Write test framework

scripts/build.sh

@@ -5,6 +5,9 @@ CFLAGS="$CFLAGS -Og -ggdb"
 
 mkdir -p build
 
+# Build tests
+clang $CFLAGS -Itests -c -o build/testing.o tests/testing.c
+
 # Build application
 clang $CFLAGS -c -o build/main.o app/main.c
 clang $CFLAGS -o build/infix-calculator build/main.o