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

   1 # Copyright 2005-2016 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 standard_testfile .c
  20
  21 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  22     untested "couldn't compile ${srcfile}"
  23     return -1
  24 }
  25
  26 clean_restart ${binfile}
  27
  28 if ![runto_main] then {
  29     perror "couldn't run to breakpoint"
  30     continue
  31 }
  32
  33 # Run to the breakpoint at return.
  34 gdb_breakpoint [gdb_get_line_number "return"]
  35 gdb_continue_to_breakpoint "return"
  36
  37 # Print the original value of b32, b64 and b128.
  38 gdb_test "print b32" ".*1 = 1\.5.*" "The original value of b32 is 1.5"
  39 gdb_test "print b64" ".*2 = 2\.25.*" "The original value of b64 is 2.25"
  40 gdb_test "print b128" ".*3 = 3\.375.*" "The original value of b128 is 3.375"
  41
  42 # Test that gdb could correctly recognize float constant expression with a suffix.
  43 gdb_test "print b32=-1.5f" ".*4 = -1\.5.*" "Try to change b32 to -1.5 with 'print b32=-1.5f'"
  44 gdb_test "print b64=-2.25f" ".*5 = -2\.25.*" "Try to change b64 to -2.25 with 'print b64=-2.25f'"
  45 gdb_test "print b128=-3.375l" ".*6 = -3\.375.*" "Try to change b128 to -3.375 with 'print b128=-3.375l'"
  46
  47 # Test that gdb could handle the above correctly with "set var" command.
  48 set test "set variable b32 = 10.5f"
  49 gdb_test_multiple "set var b32=10.5f" "$test" {
  50     -re "$gdb_prompt $" {
  51         pass "$test"
  52     }
  53     -re "Invalid number.*$gdb_prompt $" {
  54         fail "$test (do not recognize 10.5f)"
  55     }
  56 }
  57
  58 set test "set variable b64 = 20.25f"
  59 gdb_test_multiple "set var b64=20.25f" "$test" {
  60     -re "$gdb_prompt $" {
  61         pass "$test"
  62     }
  63     -re "Invalid number.*$gdb_prompt $" {
  64         fail "$test (do not recognize 20.25f)"
  65     }
  66 }
  67
  68 set test "set variable b128 = 30.375l"
  69 gdb_test_multiple "set var b128=30.375l" "$test" {
  70     -re "$gdb_prompt $" {
  71         pass "$test"
  72     }
  73     -re "Invalid number.*$gdb_prompt $" {
  74         fail "$test (do not recognize 30.375l)"
  75     }
  76 }
  77
  78 gdb_test "print b32" ".*7 = 10\.5.*" "The value of b32 is changed to 10.5"
  79 gdb_test "print b64" ".*8 = 20\.25.*" "The value of b64 is changed to 20.25"
  80 gdb_test "print b128" ".*9 = 30\.375.*" "The value of b128 is changed to 30.375"
  81
  82 # Test that gdb could handle invalid suffix correctly.
  83
  84 set test "set variable b32 = 100.5a"
  85 gdb_test_multiple "set var b32=100.5a" "$test" {
  86     -re "Invalid number.*$gdb_prompt $" {
  87         pass "$test"
  88     }
  89     -re "$gdb_prompt $" {
  90         fail "$test (do not report error on invalid suffix)"
  91     }
  92 }
  93
  94 set test "set variable b64 = 200.25x"
  95 gdb_test_multiple "set var b64=200.25x" "$test" {
  96     -re "Invalid number.*$gdb_prompt $" {
  97         pass "$test"
  98     }
  99     -re "$gdb_prompt $" {
 100         fail "$test (do not report error on invalid suffix)"
 101     }
 102 }
 103
 104 set test "set variable b128 = 300.375fl"
 105 gdb_test_multiple "set var b128=300.375fl" "$test" {
 106     -re "Invalid number.*$gdb_prompt $" {
 107         pass "$test"
 108     }
 109     -re "$gdb_prompt $" {
 110         fail "$test (do not report error on invalid suffix)"
 111     }
 112 }
 113
 114 set test "set variable b128 = 300.375fff"
 115 gdb_test_multiple "set var b128=300.375fff" "$test" {
 116     -re "Invalid number.*$gdb_prompt $" {
 117         pass "$test"
 118     }
 119     -re "$gdb_prompt $" {
 120         fail "$test (do not report error on invalid suffix)"
 121     }
 122 }