LCOV - code coverage report
Current view: top level - control - test-tap-ctl-free.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 31 31 100.0 %
Date: 2023-06-20 10:41:14 Functions: 3 3 100.0 %
Branches: 0 0 -

           Branch data     Line data    Source code
       1                 :            : /*
       2                 :            :  * Copyright (c) 2020, Citrix Systems, Inc.
       3                 :            :  *
       4                 :            :  * All rights reserved.
       5                 :            :  *
       6                 :            :  * Redistribution and use in source and binary forms, with or without
       7                 :            :  * modification, are permitted provided that the following conditions are met:
       8                 :            :  * 
       9                 :            :  *  1. Redistributions of source code must retain the above copyright
      10                 :            :  *     notice, this list of conditions and the following disclaimer.
      11                 :            :  *  2. Redistributions in binary form must reproduce the above copyright
      12                 :            :  *     notice, this list of conditions and the following disclaimer in the
      13                 :            :  *     documentation and/or other materials provided with the distribution.
      14                 :            :  *  3. Neither the name of the copyright holder nor the names of its 
      15                 :            :  *     contributors may be used to endorse or promote products derived from 
      16                 :            :  *     this software without specific prior written permission.
      17                 :            :  *
      18                 :            :  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
      19                 :            :  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
      20                 :            :  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
      21                 :            :  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
      22                 :            :  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
      23                 :            :  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
      24                 :            :  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
      25                 :            :  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
      26                 :            :  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
      27                 :            :  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
      28                 :            :  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
      29                 :            :  */
      30                 :            : 
      31                 :            : #include <stddef.h>
      32                 :            : #include <stdarg.h>
      33                 :            : #include <setjmp.h>
      34                 :            : #include <cmocka.h>
      35                 :            : #include <errno.h>
      36                 :            : 
      37                 :            : #include <wrappers.h>
      38                 :            : #include "control-wrappers.h"
      39                 :            : #include "test-suites.h"
      40                 :            : 
      41                 :            : #include "tap-ctl.h"
      42                 :            : #include "blktap2.h"
      43                 :            : 
      44                 :          1 : void test_tap_ctl_free_open_fail(void **state)
      45                 :            : {
      46                 :          1 :         int dev_fd = -1;
      47                 :            :         int result;
      48                 :            : 
      49                 :          1 :         will_return(__wrap_open, dev_fd);
      50                 :          1 :         expect_string(__wrap_open, pathname, "/dev/xen/blktap-2/control");
      51                 :            : 
      52                 :          1 :         result = tap_ctl_free(0);
      53                 :            : 
      54                 :          1 :         assert_int_equal(result, ENOENT);
      55                 :          1 : }
      56                 :            : 
      57                 :          1 : void test_tap_ctl_free_success(void **state)
      58                 :            : {
      59                 :          1 :         int dev_fd = 12;
      60                 :            :         int result;
      61                 :            : 
      62                 :          1 :         will_return(__wrap_open, dev_fd);
      63                 :          1 :         expect_string(__wrap_open, pathname, "/dev/xen/blktap-2/control");
      64                 :            : 
      65                 :          1 :         will_return(__wrap_ioctl, 0);
      66                 :          1 :         expect_value(__wrap_ioctl, fd, dev_fd);
      67                 :          1 :         expect_value(__wrap_ioctl, request, BLKTAP2_IOCTL_FREE_TAP);
      68                 :            : 
      69                 :          1 :         will_return(__wrap_close, 0);
      70                 :          1 :         expect_value(__wrap_close, fd, dev_fd);
      71                 :            : 
      72                 :          1 :         result = tap_ctl_free(0);
      73                 :            : 
      74                 :          1 :         assert_int_equal(result, 0);
      75                 :          1 : }
      76                 :            : 
      77                 :          1 : void test_tap_ctl_free_ioctl_busy(void **state)
      78                 :            : {
      79                 :          1 :         int dev_fd = 12;
      80                 :            :         int result;
      81                 :            : 
      82                 :          1 :         will_return(__wrap_open, dev_fd);
      83                 :          1 :         expect_string(__wrap_open, pathname, "/dev/xen/blktap-2/control");
      84                 :            : 
      85                 :          1 :         will_return(__wrap_ioctl, EBUSY);
      86                 :          1 :         expect_value(__wrap_ioctl, fd, dev_fd);
      87                 :          1 :         expect_value(__wrap_ioctl, request, BLKTAP2_IOCTL_FREE_TAP);
      88                 :            : 
      89                 :          1 :         will_return(__wrap_close, 0);
      90                 :          1 :         expect_value(__wrap_close, fd, dev_fd);
      91                 :            : 
      92                 :          1 :         result = tap_ctl_free(0);
      93                 :            : 
      94                 :          1 :         assert_int_equal(result, -EBUSY);
      95                 :          1 : }

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