gdb/testsuite/gdb.cp/nextoverthrow.exp

   1 # Copyright 2008-2015 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 { [skip_cplus_tests] } { continue }
  18
  19 standard_testfile .cc
  20
  21 # Create and source the file that provides information about the compiler
  22 # used to compile the test case.
  23 if [get_compiler_info "c++"] {
  24     untested nextoverthrow.exp
  25     return -1
  26 }
  27
  28 if {[prepare_for_testing $testfile.exp $testfile $srcfile {debug c++}]} {
  29     return -1
  30 }
  31
  32 if ![runto_main] then {
  33     perror "couldn't run to main"
  34     continue
  35 }
  36
  37 if {![skip_unwinder_tests]} {
  38     unsupported "nextoverthrow.exp could not find _Unwind_DebugHook"
  39     return -1
  40 }
  41
  42 # Set a temporary breakpoint and then continue to it.
  43 # The breakpoint is set according to a marker in the file.
  44 proc tbreak_and_cont {text} {
  45     global testfile
  46
  47     set line [gdb_get_line_number $text $testfile.cc]
  48     gdb_breakpoint "$testfile.cc:$line" temporary
  49     gdb_test "continue" "Temporary breakpoint.*" "continuing to $text"
  50 }
  51
  52 # Verify the value of testval.
  53 proc verify_testval {name value} {
  54     gdb_test "print testval == $value" " = true" $name
  55 }
  56
  57 # See http://sourceware.org/bugzilla/show_bug.cgi?id=9593
  58 # Our general approach here is to do some operation, verify
  59 # that testval has not changed, continue to the location at
  60 # which the next test starts, and verify testval again.
  61 # This works around platform differences in debuginfo that
  62 # make looking at the source line unreliable.
  63
  64 # A simple test of next over a throw.
  65 tbreak_and_cont "Start: first test"
  66 gdb_test "next" ".*" "next over a throw 1"
  67 tbreak_and_cont "End: first test"
  68 verify_testval "pre-check - next over a throw 1" -1
  69
  70 tbreak_and_cont "Start: nested throw"
  71 verify_testval "post-check - next over a throw 1" 0
  72 gdb_test "next" ".*" "next over a throw 2"
  73 tbreak_and_cont "End: nested throw"
  74 verify_testval "pre-check - next over a throw 2" 0
  75
  76 tbreak_and_cont "Start: step in test"
  77 verify_testval "post-check - next over a throw 2" 1
  78 gdb_test "step" "function1().*" "step into function2 1"
  79 gdb_test "next" ".*" "next over a throw 3"
  80 tbreak_and_cont "End: step in test"
  81 verify_testval "pre-check - next over a throw 3" 1
  82
  83 tbreak_and_cont "Start: next past catch"
  84 verify_testval "post-check - next over a throw 3" 2
  85 gdb_test "next" ".*" "next past catch"
  86 tbreak_and_cont "End: next past catch"
  87 verify_testval "pre-check - next past catch" 2
  88
  89 tbreak_and_cont "Start: rethrow"
  90 verify_testval "post-check - next past catch" 3
  91 gdb_test "next" ".*" "next over a throw 4"
  92 tbreak_and_cont "End: rethrow"
  93 verify_testval "pre-check - next over a throw 4" 3
  94
  95 tbreak_and_cont "Start: first finish"
  96 verify_testval "post-check - next over a throw 4" 4
  97 gdb_test "step" "function1().*" "step into function2 2"
  98 gdb_test "finish" ".*" "finish 1"
  99 tbreak_and_cont "End: first finish"
 100 verify_testval "pre-check - finish 1" 4
 101
 102 tbreak_and_cont "Start: second finish"
 103 verify_testval "post-check - finish 1" 5
 104 gdb_test "step" "function1 ().*" "step into finish method"
 105 gdb_test "finish" ".*" "finish 2"
 106 tbreak_and_cont "End: second finish"
 107 verify_testval "pre-check - finish 2" 5
 108
 109 tbreak_and_cont "Start: first until"
 110 verify_testval "post-check - finish 2" 6
 111 gdb_test "step" ".*" "step into finish, for until"
 112 gdb_test "until" ".*" "until with no argument 1"
 113 set line [gdb_get_line_number "marker for until" $testfile.cc]
 114 gdb_test "until $line" "function1 ().*" "next past catch 6"
 115 gdb_test "until" ".*" "until with no argument 2"
 116 tbreak_and_cont "End: first until"
 117 verify_testval "pre-check - until 1" 6
 118
 119 tbreak_and_cont "Start: second until"
 120 verify_testval "post-check - until 1" 7
 121 set line [gdb_get_line_number "until here" $testfile.cc]
 122 gdb_test "step" "function1 ().*" "step into until"
 123 gdb_test "until $line" ".*" "until-over-throw"
 124 tbreak_and_cont "End: second until"
 125 verify_testval "pre-check - until 2" 7
 126
 127 tbreak_and_cont "Start: advance"
 128 verify_testval "post-check - until 2" 8
 129 gdb_test "step" "function1 ().*" "step into until, for advance"
 130 gdb_test "advance $line" ".*" "advance-over-throw"
 131 tbreak_and_cont "End: advance"
 132 verify_testval "pre-check - advance" 8
 133
 134 tbreak_and_cont "Start: resumebpt"
 135 gdb_test "tbreak _Unwind_RaiseException"
 136 gdb_test "continue" "Temporary breakpoint.*" "continuing to _Unwind_RaiseException"
 137 gdb_test "finish" "Run till exit .*"
 138 gdb_test {set $retpc=$pc}
 139 gdb_test {break *$retpc if dummy ()}
 140 tbreak_and_cont "Second: resumebpt"
 141 gdb_test "next"
 142
 143 tbreak_and_cont "done"
 144 verify_testval "post-check - advance" 10