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

   1 # Copyright 2005-2024 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 "failed to compile"
  23     return -1
  24 }
  25
  26 clean_restart ${binfile}
  27
  28 if {![runto_main]} {
  29     return
  30 }
  31
  32 # Run to the breakpoint at return.
  33 gdb_breakpoint [gdb_get_line_number "return"]
  34 gdb_continue_to_breakpoint "return"
  35
  36 # Print the original value of b32, b64 and b128.
  37 gdb_test "print b32" ".*1 = 1\.5.*" "the original value of b32 is 1.5"
  38 gdb_test "print b64" ".*2 = 2\.25.*" "the original value of b64 is 2.25"
  39 gdb_test "print b128" ".*3 = 3\.375.*" "the original value of b128 is 3.375"
  40
  41 # Test that gdb could correctly recognize float constant expression with a suffix.
  42 gdb_test "print b32=-1.5f" ".*4 = -1\.5.*" "try to change b32 to -1.5 with 'print b32=-1.5f'"
  43 gdb_test "print b64=-2.25f" ".*5 = -2\.25.*" "try to change b64 to -2.25 with 'print b64=-2.25f'"
  44 gdb_test "print b128=-3.375l" ".*6 = -3\.375.*" "try to change b128 to -3.375 with 'print b128=-3.375l'"
  45
  46 # Test that gdb could handle the above correctly with "set var" command.
  47 set test "set variable b32 = 10.5f"
  48 gdb_test_multiple "set var b32=10.5f" "$test" {
  49     -re "$gdb_prompt $" {
  50         pass "$test"
  51     }
  52     -re "Invalid number.*$gdb_prompt $" {
  53         fail "$test (do not recognize 10.5f)"
  54     }
  55 }
  56
  57 set test "set variable b64 = 20.25f"
  58 gdb_test_multiple "set var b64=20.25f" "$test" {
  59     -re "$gdb_prompt $" {
  60         pass "$test"
  61     }
  62     -re "Invalid number.*$gdb_prompt $" {
  63         fail "$test (do not recognize 20.25f)"
  64     }
  65 }
  66
  67 set test "set variable b128 = 30.375l"
  68 gdb_test_multiple "set var b128=30.375l" "$test" {
  69     -re "$gdb_prompt $" {
  70         pass "$test"
  71     }
  72     -re "Invalid number.*$gdb_prompt $" {
  73         fail "$test (do not recognize 30.375l)"
  74     }
  75 }
  76
  77 gdb_test "print b32" ".*7 = 10\.5.*" "the value of b32 is changed to 10.5"
  78 gdb_test "print b64" ".*8 = 20\.25.*" "the value of b64 is changed to 20.25"
  79 gdb_test "print b128" ".*9 = 30\.375.*" "the value of b128 is changed to 30.375"
  80
  81 # Test that gdb could handle invalid suffix correctly.
  82
  83 set test "set variable b32 = 100.5a"
  84 gdb_test_multiple "set var b32=100.5a" "$test" {
  85     -re "Invalid number.*$gdb_prompt $" {
  86         pass "$test"
  87     }
  88     -re "$gdb_prompt $" {
  89         fail "$test (do not report error on invalid suffix)"
  90     }
  91 }
  92
  93 set test "set variable b64 = 200.25x"
  94 gdb_test_multiple "set var b64=200.25x" "$test" {
  95     -re "Invalid number.*$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 b128 = 300.375fl"
 104 gdb_test_multiple "set var b128=300.375fl" "$test" {
 105     -re "Invalid number.*$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 = 300.375fff"
 114 gdb_test_multiple "set var b128=300.375fff" "$test" {
 115     -re "Invalid number.*$gdb_prompt $" {
 116         pass "$test"
 117     }
 118     -re "$gdb_prompt $" {
 119         fail "$test (do not report error on invalid suffix)"
 120     }
 121 }