gdb/testsuite/gdb.cp/method.exp

   1 # Copyright 1998, 1999, 2001, 2002, 2003, 2004, 2007
   2 # Free Software Foundation, Inc.
   3
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 2 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program; if not, write to the Free Software
  16 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17
  18 # tests for misc. C++ method stuff
  19 # Written by Satish Pai <pai@apollo.hp.com> 1997-07-08
  20
  21 # This file is part of the gdb testsuite
  22
  23 # This tests:
  24 # 0. method arguments are correct
  25 # 1. access to class data members inside method scopes
  26 # 2. correct param types for methods in ptype.
  27 # 3. const and volatile methods
  28
  29 # (#0 and #1 above relate to an HP specific problem -- GDB must correctly
  30 # integrate FPARAM symbols in HP debug info into the local var list
  31 # for the function or method's block.)
  32
  33 if $tracelevel then {
  34         strace $tracelevel
  35         }
  36
  37 #
  38 # test running programs
  39 #
  40 set prms_id 0
  41 set bug_id 0
  42
  43 if { [skip_cplus_tests] } { continue }
  44
  45 set testfile "method"
  46 set srcfile ${testfile}.cc
  47 set binfile ${objdir}/${subdir}/${testfile}
  48
  49 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug c++}] != "" } {
  50      untested method.exp
  51      return -1
  52 }
  53
  54 if [get_compiler_info $binfile "c++"] {
  55   return -1
  56 }
  57
  58 gdb_exit
  59 gdb_start
  60 gdb_reinitialize_dir $srcdir/$subdir
  61 gdb_load ${binfile}
  62
  63
  64 #
  65 # set it up at a breakpoint so we can play with the variable values
  66 #
  67 if ![runto_main] then {
  68     perror "couldn't run to breakpoint"
  69     continue
  70 }
  71
  72 gdb_test "break A::foo" \
  73   "Breakpoint \[0-9\]* at $hex.*file .*method.cc, line 38\\."
  74
  75 gdb_test "continue" \
  76   "Continuing\\.\r\n\r\nBreakpoint \[0-9\]*, A::foo(\\(int\\)|) \\(this=$hex, arg=13\\) at .*method\\.cc:38\r\n38\[\t \]*x \\+= arg;" \
  77   "continue to A::foo"
  78
  79 # Check ability to access this-relative stuff.
  80
  81 gdb_test "print x" \
  82    "\\$\[0-9\]* = 20" \
  83    "print x in A::foo"
  84
  85 # Check access to this pointer
  86
  87 gdb_test "print this" \
  88    "\\$\[0-9\]* = \\((class |)A *\\* *(const|)\\) $hex" \
  89    "print this in A::foo"
  90
  91 # Now do everything over again for A::bar, because sometimes processing one method
  92 # (the first one) is fine, but the second one's debug info gets munged beyond recognition.
  93
  94 gdb_test "break A::bar" \
  95   "Breakpoint \[0-9\]* at $hex.*file .*method.cc, line 44\\."
  96
  97 gdb_test "continue" \
  98   "Continuing\\.\r\n\r\nBreakpoint \[0-9\]*, A::bar(|\\(int\\) const| const) \\(this=$hex, arg=15\\) at .*method\\.cc:44\r\n44\[\t \]*return arg \\+ 2 \\* x;" \
  99   "continue to A::bar"
 100
 101 # Check ability to access this-relative stuff.
 102
 103 gdb_test "print x" \
 104   "\\$\[0-9\]* = 33" \
 105   "print x in A::bar"
 106
 107 # Check access to this pointer
 108
 109 get_debug_format
 110
 111 send_gdb "print this\n"
 112 gdb_expect {
 113   -re "\\$\[0-9\]* = \\(const (class |)A *\\* *(const|)\\) $hex\r\n$gdb_prompt $" {
 114     pass "print this in A::bar"
 115   }
 116   -re "\\$\[0-9\]* = \\((class |)A *\\* *(const|)\\) $hex\r\n$gdb_prompt $" {
 117     # gcc versions up to 3.0.4 with -gstabs+ do not emit "const" indicators,
 118     # so the output is "A *".  It should be "const A *" or "const A * const".
 119     setup_xfail_format "stabs"
 120     fail "print this in A::bar (missing const)"
 121   }
 122   -re "\\$\[0-9\]* = \\(const (class |)\{\\.\\.\\.\} *\\* *(const|)\\) $hex\r\n$gdb_prompt $" {
 123     # gcc versions gcc-3_1-branch%20020404 and HEAD%20020404 with -gstabs+
 124     # produce good stabs, but gdb prints "const class {...} *" const.
 125     # This is PR gdb/277.
