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

   1 # Copyright 2005, 2007, 2008, 2009, 2010, 2011 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 if $tracelevel {
  20     strace $tracelevel
  21 }
  22
  23 set testfile "bfp-test"
  24 set srcfile ${testfile}.c
  25 set binfile ${objdir}/${subdir}/${testfile}
  26 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  27     untested "Couldn't compile ${srcfile}"
  28     return -1
  29 }
  30
  31 gdb_exit
  32 gdb_start
  33 gdb_reinitialize_dir $srcdir/$subdir
  34 gdb_load ${binfile}
  35
  36 if ![runto_main] then {
  37     perror "couldn't run to breakpoint"
  38     continue
  39 }
  40
  41 # Run to the breakpoint at return.
  42 gdb_breakpoint [gdb_get_line_number "return"]
  43 gdb_continue_to_breakpoint "return"
  44
  45 # Print the original value of b32, b64 and b128.
  46 gdb_test "print b32" ".*1 = 1\.5.*" "The original value of b32 is 1.5"
  47 gdb_test "print b64" ".*2 = 2\.25.*" "The original value of b64 is 2.25"
  48 gdb_test "print b128" ".*3 = 3\.375.*" "The original value of b128 is 3.375"
  49
  50 # Test that gdb could correctly recognize float constant expression with a suffix.
  51 gdb_test "print b32=-1.5f" ".*4 = -1\.5.*" "Try to change b32 to -1.5 with 'print b32=-1.5f'"
  52 gdb_test "print b64=-2.25f" ".*5 = -2\.25.*" "Try to change b64 to -2.25 with 'print b64=-2.25f'"
  53 gdb_test "print b128=-3.375l" ".*6 = -3\.375.*" "Try to change b128 to -3.375 with 'print b128=-3.375l'"
  54
  55 # Test that gdb could handle the above correctly with "set var" command.
  56 set test "set variable b32 = 10.5f"
  57 gdb_test_multiple "set var b32=10.5f" "$test" {
  58     -re "$gdb_prompt $" {
  59         pass "$test"
  60     }
  61     -re "Invalid number.*$gdb_prompt $" {
  62         fail "$test (do not recognize 10.5f)"
  63     }
  64 }
  65
  66 set test "set variable b64 = 20.25f"
  67 gdb_test_multiple "set var b64=20.25f" "$test" {
  68     -re "$gdb_prompt $" {
  69         pass "$test"
  70     }
  71     -re "Invalid number.*$gdb_prompt $" {
  72         fail "$test (do not recognize 20.25f)"
  73     }
  74 }
  75
  76 set test "set variable b128 = 30.375l"
  77 gdb_test_multiple "set var b128=30.375l" "$test" {
  78     -re "$gdb_prompt $" {
  79         pass "$test"
  80     }
  81     -re "Invalid number.*$gdb_prompt $" {
  82         fail "$test (do not recognize 30.375l)"
  83     }
  84 }
  85
  86 gdb_test "print b32" ".*7 = 10\.5.*" "The value of b32 is changed to 10.5"
  87 gdb_test "print b64" ".*8 = 20\.25.*" "The value of b64 is changed to 20.25"
  88 gdb_test "print b128" ".*9 = 30\.375.*" "The value of b128 is changed to 30.375"
  89
  90 # Test that gdb could handle invalid suffix correctly.
  91
  92 set test "set variable b32 = 100.5a"
  93 gdb_test_multiple "set var b32=100.5a" "$test" {
  94     -re "Invalid number.*$gdb_prompt $" {
  95         pass "$test"
  96     }
  97     -re "$gdb_prompt $" {
  98         fail "$test (do not report error on invalid suffix)"
  99     }
 100 }
 101
 102 set test "set variable b64 = 200.25x"
 103 gdb_test_multiple "set var b64=200.25x" "$test" {
 104     -re "Invalid number.*$gdb_prompt $" {
 105         pass "$test"
 106     }
 107     -re "$gdb_prompt $" {
 108         fail "$test (do not report error on invalid suffix)"
 109     }
 110 }
 111
 112 set test "set variable b128 = 300.375fl"
 113 gdb_test_multiple "set var b128=300.375fl" "$test" {
 114     -re "Invalid number.*$gdb_prompt $" {
 115         pass "$test"
 116     }
 117     -re "$gdb_prompt $" {
 118         fail "$test (do not report error on invalid suffix)"
 119     }
 120 }
 121
 122 set test "set variable b128 = 300.375fff"
 123 gdb_test_multiple "set var b128=300.375fff" "$test" {
 124     -re "Invalid number.*$gdb_prompt $" {
 125         pass "$test"
 126     }
 127     -re "$gdb_prompt $" {
 128         fail "$test (do not report error on invalid suffix)"
 129     }
 130 }