gdb/testsuite/gdb.cp/debug-expr.exp

# Copyright 2012-2020 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/>.

# Test "set debug expr 1" on c++ expressions.

if { [skip_cplus_tests] } { continue }

gdb_start
gdb_test_no_output "set language c++"
gdb_test_no_output "set debug expression 1"

# Test whether the expression debug machinery accepts the expression.

proc test_debug_expr { cmd output } {
    global gdb_prompt

    gdb_test_multiple $cmd "" {
	-re ".*Invalid expression.*\r\n$gdb_prompt $" {
	    fail $cmd
	}
	-re ".*\[\r\n\]$output\r\n$gdb_prompt $" {
	    pass $cmd
	}
    }
}

set void_star_zero_regex "\[$\]$decimal = \\(void \[*\]\\) 0x0"

test_debug_expr "print static_cast<void*>(0)" "$void_star_zero_regex"
test_debug_expr "print reinterpret_cast<void*>(0)" "$void_star_zero_regex"
test_debug_expr "print dynamic_cast<void*>(0)" "$void_star_zero_regex"