1 # Copyright 1992-2023 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/>.
16 # This file was written by Fred Fish. (fnf@cygnus.com)
18 if { [skip_cplus_tests] } { continue }
22 if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug c++}]} {
27 # Deduce language of main()
30 proc deduce_language_of_main {} {
33 # See what language gdb thinks main() is, prior to reading full symbols.
34 # I think this fails for COFF targets.
35 gdb_test "show language" \
36 "source language is \"auto; currently c\[+\]+\".*" \
37 "deduced language is C++, before full symbols"
41 # See if our idea of the language has changed.
43 gdb_test "show language" \
44 "source language is \"auto; currently c\[+\]+\".*" \
45 "deduced language is C++, after full symbols"
48 proc test_expr { args } {
49 if { [llength $args] % 2 } {
50 warning "an even # of arguments should be passed to test_expr"
52 set last_ent [expr [llength $args] - 1]
53 set testname [lindex $args $last_ent]
54 gdb_test_no_output [lindex $args 0] "$testname (setup)"
56 for {set x 1} {$x < $last_ent} {set x [expr $x + 2]} {
57 gdb_test [lindex $args $x] [lindex $args [expr $x + 1]] "$testname ([lindex $args $x])"
62 deduce_language_of_main
63 # Check for fixes for PRs 8916 and 8630
64 gdb_test "print s.a" ".* = 0" "print s.a for foo struct (known gcc 2.7.2 and earlier bug)"
69 test_expr "set language c++" \
70 "print 1 == 1" "print.*\\$\[0-9\]* = true" \
71 "print 1 == 2" "print.*\\$\[0-9\]* = false" \
74 # Test bool type printing, etc.
75 # Note: Language is already set to C++ above!
76 gdb_test "print v_bool" "\\$\[0-9\]* = false" "print a bool var"
79 test_expr "set variable v_bool = true" \
80 "print v_bool" "\\$\[0-9\]* = true" \
83 # next print an array of bool
84 gdb_test "print v_bool_array" "\\$\[0-9\]* = \\{false, false\\}" "print a bool array"
86 # set elements of a bool array
87 test_expr "set variable v_bool_array\[1\] = true" \
88 "print v_bool_array" "\\$\[0-9\]* = \\{false, true\\}" \
89 "set a bool array elem"
92 gdb_test "print true" "\\$\[0-9\]* = true"
93 gdb_test "print false" "\\$\[0-9\]* = false"
95 # arithmetic conversions
96 gdb_test "print 1 + true" "\\$\[0-9\]* = 2" "1 + true"
97 gdb_test "print 3 + false" "\\$\[0-9\]* = 3" "3 + false"
98 gdb_test "print 1 < 2 < 3" "\\$\[0-9\]* = true" "1 < 2 < 3"
99 gdb_test "print 2 < 1 > 4" "\\$\[0-9\]* = false" "2 < 1 > 4"
100 gdb_test "print (bool)43" "\\$\[0-9\]* = true" "(bool)43"
101 gdb_test "print (bool)0" "\\$\[0-9\]* = false" "(bool)0"
102 gdb_test "print (bool)17.93" "\\$\[0-9\]* = true" "(bool)17.93"
103 gdb_test "print (bool)0.0" "\\$\[0-9\]* = false" "(bool)0.0"
104 gdb_test "print (int)true" "\\$\[0-9\]* = 1" "(int)true"
105 gdb_test "print (int)false" "\\$\[0-9\]* = 0" "(int)false"
107 gdb_test "print 'misc.cc'::v_bool" " = true" \
108 "expression using block qualifier"
111 gdb_test "print *(v_bool_array + number_ref)" "\\$\[0-9\]* = false" \
112 "pointer addition with integer reference"
113 gdb_test "print *(number_ref + v_bool_array)" "\\$\[0-9\]* = false" \
114 "integer reference addition with pointer"
115 gdb_test "print *(v_bool_array - number_ref)" "\\$\[0-9\]* = false" \
116 "pointer subtraction with integer reference"