link_libraries(check_emberlib PRIVATE ${CHECK_LIBRARIES})

tests/check_arraylist_new.c

@@ -0,0 +1,49 @@
+#include <stdlib.h>
+#include <check.h>
+#include <arraylist_new.h>
+
+START_TEST(test_arraylist_int_create_destroy)
+{
+	size_t expected_size = sizeof(size_t)*3 + sizeof(int);
+	int *array = NULL;
+	array = init_arraylist(int);
+	ck_assert_ptr_nonnull(array);
+	ck_assert_uint_eq(arraylist_length(array), 100);
+	ck_assert_uint_eq(arraylist_capacity(array), 2);
+	ck_assert_uint_eq(arraylist_memory_footprint(array), 2+expected_size);
+
+	destroy_arraylist(array);
+	ck_assert_ptr_null(array);
+}
+END_TEST
+
+Suite *arraylist_suite(void)
+{
+	Suite *s;
+	TCase *tc_core;
+
+	s = suite_create("Arraylist_New");
+
+	/* Core Test Case */
+	tc_core = tcase_create("Core");
+
+	tcase_add_test(tc_core, test_arraylist_int_create_destroy);
+	suite_add_tcase(s, tc_core);
+
+	return s;
+}
+
+int main(void)
+{
+	int number_failed;
+	Suite *s;
+	SRunner *sr;
+
+	s = arraylist_suite();
+	sr = srunner_create(s);
+
+	srunner_run_all(sr, CK_NORMAL);
+	number_failed = srunner_ntests_failed(sr);
+	srunner_free(sr);
+	return (number_failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
+}