gdb/testsuite/gdb.dap/children.exp

   1 # Copyright 2023-2024 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 # Test the handling of non-Value responses from 'children' method.
  17
  18 require allow_dap_tests
  19
  20 load_lib dap-support.exp
  21
  22 standard_testfile lazy-string.c
  23
  24 if {[build_executable ${testfile}.exp $testfile $srcfile] == -1} {
  25     return
  26 }
  27
  28 set remote_python_file [gdb_remote_download host \
  29                             ${srcdir}/${subdir}/${testfile}.py]
  30
  31 save_vars GDBFLAGS {
  32     append GDBFLAGS " -iex \"source $remote_python_file\""
  33
  34     if {[dap_launch $testfile] == ""} {
  35         return
  36     }
  37 }
  38
  39 set line [gdb_get_line_number "STOP"]
  40 set obj [dap_check_request_and_response "set breakpoint by line number" \
  41              setBreakpoints \
  42              [format {o source [o path [%s]] breakpoints [a [o line [i %d]]]} \
  43                   [list s $srcfile] $line]]
  44 set line_bpno [dap_get_breakpoint_number $obj]
  45
  46 dap_check_request_and_response "start inferior" configurationDone
  47
  48 dap_wait_for_event_and_check "stopped at line breakpoint" stopped \
  49     "body reason" breakpoint \
  50     "body hitBreakpointIds" $line_bpno
  51
  52 set bt [lindex [dap_check_request_and_response "backtrace" stackTrace \
  53                     {o threadId [i 1]}] \
  54             0]
  55 set frame_id [dict get [lindex [dict get $bt body stackFrames] 0] id]
  56
  57 set scopes [dap_check_request_and_response "get scopes" scopes \
  58                 [format {o frameId [i %d]} $frame_id]]
  59 set scopes [dict get [lindex $scopes 0] body scopes]
  60
  61 lassign $scopes scope reg_scope
  62 gdb_assert {[dict get $scope name] == "Locals"} "scope is locals"
  63 gdb_assert {[dict get $scope namedVariables] == 1} "one var in scope"
  64
  65 set num [dict get $scope variablesReference]
  66 set refs [lindex [dap_check_request_and_response "fetch variable" \
  67                       "variables" \
  68                       [format {o variablesReference [i %d] count [i 1]} \
  69                            $num]] \
  70               0]
  71
  72 set vars [dict get $refs body variables]
  73 gdb_assert {[llength $vars] == 1} "just one variable"
  74
  75 set var [lindex $vars 0]
  76 gdb_assert {[dict get $var name] == "the_string"} "variable name"
  77 gdb_assert {[dict get $var value] == "contents"} "variable value"
  78 gdb_assert {[dict get $var namedVariables] == 2} "variable has two children"
  79
  80 set num [dict get $var variablesReference]
  81 set refs [lindex [dap_check_request_and_response "fetch children of variable" \
  82                       "variables" \
  83                       [format {o variablesReference [i %d] count [i 2]} \
  84                            $num]] \
  85               0]
  86
  87 set vars [dict get $refs body variables]
  88 gdb_assert {[llength $vars] == 2} "got two children of variable"
  89
  90 set saw_first 0
  91 set saw_second 0
  92 foreach var [dict get $refs body variables] {
  93     set name [dict get $var name]
  94     switch $name {
  95         "first" {
  96             gdb_assert {[dict get $var value] == 23} "value of first"
  97             incr saw_first
  98         }
  99
 100         "second" {
 101             # The result looks strange here, but only because TON does
 102             # not handle the backslash-quote sequence properly when
 103             # decoding the JSON.  The actual JSON is: "value":
 104             # "\"DEI\"".
 105             gdb_assert {[dict get $var value] == "\\\"DEI\\\""} \
 106                 "value of second"
 107             incr saw_second
 108         }
 109
 110         default {
 111             fail "unknown variable $name"
 112         }
 113     }
 114 }
 115
 116 gdb_assert {$saw_first == 1 && $saw_second == 1} "saw both children"
 117
 118 dap_shutdown