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

   1 # Copyright (C) 2008, 2009, 2010 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 MI.
  18
  19 load_lib mi-support.exp
  20 set MIFLAGS "-i=mi2"
  21
  22 gdb_exit
  23 if [mi_gdb_start] {
  24     continue
  25 }
  26
  27 set testfile "py-prettyprint"
  28 set srcfile ${testfile}.c
  29 set binfile ${objdir}/${subdir}/${testfile}
  30 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-DMI}] != "" } {
  31     untested mi2-var-child.exp
  32     return -1
  33 }
  34
  35 mi_delete_breakpoints
  36 mi_gdb_reinitialize_dir $srcdir/$subdir
  37 mi_gdb_load ${binfile}
  38
  39 if {[lsearch -exact [mi_get_features] python] < 0} {
  40     unsupported "python support is disabled"
  41     return -1
  42 }
  43
  44 mi_runto main
  45
  46 set remote_python_file [remote_download host ${srcdir}/${subdir}/${testfile}.py]
  47
  48 mi_gdb_test "python execfile ('${remote_python_file}')" ""
  49
  50 mi_continue_to_line [gdb_get_line_number {MI breakpoint here} ${testfile}.c] \
  51   "step to breakpoint"
  52
  53 mi_create_dynamic_varobj container c \
  54   "create container varobj, no pretty-printing"
  55
  56 mi_list_varobj_children container {
  57   { container.name name 1 string }
  58   { container.len len 0 int }
  59   { container.elements elements 1 "int ." }
  60 } "examine container children=0, no pretty-printing"
  61
  62 mi_delete_varobj container "delete varobj"
  63
  64 mi_gdb_test "-enable-pretty-printing" ""
  65
  66 mi_create_varobj_checked string string_1 \
  67     "struct string_repr" \
  68     "create string_1 varobj"
  69
  70 mi_create_varobj_checked lstring estring \
  71     "struct lazystring" \
  72     "create estring varobj"
  73
  74 mi_gdb_test "-data-evaluate-expression \"string_1 = string_2\"" ".*" \
  75     "assign string_1 from string_2"
  76
  77 mi_gdb_test "-var-update string" \
  78     "\\^done,changelist=\\\[{name=\"string\",in_scope=\"true\",type_changed=\"false\",dynamic=\"1\",has_more=\"0\"}\\\]" \
  79     "update string varobj after assignment"
  80
  81 mi_create_dynamic_varobj container c \
  82   "create container varobj"
  83
  84 mi_list_varobj_children container {
  85 } "examine container children=0"
  86
  87 mi_next "next over update 1"
  88
  89 mi_varobj_update_dynamic container "varobj update 1" {
  90     type_changed false new_num_children 1 dynamic 1 has_more 0
  91 } {
  92 } {
  93     { name {container.\[0\]} exp {\[0\]} numchild 0 type int thread-id 1 }
  94 }
  95
  96 mi_next "next over update 2"
  97
  98 mi_varobj_update_dynamic container "varobj update 2" {
  99     type_changed false new_num_children 2 dynamic 1 has_more 0
 100 } {
 101 } {
 102     { name {container.\[1\]} exp {\[1\]} numchild 0 type int thread-id 1 }
 103 }
 104
 105 mi_gdb_test "-var-set-visualizer container None" \
 106   "\\^done" \
 107   "clear visualizer"
 108
 109 mi_gdb_test "-var-update container" \
 110   "\\^done,changelist=\\\[\\\]" \
 111   "varobj update after clearing"
 112
 113 mi_gdb_test "-var-set-visualizer container gdb.default_visualizer" \
 114   "\\^done" \
 115   "choose default visualizer"
 116
 117 mi_varobj_update_dynamic container "varobj update after choosing default" {
 118     type_changed false new_num_children 2 dynamic 1 has_more 0
 119 } {
 120 } {
 121     { name {container.\[0\]} exp {\[0\]} numchild 0 type int thread-id 1 }
 122     { name {container.\[1\]} exp {\[1\]} numchild 0 type int thread-id 1 }
 123 }
 124
 125 mi_gdb_test "-var-set-visualizer container ContainerPrinter" \
 126   "\\^done" \
 127   "choose visualizer using expression"
 128
 129 mi_varobj_update_dynamic container \
 130   "varobj update after choosing via expression" {
 131       type_changed false new_num_children 2 dynamic 1 has_more 0
 132   } {
 133   } {
 134       { name {container.\[0\]} exp {\[0\]} numchild 0 type int thread-id 1 }
 135       { name {container.\[1\]} exp {\[1\]} numchild 0 type int thread-id 1 }
 136   }
 137
 138 mi_list_varobj_children_range container 1 2 2 {
 139     { {container.\[1\]} {\[1\]} 0 int }
 140 } "list varobj children after selecting child range"
 141
 142 mi_list_varobj_children_range container -1 -1 2 {
 143     { {container.\[0\]} {\[0\]} 0 int }
 144     { {container.\[1\]} {\[1\]} 0 int }
 145 } "list varobj children after resetting child range"
 146
 147 mi_next "next over update 3"
 148
 149 mi_gdb_test "-var-set-update-range container 0 1" \
 150   "\\^done" \
 151   "set update range"
 152
 153 # This should truncate the list.
