1 files changed, 44 insertions, 0 deletions
diff --git a/test.c b/test.c
new file mode 100644
index 0000000..fb71a58
--- /dev/null
+++ b/test.c
@@ -0,0 +1,44 @@
+#include <u.h>
+#include <libc.h>
+#include "roman.h"
+
+void
+usage(void)
+{
+	fprint(2, "usage: %s [ -dr ] number\n", argv0);
+	exits("usage");
+}
+
+void
+main(int argc, char *argv[])
+{
+	int decimal;
+	char *roman, buf[512];
+
+	decimal = -1;
+	roman = nil;
+
+	ARGBEGIN{
+	case 'd':
+		roman = EARGF(usage());
+		break;
+	case 'r':
+		decimal = strtol(EARGF(usage()), nil, 10);
+		break;
+	}ARGEND;
+	if(argc != 0)
+		usage();
+
+	if(decimal >= 0){
+		if(dectoroman(decimal, buf, sizeof buf) < 0)
+			sysfatal("dectoroman: %r");
+		print("%s\n", buf);
+	}else if(roman != nil){
+		if((decimal = romantodec(roman)) < 0)
+			sysfatal("romantodec: %r");
+		print("%d\n", decimal);
+	}else
+		usage();
+
+	exits(nil);
+}