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

   1 # Copyright 1999-2020 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 # Tests for reference types with short type variables in GDB, based on
  17 # gdb.cp/ref-types.exp.
  18
  19 if { [skip_cplus_tests] } { continue }
  20
  21 standard_testfile .cc
  22
  23 if {[prepare_for_testing $testfile.exp $testfile $srcfile \
  24     {debug c++ additional_flags="-std=gnu++11"}]} {
  25     return -1
  26 }
  27
  28 #
  29 # Set it up at a breakpoint so we can play with the variable values.
  30 #
  31 if {![runto_main]} {
  32     untested "couldn't run to breakpoint"
  33     return -1
  34 }
  35
  36 if {![runto 'marker1']} {
  37     untested "couldn't run to marker1"
  38     return -1
  39 }
  40
  41 gdb_test "up" ".*main.*" "up from marker1 1"
  42
  43 gdb_test "print rrt" " = \\(short( int)? &&\\) @$hex: -1" "print value of rrt"
  44
  45 gdb_test "ptype rrt" "type = short( int)? &&"
  46
  47 gdb_test "print *rrpt" ".$decimal = -1" "print value of *rrpt"
  48
  49 # gdb had a bug about dereferencing a pointer type
  50 # that would lead to wrong results
  51 # if we try to examine memory at pointer value.
  52
  53 gdb_test "x /hd rrpt" "$hex:\[ \t\]*-1" "examine value at rrpt"
  54
  55 gdb_test "ptype rrpt" "type = short( int)? \\*&&"
  56
  57 gdb_test "print rrat\[0\]" ".$decimal = 0" "print value of rrat\[0\]"
  58
  59 gdb_test "ptype rrat" "type = short( int)? \\\(&&\\\)\\\[4\\\]"
  60
  61 gdb_test "print rrat\[1\]" ".$decimal = 1" "print value of rrat\[1\]"
  62 gdb_test "print rrat\[2\]" ".$decimal = 2" "print value of rrat\[2\]"
  63 gdb_test "print rrat\[3\]" ".$decimal = 3" "print value of rrat\[3\]"
  64
  65
  66 if {![runto 'f']} then {
  67     perror "couldn't run to f"
  68     continue
  69 }
  70
  71 gdb_test "up" ".main2.*" "up from f"
  72
  73 gdb_test "ptype rrC" "type = char &&"
  74
  75 gdb_test "ptype rrUC" "type = unsigned char &&"
  76
  77 gdb_test "ptype rrS" "type = short( int)? &&"
  78
  79 gdb_test "ptype rrUS" "type = unsigned short( int)? &&"
  80
  81 gdb_test "ptype rrI" "type = int &&"
  82
  83 gdb_test "ptype rrUI" "type = unsigned int &&"
  84
  85 gdb_test "ptype rrL" "type = long( int)? &&"
  86
  87 gdb_test "ptype rrUL" "type = unsigned long( int)? &&"
  88
  89 gdb_test "ptype rrF" "type = float &&"
  90
  91 gdb_test "ptype rrD" "type = double &&"
  92
  93 gdb_test "print rrC" "$decimal = \\(char &&\\) @$hex: 65 \'A\'" \
  94     "print value of rrC"
  95
  96 gdb_test "print rrUC" \
  97     "$decimal = \\(unsigned char &&\\) @$hex: 21 \'.025\'" \
  98     "print value of rrUC"
  99
 100 gdb_test "print rrS" "$decimal = \\(short( int)? &&\\) @$hex: -14" \
 101                   "print value of rrS"
 102
 103 gdb_test "print rrUS" \
 104          "$decimal = \\(unsigned short( int)? &&\\) @$hex: 7" \
 105          "print value of rrUS"
 106
 107 gdb_test "print rrI" "$decimal = \\(int &&\\) @$hex: 102" \
 108        "print value of rrI"
 109
 110 gdb_test "print rrUI" \
 111     "$decimal = \\(unsigned int &&\\) @$hex: 1002" \
 112         "print value of rrUI"
 113
 114 gdb_test "print rrL" \
 115        "$decimal = \\(long( int)? &&\\) @$hex: -234" \
 116          "print value of rrL"
 117
 118 gdb_test "print rrUL" \
 119     "$decimal = \\((unsigned long|long unsigned int)? &&\\) @$hex: 234" \
 120     "print value of rrUL"
 121
 122 gdb_test "print rrF" \
 123     "$decimal = \\(float &&\\) @$hex: 1.2${decimal}e\\+0?10.*" \
 124     "print value of rrF"
 125
 126 gdb_test "print rrD" \
 127     "$decimal = \\(double &&\\) @$hex: -1.375e-123.*" \
 128     "print value of rrD"