 154 mi_list_varobj_children container {
 155     { {container.\[0\]} {\[0\]} 0 int }
 156 } "list children after setting update range"
 157
 158 # This should return just the items in [1,2).
 159 mi_list_varobj_children_range container 1 2 2 {
 160     { {container.\[1\]} {\[1\]} 0 int }
 161 } "list selected children after setting range"
 162
 163 # This should not be affected by the previous list-children request.
 164 mi_list_varobj_children container {
 165     { {container.\[0\]} {\[0\]} 0 int }
 166 } "list children after listing selected range"
 167
 168 mi_next "next over update 4"
 169
 170 # This should only show the first child, because the update range has
 171 # been set.
 172 mi_varobj_update_dynamic container \
 173   "update after next with restricted range" {
 174       type_changed false new_num_children 1 dynamic 1 has_more 1
 175   } {
 176       { name {container.\[0\]} in_scope true type_changed false dynamic 1 has_more 0 }
 177   } {
 178   }
 179
 180 mi_gdb_test "-var-set-update-range container 3 4" \
 181   "\\^done" \
 182   "set update range with non-zero start"
 183
 184 # Elements were updated but should not be reported.
 185 mi_varobj_update_dynamic container \
 186   "update varobj with change outside selected range" {
 187       type_changed false new_num_children 3 dynamic 1 has_more 0
 188   } {
 189   } {
 190   }
 191
 192 mi_next "next over update 5"
 193
 194 # Regression test: examine an object that has no children, then update
 195 # it to ensure that we don't print the children.
 196 mi_create_dynamic_varobj container2 c2 \
 197   "create second container varobj"
 198
 199 mi_gdb_test "-var-update container2" \
 200   "\\^done,changelist=.." \
 201   "update varobj, no children requested"
 202
 203 mi_next "next over update 6"
 204
 205 # Now container2 has an element -- and an update should mention that
 206 # it has_more.  But, because we did not request children, we still
 207 # should not actually see them.
 208 mi_varobj_update_dynamic container2 \
 209     "update varobj 2, no children requested" {
 210         type_changed false dynamic 1 has_more 1
 211     } {} {}
 212
 213 mi_continue_to_line \
 214     [gdb_get_line_number {MI outer breakpoint here} ${testfile}.c] \
 215     "step to outer breakpoint"
 216
 217 mi_create_dynamic_varobj outer outer \
 218   "create outer varobj"
 219
 220 mi_list_varobj_children outer {
 221   { outer.s s 2 "struct substruct" }
 222   { outer.x x 0 "int" }
 223 } "list children of outer"
 224
 225 mi_list_varobj_children outer.s {
 226   { outer.s.a a 0 int }
 227   { outer.s.b b 0 int }
 228 } "list children of outer.s"
 229
 230 mi_next "next over outer update"
 231
 232 mi_gdb_test "-var-update outer" \
 233   ".done,changelist=.{name=\"outer.s.a\",in_scope=\"true\",type_changed=\"false\",dynamic=\"1\",has_more=\"0\"}." \
 234   "update after updating element of outer"
 235
 236 mi_continue_to_line \
 237     [gdb_get_line_number {Another MI breakpoint} ${testfile}.c] \
 238     "step to second breakpoint"
 239
 240 mi_varobj_update_with_type_change container int 0 "update after type change"
 241
 242 remote_file host delete ${remote_python_file}