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# Copyright 1992-2023 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# This file was written by Fred Fish. (fnf@cygnus.com)
require allow_cplus_tests
standard_testfile .cc
if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug c++}]} {
return -1
}
#
# Deduce language of main()
#
proc deduce_language_of_main {} {
global gdb_prompt
# See what language gdb thinks main() is, prior to reading full symbols.
# I think this fails for COFF targets.
gdb_test "show language" \
"source language is \"auto; currently c\[+\]+\".*" \
"deduced language is C++, before full symbols"
runto_main
# See if our idea of the language has changed.
gdb_test "show language" \
"source language is \"auto; currently c\[+\]+\".*" \
"deduced language is C++, after full symbols"
}
proc test_expr { args } {
if { [llength $args] % 2 } {
warning "an even # of arguments should be passed to test_expr"
}
set last_ent [expr [llength $args] - 1]
set testname [lindex $args $last_ent]
gdb_test_no_output [lindex $args 0] "$testname (setup)"
for {set x 1} {$x < $last_ent} {set x [expr $x + 2]} {
gdb_test [lindex $args $x] [lindex $args [expr $x + 1]] "$testname ([lindex $args $x])"
}
}
proc do_tests {} {
deduce_language_of_main
# Check for fixes for PRs 8916 and 8630
gdb_test "print s.a" ".* = 0" "print s.a for foo struct (known gcc 2.7.2 and earlier bug)"
}
do_tests
test_expr "set language c++" \
"print 1 == 1" "print.*\\$\[0-9\]* = true" \
"print 1 == 2" "print.*\\$\[0-9\]* = false" \
"print as bool"
# Test bool type printing, etc.
# Note: Language is already set to C++ above!
gdb_test "print v_bool" "\\$\[0-9\]* = false" "print a bool var"
# set a bool variable
test_expr "set variable v_bool = true" \
"print v_bool" "\\$\[0-9\]* = true" \
"set a bool var"
# next print an array of bool
gdb_test "print v_bool_array" "\\$\[0-9\]* = \\{false, false\\}" "print a bool array"
# set elements of a bool array
test_expr "set variable v_bool_array\[1\] = true" \
"print v_bool_array" "\\$\[0-9\]* = \\{false, true\\}" \
"set a bool array elem"
# bool constants
gdb_test "print true" "\\$\[0-9\]* = true"
gdb_test "print false" "\\$\[0-9\]* = false"
# arithmetic conversions
gdb_test "print 1 + true" "\\$\[0-9\]* = 2" "1 + true"
gdb_test "print 3 + false" "\\$\[0-9\]* = 3" "3 + false"
gdb_test "print 1 < 2 < 3" "\\$\[0-9\]* = true" "1 < 2 < 3"
gdb_test "print 2 < 1 > 4" "\\$\[0-9\]* = false" "2 < 1 > 4"
gdb_test "print (bool)43" "\\$\[0-9\]* = true" "(bool)43"
gdb_test "print (bool)0" "\\$\[0-9\]* = false" "(bool)0"
gdb_test "print (bool)17.93" "\\$\[0-9\]* = true" "(bool)17.93"
gdb_test "print (bool)0.0" "\\$\[0-9\]* = false" "(bool)0.0"
gdb_test "print (int)true" "\\$\[0-9\]* = 1" "(int)true"
gdb_test "print (int)false" "\\$\[0-9\]* = 0" "(int)false"
gdb_test "print 'misc.cc'::v_bool" " = true" \
"expression using block qualifier"
# pointer arithmetic
gdb_test "print *(v_bool_array + number_ref)" "\\$\[0-9\]* = false" \
"pointer addition with integer reference"
gdb_test "print *(number_ref + v_bool_array)" "\\$\[0-9\]* = false" \
"integer reference addition with pointer"
gdb_test "print *(v_bool_array - number_ref)" "\\$\[0-9\]* = false" \
"pointer subtraction with integer reference"
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