gdb/testsuite/gdb.fortran/exprs.exp

   1 # Copyright (C) 1994-2021 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 # This file was adapted from old Chill tests by Stan Shebs
  17 # (shebs@cygnus.com).
  18
  19 load_lib "fortran.exp"
  20
  21 if { [skip_fortran_tests] } { continue }
  22
  23 proc test_integer_literals_accepted {} {
  24     global gdb_prompt
  25
  26     # Test various decimal values.
  27
  28     gdb_test "p 123" " = 123"
  29     gdb_test "p -123" " = -123"
  30 }
  31
  32 proc test_character_literals_accepted {} {
  33     global gdb_prompt
  34
  35     # Test various character values.
  36
  37     gdb_test "p 'a'" " = 'a'"
  38
  39     # Test various substring expression.
  40     gdb_test "p 'abcdefg'(2:4)" " = 'bcd'"
  41     gdb_test "p 'abcdefg'(:3)"  " = 'abc'"
  42     gdb_test "p 'abcdefg'(5:)"  " = 'efg'"
  43     gdb_test "p 'abcdefg'(:)" " = 'abcdefg'"
  44
  45 }
  46
  47 proc test_integer_literals_rejected {} {
  48     global gdb_prompt
  49
  50     test_print_reject "p _"
  51 }
  52
  53 proc test_logical_literals_accepted {} {
  54     global gdb_prompt
  55
  56     # Test the only possible values for a logical, TRUE and FALSE.
  57
  58     gdb_test "p .TRUE." " = .TRUE."
  59     gdb_test "p .FALSE." " = .FALSE."
  60 }
  61
  62 proc test_float_literals_accepted {} {
  63     global gdb_prompt
  64
  65     # Test various floating point formats
  66
  67     gdb_test "p .44 .LT. .45" " = .TRUE."
  68     gdb_test "p .44 .GT. .45" " = .FALSE."
  69     gdb_test "p 0.44 .LT. 0.45" " = .TRUE."
  70     gdb_test "p 0.44 .GT. 0.45" " = .FALSE."
  71     gdb_test "p 44. .LT. 45." " = .TRUE."
  72     gdb_test "p 44. .GT. 45." " = .FALSE."
  73     gdb_test "p 44.0 .LT. 45.0" " = .TRUE."
  74     gdb_test "p 44.0 .GT. 45.0" " = .FALSE."
  75     gdb_test "p 10D20 .LT. 10D21" " = .TRUE."
  76     gdb_test "p 10D20 .GT. 10D21" " = .FALSE."
  77     gdb_test "p 10d20 .LT. 10d21" " = .TRUE."
  78     gdb_test "p 10d20 .GT. 10d21" " = .FALSE."
  79     gdb_test "p 10E20 .LT. 10E21" " = .TRUE."
  80     gdb_test "p 10E20 .GT. 10E21" " = .FALSE."
  81     gdb_test "p 10e20 .LT. 10e21" " = .TRUE."
  82     gdb_test "p 10e20 .GT. 10e21" " = .FALSE."
  83     gdb_test "p 10.D20 .LT. 10.D21" " = .TRUE."
  84     gdb_test "p 10.D20 .GT. 10.D21" " = .FALSE."
  85     gdb_test "p 10.d20 .LT. 10.d21" " = .TRUE."
  86     gdb_test "p 10.d20 .GT. 10.d21" " = .FALSE."
  87     gdb_test "p 10.E20 .LT. 10.E21" " = .TRUE."
  88     gdb_test "p 10.E20 .GT. 10.E21" " = .FALSE."
  89     gdb_test "p 10.e20 .LT. 10.e21" " = .TRUE."
  90     gdb_test "p 10.e20 .GT. 10.e21" " = .FALSE."
  91     gdb_test "p 10.0D20 .LT. 10.0D21" " = .TRUE."
  92     gdb_test "p 10.0D20 .GT. 10.0D21" " = .FALSE."
  93     gdb_test "p 10.0d20 .LT. 10.0d21" " = .TRUE."
  94     gdb_test "p 10.0d20 .GT. 10.0d21" " = .FALSE."
  95     gdb_test "p 10.0E20 .LT. 10.0E21" " = .TRUE."
