opt: new module to parse commandline options.

[ccan] / ccan / opt / test / run-usage.c

diff --git a/ccan/opt/test/run-usage.c b/ccan/opt/test/run-usage.c
new file mode 100644 (file)
index 0000000..85b23b8
--- /dev/null
+++ b/ccan/opt/test/run-usage.c
@@ -0,0 +1,47 @@
+#define _GNU_SOURCE
+#include <ccan/tap/tap.h>
+#include <stdarg.h>
+#include <setjmp.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include "utils.h"
+#include <ccan/opt/opt.c>
+#include <ccan/opt/usage.c>
+
+static char *my_cb(void *p)
+{
+       return NULL;
+}
+
+/* Test helpers. */
+int main(int argc, char *argv[])
+{
+       char *output;
+       plan_tests(18);
+       opt_register_table(subtables, NULL);
+       opt_register_noarg("--kkk", 'k', my_cb, NULL, "magic kkk option");
+       output = opt_usage("my name", "ExTrA Args");
+       diag("%s", output);
+       ok1(strstr(output, "Usage: my name"));
+       ok1(strstr(output, "--jjj/-j <arg>"));
+       ok1(strstr(output, "ExTrA Args"));
+       ok1(strstr(output, "-a "));
+       ok1(strstr(output, " Description of a\n"));
+       ok1(strstr(output, "-b <arg>"));
+       ok1(strstr(output, " Description of b\n"));
+       ok1(strstr(output, "--ddd "));
+       ok1(strstr(output, " Description of ddd\n"));
+       ok1(strstr(output, "--eee <arg> "));
+       ok1(strstr(output, " Description of eee\n"));
+       ok1(strstr(output, "long table options:\n"));
+       /* This table is hidden. */
+       ok1(!strstr(output, "--ggg/-g "));
+       ok1(!strstr(output, " Description of ggg\n"));
+       ok1(!strstr(output, "--hhh/-h <arg>"));
+       ok1(!strstr(output, " Description of hhh\n"));
+       ok1(strstr(output, "--kkk/-k"));
+       ok1(strstr(output, "magic kkk option"));
+       free(output);
+
+       return exit_status();
+}