[pseudo,04/11] test: Add fts test case

diff --git a/test/test-fts.c b/test/test-fts.c
new file mode 100644
index 0000000..38dfb87
--- /dev/null
+++ b/test/test-fts.c
@@ -0,0 +1,87 @@ 
+/*
+ * Test fts_open and related functions
+ * SPDX-License-Identifier: LGPL-2.1-only
+ */
+#define _GNU_SOURCE
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <fts.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+
+static int failures = 0;
+
+static void check(const char *desc, int condition) {
+    if (!condition) {
+        fprintf(stderr, "FAIL: %s\n", desc);
+        failures++;
+    }
+}
+
+int main(void) {
+    FTS *ftsp;
+    FTSENT *p;
+    int fd;
+    int file_count = 0;
+    int dir_count = 0;
+
+    /* Create test directory tree */
+    mkdir("test_fts_dir", 0755);
+    mkdir("test_fts_dir/sub1", 0755);
+    mkdir("test_fts_dir/sub2", 0755);
+    fd = open("test_fts_dir/file1", O_CREAT | O_WRONLY, 0644);
+    close(fd);
+    fd = open("test_fts_dir/sub1/file2", O_CREAT | O_WRONLY, 0644);
+    close(fd);
+
+    /* Set ownership so we can check pseudo tracks it through fts */
+    check("chown file1", chown("test_fts_dir/file1", 100, 200) == 0);
+    check("chown file2", chown("test_fts_dir/sub1/file2", 300, 400) == 0);
+
+    /* fts_open */
+    {
+        char *paths[] = { "test_fts_dir", NULL };
+        ftsp = fts_open(paths, FTS_PHYSICAL | FTS_NOCHDIR, NULL);
+        check("fts_open", ftsp != NULL);
+    }
+
+    /* Walk the tree */
+    while ((p = fts_read(ftsp)) != NULL) {
+        switch (p->fts_info) {
+        case FTS_F:
+            file_count++;
+            if (strcmp(p->fts_name, "file1") == 0) {
+                check("fts file1 uid", p->fts_statp->st_uid == 100);
+                check("fts file1 gid", p->fts_statp->st_gid == 200);
+            }
+            if (strcmp(p->fts_name, "file2") == 0) {
+                check("fts file2 uid", p->fts_statp->st_uid == 300);
+                check("fts file2 gid", p->fts_statp->st_gid == 400);
+            }
+            break;
+        case FTS_D:
+            dir_count++;
+            break;
+        default:
+            break;
+        }
+    }
+
+    check("fts found 2 files", file_count == 2);
+    check("fts found dirs", dir_count >= 3); /* test_fts_dir, sub1, sub2 */
+
+    fts_close(ftsp);
+
+    /* Cleanup */
+    unlink("test_fts_dir/sub1/file2");
+    unlink("test_fts_dir/file1");
+    rmdir("test_fts_dir/sub1");
+    rmdir("test_fts_dir/sub2");
+    rmdir("test_fts_dir");
+
+    return failures;
+}
diff --git a/test/test-fts.sh b/test/test-fts.sh
new file mode 100755
index 0000000..50413c8
--- /dev/null
+++ b/test/test-fts.sh
@@ -0,0 +1,8 @@ 
+#!/bin/bash
+#
+# SPDX-License-Identifier: LGPL-2.1-only
+#
+# Test fts_open and tree walking
+
+rm -rf test_fts_dir
+./test/test-fts