1# Copyright 1992-2024 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# This file was written by Fred Fish. (fnf@cygnus.com)
17
18require allow_cplus_tests
19
20standard_testfile .cc
21
22if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug c++}]} {
23    return -1
24}
25
26#
27# Deduce language of main()
28#
29
30proc deduce_language_of_main {} {
31    global gdb_prompt
32
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"
38
39    runto_main
40
41    # See if our idea of the language has changed.
42
43    gdb_test "show language" \
44	"source language is \"auto; currently c\[+\]+\".*" \
45	"deduced language is C++, after full symbols"
46}
47
48proc test_expr { args } {
49    if { [llength $args] % 2 } {
50	warning "an even # of arguments should be passed to test_expr"
51    }
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)"
55
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 $x])"
58    }
59}
60
61proc do_tests {} {
62    deduce_language_of_main
63    # Check for fixes for PRs 8916 and 8630
64    gdb_test "print s.a" ".* = 0" "print s.a for foo struct (known gcc 2.7.2 and earlier bug)"
65}
66
67do_tests
68
69test_expr "set language c++" \
70    "print 1 == 1" "print.*\\$\[0-9\]* = true" \
71    "print 1 == 2" "print.*\\$\[0-9\]* = false" \
72    "print as bool"
73
74# Test bool type printing, etc.
75# Note: Language is already set to C++ above!
76gdb_test "print v_bool" "\\$\[0-9\]* = false" "print a bool var"
77
78# set a bool variable
79test_expr "set variable v_bool = true" \
80    "print v_bool" "\\$\[0-9\]* = true" \
81    "set a bool var"
82
83# next print an array of bool
84gdb_test "print v_bool_array" "\\$\[0-9\]* = \\{false, false\\}" "print a bool array"
85
86# set elements of a bool array
87test_expr "set variable v_bool_array\[1\] = true" \
88    "print v_bool_array" "\\$\[0-9\]* = \\{false, true\\}" \
89    "set a bool array elem"
90
91# bool constants
92gdb_test "print true" "\\$\[0-9\]* = true"
93gdb_test "print false" "\\$\[0-9\]* = false"
94
95# arithmetic conversions
96gdb_test "print 1 + true" "\\$\[0-9\]* = 2" "1 + true"
97gdb_test "print 3 + false" "\\$\[0-9\]* = 3" "3 + false"
98gdb_test "print 1 < 2 < 3" "\\$\[0-9\]* = true" "1 < 2 < 3"
99gdb_test "print 2 < 1 > 4" "\\$\[0-9\]* = false" "2 < 1 > 4"
100gdb_test "print (bool)43" "\\$\[0-9\]* = true" "(bool)43"
101gdb_test "print (bool)0" "\\$\[0-9\]* = false" "(bool)0"
102gdb_test "print (bool)17.93" "\\$\[0-9\]* = true" "(bool)17.93"
103gdb_test "print (bool)0.0" "\\$\[0-9\]* = false" "(bool)0.0"
104gdb_test "print (int)true" "\\$\[0-9\]* = 1" "(int)true"
105gdb_test "print (int)false" "\\$\[0-9\]* = 0" "(int)false"
106
107gdb_test "print 'misc.cc'::v_bool" " = true" \
108    "expression using block qualifier"
109
110# pointer arithmetic
111gdb_test "print *(v_bool_array + number_ref)" "\\$\[0-9\]* = false" \
112    "pointer addition with integer reference"
113gdb_test "print *(number_ref + v_bool_array)" "\\$\[0-9\]* = false" \
114    "integer reference addition with pointer"
115gdb_test "print *(v_bool_array - number_ref)" "\\$\[0-9\]* = false" \
116    "pointer subtraction with integer reference"
117
118# C++14 digit separator.
119gdb_test "print 23'23" " = 2323"
120gdb_test "print 2'3.5" " = 23.5"
121