From 758f820bcc0f68aeebac1717e537ca13a320b909 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 18:11:47 +0200
Subject: Adding upstream version 9.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 gnulib-tests/test-filenamecat.c | 87 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 gnulib-tests/test-filenamecat.c

(limited to 'gnulib-tests/test-filenamecat.c')

diff --git a/gnulib-tests/test-filenamecat.c b/gnulib-tests/test-filenamecat.c
new file mode 100644
index 0000000..d05f5cd
--- /dev/null
+++ b/gnulib-tests/test-filenamecat.c
@@ -0,0 +1,87 @@
+/* Test of concatenation of two arbitrary file names.
+
+   Copyright (C) 1996-2007, 2009-2022 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+/* Written by Jim Meyering.  */
+
+#include <config.h>
+
+#include "filenamecat.h"
+
+#include "idx.h"
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+
+int
+main (_GL_UNUSED int argc, char *argv[])
+{
+  static char const *const tests[][3] =
+    {
+      {"a", "b",   "a/b"},
+      {"a/", "b",  "a/b"},
+      {"a/", "/b", "a/b"},
+      {"a", "/b",  "a/b"},
+
+      {"/", "b",  "/b"},
+      {"/", "/b", "/./b"}, /* This result could be shorter.  */
+      {"/", "/",  "/./"},  /* This result could be shorter.  */
+      {"a", "/",  "a/"},   /* this might deserve a diagnostic */
+      {"/a", "/", "/a/"},  /* this might deserve a diagnostic */
+      {"a", "//b",  "a//b"},
+      {"", "a", "a"},  /* this might deserve a diagnostic */
+    };
+  unsigned int i;
+  bool fail = false;
+
+  for (i = 0; i < sizeof tests / sizeof tests[0]; i++)
+    {
+      char *base_in_result;
+      char const *const *t = tests[i];
+      char *res = file_name_concat (t[0], t[1], &base_in_result);
+      idx_t prefixlen = base_in_result - res;
+      size_t t0len = strlen (t[0]);
+      size_t reslen = strlen (res);
+      if (strcmp (res, t[2]) != 0)
+        {
+          fprintf (stderr, "test #%u: got %s, expected %s\n", i, res, t[2]);
+          fail = true;
+        }
+      if (strcmp (t[1], base_in_result) != 0)
+        {
+          fprintf (stderr, "test #%u: base %s != base_in_result %s\n",
+                   i, t[1], base_in_result);
+          fail = true;
+        }
+      if (! (0 <= prefixlen && prefixlen <= reslen))
+        {
+          fprintf (stderr, "test #%u: base_in_result is not in result\n", i);
+          fail = true;
+        }
+      if (reslen < t0len || memcmp (res, t[0], t0len) != 0)
+        {
+          fprintf (stderr, "test #%u: %s is not a prefix of %s\n",
+                   i, t[0], res);
+          fail = true;
+        }
+      free (res);
+    }
+  exit (fail ? EXIT_FAILURE : EXIT_SUCCESS);
+}
-- 
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