ref-filter: add tests for objectsize:disk

diff --git a/t/helper/test-tool.c b/t/helper/test-tool.c
index 6b5836dc1b93b85333f2acb9cf1717a4462e209c..5df8b682aa8ab0ce305dd8f22d3b7c4780331d71 100644 (file)
--- a/t/helper/test-tool.c
+++ b/t/helper/test-tool.c
@@ -55,13 +55,23 @@ static struct test_cmd cmds[] = {
        { "write-cache", cmd__write_cache },
 };
 
+static NORETURN void die_usage(void)
+{
+       size_t i;
+
+       fprintf(stderr, "usage: test-tool <toolname> [args]\n");
+       for (i = 0; i < ARRAY_SIZE(cmds); i++)
+               fprintf(stderr, "  %s\n", cmds[i].name);
+       exit(128);
+}
+
 int cmd_main(int argc, const char **argv)
 {
        int i;
 
        BUG_exit_code = 99;
        if (argc < 2)
-               die("I need a test name!");
+               die_usage();
 
        for (i = 0; i < ARRAY_SIZE(cmds); i++) {
                if (!strcmp(cmds[i].name, argv[1])) {
@@ -70,5 +80,6 @@ int cmd_main(int argc, const char **argv)
                        return cmds[i].fn(argc, argv);
                }
        }
-       die("There is no test named '%s'", argv[1]);
+       error("there is no tool named '%s'", argv[1]);
+       die_usage();
 }