gdb/testsuite/gdb.fortran/exprs.exp

   1 # Copyright (C) 1994, 1997, 2005, 2007 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 2 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, write to the Free Software
  15 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  16
  17 # Please email any bugs, comments, and/or additions to this file to:
  18 # bug-gdb@prep.ai.mit.edu
  19
  20 # This file was adapted from old Chill tests by Stan Shebs
  21 # (shebs@cygnus.com).
  22
  23 if $tracelevel then {
  24         strace $tracelevel
  25 }
  26
  27 set prms_id 0
  28 set bug_id 0
  29
  30 # Set the current language to fortran.  This counts as a test.  If it
  31 # fails, then we skip the other tests.
  32
  33 proc set_lang_fortran {} {
  34     global gdb_prompt
  35
  36     if [gdb_test "set language fortran" ""] {
  37         return 0;
  38     }
  39
  40     if ![gdb_test "show language" ".* source language is \"fortran\".*"] {
  41         return 1;
  42     } else {
  43         return 0;
  44     }
  45 }
  46
  47 proc test_integer_literals_accepted {} {
  48     global gdb_prompt
  49
  50     # Test various decimal values.
  51
  52     gdb_test "p 123" " = 123"
  53     gdb_test "p -123" " = -123"
  54 }
  55
  56 proc test_character_literals_accepted {} {
  57     global gdb_prompt
  58
  59     # Test various character values.
  60
  61     gdb_test "p 'a'" " = 'a'"
  62
  63     # Test various substring expression.
  64     gdb_test "p 'abcdefg'(2:4)" " = 'bcd'"
  65     gdb_test "p 'abcdefg'(:3)"  " = 'abc'"
  66     gdb_test "p 'abcdefg'(5:)"  " = 'efg'"
  67     gdb_test "p 'abcdefg'(:)" " = 'abcdefg'"
  68
  69 }
  70
  71 proc test_integer_literals_rejected {} {
  72     global gdb_prompt
  73
  74     test_print_reject "p _"
  75 }
  76
  77 proc test_logical_literals_accepted {} {
  78     global gdb_prompt
  79
  80     # Test the only possible values for a logical, TRUE and FALSE.
  81
  82     gdb_test "p .TRUE." " = .TRUE."
  83     gdb_test "p .FALSE." " = .FALSE."
  84 }
  85
  86 proc test_float_literals_accepted {} {
  87     global gdb_prompt
  88
  89     # Test various floating point formats
  90
  91     gdb_test "p .44 .LT. .45" " = .TRUE."
  92     gdb_test "p .44 .GT. .45" " = .FALSE."
  93     gdb_test "p 0.44 .LT. 0.45" " = .TRUE."
  94     gdb_test "p 0.44 .GT. 0.45" " = .FALSE."
  95     gdb_test "p 44. .LT. 45." " = .TRUE."
  96     gdb_test "p 44. .GT. 45." " = .FALSE."
  97     gdb_test "p 44.0 .LT. 45.0" " = .TRUE."
  98     gdb_test "p 44.0 .GT. 45.0" " = .FALSE."
  99     gdb_test "p 10D20 .LT. 10D21" " = .TRUE."
 100     gdb_test "p 10D20 .GT. 10D21" " = .FALSE."
 101     gdb_test "p 10d20 .LT. 10d21" " = .TRUE."
 102     gdb_test "p 10d20 .GT. 10d21" " = .FALSE."
 103     gdb_test "p 10E20 .LT. 10E21" " = .TRUE."
 104     gdb_test "p 10E20 .GT. 10E21" " = .FALSE."
 105     gdb_test "p 10e20 .LT. 10e21" " = .TRUE."
 106     gdb_test "p 10e20 .GT. 10e21" " = .FALSE."
 107     gdb_test "p 10.D20 .LT. 10.D21" " = .TRUE."
 108     gdb_test "p 10.D20 .GT. 10.D21" " = .FALSE."
 109     gdb_test "p 10.d20 .LT. 10.d21" " = .TRUE."
 110     gdb_test "p 10.d20 .GT. 10.d21" " = .FALSE."
 111     gdb_test "p 10.E20 .LT. 10.E21" " = .TRUE."
 112     gdb_test "p 10.E20 .GT. 10.E21" " = .FALSE."
 113     gdb_test "p 10.e20 .LT. 10.e21" " = .TRUE."
 114     gdb_test "p 10.e20 .GT. 10.e21" " = .FALSE."
