gdb/testsuite/gdb.cp/rvalue-ref-overload.exp

   1 # Copyright 1998-2019 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 # Tests for overloaded member functions with rvalue reference parameters,
  19 # based on gdb.cp/overload.exp.
  20
  21 if {[skip_cplus_tests]} { continue }
  22
  23 load_lib "cp-support.exp"
  24
  25 standard_testfile .cc
  26
  27 if {[prepare_for_testing $testfile.exp $testfile $srcfile \
  28     {debug c++ additional_flags="-std=gnu++11"}]} {
  29     return -1
  30 }
  31
  32 # Set it up at a breakpoint so we can play with the variable values.
  33
  34 if {![runto 'marker1']} {
  35     untested "couldn't run to marker1"
  36     return -1
  37 }
  38
  39 # Prevent symbol on address 0x0 being printed.
  40 gdb_test_no_output "set print symbol off"
  41 gdb_test "up" ".*main.*" "up from marker1"
  42
  43 # Print the monster class type.
  44 cp_test_ptype_class "foo_rr_instance1" "" "class" "foo" \
  45     {
  46         { method public "foo(void);" }
  47         { method public "foo(foo_lval_ref);" }
  48         { method public "foo(foo_rval_ref);" }
  49         { method public "~foo();" }
  50         { method public "int overload1arg(foo_lval_ref);" }
  51         { method public "int overload1arg(foo_rval_ref);" }
  52         { method public "int overloadConst(const foo &);" }
  53         { method public "int overloadConst(const foo &&);" }
  54     }
  55
  56 gdb_test "print foo_rr_instance1.overload1arg(arg)" "1"
  57
  58 gdb_test "print foo_rr_instance1.overload1arg(static_cast<foo&&>(arg))" "2"
  59
  60 gdb_test "print foo_rr_instance1.overloadConst(arg)" "3"
  61
  62 # Test lvalue vs rvalue function overloads
  63 gdb_test "print f (i)" "1" "lvalue reference overload"
  64
  65 gdb_test "print f (ci)" "2" "lvalue reference to const overload"
  66
  67 setup_kfail "c++/15372" "*-*-*"
  68 gdb_test "print f (3)" "3" "rvalue reference overload"
  69
  70 gdb_test "print g (i)" \
  71     "Cannot resolve function g to any overloaded instance" \
  72     "passing lvalue arg to rvalue parameter"