gnu/dist/gdb6/gdb/testsuite/gdb.cp/method.exp

   1 # Copyright 1998, 1999, 2001, 2002, 2003, 2004 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 2 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, write to the Free Software
  15 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  16
  17 # tests for misc. C++ method stuff
  18 # Written by Satish Pai <pai@apollo.hp.com> 1997-07-08
  19
  20 # This file is part of the gdb testsuite
  21
  22 # This tests:
  23 # 0. method arguments are correct
  24 # 1. access to class data members inside method scopes
  25 # 2. correct param types for methods in ptype.
  26 # 3. const and volatile methods
  27
  28 # (#0 and #1 above relate to an HP specific problem -- GDB must correctly
  29 # integrate FPARAM symbols in HP debug info into the local var list
  30 # for the function or method's block.)
  31
  32 if $tracelevel then {
  33         strace $tracelevel
  34         }
  35
  36 #
  37 # test running programs
  38 #
  39 set prms_id 0
  40 set bug_id 0
  41
  42 if { [skip_cplus_tests] } { continue }
  43
  44 set testfile "method"
  45 set srcfile ${testfile}.cc
  46 set binfile ${objdir}/${subdir}/${testfile}
  47
  48 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug c++}] != "" } {
  49      gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
  50 }
  51
  52 if [get_compiler_info $binfile "c++"] {
  53   return -1
  54 }
  55
  56 gdb_exit
  57 gdb_start
  58 gdb_reinitialize_dir $srcdir/$subdir
  59 gdb_load ${binfile}
  60
  61
  62 #
  63 # set it up at a breakpoint so we can play with the variable values
  64 #
  65 if ![runto_main] then {
  66     perror "couldn't run to breakpoint"
  67     continue
  68 }
  69
  70 gdb_test "break A::foo" \
  71   "Breakpoint \[0-9\]* at $hex.*file .*method.cc, line 38\\."
  72
  73 gdb_test "continue" \
  74   "Continuing\\.\r\n\r\nBreakpoint \[0-9\]*, A::foo(\\(int\\)|) \\(this=$hex, arg=13\\) at .*method\\.cc:38\r\n38\[\t \]*x \\+= arg;" \
  75   "continue to A::foo"
  76
  77 # Check ability to access this-relative stuff.
  78
  79 gdb_test "print x" \
  80    "\\$\[0-9\]* = 20" \
  81    "print x in A::foo"
  82
  83 # Check access to this pointer
  84
  85 gdb_test "print this" \
  86    "\\$\[0-9\]* = \\((class |)A *\\* *(const|)\\) $hex" \
  87    "print this in A::foo"
  88
  89 # Now do everything over again for A::bar, because sometimes processing one method
  90 # (the first one) is fine, but the second one's debug info gets munged beyond recognition.
  91
  92 gdb_test "break A::bar" \
  93   "Breakpoint \[0-9\]* at $hex.*file .*method.cc, line 44\\."
  94
  95 gdb_test "continue" \
  96   "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;" \
  97   "continue to A::bar"
  98
  99 # Check ability to access this-relative stuff.
 100
 101 gdb_test "print x" \
 102   "\\$\[0-9\]* = 33" \
 103   "print x in A::bar"
 104
 105 # Check access to this pointer
 106
 107 get_debug_format
 108
 109 send_gdb "print this\n"
 110 gdb_expect {
 111   -re "\\$\[0-9\]* = \\(const (class |)A *\\* *(const|)\\) $hex\r\n$gdb_prompt $" {
 112     pass "print this in A::bar"
 113   }
 114   -re "\\$\[0-9\]* = \\((class |)A *\\* *(const|)\\) $hex\r\n$gdb_prompt $" {
 115     # gcc versions up to 3.0.4 with -gstabs+ do not emit "const" indicators,
 116     # so the output is "A *".  It should be "const A *" or "const A * const".
 117     setup_xfail_format "stabs"
 118     fail "print this in A::bar (missing const)"
 119   }
 120   -re "\\$\[0-9\]* = \\(const (class |)\{\\.\\.\\.\} *\\* *(const|)\\) $hex\r\n$gdb_prompt $" {
 121     # gcc versions gcc-3_1-branch%20020404 and HEAD%20020404 with -gstabs+
 122     # produce good stabs, but gdb prints "const class {...} *" const.
 123     # This is PR gdb/277.
 124     # setup_kfail "gdb/277"
 125     fail "print this in A::bar (gdb/277)"
 126   }
 127   -re ".*$gdb_prompt $" { fail "print this in A::bar" }
 128   timeout { fail "(timeout) print this in A::bar" }
 129 }
 130
 131 # Check again with funk::getFunky (this is the original test case
 132 # for CHFts23426); sometimes having a constructor with no arguments
 133 # will nuke the debug info read in for other methods in the class.
 134
 135 gdb_test "break 21" \
 136   "Breakpoint \[0-9\]* at $hex.*file .*method.cc, line 21\\."
 137
 138 gdb_test "continue" \
 139   "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;" \
 140   "continue to 21"
 141
 142 # Check ability to access this-relative stuff.
 143
 144 gdb_test "print data_" \
 145   "\\$\[0-9\]* = 33" \
 146   "print data_ in funk::getFunky"
 147
 148 # Check access to this pointer
 149
 150 gdb_test "print this" \
 151   "\\$\[0-9\]* = \\((class |)funk *\\* *(const|)\\) $hex" \
 152   "print this in funk::getFunky"
 153
 154 # Check access to local variable
 155
 156 gdb_test "print res" \
 157   "\\$\[0-9\]* = -30" \
 158    "print res in funk::getFunky"
 159
 160 # Check ptype of class -- should show const/volatile methods
 161
 162 send_gdb "ptype A\n"
 163 gdb_expect {
 164    -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 $" {
 165       pass "ptype A"
 166    }
 167    -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 $" {
 168       pass "ptype A"
 169    }
 170    -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 $" {
 171       pass "ptype A"
 172    }
 173    -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 $" {
 174       pass "ptype A (HP aCC bug -- volatile not indicated)"
 175    }
 176    -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 $" {
 177       pass "ptype A"
 178    }
 179    -re ".*$gdb_prompt $" { fail "ptype A" }
 180    timeout { fail "(timeout) ptype A" }
 181 }
 182
 183 send_gdb "cont\n"
 184 gdb_expect {
 185     -re "Continuing.\r\n\r\nProgram exited normally.*$gdb_prompt $" {
 186         pass "finish program"
 187     }
 188     -re "Continuing.* EXIT code 0.*Program exited normally.*$gdb_prompt $" {
 189         pass "finish program (exit wrapper)"
 190     }
 191     -re ".*$gdb_prompt $" { fail "finish program" }
 192     default:{               fail "finish program (timeout)" }
 193 }
 194