gdb/testsuite/gdb.pascal/floats.exp

   1 # Copyright 2007-2022 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 load_lib "pascal.exp"
  17
  18 standard_testfile .pas
  19
  20 if {[gdb_compile_pascal "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug ]] != "" } {
  21     untested "failed to compile"
  22     return -1
  23 }
  24
  25 clean_restart ${testfile}
  26
  27 set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
  28 set bp_location2 [gdb_get_line_number "set breakpoint 2 here"]
  29
  30 if { [gdb_breakpoint ${srcfile}:${bp_location1}] } {
  31     pass "setting breakpoint 1"
  32 }
  33 if { [gdb_breakpoint ${srcfile}:${bp_location2}] } {
  34     pass "setting breakpoint 2"
  35 }
  36
  37 # Verify that "start" lands inside the right procedure.
  38 if { [gdb_start_cmd] < 0 } {
  39     untested start
  40     return -1
  41 }
  42
  43 gdb_test "" ".* at .*${srcfile}.*" "start"
  44
  45 gdb_test "cont" "Breakpoint .*:${bp_location1}.*" "going to first breakpoint"
  46 gdb_test "print r" ".* = 0" "print r before assigned to 1.25"
  47
  48 gdb_test "next" "r := 1\\.25;" "next to 'r := 1.25' line"
  49 gdb_test "next" "s := 2\\.2;" "next to 's := 2.2' line"
  50 gdb_test "next" "t := -3\\.2;" "next to 't := -3.2' line"
  51 gdb_test "next" "u := 78\\.3;" "next to 'u := 78.3' line"
  52 gdb_test "next" "l := 1;" "next to 'l := 1' line"
  53 gdb_test "next" "i := 1;" "next to 'i := 1' line"
  54
  55 # At that point,
  56 # r should be equal to 1.25
  57 gdb_test "print r" " = 1\\.25"
  58 # s should be equal to 2.2
  59 gdb_test "print s" " = 2\\.(199.*|2|200.*)"
  60 # t should be equal to -3.2
  61 gdb_test "print t" " = -3\\.(199.*|2|200.*)"
  62 # u should be equal to 78.3
  63 gdb_test "print u" " = 78\\.(3|300.*|299.*)"
  64
  65 # Test addition
  66 gdb_test "print r + s" " = 3\\.4(499.*|5|500.*)"
  67 gdb_test "print r + t" " = -1\\.9(499.*|5|500.*)"
  68
  69 #Test addition with float constants
  70 gdb_test "print r + 1.5" " = 2\\.7(499.*|5|500.*)"
  71 gdb_test "print r + 0.03" " = 1\\.2(799.*|8|800.*)"
  72 gdb_test "print r + (-0.2)" " = 1\\.0(499.*|5|500.*)"
  73 gdb_test "print r + 1.5E+3" " = 1501\\.2(499.*|5|500.*)"
  74 gdb_test "print r + 1.5E+2" " = 151\\.2(499.*|5|500.*)"
  75 gdb_test "print r + 1.5E+1" " = 16\\.2(499.*|5|500.*)"
  76 gdb_test "print r + 1.5E+0" " = 2\\.7(499.*|5|500.*)"
  77 gdb_test "print r + 1.5E-1" " = 1\\.(399.*|4|400.*)"
  78 gdb_test "print r + 1.5E-2" " = 1\\.26(499.*|5|500.*)"
  79 gdb_test "print r + 1.5E-3" " = 1\\.251(499.*|5|500.*)"
  80
  81 # Test addition with integer variables
  82 gdb_test "print r + l" " = 2\\.2(499.*|5|500.*)"
  83 gdb_test "print l + t" " = -2\\.(199.*|2|200.*)"
  84
  85 # Test addition with integer constants
  86 gdb_test "print r + 10" " = 11\\.2(499.*|5|500.*)"
  87 gdb_test "print r + 5" " = 6\\.2(499.*|5|500.*)"
  88 gdb_test "print r + 1" " = 2\\.2(499.*|5|500.*)"
  89 gdb_test "print r + 0" " = 1\\.2(499.*|5|500.*)"
  90 gdb_test "print r + (-1)" " = 0\\.2(499.*|5|500.*)"
  91 gdb_test "print r + (-5)" " = -3\\.7(499.*|5|500.*)"
  92 gdb_test "print r + (-10)" " = -8\\.7(499.*|5|500.*)"
  93
  94 # Test substraction
  95 gdb_test "print r - s" " = -0\\.9(499.*|5|500.*)"
  96 gdb_test "print r - t" " = 4\\.4(499.*|5|500.*)"
  97
  98 # Test unany minus
  99 gdb_test "print -r" " = -1\\.2(499.*|5|500.*)"
 100 gdb_test "print (-r)" " = -1\\.2(499.*|5|500.*)"
 101 gdb_test "print -(r)" " = -1.2(499.*|5|500.*)"
 102 gdb_test "print -(r + s)" " = -3\\.4(499.*|5|500.*)"
 103
 104 # Test multiplication
 105 gdb_test "print 2 * r" " = 2\\.(499.*|5|500.*)"
 106 gdb_test "print 2.0 * r" " = 2\\.(499.*|5|500.*)"
 107 gdb_test "print 1000*r" " = 12(49\\.99.*|50|50\\.00.*)"
 108
 109 #Test division
 110 gdb_test "print r / 2" " = 0\\.62(499.*|5|500.*)"
 111 gdb_test "print 35 / 2" " = 17\\.(499.*|5|500.*)"
 112
 113 # 'set r' does not work, as there are set sub-commands starting with 'r'
 114 # Thus we need to use 'set var r'
 115 gdb_test "set var r := 2.56" " := 2\\.56"
 116 gdb_test "print r" " = 2\\.5(599.*|6|600.*)" "testing new r value"
 117
 118 gdb_test "cont" \
 119          "Breakpoint .*:${bp_location2}.*" \
 120          "Going to second breakpoint"
 121 gdb_test "next" "r := cos\\(u\\);" "advance to 'r := cos(u)' line"
 122 gdb_test "print u" " = 3\\.14159.*" "test pi value"
 123 gdb_test "next" "s := sin\\(u\\);" "advance to 's := sin(u)' line"
 124 gdb_test "print r" " = -1" "test cos(pi) is equal to -1"
 125 gdb_test "next" "" "go past 's := sin(u)' line"
 126
 127 set msg "Test sin(pi) is equal to 0"
 128
 129 gdb_test_multiple "print s" $msg {
 130         -re ".* = (0|-?\[0-9\]\\.\[0-9\]*\[eE\](-?\[0-9\]*))\[\r\n\]+$gdb_prompt $" {
 131           set value "$expect_out(1,string)"
 132           verbose "value is $value" 1
 133           if [info exists expect_out(2,string)] {
 134             set expo $expect_out(2,string)
 135             verbose "expo found: $expo" 1
 136           } else {
 137             set expo "0"
 138             regsub  ".*\[eE\]" "$value" "" expo
 139           }
 140           regsub  "^-" "$expo" "" mexpo
 141           verbose "expo is $expo" 1
 142           verbose "mexpo is $mexpo" 1
 143           if { $value == 0 } {
 144             pass $msg
 145           } elseif {$mexpo > 8} {
 146             pass "$msg '$value' is close to zero"
 147           } else {
 148             fail "$msg '$value' too large"
 149           }
 150           verbose "Still here" 1
 151         }
 152 }