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

   1 # Copyright 2014-2021 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 debug methods
  17 # feature in the Python extension language.
  18
  19 load_lib gdb-python.exp
  20
  21 if { [skip_cplus_tests] } {
  22     untested "skipping C++ tests"
  23     return
  24 }
  25
  26 standard_testfile py-xmethods.cc
  27
  28 if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug c++}]} {
  29     return -1
  30 }
  31
  32 # Skip all tests if Python scripting is not enabled.
  33 if { [skip_python_tests] } {
  34     untested "skipping Python tests"
  35     return
  36 }
  37
  38 if ![runto_main] {
  39    return -1
  40 }
  41
  42 set xmethods_script [gdb_remote_download host \
  43                      ${srcdir}/${subdir}/${testfile}.py]
  44
  45 gdb_breakpoint [gdb_get_line_number "Break here."]
  46 gdb_continue_to_breakpoint "Break here" ".*Break here.*"
  47
  48 # Tests before loading the debug methods.
  49 gdb_test "p a1 + a2" ".* = 15" "before: a1 + a2"
  50 gdb_test "p a_plus_a" ".* = 1" "before: a_plus_a 1"
  51
  52 gdb_test "p a2 - a1" ".* = 5" "before: a2 - a1"
  53 gdb_test "p a_minus_a" ".* = 1" "before: a_minus_a 1"
  54
  55 gdb_test "p b1 - a1" ".* = 25" "before: b1 - a1"
  56 gdb_test "p a_minus_a" ".* = 2" "before: a_minus_a 2"
  57
  58 gdb_test "p a1.geta()" ".* = 5" "before: a1.geta()"
  59 gdb_test "p a_geta" ".* = 1" "before: a_geta 1"
  60
  61 gdb_test "p ++a1" "No symbol.*" "before: ++a1"
  62 gdb_test "p a1.getarrayind(5)" "Couldn't find method.*" \
  63   "before: a1.getarrayind(5)"
  64
  65 gdb_test "p a_ptr->geta()" ".* = 60" "before: a_ptr->geta()"
  66 gdb_test "p b_geta" ".* = 1" "before: b_geta 1"
  67
  68 gdb_test "p e.geta()" ".* = 100" "before: e.geta()"
  69 gdb_test "p a_geta" ".* = 2" "before: a_geta 2"
  70
  71 # Since g.size_diff operates of sizes of int and float, do not check for
  72 # actual result value as it could be different on different platforms.
  73 gdb_test "p g.size_diff<float>()" ".*" "before: call g.size_diff<float>()"
  74 gdb_test "p g_size_diff" ".* = 2" "before: g_size_diff 2"
  75
  76 gdb_test "p g.size_diff<unsigned long>()" "Couldn't find method.*" \
  77   "before: g.size_diff<unsigned long>()"
  78
  79 gdb_test "p g.size_mul<2>()" ".*" "before: g.size_mul<2>()"
  80 gdb_test "p g_size_mul" ".* = 2" "before: g_size_mul 2"
  81
  82 gdb_test "p g.size_mul<5>()" "Couldn't find method.*" \
  83   "before: g.size_mul<5>()"
  84
  85 gdb_test "p g.mul<double>(2.0)" ".* = 10" "before: g.mul<double>(2.0)"
  86 gdb_test "p g_mul" ".* = 2" "before: g_mul 2"
  87
  88 gdb_test "p g.mul<char>('a')" "Couldn't find method.*" \
  89   "before: g.mul<char>('a')"
  90
  91 # Load the script which adds the debug methods.
  92 gdb_test_no_output "source ${xmethods_script}" "load the script file"
  93
  94 # Tests after loading debug methods.
  95 gdb_test "p a1 + a2" "From Python <A_plus_A>.*15" "after: a1 + a2"
  96
  97 gdb_test "p a2 - a1" ".* = 5" "after: a2 - a1"
  98 gdb_test "p a_minus_a" ".* = 3" "after: a_minus_a 3"
  99
 100 gdb_test "p b1 + a1" "From Python <A_plus_A>.*35" "after: b1 + a1"
 101
 102 gdb_test "p b1 - a1" ".* = 25" "after: b1 - a1"
 103 gdb_test "p a_minus_a" ".* = 4" "after: a_minus_a 4"
 104
 105 gdb_test "p a1.geta()" "From Python <A_geta>.*5" "after: a1.geta()"
 106 gdb_test "p ++a1" "From Python <plus_plus_A>.*6" "after: ++a1"
 107 gdb_test "p a1.getarrayind(5)" "From Python <A_getarrayind>.*5" \
 108   "after: a1.getarrayind(5)"
 109 gdb_test "p a1\[6\]" ".*int &.*6" "after a1\[\]"
 110 gdb_test "p b1\[7\]" ".*const int &.*7" "after b1\[\]"
 111 # Note the following test.  Xmethods on dynamc types are not looked up
 112 # currently.  Hence, even though a_ptr points to a B object, the xmethod
 113 # defined for A objects is invoked.
