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

   1 # Copyright (C) 2008-2016 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 Python-based
  17 # pretty-printing for the CLI.
  18
  19 load_lib gdb-python.exp
  20
  21 standard_testfile
  22
  23 # Start with a fresh gdb.
  24 gdb_exit
  25 gdb_start
  26
  27 # Skip all tests if Python scripting is not enabled.
  28 if { [skip_python_tests] } { continue }
  29
  30 proc run_lang_tests {exefile lang} {
  31     global srcdir subdir srcfile testfile hex
  32     if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${exefile}" executable "debug $lang"] != "" } {
  33         untested "couldn't compile ${srcfile} in $lang mode"
  34         return -1
  35     }
  36
  37     set nl "\[\r\n\]+"
  38
  39     # Start with a fresh gdb.
  40     gdb_exit
  41     gdb_start
  42     gdb_reinitialize_dir $srcdir/$subdir
  43     gdb_load ${exefile}
  44
  45     if ![runto_main ] then {
  46         perror "couldn't run to breakpoint"
  47         return
  48     }
  49
  50     gdb_test_no_output "set print pretty on"
  51
  52     gdb_test "b [gdb_get_line_number {break to inspect} ${testfile}.c ]" \
  53         ".*Breakpoint.*"
  54     gdb_test "continue" ".*Breakpoint.*"
  55
  56     set remote_python_file [gdb_remote_download host \
  57                                 ${srcdir}/${subdir}/${testfile}.py]
  58
  59     gdb_test_no_output "python exec (open ('${remote_python_file}').read ())" \
  60         "python exec (open ('[file tail ${remote_python_file}]').read ())"
  61
  62     gdb_test "print ss" " = a=< a=<1> b=<$hex>> b=< a=<2> b=<$hex>>"
  63     gdb_test "print ssa\[1\]" " = a=< a=<5> b=<$hex>> b=< a=<6> b=<$hex>>"
  64     gdb_test "print ssa" " = {a=< a=<3> b=<$hex>> b=< a=<4> b=<$hex>>, a=< a=<5> b=<$hex>> b=< a=<6> b=<$hex>>}"
  65
  66     gdb_test "print arraystruct" " = {$nl *y = 7, *$nl *x = { a=<23> b=<$hex>,  a=<24> b=<$hex>} *$nl *}"
  67
  68     if {$lang == "c++"} {
  69         gdb_test "print cps" "=  a=<8> b=<$hex>"
  70         gdb_test "print cpss" " = {$nl *zss = 9, *$nl *s =  a=<10> b=<$hex>$nl}"
  71         gdb_test "print cpssa\[0\]" " = {$nl *zss = 11, *$nl *s =  a=<12> b=<$hex>$nl}"
  72         gdb_test "print cpssa\[1\]" " = {$nl *zss = 13, *$nl *s =  a=<14> b=<$hex>$nl}"
  73         gdb_test "print cpssa" " = {{$nl *zss = 11, *$nl *s =  a=<12> b=<$hex>$nl *}, {$nl *zss = 13, *$nl *s =  a=<14> b=<$hex>$nl *}}"
  74         gdb_test "print sss" "= a=<15> b=< a=<8> b=<$hex>>"
  75         gdb_test "print ref" "= a=<15> b=< a=<8> b=<$hex>>"
  76         gdb_test "print derived" \
  77             " = \{.*<Vbase1> = pp class name: Vbase1.*<Vbase2> = \{.*<VirtualTest> = pp value variable is: 1,.*members of Vbase2:.*_vptr.Vbase2 = $hex.*<Vbase3> = \{.*members of Vbase3.*members of Derived:.*value = 2.*"
  78         gdb_test "print ns " "\"embedded\\\\000null\\\\000string\""
  79         gdb_py_test_silent_cmd "set print elements 3" "" 1
  80         gdb_test "print ns" "emb\.\.\.."
  81         gdb_py_test_silent_cmd "set print elements 10" "" 1
  82         gdb_test "print ns" "embedded\\\\000n\.\.\.."
  83         gdb_py_test_silent_cmd "set print elements 200" "" 1
  84     }
  85
  86     if { ![is_address_zero_readable] } {
  87         gdb_test "print ns2" \
  88             ".error reading variable: Cannot access memory at address 0x0."
  89     }
  90
  91     gdb_test "print x" " = \"this is x\""
  92     gdb_test "print cstring" " = \"const string\""
  93
  94     gdb_test "print estring" " = \"embedded x\\\\201\\\\202\\\\203\\\\204\""
  95     if { ![is_address_zero_readable] } {
  96             gdb_test "print estring3" \
  97                 " = <error reading variable: Cannot create a lazy string with address 0x0, and a non-zero length.>"
  98     }
  99
 100     gdb_test_no_output "python pp_ls_encoding = 'UTF-8'"
 101     gdb_test "print estring2" "\"embedded \", <incomplete sequence \\\\302>"
 102
 103     gdb_test_no_output "set python print-stack full"
 104     gdb_test "print hint_error" "Exception: hint failed\r\nhint_error_val"
 105
 106     gdb_test "print c" " = container \"container\" with 2 elements = {$nl *.0. = 23,$nl *.1. = 72$nl}"
 107
 108     gdb_test "print nstype" " = {$nl *.0. = 7,$nl *.1. = 42$nl}"
 109
 110     gdb_test_no_output "set print pretty off"
 111     gdb_test "print nstype" " = {.0. = 7, .1. = 42}" \
 112         "print nstype on one line"
 113
 114     gdb_continue_to_end
 115 }
 116
 117 if { [run_lang_tests "${binfile}" "c"] == -1 } {
 118     return
 119 }
 120 if { [run_lang_tests "${binfile}-cxx" "c++"] == -1 } {
 121     return
 122 }
 123
 124 # Run various other tests.
 125
 126 # Start with a fresh gdb.
 127 gdb_exit
 128 gdb_start
 129 gdb_reinitialize_dir $srcdir/$subdir
 130 gdb_load ${binfile}
 131
 132 if ![runto_main ] then {
 133     perror "couldn't run to breakpoint"
 134     return
 135 }
 136
 137 set remote_python_file [gdb_remote_download host \
 138                             ${srcdir}/${subdir}/${testfile}.py]
 139
 140 gdb_test_no_output "python exec (open ('${remote_python_file}').read ())" \
 141     "python exec (open ('[file tail ${remote_python_file}]').read ())"
 142
 143 gdb_breakpoint [gdb_get_line_number "eval-break"]
 144 gdb_continue_to_breakpoint "eval-break" ".* eval-break .*"
 145
 146 gdb_test "info locals" "eval9 = eval=<123456789>"
 147
 148 gdb_test "b [gdb_get_line_number {break to inspect} ${testfile}.c ]" \
 149     ".*Breakpoint.*"
 150 gdb_test "continue" ".*Breakpoint.*"
 151
 152 gdb_test "print ss" " = a=< a=<1> b=<$hex>> b=< a=<2> b=<$hex>>" \
 153     "print ss enabled #1"
 154
 155 gdb_test_no_output "python disable_lookup_function ()"
 156
 157 gdb_test "print ss" " = {a = {a = 1, b = $hex}, b = {a = 2, b = $hex}}" \
 158     "print ss disabled"
 159
 160 gdb_test_no_output "python enable_lookup_function ()"
 161
 162 gdb_test "print ss" " = a=< a=<1> b=<$hex>> b=< a=<2> b=<$hex>>" \
 163     "print ss enabled #2"