gdb/testsuite/gdb.python/py-rvalue-ref-value-cc.exp

   1 # Copyright (C) 2012-2018 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.  It tests the mechanism
  17 # exposing rvalue reference values to Python.  It is based on
  18 # gdb.python/py-value-cc.exp.
  19
  20 if {[skip_cplus_tests]} { continue }
  21
  22 standard_testfile .cc
  23
  24 if {[prepare_for_testing $testfile.exp $testfile $srcfile \
  25     {debug c++ additional_flags="-std=c++11"}]} {
  26     return -1
  27 }
  28
  29 # Skip all tests if Python scripting is not enabled.
  30 if {[skip_python_tests]} { continue }
  31
  32 if {![runto_main]} {
  33     untested "couldn't run to main"
  34    return -1
  35 }
  36
  37 gdb_breakpoint [gdb_get_line_number "Break here."]
  38 gdb_continue_to_breakpoint "Break here" ".*Break here.*"
  39
  40 gdb_test "python print (str(gdb.parse_and_eval(\"int_rref\").type))" "int &&"
  41 gdb_test "python print (str(gdb.parse_and_eval(\"int_rref\").referenced_value().type))" "int"
  42 gdb_test "python print (str(gdb.parse_and_eval(\"int_rref\").referenced_value()))" "10"
  43
  44 gdb_test "python print (str(gdb.parse_and_eval(\"int_ptr_rref\").dereference().type))" "int"
  45 gdb_test "python print (str(gdb.parse_and_eval(\"int_ptr_rref\").referenced_value().type))" "int_ptr"
  46 gdb_test "python print (str(gdb.parse_and_eval(\"int_ptr_rref\").referenced_value().dereference()))" "10"
  47 gdb_test "python print (str(gdb.parse_and_eval(\"int_ptr_rref\").referenced_value().referenced_value()))" "10"
  48
  49 gdb_test_no_output "python b = gdb.parse_and_eval('b')" "init b"
  50 gdb_test_no_output "python b_rref = gdb.parse_and_eval('b_rref')" "init b_rref"
  51 gdb_test_no_output "python b_fields = b.type.fields()" "init b_fields"
  52
  53 gdb_test "python print(b_rref\[b_fields\[1\]\])" "98 'b'" "b_rref.a via field"
  54 gdb_test "python print(b_rref\[b_fields\[0\]\].type.target())" "A" \
  55   "type of b_rref's base class via field"
  56 gdb_test "python print(b_rref\[b_fields\[0\]\]\['a'\])" "100" \
  57   "b_rref.A::a via field"