1 files changed, 35 insertions, 0 deletions
diff --git a/t/helper/test-string-list.c b/t/helper/test-string-list.c
new file mode 100644
index 0000000000..6be0cdb8e2
--- /dev/null
+++ b/t/helper/test-string-list.c
@@ -0,0 +1,35 @@
+#include "test-tool.h"
+#include "strbuf.h"
+#include "string-list.h"
+
+int cmd__string_list(int argc, const char **argv)
+{
+	if (argc == 2 && !strcmp(argv[1], "sort")) {
+		struct string_list list = STRING_LIST_INIT_NODUP;
+		struct strbuf sb = STRBUF_INIT;
+		struct string_list_item *item;
+
+		strbuf_read(&sb, 0, 0);
+
+		/*
+		 * Split by newline, but don't create a string_list item
+		 * for the empty string after the last separator.
+		 */
+		if (sb.len && sb.buf[sb.len - 1] == '\n')
+			strbuf_setlen(&sb, sb.len - 1);
+		string_list_split_in_place(&list, sb.buf, "\n", -1);
+
+		string_list_sort(&list);
+
+		for_each_string_list_item(item, &list)
+			puts(item->string);
+
+		string_list_clear(&list, 0);
+		strbuf_release(&sb);
+		return 0;
+	}
+
+	fprintf(stderr, "%s: unknown function name: %s\n", argv[0],
+		argv[1] ? argv[1] : "(there was none)");
+	return 1;
+}