gdb/testsuite/gdb.python/py-mi-var-info-path-expression.exp

   1 # Copyright (C) 2018-2022 Free Software Foundation, Inc.
   2 # This program is free software; you can redistribute it and/or modify
   3 # it under the terms of the GNU General Public License as published by
   4 # the Free Software Foundation; either version 3 of the License, or
   5 # (at your option) any later version.
   6 #
   7 # This program is distributed in the hope that it will be useful,
   8 # but WITHOUT ANY WARRANTY; without even the implied warranty of
   9 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10 # GNU General Public License for more details.
  11 #
  12 # You should have received a copy of the GNU General Public License
  13 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  14
  15 # Tests whether -var-info-path-expression fails as documented when
  16 # invoked on a dynamic varobj.
  17
  18 load_lib mi-support.exp
  19 set MIFLAGS "-i=mi"
  20
  21 #
  22 # Start here
  23 #
  24 standard_testfile
  25
  26 if {[gdb_compile "$srcdir/$subdir/$srcfile" $binfile executable {debug}] != "" } {
  27     return -1
  28 }
  29
  30 mi_clean_restart $binfile
  31
  32 # Skip all tests if Python scripting is not enabled.
  33 if { [mi_skip_python_tests] } { continue }
  34
  35 set pyfile [gdb_remote_download host ${srcdir}/${subdir}/${testfile}.py]
  36 mi_gdb_test "source ${pyfile}" \
  37   ".*\\^done" \
  38   "load python file"
  39
  40 mi_gdb_test "-enable-pretty-printing" \
  41   "\\^done" \
  42   "-enable-pretty-printing"
  43
  44 mi_gdb_test "set python print-stack full" \
  45   ".*\\^done" \
  46   "set python print-stack full"
  47
  48 mi_runto_main
  49
  50 mi_continue_to_line [gdb_get_line_number "next line" ${srcfile}] \
  51   "step to breakpoint"
  52
  53 mi_gdb_test "-var-create c1 * &c1" \
  54    "\\^done.*" \
  55    "-var-create c1 * &c1"
  56
  57 mi_gdb_test "-var-info-path-expression c1" \
  58   "\\^done,path_expr=\"&c1\"" \
  59   "-var-info-path-expression c1"
  60
  61 mi_gdb_test "-var-list-children c1" \
  62   "\\^done,numchild=\"2\",children=.child=\{name=\"c1.car\".*child=\{name=\"c1.cdr\".*" \
  63   "-var-list-children c1"
  64
  65 mi_gdb_test "-var-info-path-expression c1.cdr" \
  66   "\\^error,msg=\".*\"" \
  67   "-var-info-path-expression c1.cdr"
  68
  69 mi_gdb_test "-var-list-children c1.cdr" \
  70   "\\^done,numchild=\"2\",children=.child=\{name=\"c1.cdr.car\".*child=\{name=\"c1.cdr.cdr\".*" \
  71   "-var-list-children c1.cdr"
  72
  73 mi_gdb_test "-var-info-path-expression c1.cdr.cdr" \
  74   "\\^error,msg=\".*\"" \
  75   "-var-info-path-expression c1.cdr.cdr"
  76
  77 mi_gdb_test "-var-list-children c1.car" \
  78   "\\^done,numchild=\"1\",children=.child=\{name=\"c1.car.atom\".*" \
  79   "-var-list-children c1.car"
  80
  81 mi_gdb_test "-var-list-children c1.car.atom" \
  82   "\\^done,numchild=\"1\",children=.child=\{name=\"c1.car.atom.ival\".*" \
  83   "-var-list-children c1.car.atom"
  84
  85 mi_gdb_test "-var-info-path-expression c1.car.atom.ival" \
  86   "\\^error,msg=\".*\"" \
  87   "-var-info-path-expression c1.car.atom.ival"
  88
  89
  90 # Regression test for a crasher that would occur when deleting a
  91 # varobj that held an iterator that hadn't yet been completed.
  92 # See PR varobj/28131.
  93 mi_gdb_test "-var-create c1_again * &c1" \
  94    "\\^done.*" \
  95    "-var-create c1_again * &c1"
  96 mi_gdb_test "-var-list-children c1_again 0 1" \
  97   "\\^done,numchild=\"1\",children=.child=\{name=\"c1_again.car\".*" \
  98   "-var-list-children c1_again"
  99 mi_delete_varobj c1_again "delete c1_again"