gnu/dist/gdb6/gdb/testsuite/gdb.base/bfp-test.exp

   1 # Copyright 2005 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 2 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, write to the Free Software
  15 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  16
  17 # This file is part of the gdb testsuite.  It is intended to test that
  18 # gdb could correctly handle floating point constant with a suffix.
  19
  20 if $tracelevel {
  21     strace $tracelevel
  22 }
  23
  24 set testfile "bfp-test"
  25 set srcfile ${testfile}.c
  26 set binfile ${objdir}/${subdir}/${testfile}
  27 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  28     untested "Couldn't compile ${srcfile}"
  29     return -1
  30 }
  31
  32 gdb_exit
  33 gdb_start
  34 gdb_reinitialize_dir $srcdir/$subdir
  35 gdb_load ${binfile}
  36
  37 if ![runto_main] then {
  38     perror "couldn't run to breakpoint"
  39     continue
  40 }
  41
  42 # Run to the breakpoint at return.
  43 gdb_breakpoint [gdb_get_line_number "return"]
  44 gdb_continue_to_breakpoint "return"
  45
  46 # Print the original value of b32, b64 and b128.
  47 gdb_test "print b32" ".*1 = 1\.5.*" "The original value of b32 is 1.5"
  48 gdb_test "print b64" ".*2 = 2\.25.*" "The original value of b64 is 2.25"
  49 gdb_test "print b128" ".*3 = 3\.375.*" "The original value of b128 is 3.375"
  50
  51 # Test that gdb could correctly recognize float constant expression with a suffix.
  52 gdb_test "print b32=-1.5f" ".*4 = -1\.5.*" "Try to change b32 to -1.5 with 'print b32=-1.5f'"
  53 gdb_test "print b64=-2.25f" ".*5 = -2\.25.*" "Try to change b64 to -2.25 with 'print b64=-2.25f'"
  54 gdb_test "print b128=-3.375l" ".*6 = -3\.375.*" "Try to change b128 to -3.375 with 'print b128=-3.375l'"
  55
  56 # Test that gdb could handle the above correctly with "set var" command.
  57 set test "set variable b32 = 10.5f"
  58 gdb_test_multiple "set var b32=10.5f" "$test" {
  59     -re "$gdb_prompt $" {
  60         pass "$test"
  61     }
  62     -re "Invalid number.*$gdb_prompt $" {
  63         fail "$test (do not recognize 10.5f)"
  64     }
  65 }
  66
  67 set test "set variable b64 = 20.25f"
  68 gdb_test_multiple "set var b64=20.25f" "$test" {
  69     -re "$gdb_prompt $" {
  70         pass "$test"
  71     }
  72     -re "Invalid number.*$gdb_prompt $" {
  73         fail "$test (do not recognize 20.25f)"
  74     }
  75 }
  76
  77 set test "set variable b128 = 30.375l"
  78 gdb_test_multiple "set var b128=30.375l" "$test" {
  79     -re "$gdb_prompt $" {
  80         pass "$test"
  81     }
  82     -re "Invalid number.*$gdb_prompt $" {
  83         fail "$test (do not recognize 30.375l)"
  84     }
  85 }
  86
  87 gdb_test "print b32" ".*7 = 10\.5.*" "The value of b32 is changed to 10.5"
  88 gdb_test "print b64" ".*8 = 20\.25.*" "The value of b64 is changed to 20.25"
  89 gdb_test "print b128" ".*9 = 30\.375.*" "The value of b128 is changed to 30.375"
  90
  91 # Test that gdb could handle invalid suffix correctly.
  92
  93 set test "set variable b32 = 100.5a"
  94 gdb_test_multiple "set var b32=100.5a" "$test" {
  95     -re "Invalid number.*$gdb_prompt $" {
  96         pass "$test"
  97     }
  98     -re "$gdb_prompt $" {
  99         fail "$test (do not report error on invalid suffix)"
 100     }
 101 }
 102
 103 set test "set variable b64 = 200.25x"
 104 gdb_test_multiple "set var b64=200.25x" "$test" {
 105     -re "Invalid number.*$gdb_prompt $" {
 106         pass "$test"
 107     }
 108     -re "$gdb_prompt $" {
 109         fail "$test (do not report error on invalid suffix)"
 110     }
 111 }
 112
 113 set test "set variable b128 = 300.375fl"
 114 gdb_test_multiple "set var b128=300.375fl" "$test" {
 115     -re "Invalid number.*$gdb_prompt $" {
 116         pass "$test"
 117     }
 118     -re "$gdb_prompt $" {
 119         fail "$test (do not report error on invalid suffix)"
 120     }
 121 }
 122
 123 set test "set variable b128 = 300.375fff"
 124 gdb_test_multiple "set var b128=300.375fff" "$test" {
 125     -re "Invalid number.*$gdb_prompt $" {
 126         pass "$test"
 127     }
 128     -re "$gdb_prompt $" {
 129         fail "$test (do not report error on invalid suffix)"
 130     }
 131 }