gdb/testsuite/gdb.base/bfp-test.exp

   1 # Copyright 2005-2013 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 is intended to test that
  17 # gdb could correctly handle floating point constant with a suffix.
  18
  19 set testfile "bfp-test"
  20 set srcfile ${testfile}.c
  21 set binfile ${objdir}/${subdir}/${testfile}
  22 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  23     untested "Couldn't compile ${srcfile}"
  24     return -1
  25 }
  26
  27 gdb_exit
  28 gdb_start
  29 gdb_reinitialize_dir $srcdir/$subdir
  30 gdb_load ${binfile}
  31
  32 if ![runto_main] then {
  33     perror "couldn't run to breakpoint"
  34     continue
  35 }
  36
  37 # Run to the breakpoint at return.
  38 gdb_breakpoint [gdb_get_line_number "return"]
  39 gdb_continue_to_breakpoint "return"
  40
  41 # Print the original value of b32, b64 and b128.
  42 gdb_test "print b32" ".*1 = 1\.5.*" "The original value of b32 is 1.5"
  43 gdb_test "print b64" ".*2 = 2\.25.*" "The original value of b64 is 2.25"
  44 gdb_test "print b128" ".*3 = 3\.375.*" "The original value of b128 is 3.375"
  45
  46 # Test that gdb could correctly recognize float constant expression with a suffix.
  47 gdb_test "print b32=-1.5f" ".*4 = -1\.5.*" "Try to change b32 to -1.5 with 'print b32=-1.5f'"
  48 gdb_test "print b64=-2.25f" ".*5 = -2\.25.*" "Try to change b64 to -2.25 with 'print b64=-2.25f'"
  49 gdb_test "print b128=-3.375l" ".*6 = -3\.375.*" "Try to change b128 to -3.375 with 'print b128=-3.375l'"
  50
  51 # Test that gdb could handle the above correctly with "set var" command.
  52 set test "set variable b32 = 10.5f"
  53 gdb_test_multiple "set var b32=10.5f" "$test" {
  54     -re "$gdb_prompt $" {
  55         pass "$test"
  56     }
  57     -re "Invalid number.*$gdb_prompt $" {
  58         fail "$test (do not recognize 10.5f)"
  59     }
  60 }
  61
  62 set test "set variable b64 = 20.25f"
  63 gdb_test_multiple "set var b64=20.25f" "$test" {
  64     -re "$gdb_prompt $" {
  65         pass "$test"
  66     }
  67     -re "Invalid number.*$gdb_prompt $" {
  68         fail "$test (do not recognize 20.25f)"
  69     }
  70 }
  71
  72 set test "set variable b128 = 30.375l"
  73 gdb_test_multiple "set var b128=30.375l" "$test" {
  74     -re "$gdb_prompt $" {
  75         pass "$test"
  76     }
  77     -re "Invalid number.*$gdb_prompt $" {
  78         fail "$test (do not recognize 30.375l)"
  79     }
  80 }
  81
  82 gdb_test "print b32" ".*7 = 10\.5.*" "The value of b32 is changed to 10.5"
  83 gdb_test "print b64" ".*8 = 20\.25.*" "The value of b64 is changed to 20.25"
  84 gdb_test "print b128" ".*9 = 30\.375.*" "The value of b128 is changed to 30.375"
  85
  86 # Test that gdb could handle invalid suffix correctly.
  87
  88 set test "set variable b32 = 100.5a"
  89 gdb_test_multiple "set var b32=100.5a" "$test" {
  90     -re "Invalid number.*$gdb_prompt $" {
  91         pass "$test"
  92     }
  93     -re "$gdb_prompt $" {
  94         fail "$test (do not report error on invalid suffix)"
  95     }
  96 }
  97
  98 set test "set variable b64 = 200.25x"
  99 gdb_test_multiple "set var b64=200.25x" "$test" {
 100     -re "Invalid number.*$gdb_prompt $" {
 101         pass "$test"
 102     }
 103     -re "$gdb_prompt $" {
 104         fail "$test (do not report error on invalid suffix)"
 105     }
 106 }
 107
 108 set test "set variable b128 = 300.375fl"
 109 gdb_test_multiple "set var b128=300.375fl" "$test" {
 110     -re "Invalid number.*$gdb_prompt $" {
 111         pass "$test"
 112     }
 113     -re "$gdb_prompt $" {
 114         fail "$test (do not report error on invalid suffix)"
 115     }
 116 }
 117
 118 set test "set variable b128 = 300.375fff"
 119 gdb_test_multiple "set var b128=300.375fff" "$test" {
 120     -re "Invalid number.*$gdb_prompt $" {
 121         pass "$test"
 122     }
 123     -re "$gdb_prompt $" {
 124         fail "$test (do not report error on invalid suffix)"
 125     }
 126 }