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

   1 # Copyright (C) 2010-2019 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 # 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 "source ${remote_python_file}" "read file"
  50
  51     gdb_test_no_output "py progspace = gdb.current_progspace()"
  52     gdb_test_no_output "py my_pretty_printer1 = build_pretty_printer1()"
  53     gdb_test_no_output "py my_pretty_printer2 = build_pretty_printer2()"
  54
  55     return 1
  56 }
  57
  58 proc test_printers { s_prefix } {
  59     global hex
  60
  61     gdb_test "print flt" " = x=<42> y=<43>" \
  62         "print flt"
  63     gdb_test "print s" " = ${s_prefix} a=<1> b=<$hex>" \
  64         "print s"
  65 }
  66
  67 # Test registration with verbose off.
  68
  69 with_test_prefix "verbose off" {
  70     if ![prepare_test] {
  71         return -1
  72     }
  73
  74     gdb_test_no_output "set verbose off"
  75
  76     gdb_test_no_output "py gdb.printing.register_pretty_printer(gdb, lookup_function_lookup_test)"
  77     gdb_test_no_output "py gdb.printing.register_pretty_printer(progspace, my_pretty_printer1)"
  78
  79     test_printers "s1"
  80 }
  81
  82 # Test registration with verbose on.
  83
  84 with_test_prefix "verbose on" {
  85     if ![prepare_test] {
  86         return -1
  87     }
  88
  89     gdb_test_no_output "set verbose on"
  90
  91     gdb_test "py gdb.printing.register_pretty_printer(gdb, lookup_function_lookup_test)" \
  92         "Registering global lookup_function_lookup_test pretty-printer ..."
  93     gdb_test "py gdb.printing.register_pretty_printer(progspace, my_pretty_printer1)" \
  94         "Registering pp-test pretty-printer for .*/py-pp-registration ..."
  95
  96     test_printers "s1"
  97 }
  98
  99 # Exercise the "replace" argument to register_pretty_printer.
 100
 101 with_test_prefix "replace" {
 102     if ![prepare_test] {
 103         return -1
 104     }
 105
 106     gdb_test_no_output "py gdb.printing.register_pretty_printer(gdb, lookup_function_lookup_test)"
 107     gdb_test_no_output "py gdb.printing.register_pretty_printer(progspace, my_pretty_printer1)"
 108     gdb_test "py gdb.printing.register_pretty_printer(progspace, my_pretty_printer2, replace=False)" \
 109         "RuntimeError: pretty-printer already registered: pp-test\r\nError while executing Python code."
 110
 111     with_test_prefix "test printers 1" {
 112         test_printers "s1"
 113     }
 114
 115     gdb_test_no_output "py gdb.printing.register_pretty_printer(progspace, my_pretty_printer2, replace=True)"
 116
 117     with_test_prefix "test printers 2" {
 118         test_printers "s2"
 119     }
 120 }