78 lines
2.5 KiB
Plaintext
78 lines
2.5 KiB
Plaintext
# Copyright 2002-2018 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# This file is part of the gdb testsuite
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# C++11 rvalue reference type casting tests, based on gdb.cp/casts.exp.
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if {[skip_cplus_tests]} { continue }
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standard_testfile .cc
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if {[get_compiler_info "c++"]} {
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return -1
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}
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if {[prepare_for_testing $testfile.exp $testfile $srcfile \
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{debug c++ additional_flags="-std=gnu++11"}]} {
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return -1
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}
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if {![runto_main]} {
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untested "couldn't run to main"
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return -1
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}
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# Prevent symbol on address 0x0 being printed.
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gdb_test_no_output "set print symbol off"
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set line [gdb_get_line_number {rvalue-ref-casts.exp: 1}]
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gdb_test "break $line" "Breakpoint.*at.* file .*$srcfile, line $line\\." \
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"break at test location"
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gdb_test "continue" "Breakpoint .* at .*$srcfile:$line.*"
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# Check upcasting.
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gdb_test "print (A &&) br" ".* = .A &&.* {a = 42}" \
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"cast derived class rvalue reference to base class rvalue reference"
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# Check downcasting.
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gdb_test "print (B &&) ar" ".* = .B.* {<A> = {a = 42}, b = 1729}" \
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"cast base class rvalue reference to derived class rvalue reference"
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# Check compiler casting
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set nonzero_hex "0x\[0-9A-Fa-f\]\[0-9A-Fa-f\]+"
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gdb_test "print br" ".* = .B.* {<A> = {a = 42}, b = 1729}" \
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"let compiler cast base class rvalue reference to derived\
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class rvalue reference"
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gdb_test "print static_cast<A &&> (*b)" " = \\(A \\&\\&\\) @$hex: {a = 42}" \
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"static_cast to rvalue reference type"
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gdb_test "print reinterpret_cast<A &&> (*b)" \
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" = \\(A \\&\\&\\) @$hex: {a = 42}" \
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"reinterpret_cast to rvalue reference type"
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gdb_test "print dynamic_cast<Alpha &&> (derived)" \
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" = \\(Alpha \\&\\&\\) @$nonzero_hex: {.* = ${nonzero_hex}(\
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<vtable for Derived.*>)?}" \
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"dynamic_cast simple upcast to rvalue reference"
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gdb_test "print dynamic_cast<VirtuallyDerived &&> (*ad)" \
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"dynamic_cast failed" \
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"dynamic_cast to rvalue reference to non-existing base"
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