gdb/testsuite/gdb.cp/nextoverthrow.exp

   1 # Copyright 2008, 2009, 2010 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
  17 if $tracelevel then {
  18     strace $tracelevel
  19 }
  20
  21 if { [skip_cplus_tests] } { continue }
  22
  23 set testfile "nextoverthrow"
  24 set srcfile ${testfile}.cc
  25 set binfile $objdir/$subdir/$testfile
  26
  27 # Create and source the file that provides information about the compiler
  28 # used to compile the test case.
  29 if [get_compiler_info ${binfile} "c++"] {
  30     untested nextoverthrow.exp
  31     return -1
  32 }
  33
  34 if {[prepare_for_testing $testfile.exp $testfile $srcfile {debug c++}]} {
  35     return -1
  36 }
  37
  38 if ![runto_main] then {
  39     perror "couldn't run to main"
  40     continue
  41 }
  42
  43 # See whether we have the needed unwinder hooks.
  44 set ok 1
  45 gdb_test_multiple "print _Unwind_DebugHook" "check for unwinder hook" {
  46     -re "= .*_Unwind_DebugHook.*\r\n$gdb_prompt $" {
  47         pass "check for unwinder hook"
  48     }
  49     -re "No symbol .* in current context.\r\n$gdb_prompt $" {
  50         # Pass the test so we don't get bogus fails in the results.
  51         pass "check for unwinder hook"
  52         set ok 0
  53     }
  54 }
  55 if {!$ok} {
  56     unsupported "nextoverthrow.exp could not find _Unwind_DebugHook"
  57     return -1
  58 }
  59
  60 # Set a temporary breakpoint and then continue to it.
  61 # The breakpoint is set according to a marker in the file.
  62 proc tbreak_and_cont {text} {
  63     global testfile
  64
  65     set line [gdb_get_line_number $text $testfile.cc]
  66     gdb_breakpoint "$testfile.cc:$line" temporary
  67     gdb_test "continue" "Temporary breakpoint.*" "continuing to $text"
  68 }
  69
  70 # Verify the value of testval.
  71 proc verify_testval {name value} {
  72     gdb_test "print testval == $value" " = true" $name
  73 }
  74
  75 # See http://sourceware.org/bugzilla/show_bug.cgi?id=9593
  76 # Our general approach here is to do some operation, verify
  77 # that testval has not changed, continue to the location at
  78 # which the next test starts, and verify testval again.
  79 # This works around platform differences in debuginfo that
  80 # make looking at the source line unreliable.
  81
  82 # A simple test of next over a throw.
  83 tbreak_and_cont "Start: first test"
  84 gdb_test "next" ".*" "next over a throw 1"
  85 tbreak_and_cont "End: first test"
  86 verify_testval "pre-check - next over a throw 1" -1
  87
  88 tbreak_and_cont "Start: nested throw"
  89 verify_testval "post-check - next over a throw 1" 0
  90 gdb_test "next" ".*" "next over a throw 2"
  91 tbreak_and_cont "End: nested throw"
  92 verify_testval "pre-check - next over a throw 2" 0
  93
  94 tbreak_and_cont "Start: step in test"
  95 verify_testval "post-check - next over a throw 2" 1
  96 gdb_test "step" "function1().*" "step into function2 1"
  97 gdb_test "next" ".*" "next over a throw 3"
  98 tbreak_and_cont "End: step in test"
  99 verify_testval "pre-check - next over a throw 3" 1
 100
 101 tbreak_and_cont "Start: next past catch"
 102 verify_testval "post-check - next over a throw 3" 2
 103 gdb_test "next" ".*" "next past catch"
 104 tbreak_and_cont "End: next past catch"
 105 verify_testval "pre-check - next past catch" 2
 106
 107 tbreak_and_cont "Start: rethrow"
 108 verify_testval "post-check - next past catch" 3
 109 gdb_test "next" ".*" "next over a throw 4"
 110 tbreak_and_cont "End: rethrow"
 111 verify_testval "pre-check - next over a throw 4" 3
 112
 113 tbreak_and_cont "Start: first finish"
 114 verify_testval "post-check - next over a throw 4" 4
 115 gdb_test "step" "function1().*" "step into function2 2"
 116 gdb_test "finish" ".*" "finish 1"
 117 tbreak_and_cont "End: first finish"
 118 verify_testval "pre-check - finish 1" 4
 119
 120 tbreak_and_cont "Start: second finish"
 121 verify_testval "post-check - finish 1" 5
 122 gdb_test "step" "function1 ().*" "step into finish method"
 123 gdb_test "finish" ".*" "finish 2"
 124 tbreak_and_cont "End: second finish"
 125 verify_testval "pre-check - finish 2" 5
 126
 127 tbreak_and_cont "Start: first until"
 128 verify_testval "post-check - finish 2" 6
 129 gdb_test "step" ".*" "step into finish, for until"
 130 gdb_test "until" ".*" "until with no argument 1"
 131 set line [gdb_get_line_number "marker for until" $testfile.cc]
 132 gdb_test "until $line" "function1 ().*" "next past catch 6"
 133 gdb_test "until" ".*" "until with no argument 2"
 134 tbreak_and_cont "End: first until"
 135 verify_testval "pre-check - until 1" 6
 136
 137 tbreak_and_cont "Start: second until"
 138 verify_testval "post-check - until 1" 7
 139 set line [gdb_get_line_number "until here" $testfile.cc]
 140 gdb_test "step" "function1 ().*" "step into until"
 141 gdb_test "until $line" ".*" "until-over-throw"
 142 tbreak_and_cont "End: second until"
 143 verify_testval "pre-check - until 2" 7
 144
 145 tbreak_and_cont "Start: advance"
 146 verify_testval "post-check - until 2" 8
 147 gdb_test "step" "function1 ().*" "step into until, for advance"
 148 gdb_test "advance $line" ".*" "advance-over-throw"
 149 tbreak_and_cont "End: advance"
 150 verify_testval "pre-check - advance" 8
 151
 152 tbreak_and_cont "done"
 153 verify_testval "post-check - advance" 9