 115     gdb_test "p 10.0D20 .LT. 10.0D21" " = .TRUE."
 116     gdb_test "p 10.0D20 .GT. 10.0D21" " = .FALSE."
 117     gdb_test "p 10.0d20 .LT. 10.0d21" " = .TRUE."
 118     gdb_test "p 10.0d20 .GT. 10.0d21" " = .FALSE."
 119     gdb_test "p 10.0E20 .LT. 10.0E21" " = .TRUE."
 120     gdb_test "p 10.0E20 .GT. 10.0E21" " = .FALSE."
 121     gdb_test "p 10.0e20 .LT. 10.0e21" " = .TRUE."
 122     gdb_test "p 10.0e20 .GT. 10.0e21" " = .FALSE."
 123     gdb_test "p 10.0D+20 .LT. 10.0D+21" " = .TRUE."
 124     gdb_test "p 10.0D+20 .GT. 10.0D+21" " = .FALSE."
 125     gdb_test "p 10.0d+20 .LT. 10.0d+21" " = .TRUE."
 126     gdb_test "p 10.0d+20 .GT. 10.0d+21" " = .FALSE."
 127     gdb_test "p 10.0E+20 .LT. 10.0E+21" " = .TRUE."
 128     gdb_test "p 10.0E+20 .GT. 10.0E+21" " = .FALSE."
 129     gdb_test "p 10.0e+20 .LT. 10.0e+21" " = .TRUE."
 130     gdb_test "p 10.0e+20 .GT. 10.0e+21" " = .FALSE."
 131     gdb_test "p 10.0D-11 .LT. 10.0D-10" " = .TRUE."
 132     gdb_test "p 10.0D-11 .GT. 10.0D-10" " = .FALSE."
 133     gdb_test "p 10.0d-11 .LT. 10.0d-10" " = .TRUE."
 134     gdb_test "p 10.0d-11 .GT. 10.0d-10" " = .FALSE."
 135     gdb_test "p 10.0E-11 .LT. 10.0E-10" " = .TRUE."
 136     gdb_test "p 10.0E-11 .GT. 10.0E-10" " = .FALSE."
 137     gdb_test "p 10.0e-11 .LT. 10.0e-10" " = .TRUE."
 138     gdb_test "p 10.0e-11 .GT. 10.0e-10" " = .FALSE."
 139 }
 140
 141 proc test_convenience_variables {} {
 142     global gdb_prompt
 143
 144     gdb_test "set \$foo = 101"  " = 101\[\r\n\]*" \
 145         "Set a new convenience variable"
 146
 147     gdb_test "print \$foo"              " = 101" \
 148         "Print contents of new convenience variable"
 149
 150     gdb_test "set \$foo = 301"  " = 301\[\r\n\]*" \
 151         "Set convenience variable to a new value"
 152
 153     gdb_test "print \$foo"              " = 301" \
 154         "Print new contents of convenience variable"
 155
 156     gdb_test "set \$_ = 11"             " = 11\[\r\n\]*" \
 157         "Set convenience variable \$_"
 158
 159     gdb_test "print \$_"                " = 11" \
 160         "Print contents of convenience variable \$_"
 161
 162     gdb_test "print \$foo + 10" " = 311" \
 163         "Use convenience variable in arithmetic expression"
 164
 165     gdb_test "print (\$foo = 32) + 4"   " = 36" \
 166         "Use convenience variable assignment in arithmetic expression"
 167
 168     gdb_test "print \$bar"              " = VOID" \
 169         "Print contents of uninitialized convenience variable"
 170 }
 171
 172 proc test_value_history {} {
 173     global gdb_prompt
 174
 175     gdb_test "print 101"        "\\\$1 = 101" \
 176         "Set value-history\[1\] using \$1"
 177
 178     gdb_test "print 102"        "\\\$2 = 102" \
 179         "Set value-history\[2\] using \$2"
 180
 181     gdb_test "print 103"        "\\\$3 = 103" \
 182         "Set value-history\[3\] using \$3"
 183
 184     gdb_test "print \$\$"       "\\\$4 = 102" \
 185         "Print value-history\[MAX-1\] using inplicit index \$\$"
 186
 187     gdb_test "print \$\$"       "\\\$5 = 103" \
 188         "Print value-history\[MAX-1\] again using implicit index \$\$"
 189
 190     gdb_test "print \$" "\\\$6 = 103" \
 191         "Print value-history\[MAX\] using implicit index \$"
 192
 193     gdb_test "print \$\$2"      "\\\$7 = 102" \
 194         "Print value-history\[MAX-2\] using explicit index \$\$2"
 195
 196     gdb_test "print \$0"        "\\\$8 = 102" \
 197         "Print value-history\[MAX\] using explicit index \$0"