 126     # setup_kfail "gdb/277"
 127     fail "print this in A::bar (gdb/277)"
 128   }
 129   -re ".*$gdb_prompt $" { fail "print this in A::bar" }
 130   timeout { fail "(timeout) print this in A::bar" }
 131 }
 132
 133 # Check again with funk::getFunky (this is the original test case
 134 # for CHFts23426); sometimes having a constructor with no arguments
 135 # will nuke the debug info read in for other methods in the class.
 136
 137 gdb_test "break 21" \
 138   "Breakpoint \[0-9\]* at $hex.*file .*method.cc, line 21\\."
 139
 140 gdb_test "continue" \
 141   "Continuing\\.\r\n\r\nBreakpoint \[0-9\]*, funk::getFunky(\\(int, int\\)|) \\(this=$hex, a=1, b=2\\) at .*method\\.cc:21\r\n21\[\t \]*data_ = res;" \
 142   "continue to 21"
 143
 144 # Check ability to access this-relative stuff.
 145
 146 gdb_test "print data_" \
 147   "\\$\[0-9\]* = 33" \
 148   "print data_ in funk::getFunky"
 149
 150 # Check access to this pointer
 151
 152 gdb_test "print this" \
 153   "\\$\[0-9\]* = \\((class |)funk *\\* *(const|)\\) $hex" \
 154   "print this in funk::getFunky"
 155
 156 # Check access to local variable
 157
 158 gdb_test "print res" \
 159   "\\$\[0-9\]* = -30" \
 160    "print res in funk::getFunky"
 161
 162 # Check ptype of class -- should show const/volatile methods
 163
 164 send_gdb "ptype A\n"
 165 gdb_expect {
 166    -re "type = class A \{\r\n\[ \]*public:\r\n\[ \]*int x;\r\n\[ \]*int y;\r\n\r\n\[ \]*int foo\\(int\\);\r\n\[ \]*int bar\\(int\\) const;\r\n\[ \]*int baz\\(int, char\\) volatile;\r\n\[ \]*int qux\\(int, float\\) (const volatile|volatile const);\r\n\}\r\n$gdb_prompt $" {
 167       pass "ptype A"
 168    }
 169    -re "type = class A \{\r\n\[ \]*public:\r\n\[ \]*int x;\r\n\[ \]*int y;\r\n\r\n\[ \]*A & operator=\\(A const ?&\\);\r\n\[ \]*A\\(A const ?&\\);\r\n\[ \]*A\\((void|)\\);\r\n\[ \]*int foo\\(int\\);\r\n\[ \]*int bar\\(int\\) const;\r\n\[ \]*int baz\\(int, char\\) volatile;\r\n\[ \]*int qux\\(int, float\\) (const volatile|volatile const);\r\n\}\r\n$gdb_prompt $" {
 170       pass "ptype A"
 171    }
 172    -re "type = class A \{\r\n\[ \]*public:\r\n\[ \]*int x;\r\n\[ \]*int y;\r\n\r\n\[ \]*int foo\\(int\\);\r\n\[ \]*int bar\\(int\\) const;\r\n\[ \]*int baz\\(int, char\\) volatile;\r\n\[ \]*int qux\\(int, float\\) (const volatile|volatile const);\r\n\[ \]*A & operator=\\(A const ?&\\);\r\n\[ \]*A\\(A const ?&\\);\r\n\[ \]*A\\((void|)\\);\r\n\}\r\n$gdb_prompt $" {
 173       pass "ptype A"
 174    }
 175    -re "type = class A \{\r\n\[ \]*public:\r\n\[ \]*int x;\r\n\[ \]*int y;\r\n\r\n\[ \]*int foo\\(int\\);\r\n\[ \]*int bar\\(int\\) const;\r\n\[ \]*int baz\\(int, char\\);\r\n\[ \]*int qux\\(int, float\\) const;\r\n\}\r\n$gdb_prompt $" {
 176       pass "ptype A (HP aCC bug -- volatile not indicated)"
 177    }
 178    -re "type = class A \{\r\n\[ \]*public:\r\n\[ \]*int x;\r\n\[ \]*int y;\r\n\r\n\[ \]*int foo\\(int\\);\r\n\[ \]*int bar\\(int\\) const;\r\n\[ \]*int baz\\(int, char\\) volatile;\r\n\[ \]*int qux\\(int, float\\) const volatile;\r\n\}\r\n$gdb_prompt $" {
 179       pass "ptype A"
 180    }
 181    -re ".*$gdb_prompt $" { fail "ptype A" }
 182    timeout { fail "(timeout) ptype A" }
 183 }
 184
 185 send_gdb "cont\n"
 186 gdb_expect {
 187     -re "Continuing.\r\n\r\nProgram exited normally.*$gdb_prompt $" {
 188         pass "finish program"
 189     }
 190     -re "Continuing.* EXIT code 0.*Program exited normally.*$gdb_prompt $" {
 191         pass "finish program (exit wrapper)"
 192     }
 193     -re ".*$gdb_prompt $" { fail "finish program" }
 194     default:{               fail "finish program (timeout)" }
 195 }
 196