  96     gdb_test "p 10.0E20 .GT. 10.0E21" " = .FALSE."
  97     gdb_test "p 10.0e20 .LT. 10.0e21" " = .TRUE."
  98     gdb_test "p 10.0e20 .GT. 10.0e21" " = .FALSE."
  99     gdb_test "p 10.0D+20 .LT. 10.0D+21" " = .TRUE."
 100     gdb_test "p 10.0D+20 .GT. 10.0D+21" " = .FALSE."
 101     gdb_test "p 10.0d+20 .LT. 10.0d+21" " = .TRUE."
 102     gdb_test "p 10.0d+20 .GT. 10.0d+21" " = .FALSE."
 103     gdb_test "p 10.0E+20 .LT. 10.0E+21" " = .TRUE."
 104     gdb_test "p 10.0E+20 .GT. 10.0E+21" " = .FALSE."
 105     gdb_test "p 10.0e+20 .LT. 10.0e+21" " = .TRUE."
 106     gdb_test "p 10.0e+20 .GT. 10.0e+21" " = .FALSE."
 107     gdb_test "p 10.0D-11 .LT. 10.0D-10" " = .TRUE."
 108     gdb_test "p 10.0D-11 .GT. 10.0D-10" " = .FALSE."
 109     gdb_test "p 10.0d-11 .LT. 10.0d-10" " = .TRUE."
 110     gdb_test "p 10.0d-11 .GT. 10.0d-10" " = .FALSE."
 111     gdb_test "p 10.0E-11 .LT. 10.0E-10" " = .TRUE."
 112     gdb_test "p 10.0E-11 .GT. 10.0E-10" " = .FALSE."
 113     gdb_test "p 10.0e-11 .LT. 10.0e-10" " = .TRUE."
 114     gdb_test "p 10.0e-11 .GT. 10.0e-10" " = .FALSE."
 115 }
 116
 117 proc test_convenience_variables {} {
 118     global gdb_prompt
 119
 120     gdb_test "set \$foo = 101"  " = 101\[\r\n\]*" \
 121         "Set a new convenience variable"
 122
 123     gdb_test "print \$foo"              " = 101" \
 124         "Print contents of new convenience variable"
 125
 126     gdb_test "set \$foo = 301"  " = 301\[\r\n\]*" \
 127         "Set convenience variable to a new value"
 128
 129     gdb_test "print \$foo"              " = 301" \
 130         "Print new contents of convenience variable"
 131
 132     gdb_test "set \$_ = 11"             " = 11\[\r\n\]*" \
 133         "Set convenience variable \$_"
 134
 135     gdb_test "print \$_"                " = 11" \
 136         "Print contents of convenience variable \$_"
 137
 138     gdb_test "print \$foo + 10" " = 311" \
 139         "Use convenience variable in arithmetic expression"
 140
 141     gdb_test "print (\$foo = 32) + 4"   " = 36" \
 142         "Use convenience variable assignment in arithmetic expression"
 143
 144     gdb_test "print \$bar"              " = void" \
 145         "Print contents of uninitialized convenience variable"
 146 }
 147
 148 proc test_value_history {} {
 149     global gdb_prompt
 150
 151     gdb_test "print 101"        "\\\$1 = 101" \
 152         "Set value-history\[1\] using \$1"
 153
 154     gdb_test "print 102"        "\\\$2 = 102" \
 155         "Set value-history\[2\] using \$2"
 156
 157     gdb_test "print 103"        "\\\$3 = 103" \
 158         "Set value-history\[3\] using \$3"
 159
 160     gdb_test "print \$\$"       "\\\$4 = 102" \
 161         "Print value-history\[MAX-1\] using inplicit index \$\$"
 162
 163     gdb_test "print \$\$"       "\\\$5 = 103" \
 164         "Print value-history\[MAX-1\] again using implicit index \$\$"
 165
 166     gdb_test "print \$" "\\\$6 = 103" \
 167         "Print value-history\[MAX\] using implicit index \$"
 168
 169     gdb_test "print \$\$2"      "\\\$7 = 102" \
 170         "Print value-history\[MAX-2\] using explicit index \$\$2"
 171
 172     gdb_test "print \$0"        "\\\$8 = 102" \
 173         "Print value-history\[MAX\] using explicit index \$0"
 174
 175     gdb_test "print 108"        "\\\$9 = 108" ""
 176
 177     gdb_test "print \$\$0"      "\\\$10 = 108" \