 198
 199     gdb_test "print 108"        "\\\$9 = 108" ""
 200
 201     gdb_test "print \$\$0"      "\\\$10 = 108" \
 202         "Print value-history\[MAX\] using explicit index \$\$0"
 203
 204     gdb_test "print \$1"        "\\\$11 = 101" \
 205         "Print value-history\[1\] using explicit index \$1"
 206
 207     gdb_test "print \$2"        "\\\$12 = 102" \
 208         "Print value-history\[2\] using explicit index \$2"
 209
 210     gdb_test "print \$3"        "\\\$13 = 103" \
 211         "Print value-history\[3\] using explicit index \$3"
 212
 213     gdb_test "print \$-3"       "\\\$14 = 100" \
 214         "Print (value-history\[MAX\] - 3) using implicit index \$"
 215
 216     gdb_test "print \$1 + 3"    "\\\$15 = 104" \
 217         "Use value-history element in arithmetic expression"
 218 }
 219
 220 proc test_arithmetic_expressions {} {
 221     global gdb_prompt
 222
 223     # Test unary minus with various operands
 224
 225 #    gdb_test "p -(TRUE)"       " = -1" "unary minus applied to bool"
 226 #    gdb_test "p -('a')"        " = xxx"        "unary minus applied to char"
 227     gdb_test "p -(1)"           " = -1" "unary minus applied to int"
 228     gdb_test "p -(1.0)" " = -1" "unary minus applied to real"
 229
 230     # Test addition with various operands
 231
 232     gdb_test "p .TRUE. + 1"     " = 2"  "bool plus int"
 233     gdb_test "p 1 + 1"          " = 2"  "int plus int"
 234     gdb_test "p 1.0 + 1"        " = 2"  "real plus int"
 235     gdb_test "p 1.0 + 2.0"      " = 3"  "real plus real"
 236
 237     # Test subtraction with various operands
 238
 239     gdb_test "p .TRUE. - 1"     " = 0"  "bool minus int"
 240     gdb_test "p 3 - 1"          " = 2"  "int minus int"
 241     gdb_test "p 3.0 - 1"        " = 2"  "real minus int"
 242     gdb_test "p 5.0 - 2.0"      " = 3"  "real minus real"
 243
 244     # Test multiplication with various operands
 245
 246     gdb_test "p .TRUE. * 1"     " = 1"  "bool times int"
 247     gdb_test "p 2 * 3"          " = 6"  "int times int"
 248     gdb_test "p 2.0 * 3"        " = 6"  "real times int"
 249     gdb_test "p 2.0 * 3.0"      " = 6"  "real times real"
 250
 251     # Test division with various operands
 252
 253     gdb_test "p .TRUE. / 1"     " = 1"  "bool divided by int"
 254     gdb_test "p 6 / 3"          " = 2"  "int divided by int"
 255     gdb_test "p 6.0 / 3"        " = 2"  "real divided by int"
 256     gdb_test "p 6.0 / 3.0"      " = 2"  "real divided by real"
 257
 258     # Test exponentiation with various operands
 259
 260     gdb_test "p 2 ** 3" " = 8" "int powered by int"
 261     gdb_test "p 2 ** 2 ** 3" " = 256" "combined exponentiation expression"
 262     gdb_test "p (2 ** 2) ** 3" " = 64" "combined exponentiation expression in specified order"
 263     gdb_test "p 4 ** 0.5" " = 2" "int powered by real"
 264     gdb_test "p 4.0 ** 0.5" " = 2" "real powered by real"
 265
 266 }
 267
 268 # Start with a fresh gdb.
 269
 270 gdb_exit
 271 gdb_start
 272 gdb_reinitialize_dir $srcdir/$subdir
 273
 274 gdb_test "set print sevenbit-strings" ""
 275
 276 if [set_lang_fortran] then {
 277     test_value_history
 278     test_convenience_variables
 279     test_integer_literals_accepted
 280     test_integer_literals_rejected
 281     test_logical_literals_accepted
 282     test_character_literals_accepted
 283     test_float_literals_accepted
 284     test_arithmetic_expressions
 285 } else {
 286     warning "$test_name tests suppressed." 0
 287 }