ceph_test_libcephfs: check file open mode

Signed-off-by: Yan, Zheng <zyan@redhat.com>

diff --git a/src/test/libcephfs/test.cc b/src/test/libcephfs/test.cc
index 6b088df5c427559f8651138d64f52d91da8fd4b8..c11e04c2153fa906b935e4d8db379e0765f31b46 100644 (file)
--- a/src/test/libcephfs/test.cc
+++ b/src/test/libcephfs/test.cc
@@ -66,6 +66,40 @@ TEST(LibCephFS, OpenEmptyComponent) {
   ceph_shutdown(cmount);
 }
 
+TEST(LibCephFS, OpenReadWrite) {
+  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_conf_parse_env(cmount, NULL));
+  ASSERT_EQ(0, ceph_mount(cmount, "/"));
+
+  char c_path[1024];
+  sprintf(c_path, "test_open_rdwr_%d", getpid());
+  int fd = ceph_open(cmount, c_path, O_WRONLY|O_CREAT, 0666);
+  ASSERT_LT(0, fd);
+
+  const char *out_buf = "hello world";
+  size_t size = strlen(out_buf);
+  char in_buf[100];
+  ASSERT_EQ(ceph_write(cmount, fd, out_buf, size, 0), size);
+  ASSERT_EQ(ceph_read(cmount, fd, in_buf, sizeof(in_buf), 0), -EBADF);
+  ASSERT_EQ(0, ceph_close(cmount, fd));
+
+  fd = ceph_open(cmount, c_path, O_RDONLY, 0);
+  ASSERT_LT(0, fd);
+  ASSERT_EQ(ceph_write(cmount, fd, out_buf, size, 0), -EBADF);
+  ASSERT_EQ(ceph_read(cmount, fd, in_buf, sizeof(in_buf), 0), size);
+  ASSERT_EQ(0, ceph_close(cmount, fd));
+
+  fd = ceph_open(cmount, c_path, O_RDWR, 0);
+  ASSERT_LT(0, fd);
+  ASSERT_EQ(ceph_write(cmount, fd, out_buf, size, 0), size);
+  ASSERT_EQ(ceph_read(cmount, fd, in_buf, sizeof(in_buf), 0), size);
+  ASSERT_EQ(0, ceph_close(cmount, fd));
+
+  ceph_shutdown(cmount);
+}
+
 TEST(LibCephFS, MountNonExist) {
 
   struct ceph_mount_info *cmount;