 114 gdb_test "p a_ptr->geta()" "From Python <A_geta>.*30" "after: a_ptr->geta()"
 115 gdb_test "p e.geta()" "From Python <A_geta>.*100" "after: e.geta()"
 116 gdb_test "p e_ptr->geta()" "From Python <A_geta>.*100" "after: e_ptr->geta()"
 117 gdb_test "p e_ref.geta()" "From Python <A_geta>.*100" "after: e_ref.geta()"
 118 gdb_test "p e.method(10)" "From Python <E_method_int>.* = void" \
 119   "after: e.method(10)"
 120 gdb_test "p e.method('a')" "From Python <E_method_char>.* = void" \
 121   "after: e.method('a')"
 122 gdb_test "p g.size_diff<float>  ()" "From Python G<>::size_diff.*" \
 123   "after: g.size_diff<float>()"
 124 gdb_test "p g.size_diff<  unsigned long  >()" "From Python G<>::size_diff.*" \
 125   "after: g.size_diff<unsigned long>()"
 126 gdb_test "p g.size_mul<2>()" "From Python G<>::size_mul.*" \
 127   "after: g.size_mul<2>()"
 128 gdb_test "p g.size_mul<  5  >()" "From Python G<>::size_mul.*" \
 129   "after: g.size_mul<  5  >()"
 130 gdb_test "p g.mul<double>(2.0)" "From Python G<>::mul.*" \
 131   "after: g.mul<double>(2.0)"
 132 gdb_test "p g.mul<char>('a')" "From Python G<>::mul.*" \
 133 gdb_test "p g_ptr->mul<char>('a')" "From Python G<>::mul.*" \
 134   "after: g_ptr->mul<char>('a')"
 135
 136 # Tests for 'disable/enable xmethod' command.
 137 gdb_test_no_output "disable xmethod progspace G_methods" \
 138   "disable G_methods"
 139 gdb_test "p g.mul<char>('a')" "Couldn't find method.*" \
 140   "g.mul<char>('a') after disabling G_methods"
 141 gdb_test_no_output "enable xmethod progspace G_methods" \
 142   "dnable G_methods"
 143 gdb_test "p g.mul<char>('a')" "From Python G<>::mul.*" \
 144   "after enabling G_methods"
 145 gdb_test_no_output "disable xmethod progspace G_methods;mul" \
 146   "disable G_methods;mul"
 147 gdb_test "p g.mul<char>('a')" "Couldn't find method.*" \
 148   "g.mul<char>('a') after disabling G_methods;mul"
 149 gdb_test_no_output "enable xmethod progspace G_methods;mul" \
 150   "enable G_methods;mul"
 151 gdb_test "p g.mul<char>('a')" "From Python G<>::mul.*" \
 152   "after enabling G_methods;mul"
 153
 154 # Test for 'info xmethods' command
 155 gdb_test "info xmethod global plus" "global.*plus_plus_A" \
 156   "info xmethod global plus 1"
 157 gdb_test_no_output "disable xmethod progspace E_methods;method_int" \
 158   "disable xmethod progspace E_methods;method_int"
 159 gdb_test "info xmethod progspace E_methods;method_int" ".* \\\[disabled\\\]" \
 160   "info xmethod xmethods E_methods;method_int"
 161 gdb_test_no_output "disable xmethod progspace G_methods" "disable G_methods 2"
 162 gdb_test "info xmethod progspace" ".*G_methods \\\[disabled\\\].*"
 163
 164 # PR 18285
 165 # First make sure both are enabled.
 166 gdb_test_no_output "enable xmethod progspace E_methods;method_char"
 167 gdb_test_no_output "enable xmethod progspace E_methods;method_int"
 168 gdb_test "pt e.method('a')" "type = void"
 169 gdb_test "pt e.method(10)" \
 170     "NotImplementedError.*Error while fetching result type of an xmethod worker defined in Python."