added 'test' target

git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@4125 212acab6-be3b-0410-9dea-997c60f758d6

Source/Tests/SConscript

@@ -0,0 +1,58 @@
+target = 'test'
+
+tests = Split("""
+	endian.cpp
+	mmap.cpp
+	specmatch.cpp
+	textrunner.cpp
+""")
+
+required = Split("""
+	dirreader.cpp
+	growbuf.cpp
+	mmap.cpp
+""")
+
+libs = Split("""
+	cppunit
+""")
+
+Import('env')
+
+# compile using msvcrt (that's how cppunit.lib is built)
+if 'msvc' in env['TOOLS'] or 'mstoolkit' in env['TOOLS']:
+	env.Append(CCFLAGS = ['/MD'])
+
+# uses exceptions
+env.Append(CCFLAGS = ['$EXCEPTION_FLAG'])
+
+# test for CppUnit
+conf = env.Configure()
+
+if not conf.CheckLibWithHeader(libs, 'cppunit/extensions/HelperMacros.h', 'C++'):
+
+	if 'test' in BUILD_TARGETS:
+
+		print '*** error: CppUnit must be installed for testing!'
+		Exit(1)
+
+conf.Finish()
+
+# compile files from parent directory
+required_obj = []
+
+for i in required:
+	b = 'required/%s' % i[:-4]
+	s = '#Source/%s' % i
+	o = env.Object(b, s)
+
+	required_obj.append(o)
+
+# build test program
+tests = env.Program(target, tests + required_obj, LIBS = libs)
+
+# alias running the test to 'test'
+test = env.Alias('test', [tests], tests[0].abspath)
+
+# always test when asked to
+AlwaysBuild(test)