From 19fcec84d8d7d21e796c7624e521b60d28ee21ed Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 20:45:59 +0200
Subject: Adding upstream version 16.2.11+ds.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/test/libcephfs/caps.cc | 94 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 src/test/libcephfs/caps.cc

(limited to 'src/test/libcephfs/caps.cc')

diff --git a/src/test/libcephfs/caps.cc b/src/test/libcephfs/caps.cc
new file mode 100644
index 000000000..b4976c9c3
--- /dev/null
+++ b/src/test/libcephfs/caps.cc
@@ -0,0 +1,94 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2011 New Dream Network
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation.  See file COPYING.
+ *
+ */
+#include "include/int_types.h"
+
+#include "gtest/gtest.h"
+#include "include/ceph_fs.h"
+#include "include/cephfs/libcephfs.h"
+#include <errno.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <dirent.h>
+#ifdef __linux__
+#include <sys/xattr.h>
+#endif
+#include <signal.h>
+
+TEST(Caps, ReadZero) {
+
+  int mypid = getpid();
+  struct ceph_mount_info *cmount;
+  ASSERT_EQ(0, ceph_create(&cmount, NULL));
+  ASSERT_EQ(0, ceph_conf_read_file(cmount, NULL));
+  ASSERT_EQ(0, ceph_mount(cmount, "/"));
+
+  int i = 0;
+  for(; i < 30; ++i) {
+
+    char c_path[1024];
+    sprintf(c_path, "/caps_rzfile_%d_%d", mypid, i);
+    int fd = ceph_open(cmount, c_path, O_CREAT|O_TRUNC|O_WRONLY, 0644);
+    ASSERT_LT(0, fd);
+
+    int expect = CEPH_CAP_FILE_EXCL | CEPH_CAP_FILE_WR | CEPH_CAP_FILE_BUFFER;
+    int caps = ceph_debug_get_fd_caps(cmount, fd);
+
+    ASSERT_EQ(expect, caps & expect);
+    ASSERT_EQ(0, ceph_close(cmount, fd));
+
+    caps = ceph_debug_get_file_caps(cmount, c_path);
+    ASSERT_EQ(expect, caps & expect);
+
+    char cw_path[1024];
+    sprintf(cw_path, "/caps_wzfile_%d_%d", mypid, i);
+    int wfd = ceph_open(cmount, cw_path, O_CREAT|O_TRUNC|O_WRONLY, 0644);
+    ASSERT_LT(0, wfd);
+
+    char wbuf[4096];
+    ASSERT_EQ(4096, ceph_write(cmount, wfd, wbuf, 4096, 0));
+
+    ASSERT_EQ(0, ceph_close(cmount, wfd));
+
+    struct ceph_statx stx;
+    ASSERT_EQ(0, ceph_statx(cmount, c_path, &stx, CEPH_STATX_MTIME, 0));
+
+    caps = ceph_debug_get_file_caps(cmount, c_path);
+    ASSERT_EQ(expect, caps & expect);
+  }
+
+  ASSERT_EQ(0, ceph_conf_set(cmount, "client_debug_inject_tick_delay", "20"));
+
+  for(i = 0; i < 30; ++i) {
+
+    char c_path[1024];
+    sprintf(c_path, "/caps_rzfile_%d_%d", mypid, i);
+
+    int fd = ceph_open(cmount, c_path, O_RDONLY, 0);
+    ASSERT_LT(0, fd);
+    char buf[256];
+
+    int expect = CEPH_CAP_FILE_RD | CEPH_STAT_CAP_SIZE | CEPH_CAP_FILE_CACHE;
+    int caps = ceph_debug_get_fd_caps(cmount, fd);
+    ASSERT_EQ(expect, caps & expect);
+    ASSERT_EQ(0, ceph_read(cmount, fd, buf, 256, 0));
+
+    caps = ceph_debug_get_fd_caps(cmount, fd);
+    ASSERT_EQ(expect, caps & expect);
+    ASSERT_EQ(0, ceph_close(cmount, fd));
+
+  }
+  ceph_shutdown(cmount);
+}
-- 
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