added makefile to build an example, the documentation and the tests. Startet implementing Tests.

test/shellmatta_utils/clearInput.cpp

@@ -0,0 +1,26 @@
+#include "test/framework/catch.hpp"
+#include "src/shellmatta_utils.c"
+#include <string.h>
+
+shellmatta_retCode_t writeFct(const char* data, uint32_t length)
+{
+    return SHELLMATTA_OK;
+}
+
+TEST_CASE( "shellmatta_clearInput normal call" ) {
+
+    shellmatta_instance_t inst;
+    char buffer[20];
+
+    inst.buffer = buffer;
+    inst.bufferSize = 20;
+    inst.cursor = 10;
+    inst.inputCount = 10;
+
+    inst.write = writeFct;
+
+    utils_clearInput(&inst);
+
+    CHECK( inst.cursor == 0);
+    REQUIRE( inst.inputCount == 0);
+}

test/shellmatta_utils/insertChars.cpp

@@ -0,0 +1,27 @@
+#include "test/framework/catch.hpp"
+#include "src/shellmatta_utils.c"
+#include <string.h>
+
+shellmatta_retCode_t writeFct(const char* data, uint32_t length)
+{
+    return SHELLMATTA_OK;
+}
+
+TEST_CASE( "shellmatta_insertChars normal call" ) {
+
+    shellmatta_instance_t inst;
+    char buffer[20];
+
+    inst.buffer = buffer;
+    inst.bufferSize = 20;
+    inst.cursor = 8;
+    inst.inputCount = 10;
+
+    inst.write = writeFct;
+
+    utils_insertChars(&inst, "blksdflsd kfjlk", 4);
+
+    CHECK( inst.cursor == 4);
+    REQUIRE( inst.inputCount == 4);
+}
+

test/shellmatta_utils/itoa.cpp

@@ -0,0 +1,11 @@
+#include "test/framework/catch.hpp"
+#include "src/shellmatta_utils.c"
+#include <string.h>
+
+TEST_CASE( "shellmatta_utils.c itoa - 123456" ) {
+    char buffer[64];
+    memset(buffer, 0, sizeof(buffer));
+    CHECK( utils_shellItoa(123456, buffer, 16) == 5 );
+    CHECK( "12345" == "12345");
+    REQUIRE( strcmp(buffer, "123456") == 0);
+}

test/test_main.cpp

@@ -0,0 +1,7 @@
+// 010-TestCase.cpp
+
+// Let Catch provide main():
+#define CATCH_CONFIG_MAIN
+
+#include "framework/catch.hpp"
+