gdb/testsuite/gdb.pascal/floats.exp

   1 # Copyright 2007, 2008 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 if $tracelevel then {
  17     strace $tracelevel
  18 }
  19
  20 load_lib "pascal.exp"
  21
  22 set testfile "floats"
  23 set srcfile ${testfile}.pas
  24 set binfile ${objdir}/${subdir}/${testfile}$EXEEXT
  25
  26 if {[gdb_compile_pascal "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug ]] != "" } {
  27   return -1
  28 }
  29
  30 gdb_exit
  31 gdb_start
  32 gdb_reinitialize_dir $srcdir/$subdir
  33 gdb_load ${binfile}
  34 set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
  35 set bp_location2 [gdb_get_line_number "set breakpoint 2 here"]
  36
  37 if { [gdb_breakpoint ${srcfile}:${bp_location1}] } {
  38     pass "setting breakpoint 1"
  39 }
  40 if { [gdb_breakpoint ${srcfile}:${bp_location2}] } {
  41     pass "setting breakpoint 2"
  42 }
  43
  44 # Verify that "start" lands inside the right procedure.
  45 if { [gdb_start_cmd] < 0 } {
  46     untested start
  47     return -1
  48 }
  49
  50 gdb_test "" ".* at .*${srcfile}.*" "start"
  51
  52 gdb_test "cont" "Breakpoint .*:${bp_location1}.*" "Going to first breakpoint"
  53 gdb_test "print r" ".* = 0" "Print r before assigned to 1.25"
  54
  55 gdb_test "next" "r := 1\\.25;" "Next to 'r := 1.25' line"
  56 gdb_test "next" "s := 2\\.2;" "Next to 's := 2.2' line"
  57 gdb_test "next" "t := -3\\.2;" "Next to 't := -3.2' line"
  58 gdb_test "next" "u := 78\\.3;" "Next to 'u := 78.3' line"
  59 gdb_test "next" "l := 1;" "Next to 'l := 1' line"
  60 gdb_test "next" "i := 1;" "Next to 'i := 1' line"
  61
  62 # At that point,
  63 # r should be equal to 1.25
  64 gdb_test "print r" " = 1\\.25"
  65 # s should be equal to 2.2
  66 gdb_test "print s" " = 2\\.(199.*|2|200.*)"
  67 # t should be equal to -3.2
  68 gdb_test "print t" " = -3\\.(199.*|2|200.*)"
  69 # u should be equal to 78.3
  70 gdb_test "print u" " = 78\\.(3|300.*|299.*)"
  71
  72 # Test addition
  73 gdb_test "print r + s" " = 3\\.4(499.*|5|500.*)"
  74 gdb_test "print r + t" " = -1\\.9(499.*|5|500.*)"
  75
  76 #Test addition with float constants
  77 gdb_test "print r + 1.5" " = 2\\.7(499.*|5|500.*)"
  78 gdb_test "print r + 0.03" " = 1\\.2(799.*|8|800.*)"
  79 gdb_test "print r + (-0.2)" " = 1\\.0(499|5|500.*)"
  80 gdb_test "print r + 1.5E+3" " = 1501\\.2(499.*|5|500.*)"
  81 gdb_test "print r + 1.5E+2" " = 151\\.2(499.*|5|500.*)"
  82 gdb_test "print r + 1.5E+1" " = 16\\.2(499|5|500.*)"
  83 gdb_test "print r + 1.5E+0" " = 2\\.7(499.*|5|500.*)"
  84 gdb_test "print r + 1.5E-1" " = 1\\.(399.*|4|400.*)"
  85 gdb_test "print r + 1.5E-2" " = 1\\.26(499.*|5|500.*)"
  86 gdb_test "print r + 1.5E-3" " = 1\\.251(499.*|5|500.*)"
  87
  88 # Test addition with integer variables
  89 gdb_test "print r + l" " = 2\\.2(499.*|5|500.*)"
