added 'tests' directory with tests for the pikotools library

currently only tests for convert/text functions

tests/Makefile

@@ -0,0 +1,46 @@
+sourcefiles:=$(shell find . -name "*.cpp")
+objfiles:=$(patsubst %.cpp,%.o,$(sourcefiles))
+
+
+ifndef CXX
+CXX = g++
+endif
+
+ifndef CXXFLAGS
+CXXFLAGS = -Wall -pedantic -O2 -std=c++20 -I../src -I/usr/local/include
+endif
+
+
+
+progname = tests
+
+
+all: $(progname) pikotools
+
+
+$(progname): $(objfiles) pikotools
+	$(CXX) $(CXXFLAGS) -o $(progname) $(objfiles) ../src/pikotools.a
+
+
+%.o: %.cpp
+	$(CXX) -c $(CXXFLAGS) -o $@ $<
+
+
+pikotools: FORCE
+	$(MAKE) -C ../src
+
+
+FORCE:
+
+
+clean:
+	rm -f $(objfiles)
+	rm -f $(progname)
+
+
+depend:
+	makedepend -Y. -I../src -f- $(sourcefiles) > Makefile.dep
+
+
+-include Makefile.dep
+