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# Copyright 2002-2021 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 is part of the gdb testsuite
# C++11 rvalue reference type casting tests, based on gdb.cp/casts.exp.
if {[skip_cplus_tests]} { continue }
standard_testfile .cc
if {[get_compiler_info "c++"]} {
return -1
}
if {[prepare_for_testing $testfile.exp $testfile $srcfile \
{debug c++ additional_flags="-std=gnu++11"}]} {
return -1
}
if {![runto_main]} {
return -1
}
# Prevent symbol on address 0x0 being printed.
gdb_test_no_output "set print symbol off"
set line [gdb_get_line_number {rvalue-ref-casts.exp: 1}]
gdb_test "break $line" "Breakpoint.*at.* file .*$srcfile, line $line\\." \
"break at test location"
gdb_test "continue" "Breakpoint .* at .*$srcfile:$line.*"
# Check upcasting.
gdb_test "print (A &&) br" ".* = .A &&.* {a = 42}" \
"cast derived class rvalue reference to base class rvalue reference"
# Check downcasting.
gdb_test "print (B &&) ar" ".* = .B.* {<A> = {a = 42}, b = 1729}" \
"cast base class rvalue reference to derived class rvalue reference"
# Check compiler casting
set nonzero_hex "0x\[0-9A-Fa-f\]\[0-9A-Fa-f\]+"
gdb_test "print br" ".* = .B.* {<A> = {a = 42}, b = 1729}" \
"let compiler cast base class rvalue reference to derived\
class rvalue reference"
gdb_test "print static_cast<A &&> (*b)" " = \\(A \\&\\&\\) @$hex: {a = 42}" \
"static_cast to rvalue reference type"
gdb_test "print reinterpret_cast<A &&> (*b)" \
" = \\(A \\&\\&\\) @$hex: {a = 42}" \
"reinterpret_cast to rvalue reference type"
gdb_test "print dynamic_cast<Alpha &&> (derived)" \
" = \\(Alpha \\&\\&\\) @$nonzero_hex: {.* = ${nonzero_hex}(\
<vtable for Derived.*>)?}" \
"dynamic_cast simple upcast to rvalue reference"
gdb_test "print dynamic_cast<VirtuallyDerived &&> (*ad)" \
"dynamic_cast failed" \
"dynamic_cast to rvalue reference to non-existing base"
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