  90 gdb_test "print l + t" " = -2\\.(199.*|2|200.*)"
  91
  92 # Test addition with integer constants
  93 gdb_test "print r + 10" " = 11\\.2(499.*|5|500.*)"
  94 gdb_test "print r + 5" " = 6\\.2(499.*|5|500.*)"
  95 gdb_test "print r + 1" " = 2\\.2(499.*|5|500.*)"
  96 gdb_test "print r + 0" " = 1\\.2(499|5|500.*)"
  97 gdb_test "print r + (-1)" " = 0\\.2(499.*|5|500.*)"
  98 gdb_test "print r + (-5)" " = -3\\.7(499.*|5|500.*)"
  99 gdb_test "print r + (-10)" " = -8\\.7(499.*|5|500.*)"
 100
 101 # Test substraction
 102 gdb_test "print r - s" " = -0\\.9(499.*|5|500.*)"
 103 gdb_test "print r - t" " = 4\\.4(499.*|5|500.*)"
 104
 105 # Test unany minus
 106 gdb_test "print -r" " = -1\\.2(499.*|5|500.*)"
 107 gdb_test "print (-r)" " = -1\\.2(499.*|5|500.*)"
 108 gdb_test "print -(r)" " = -1.2(499.*|5|500.*)"
 109 gdb_test "print -(r + s)" " = -3\\.4(499.*|5|500.*)"
 110
 111 # Test multiplication
 112 gdb_test "print 2 * r" " = 2\\.(499.*|5|500.*)"
 113 gdb_test "print 2.0 * r" " = 2\\.(499.*|5|500.*)"
 114 gdb_test "print 1000*r" " = 12(49\\.99.*|50|50\\.00.*)"
 115
 116 #Test division
 117 gdb_test "print r / 2" " = 0\\.62(499.*|5|500.*)"
 118 gdb_test "print 35 / 2" " = 17\\.(499.*|5|500.*)"
 119
 120 # 'set r' does not work, as there are set sub-commands starting with 'r'
 121 # Thus we need to use 'set var r'
 122 gdb_test "set var r := 2.56" " := 2\\.56"
 123 gdb_test "print r" " = 2\\.56.*" "Testing new r value"
 124
 125 gdb_test "cont" \
 126          "Breakpoint .*:${bp_location2}.*" \
 127          "Going to second breakpoint"
 128 gdb_test "next" "r := cos\\(u\\);" "Advance to 'r := cos(u)' line"
 129 gdb_test "print u" " = 3\\.14159.*" "Test pi value"
 130 gdb_test "next" "s := sin\\(u\\);" "Advance to 's := sin(u)' line"
 131 gdb_test "print r" " = -1" "Test cos(pi) is equal to -1"
 132 gdb_test "next" "" "Go past 's := sin(u)' line"
 133
 134 set msg "Test sin(pi) is equal to 0"
 135
 136 gdb_test_multiple "print s" $msg {
 137         -re ".* = (0|-?\[0-9\]\\.\[0-9\]*\[eE\](-?\[0-9\]*))\[\r\n\]+$gdb_prompt $" {
 138           set value "$expect_out(1,string)"
 139           verbose "value is $value" 1
 140           if [info exists expect_out(2,string)] {
 141             set expo $expect_out(2,string)
 142             verbose "expo found: $expo" 1
 143           } else {
 144             set expo "0"
 145             regsub  ".*\[eE\]" "$value" "" expo;
 146           }
 147           regsub  "^-" "$expo" "" mexpo;
 148           verbose "expo is $expo" 1
 149           verbose "mexpo is $mexpo" 1
 150           if { $value == 0 } {
 151             pass $msg
 152           } elseif {$mexpo > 8} {
 153             pass "$msg '$value' is close to zero"
 154           } else {
 155             fail "$msg '$value' too large"
 156           }
 157           verbose "Still here" 1
 158         }
 159 }