| # 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" |