gdb/testsuite/gdb.python/py-prompt.exp

   1 # Copyright (C) 2011-2012 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 # This file is part of the GDB testsuite.  It tests the mechanism
  17 # for defining the prompt in Python.
  18
  19 set testfile "py-prompt"
  20 set srcfile ${testfile}.c
  21 set binfile ${objdir}/${subdir}/${testfile}
  22
  23 # We need to use TCL's exec to get the pid.
  24 if [is_remote target] then {
  25     return 0
  26 }
  27
  28 load_lib gdb-python.exp
  29 load_lib prompt.exp
  30
  31 # Start with a fresh gdb.
  32
  33 gdb_exit
  34 gdb_start
  35 gdb_reinitialize_dir $srcdir/$subdir
  36
  37 # Skip all tests if Python scripting is not enabled.
  38 if { [skip_python_tests] } { continue }
  39 gdb_exit
  40
  41 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  42     untested py-prompt.exp
  43     return -1
  44 }
  45
  46 global GDBFLAGS
  47 set saved_gdbflags $GDBFLAGS
  48 set GDBFLAGS [concat $GDBFLAGS " -ex \"set height 0\""]
  49 set GDBFLAGS [concat $GDBFLAGS " -ex \"set width 0\""]
  50 set GDBFLAGS [concat $GDBFLAGS " -ex \"python p = list()\""]
  51 set prompt_func "python def foo(x): global p; p.append(x);  return \'(Foo) \'"
  52 set GDBFLAGS [concat $GDBFLAGS " -ex \"$prompt_func\""]
  53 set GDBFLAGS [concat $GDBFLAGS " -ex \"python gdb.prompt_hook=foo\""]
  54
  55 set tmp_gdbflags $GDBFLAGS
  56 set gdb_prompt_fail $gdb_prompt
  57
  58 global gdb_prompt
  59 # Does not include the space at the end of the prompt.
  60 # gdb_test expects it not to be there.
  61 set gdb_prompt "\[(\]Foo\[)\]"
  62
  63 set GDBFLAGS [concat $tmp_gdbflags " -ex \"set editing on\""]
  64 prompt_gdb_start
  65 gdb_test "python x = len(p); print gdb.execute(\"show prompt\", to_string = True)" \
  66          ".*prompt is \"$gdb_prompt \".*" \
  67          "show prompt gets the correct result"
  68 gdb_test "python print x, len(p)" "1 2" \
  69          "retrieving the prompt causes no extra prompt_hook calls"
  70 gdb_test "python print \"'\" + str(p\[0\]) + \"'\"" "'$gdb_prompt_fail '" \
  71          "prompt_hook argument is default prompt."
  72 gdb_exit
  73
  74
  75 set GDBFLAGS [concat $tmp_gdbflags " -ex \"set editing off\""]
  76 prompt_gdb_start
  77 gdb_test "python x = len(p); print gdb.execute(\"show prompt\", to_string = True)" \
  78          ".*prompt is \"$gdb_prompt \".*" \
  79          "show prompt gets the correct result 2"
  80 gdb_test "python print x, len(p)" "1 2" \
  81          "retrieving the prompt causes no extra prompt_hook calls 2"
  82 gdb_test "python print \"'\" + str(p\[0\]) + \"'\"" "'$gdb_prompt_fail '" \
  83          "prompt_hook argument is default prompt. 2"
  84 gdb_exit
  85
  86 # Start the program running and then wait for a bit, to be sure
  87 # that it can be attached to.
  88 set testpid [eval exec $binfile &]
  89 exec sleep 2
  90 if { [istarget "*-*-cygwin*"] } {
  91     # testpid is the Cygwin PID, GDB uses the Windows PID, which might be
  92     # different due to the way fork/exec works.
  93     set testpid [ exec ps -e | gawk "{ if (\$1 == $testpid) print \$4; }" ]
  94 }
  95
  96 set GDBFLAGS [concat $tmp_gdbflags " -ex \"set target-async on\""]
  97 set GDBFLAGS [concat $GDBFLAGS " -ex \"set pagination off\""]
  98 set GDBFLAGS [concat $GDBFLAGS " -ex \"set editing on\""]
  99 set GDBFLAGS [concat $GDBFLAGS " -ex \"attach $testpid\""]
 100 set GDBFLAGS [concat $GDBFLAGS " -ex \"continue&\""]
 101
 102 # sync_execution = 1 is_running = 1
 103 prompt_gdb_start
 104 gdb_test "python x = len(p); print gdb.execute(\"show prompt\", to_string = True)" \
 105          ".*prompt is \"$gdb_prompt \".*" \
 106          "show prompt gets the correct result 3"
 107 gdb_test "python print x, len(p)" "1 2" \
 108          "retrieving the prompt causes no extra prompt_hook calls 3"
 109 gdb_test "python print \"'\" + str(p\[0\]) + \"'\"" "'$gdb_prompt_fail '" \
 110          "prompt_hook argument is default prompt. 3"
 111 gdb_exit
 112
 113 set GDBFLAGS [concat $tmp_gdbflags " -ex \"set target-async on\""]
 114 set GDBFLAGS [concat $GDBFLAGS " -ex \"set pagination off\""]
 115 set GDBFLAGS [concat $GDBFLAGS " -ex \"set editing on\""]
 116 set GDBFLAGS [concat $GDBFLAGS " -ex \"attach $testpid\""]
 117 set GDBFLAGS [concat $GDBFLAGS " -ex \"interrupt\""]
 118
 119 # sync_execution = 1 is_running = 0
 120 prompt_gdb_start
 121 gdb_test "python x = len(p); print gdb.execute(\"show prompt\", to_string = True)" \
 122          ".*prompt is \"$gdb_prompt \".*" \
 123          "show prompt gets the correct result 4"
 124 gdb_test "python print x, len(p)" "1 2" \
 125          "retrieving the prompt causes no extra prompt_hook calls 4"
 126 gdb_test "python print \"'\" + str(p\[0\]) + \"'\"" "'$gdb_prompt_fail '" \
 127          "prompt_hook argument is default prompt. 4"
 128 gdb_exit
 129
 130 set GDBFLAGS $saved_gdbflags
 131 return 0