gdb/testsuite/gdb.objc/basicclass.exp

   1 # Copyright 2003-2019 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 was written by Adam Fedor (fedor@gnu.org)
  17
  18 standard_testfile .m
  19
  20 #
  21 # Objective-C program compilation isn't standard. We need to figure out
  22 # which libraries to link in. Most of the time it uses pthread
  23 #
  24 if {[gdb_compile_objc "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug ]] != "" } {
  25   return -1
  26 }
  27
  28 #
  29 # Deduce language of main()
  30 #
  31
  32 proc deduce_language_of_main {} {
  33     global gdb_prompt
  34
  35     # See what language gdb thinks main() is, prior to reading full symbols.
  36     # I think this fails for COFF targets.
  37     send_gdb "show language\n"
  38     gdb_expect {
  39         -re ".* source language is \"auto; currently objective-c\".*$gdb_prompt $" {
  40             pass "deduced language is Objective-C, before full symbols"
  41         }
  42         -re ".*$gdb_prompt $" {
  43             fail "source language not correct for Objective-C (psymtabs only)"
  44             return
  45         }
  46         timeout {
  47             fail "can't show language (timeout)"
  48             return
  49         }
  50     }
  51
  52     runto_main
  53
  54     # See if our idea of the language has changed.
  55
  56     send_gdb "show language\n"
  57     gdb_expect {
  58         -re ".* source language is \"auto; currently objective-c\".*$gdb_prompt $" {
  59             pass "deduced language is Objective-C, after full symbols"
  60         }
  61         -re ".*$gdb_prompt $" {
  62             fail "source language not correct for Objective-C (full symbols)"
  63             return
  64         }
  65         timeout {
  66             fail "can't show language (timeout)"
  67             return
  68         }
  69     }
  70 }
  71
  72 proc do_objc_tests {} {
  73     global subdir
  74     global srcdir
  75     global binfile
  76     global gdb_prompt
  77
  78
  79     # Start with a fresh gdb.
  80
  81     gdb_exit
  82     gdb_start
  83     gdb_reinitialize_dir $srcdir/$subdir
  84     gdb_load $binfile
  85
  86     deduce_language_of_main
  87 }
  88
  89 do_objc_tests
  90
  91 #
  92 # Breakpoint tests
  93 #
  94
  95 # Disable pending breakpoint query to avoid timeouts
  96 # if Obj-C symbols cannot be found
  97 gdb_test "set breakpoint pending off" "" "set breakpoint pending"
  98
  99 gdb_test "break doIt" \
 100     "Breakpoint.*at.* file .*$srcfile, line.29.*" \
 101     "breakpoint method"
 102
 103 gdb_test "break takeArg:" \
 104     "Breakpoint.*at.* file .*$srcfile, line.34.*" \
 105     "breakpoint method with colon"
 106
 107 gdb_test "break newWithArg:" \
 108     "Breakpoint.*at.* file .*$srcfile, line.22.*" \
 109     "breakpoint class method with colon"
 110
 111 #
 112 # Continue until breakpoint (test re-setting breakpoint)
 113 #
 114 gdb_test continue \
 115     "Continuing\\..*Breakpoint \[0-9\]+, -.BasicClass takeArg:. \\(self=.*, _cmd=.*, arg=.*\\) at .*$srcfile:34.*" \
 116     "continue until method breakpoint"
 117
 118 #
 119 # Test resetting breakpoints when re-running program
 120 #
 121 gdb_run_cmd
 122 gdb_test "" "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:.*" "resetting breakpoints when rerunning"
 123
 124 #
 125 # Continue until breakpoint (test re-setting breakpoint)
 126 #
 127 gdb_test continue \
 128     "Continuing\\..*Breakpoint \[0-9\]+, -.BasicClass takeArg:. \\(self=.*, _cmd=.*, arg=.*\\) at .*$srcfile:34.*" \
 129     "continue until method breakpoint"
 130
 131 #
 132 # Test printing objects
 133 #
 134 gdb_test "print object" \
 135     "\\$\[0-9\] = .*0x0" \
 136     " print an ivar of self"
 137
 138 gdb_test "print self" \
 139     "\\$\[0-9\] = \\(.*BasicClass \\*\\) 0x\[0-9a-f\]+" \
 140     " print self"
 141
 142 gdb_test "print \*self" \
 143     "\\$\[0-9\] = \{{?isa = 0x\[0-9a-f\]+( <.*>)?}?, object = 0x0\}" \
 144     " print contents of self"
 145
 146 #
 147 # Break in a category
 148 #
 149 gdb_test "break hiddenMethod" \
 150     "Breakpoint.*at.* file .*$srcfile, line.61." \
 151     "breakpoint in category method"
 152
 153
 154 #
 155 # Continue until breakpoint (test re-setting category breakpoint)
 156 #
 157 gdb_test continue \
 158     "Continuing\\..*Breakpoint \[0-9\]+, -.BasicClass\\(Private\\) hiddenMethod. \\(self=.*, _cmd=.*\\) at .*$srcfile:61.*" \
 159      "continue until category method"
 160
 161 #
 162 # Test calling Objective-C methods
 163 #
 164 gdb_test "print \[self printHi\]" \
 165     "Hi.*\\$\[0-9\] = \\(.*objc_object \\*\\) 0x\[0-9a-f\]+" \
 166     "call an Objective-C method with no arguments"
 167
 168 gdb_test "print \[self printNumber: 42\]" \
 169     "42.*\\$\[0-9\] = 43" \
 170     "call an Objective-C method with one argument"
 171
 172 #
 173 # Test printing the object description
 174 #
 175 gdb_test "print-object object" \
 176     "BasicClass gdb test object" \
 177     "use of the print-object command"
 178
 179 gdb_test "po self" \
 180     "BasicClass gdb test object" \
 181     "use of the po (print-object) command"
 182
 183