1 # Copyright 2008-2023 Free Software Foundation, Inc.
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.
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.
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/>.
17 if { [skip_cplus_tests] } { return }
21 if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug c++}]} {
29 if {![skip_unwinder_tests]} {
30 unsupported "nextoverthrow.exp could not find _Unwind_DebugHook"
34 # Set a temporary breakpoint and then continue to it.
35 # The breakpoint is set according to a marker in the file.
36 proc tbreak_and_cont {text} {
39 set line [gdb_get_line_number $text $testfile.cc]
40 gdb_breakpoint "$testfile.cc:$line" temporary
41 gdb_test "continue" "Temporary breakpoint.*" "continuing to $text"
44 # Verify the value of testval.
45 proc verify_testval {name value} {
46 gdb_test "print testval == $value" " = true" $name
49 # See http://sourceware.org/bugzilla/show_bug.cgi?id=9593
50 # Our general approach here is to do some operation, verify
51 # that testval has not changed, continue to the location at
52 # which the next test starts, and verify testval again.
53 # This works around platform differences in debuginfo that
54 # make looking at the source line unreliable.
56 # A simple test of next over a throw.
57 tbreak_and_cont "Start: first test"
58 gdb_test "next" ".*" "next over a throw 1"
59 tbreak_and_cont "End: first test"
60 verify_testval "pre-check - next over a throw 1" -1
62 tbreak_and_cont "Start: nested throw"
63 verify_testval "post-check - next over a throw 1" 0
64 gdb_test "next" ".*" "next over a throw 2"
65 tbreak_and_cont "End: nested throw"
66 verify_testval "pre-check - next over a throw 2" 0
68 tbreak_and_cont "Start: step in test"
69 verify_testval "post-check - next over a throw 2" 1
70 gdb_test "step" "function1().*" "step into function2 1"
71 gdb_test "next" ".*" "next over a throw 3"
72 tbreak_and_cont "End: step in test"
73 verify_testval "pre-check - next over a throw 3" 1
75 tbreak_and_cont "Start: next past catch"
76 verify_testval "post-check - next over a throw 3" 2
77 gdb_test "next" ".*" "next past catch"
78 tbreak_and_cont "End: next past catch"
79 verify_testval "pre-check - next past catch" 2
81 tbreak_and_cont "Start: rethrow"
82 verify_testval "post-check - next past catch" 3
83 gdb_test "next" ".*" "next over a throw 4"
84 tbreak_and_cont "End: rethrow"
85 verify_testval "pre-check - next over a throw 4" 3
87 tbreak_and_cont "Start: first finish"
88 verify_testval "post-check - next over a throw 4" 4
89 gdb_test "step" "function1().*" "step into function2 2"
90 gdb_test "finish" ".*" "finish 1"
91 tbreak_and_cont "End: first finish"
92 verify_testval "pre-check - finish 1" 4
94 tbreak_and_cont "Start: second finish"
95 verify_testval "post-check - finish 1" 5
96 gdb_test "step" "function1 ().*" "step into finish method"
97 gdb_test "finish" ".*" "finish 2"
98 tbreak_and_cont "End: second finish"
99 verify_testval "pre-check - finish 2" 5
101 tbreak_and_cont "Start: first until"
102 verify_testval "post-check - finish 2" 6
103 gdb_test "step" ".*" "step into finish, for until"
104 gdb_test "until" ".*" "until with no argument 1"
105 set line [gdb_get_line_number "marker for until" $testfile.cc]
106 gdb_test "until $line" "function1 ().*" "next past catch 6"
107 gdb_test "until" ".*" "until with no argument 2"
108 tbreak_and_cont "End: first until"
109 verify_testval "pre-check - until 1" 6
111 tbreak_and_cont "Start: second until"
112 verify_testval "post-check - until 1" 7
113 set line [gdb_get_line_number "until here" $testfile.cc]
114 gdb_test "step" "function1 ().*" "step into until"
115 gdb_test "until $line" ".*" "until-over-throw"
116 tbreak_and_cont "End: second until"
117 verify_testval "pre-check - until 2" 7
119 tbreak_and_cont "Start: advance"
120 verify_testval "post-check - until 2" 8
121 gdb_test "step" "function1 ().*" "step into until, for advance"
122 gdb_test "advance $line" ".*" "advance-over-throw"
123 tbreak_and_cont "End: advance"
124 verify_testval "pre-check - advance" 8
126 tbreak_and_cont "Start: resumebpt"
127 gdb_test "tbreak _Unwind_RaiseException"
128 gdb_test "continue" "Temporary breakpoint.*" "continuing to _Unwind_RaiseException"
129 gdb_test "finish" "Run till exit .*"
130 gdb_test {set $retpc=$pc}
131 gdb_test {break *$retpc if dummy ()}
132 tbreak_and_cont "Second: resumebpt"
135 tbreak_and_cont "done"
136 verify_testval "post-check - advance" 10