 178         "Print value-history\[MAX\] using explicit index \$\$0"
 179
 180     gdb_test "print \$1"        "\\\$11 = 101" \
 181         "Print value-history\[1\] using explicit index \$1"
 182
 183     gdb_test "print \$2"        "\\\$12 = 102" \
 184         "Print value-history\[2\] using explicit index \$2"
 185
 186     gdb_test "print \$3"        "\\\$13 = 103" \
 187         "Print value-history\[3\] using explicit index \$3"
 188
 189     gdb_test "print \$-3"       "\\\$14 = 100" \
 190         "Print (value-history\[MAX\] - 3) using implicit index \$"
 191
 192     gdb_test "print \$1 + 3"    "\\\$15 = 104" \
 193         "Use value-history element in arithmetic expression"
 194 }
 195
 196 proc test_arithmetic_expressions {} {
 197     global gdb_prompt
 198
 199     # Test unary minus with various operands
 200
 201 #    gdb_test "p -(TRUE)"       " = -1" "unary minus applied to bool"
 202 #    gdb_test "p -('a')"        " = xxx"        "unary minus applied to char"
 203     gdb_test "p -(1)"           " = -1" "unary minus applied to int"
 204     gdb_test "p -(1.0)" " = -1" "unary minus applied to real"
 205
 206     # Test addition with various operands
 207
 208     gdb_test "p .TRUE. + 1"     " = 2"  "bool plus int"
 209     gdb_test "p 1 + 1"          " = 2"  "int plus int"
 210     gdb_test "p 1.0 + 1"        " = 2"  "real plus int"
 211     gdb_test "p 1.0 + 2.0"      " = 3"  "real plus real"
 212
 213     # Test subtraction with various operands
 214
 215     gdb_test "p .TRUE. - 1"     " = 0"  "bool minus int"
 216     gdb_test "p 3 - 1"          " = 2"  "int minus int"
 217     gdb_test "p 3.0 - 1"        " = 2"  "real minus int"
 218     gdb_test "p 5.0 - 2.0"      " = 3"  "real minus real"
 219
 220     # Test multiplication with various operands
 221
 222     gdb_test "p .TRUE. * 1"     " = 1"  "bool times int"
 223     gdb_test "p 2 * 3"          " = 6"  "int times int"
 224     gdb_test "p 2.0 * 3"        " = 6"  "real times int"
 225     gdb_test "p 2.0 * 3.0"      " = 6"  "real times real"
 226
 227     # Test division with various operands
 228
 229     gdb_test "p .TRUE. / 1"     " = 1"  "bool divided by int"
 230     gdb_test "p 6 / 3"          " = 2"  "int divided by int"
 231     gdb_test "p 6.0 / 3"        " = 2"  "real divided by int"
 232     gdb_test "p 6.0 / 3.0"      " = 2"  "real divided by real"
 233
 234     # Test exponentiation with various operands
 235
 236     gdb_test "p 2 ** 3" " = 8" "int powered by int"
 237     gdb_test "p 2 ** 2 ** 3" " = 256" "combined exponentiation expression"
 238     gdb_test "p (2 ** 2) ** 3" " = 64" "combined exponentiation expression in specified order"
 239     gdb_test "p 4 ** 0.5" " = 2" "int powered by real"
 240     gdb_test "p 4.0 ** 0.5" " = 2" "real powered by real"
 241
 242 }
 243
 244 # Start with a fresh gdb.
 245
 246 gdb_exit
 247 gdb_start
 248 gdb_reinitialize_dir $srcdir/$subdir
 249
 250 gdb_test "set print sevenbit-strings" ""
 251
 252 if [set_lang_fortran] then {
 253     test_value_history
 254     test_convenience_variables
 255     test_integer_literals_accepted
 256     test_integer_literals_rejected
 257     test_logical_literals_accepted
 258     test_character_literals_accepted
 259     test_float_literals_accepted
 260     test_arithmetic_expressions
 261 } else {
 262     warning "$test_name tests suppressed." 0
 263 }