gdb/testsuite/gdb.go/integers.exp

   1 # This testcase is part of GDB, the GNU debugger.
   2
   3 # Copyright 2012-2020 Free Software Foundation, Inc.
   4 #
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 3 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 # Test integer expressions.
  19
  20 load_lib "go.exp"
  21
  22 if { [skip_go_tests] } { continue }
  23
  24 standard_testfile .go
  25
  26 if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile} {debug go}] } {
  27     return -1
  28 }
  29
  30 set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
  31 set bp_location2 [gdb_get_line_number "set breakpoint 2 here"]
  32
  33 if { [go_runto_main] < 0 } {
  34     untested "could not run to main"
  35     return -1
  36 }
  37
  38 if { [gdb_breakpoint ${srcfile}:${bp_location1}] } {
  39     pass "setting breakpoint 1"
  40 }
  41
  42 gdb_test "cont" "Breakpoint .*:${bp_location1}.*" "going to first breakpoint"
  43
  44 gdb_test "print i" ".* = 0" "print i before assigned to 1"
  45
  46 gdb_test "next" "i = 1" "next to 'i = 1' line"
  47 gdb_test "next" "j = 2" "next to 'j = 2' line"
  48 # At that point,
  49 # i should be equal to 1
  50 gdb_test "print i" " = 1"
  51 # but j should still be equal to zero
  52 gdb_test "print j" " = 0" "test j value before assignment"
  53
  54 gdb_test "next" "k = 3" "next to 'k = 3' line"
  55 gdb_test "next" "l = k" "next to 'l = k' line"
  56
  57 #j should be equal to 2
  58 gdb_test "print j" " = 2"
  59 # k should be equal to 3
  60 gdb_test "print k" " = 3"
  61 # But l should still be zero
  62 gdb_test "print l" " = 0"
  63
  64 # Test addition
  65 gdb_test "print i + j" " = 3"
  66 gdb_test "print i + k" " = 4"
  67 gdb_test "print j + k" " = 5"
  68 gdb_test "print i + j + k" " = 6"
  69
  70 # Test substraction
  71 gdb_test "print j - i" " = 1"
  72 gdb_test "print i - j" "= -1"
  73 gdb_test "print k -i -j" " = 0"
  74 gdb_test "print k -(i + j)" " = 0"
  75
  76 # Test unany minus
  77 gdb_test "print -i" " = -1"
  78 gdb_test "print (-i)" " = -1"
  79 gdb_test "print -(i)" " = -1"
  80 gdb_test "print -(i+j)" " = -3"
  81
  82 # Test boolean operators =, <>, <, <=, > and >=
  83 gdb_test "print i + 1 == j" " = true"
  84 gdb_test "print i + 1 != j" " = false"
  85 gdb_test "print i + 1 < j" " = false"
  86 gdb_test "print i + 1 <= j" " = true"
  87 gdb_test "print i + 1 > j" " = false"
  88 gdb_test "print i + 1 >= j" " = true"
  89
  90 # Test multiplication
  91 gdb_test "print 2 * i" " = 2"
  92 gdb_test "print j * k" " = 6"
  93 gdb_test "print 3000*i" " = 3000"
  94
  95 #Test div and mod operators
  96 gdb_test "print 35 / 2" " = 17"
  97 gdb_test "print 35 % 2" " = 1"
  98
  99 # Test several operators together
 100 gdb_test "print i+10*j+100*k" " = 321"
 101 gdb_test " print (i + 5) * (j + 7)" " = 54"
 102
 103 gdb_test "set var i = 2" " = 2"
 104 gdb_test "print i" " = 2" "testing new i value"
 105
 106 if { [gdb_breakpoint ${srcfile}:${bp_location2}] } {
 107     pass "setting breakpoint 2"
 108 }
 109
 110 gdb_test "cont" \
 111          "Breakpoint .*:${bp_location2}.*" \
 112          "Going to second breakpoint"
 113 gdb_test "print i" \
 114          ".* = 5.*" \
 115          "value of i after assignment"