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integers.exp revision 1.7 
      1 # This testcase is part of GDB, the GNU debugger.
      2 
      3 # Copyright 2012-2017 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"
    116