gdb/testsuite/gdb.python/py-pp-registration.exp

   1 # Copyright (C) 2010-2016 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 pretty
  17 # printer registration.
  18
  19 load_lib gdb-python.exp
  20
  21 standard_testfile
  22
  23 if {[prepare_for_testing "failed to prepare" $testfile $srcfile debug]} {
  24     return -1
  25 }
  26
  27 # Skip all tests if Python scripting is not enabled.
  28 if { [skip_python_tests] } { continue }
  29
  30 set remote_python_file [gdb_remote_download host \
  31                             ${srcdir}/${subdir}/${testfile}.py]
  32
  33 if ![runto_main ] {
  34     fail "can't run to main"
  35     return -1
  36 }
  37
  38 proc prepare_test { } {
  39     global testfile remote_python_file
  40
  41     # Start with a fresh gdb.
  42     clean_restart ${testfile}
  43
  44     set run_to_here [gdb_get_line_number {break to inspect} ${testfile}.c ]
  45     if ![runto ${testfile}.c:$run_to_here message] {
  46         return 0
  47     }
  48
  49     gdb_test_no_output "python exec (open ('${remote_python_file}').read ())" \
  50         "read file"
  51
  52     gdb_test_no_output "py progspace = gdb.current_progspace()"
  53     gdb_test_no_output "py my_pretty_printer1 = build_pretty_printer1()"
  54     gdb_test_no_output "py my_pretty_printer2 = build_pretty_printer2()"
  55
  56     return 1
  57 }
  58
  59 proc test_printers { s_prefix } {
  60     global hex
  61
  62     gdb_test "print flt" " = x=<42> y=<43>" \
  63         "print flt"
  64     gdb_test "print s" " = ${s_prefix} a=<1> b=<$hex>" \
  65         "print s"
  66 }
  67
  68 # Test registration with verbose off.
  69
  70 with_test_prefix "verbose off" {
  71     if ![prepare_test] {
  72         return -1
  73     }
  74
  75     gdb_test_no_output "set verbose off"
  76
  77     gdb_test_no_output "py gdb.printing.register_pretty_printer(gdb, lookup_function_lookup_test)"
  78     gdb_test_no_output "py gdb.printing.register_pretty_printer(progspace, my_pretty_printer1)"
  79
  80     test_printers "s1"
  81 }
  82
  83 # Test registration with verbose on.
  84
  85 with_test_prefix "verbose on" {
  86     if ![prepare_test] {
  87         return -1
  88     }
  89
  90     gdb_test_no_output "set verbose on"
  91
  92     gdb_test "py gdb.printing.register_pretty_printer(gdb, lookup_function_lookup_test)" \
  93         "Registering global lookup_function_lookup_test pretty-printer ..."
  94     gdb_test "py gdb.printing.register_pretty_printer(progspace, my_pretty_printer1)" \
  95         "Registering pp-test pretty-printer for .*/py-pp-registration ..."
  96
  97     test_printers "s1"
  98 }
  99
 100 # Exercise the "replace" argument to register_pretty_printer.
 101
 102 with_test_prefix "replace" {
 103     if ![prepare_test] {
 104         return -1
 105     }
 106
 107     gdb_test_no_output "py gdb.printing.register_pretty_printer(gdb, lookup_function_lookup_test)"
 108     gdb_test_no_output "py gdb.printing.register_pretty_printer(progspace, my_pretty_printer1)"
 109     gdb_test "py gdb.printing.register_pretty_printer(progspace, my_pretty_printer2, replace=False)" \
 110         "RuntimeError: pretty-printer already registered: pp-test\r\nError while executing Python code."
 111
 112     with_test_prefix "test printers 1" {
 113         test_printers "s1"
 114     }
 115
 116     gdb_test_no_output "py gdb.printing.register_pretty_printer(progspace, my_pretty_printer2, replace=True)"
 117
 118     with_test_prefix "test printers 2" {
 119         test_printers "s2"
 120     }
 121 }