gdb/testsuite/gdb.base/new-ui-pending-input.exp

   1 # Copyright 2016-2019 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 # Test 'gdb "-ex new-ui TTY" -ex "start"' (or any other synchronous
  17 # execution command), when TTY already has input pending.  GDB used to
  18 # internal error in this situation.
  19
  20 standard_testfile
  21
  22 set compile_options "debug"
  23 if {[build_executable $testfile.exp $testfile ${srcfile} ${compile_options}] == -1} {
  24     untested "failed to compile"
  25     return -1
  26 }
  27
  28 # See intro.
  29
  30 proc test_command_line_new_ui_pending_input {} {
  31     global gdb_prompt
  32     global binfile
  33
  34     # This test requires running a synchronous execution command from
  35     # the command line.
  36     if {[use_gdb_stub] || [target_info gdb_protocol] == "extended-remote" } {
  37         unsupported "can't run from the command line"
  38         return 0
  39     }
  40
  41     spawn -pty
  42     set extra_spawn_id $spawn_id
  43     set extra_tty_name $spawn_out(slave,name)
  44
  45     # An arbitrary number of prints.
  46     set nprints 3
  47
  48     # Queue a few commands before GDB is started.
  49     with_spawn_id $extra_spawn_id {
  50         for {set i 1} {$i <= $nprints} {incr i} {
  51             send_gdb "print $i\n"
  52         }
  53     }
  54     pass "commands pending"
  55
  56     # Now spawn GDB, creating a new-ui and at the same time running a
  57     # synchronous command.
  58     set test "spawn gdb"
  59
  60     set bpline [gdb_get_line_number "set breakpoint here"]
  61
  62     set options ""
  63     append options " -iex \"set height 0\""
  64     append options " -iex \"set width 0\""
  65     append options " -iex \"new-ui console $extra_tty_name\""
  66     append options " -ex \"b $bpline\""
  67     append options " -ex \"run\""
  68
  69     if {[gdb_spawn_with_cmdline_opts "$options $binfile"] != 0} {
  70         fail $test
  71         return
  72     } else {
  73         pass $test
  74     }
  75
  76     # Consume the initial prompt on the extra console.
  77     with_spawn_id $extra_spawn_id {
  78         set test "initial prompt on extra console"
  79         gdb_test_multiple "" $test {
  80             -re "$gdb_prompt $" {
  81                 pass $test
  82             }
  83         }
  84     }
  85
  86     # Check that we see the result of the print commands in the extra
  87     # UI.
  88     with_spawn_id $extra_spawn_id {
  89         for {set i 1} {$i <= $nprints} {incr i} {
  90             set test "print $i on extra console"
  91             gdb_test_multiple "" $test {
  92                 -re " = $i\r\n$gdb_prompt " {
  93                     pass "$test"
  94                 }
  95             }
  96         }
  97     }
  98
  99     # Now check that we reach the breakpoint successfully.
 100     set test "run to breakpoint on main console"
 101     gdb_test_multiple "" $test {
 102         -re "Breakpoint .* main .*set breakpoint here.*$gdb_prompt $" {
 103             pass $test
 104         }
 105     }
 106
 107     # And likewise on the extra console.  No prompt is expected.
 108     with_spawn_id $extra_spawn_id {
 109         set test "run to breakpoint on extra console"
 110         gdb_test_multiple "" $test {
 111             -re "Breakpoint .* main .*set breakpoint here" {
 112                 pass $test
 113             }
 114         }
 115     }
 116 }
 117
 118 # The driver.  Calls all tests.
 119 proc testcase_driver {} {
 120     test_command_line_new_ui_pending_input
 121 }
 122
 123 testcase_driver