1# Copyright 2002-2023 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 is part of the gdb testsuite
17
18# C++11 rvalue reference type casting tests, based on gdb.cp/casts.exp.
19
20if {[skip_cplus_tests]} { continue }
21
22standard_testfile .cc
23
24if {[prepare_for_testing $testfile.exp $testfile $srcfile \
25    {debug c++ additional_flags="-std=gnu++11"}]} {
26    return -1
27}
28
29if {![runto_main]} {
30    return -1
31}
32
33# Prevent symbol on address 0x0 being printed.
34gdb_test_no_output "set print symbol off"
35
36set line [gdb_get_line_number {rvalue-ref-casts.exp: 1}]
37gdb_test "break $line" "Breakpoint.*at.* file .*$srcfile, line $line\\." \
38    "break at test location"
39
40gdb_test "continue" "Breakpoint .* at .*$srcfile:$line.*"
41
42# Check upcasting.
43gdb_test "print (A &&) br" ".* = .A &&.* {a = 42}" \
44    "cast derived class rvalue reference to base class rvalue reference"
45
46# Check downcasting.
47gdb_test "print (B &&) ar" ".* = .B.* {<A> = {a = 42}, b = 1729}" \
48    "cast base class rvalue reference to derived class rvalue reference"
49
50# Check compiler casting
51
52set nonzero_hex "0x\[0-9A-Fa-f\]\[0-9A-Fa-f\]+"
53
54gdb_test "print br" ".* = .B.* {<A> = {a = 42}, b = 1729}" \
55    "let compiler cast base class rvalue reference to derived\
56    class rvalue reference"
57
58gdb_test "print static_cast<A &&> (*b)" " = \\(A \\&\\&\\) @$hex: {a = 42}" \
59    "static_cast to rvalue reference type"
60
61gdb_test "print reinterpret_cast<A &&> (*b)" \
62    " = \\(A \\&\\&\\) @$hex: {a = 42}" \
63    "reinterpret_cast to rvalue reference type"
64
65gdb_test "print dynamic_cast<Alpha &&> (derived)" \
66    " = \\(Alpha \\&\\&\\) @$nonzero_hex: {.* = ${nonzero_hex}(\
67    <vtable for Derived.*>)?}" \
68    "dynamic_cast simple upcast to rvalue reference"
69
70gdb_test "print dynamic_cast<VirtuallyDerived &&> (*ad)" \
71    "dynamic_cast failed" \
72    "dynamic_cast to rvalue reference to non-existing base"
73