summaryrefslogtreecommitdiff
path: root/gdb/testsuite/gdb.fortran/exprs.exp
blob: 801f32be8a56ab59a5e7440a57ccc8a3c980c759 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
# Copyright (C) 1994-2018 Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

# This file was adapted from old Chill tests by Stan Shebs
# (shebs@cygnus.com).

load_lib "fortran.exp"

if { [skip_fortran_tests] } { continue }

proc test_integer_literals_accepted {} {
    global gdb_prompt

    # Test various decimal values.

    gdb_test "p 123" " = 123"
    gdb_test "p -123" " = -123"
}

proc test_character_literals_accepted {} {
    global gdb_prompt

    # Test various character values.

    gdb_test "p 'a'" " = 'a'"

    # Test various substring expression.
    gdb_test "p 'abcdefg'(2:4)" " = 'bcd'"
    gdb_test "p 'abcdefg'(:3)"  " = 'abc'"
    gdb_test "p 'abcdefg'(5:)"  " = 'efg'"
    gdb_test "p 'abcdefg'(:)" " = 'abcdefg'"

}

proc test_integer_literals_rejected {} {
    global gdb_prompt

    test_print_reject "p _"
}

proc test_logical_literals_accepted {} {
    global gdb_prompt

    # Test the only possible values for a logical, TRUE and FALSE.

    gdb_test "p .TRUE." " = .TRUE."
    gdb_test "p .FALSE." " = .FALSE."
}

proc test_float_literals_accepted {} {
    global gdb_prompt

    # Test various floating point formats

    gdb_test "p .44 .LT. .45" " = .TRUE."
    gdb_test "p .44 .GT. .45" " = .FALSE."
    gdb_test "p 0.44 .LT. 0.45" " = .TRUE."
    gdb_test "p 0.44 .GT. 0.45" " = .FALSE."
    gdb_test "p 44. .LT. 45." " = .TRUE."
    gdb_test "p 44. .GT. 45." " = .FALSE."
    gdb_test "p 44.0 .LT. 45.0" " = .TRUE."
    gdb_test "p 44.0 .GT. 45.0" " = .FALSE."
    gdb_test "p 10D20 .LT. 10D21" " = .TRUE."
    gdb_test "p 10D20 .GT. 10D21" " = .FALSE."
    gdb_test "p 10d20 .LT. 10d21" " = .TRUE."
    gdb_test "p 10d20 .GT. 10d21" " = .FALSE."
    gdb_test "p 10E20 .LT. 10E21" " = .TRUE."
    gdb_test "p 10E20 .GT. 10E21" " = .FALSE."
    gdb_test "p 10e20 .LT. 10e21" " = .TRUE."
    gdb_test "p 10e20 .GT. 10e21" " = .FALSE."
    gdb_test "p 10.D20 .LT. 10.D21" " = .TRUE."
    gdb_test "p 10.D20 .GT. 10.D21" " = .FALSE."
    gdb_test "p 10.d20 .LT. 10.d21" " = .TRUE."
    gdb_test "p 10.d20 .GT. 10.d21" " = .FALSE."
    gdb_test "p 10.E20 .LT. 10.E21" " = .TRUE."
    gdb_test "p 10.E20 .GT. 10.E21" " = .FALSE."
    gdb_test "p 10.e20 .LT. 10.e21" " = .TRUE."
    gdb_test "p 10.e20 .GT. 10.e21" " = .FALSE."
    gdb_test "p 10.0D20 .LT. 10.0D21" " = .TRUE."
    gdb_test "p 10.0D20 .GT. 10.0D21" " = .FALSE."
    gdb_test "p 10.0d20 .LT. 10.0d21" " = .TRUE."
    gdb_test "p 10.0d20 .GT. 10.0d21" " = .FALSE."
    gdb_test "p 10.0E20 .LT. 10.0E21" " = .TRUE."
    gdb_test "p 10.0E20 .GT. 10.0E21" " = .FALSE."
    gdb_test "p 10.0e20 .LT. 10.0e21" " = .TRUE."
    gdb_test "p 10.0e20 .GT. 10.0e21" " = .FALSE."
    gdb_test "p 10.0D+20 .LT. 10.0D+21" " = .TRUE."
    gdb_test "p 10.0D+20 .GT. 10.0D+21" " = .FALSE."
    gdb_test "p 10.0d+20 .LT. 10.0d+21" " = .TRUE."
    gdb_test "p 10.0d+20 .GT. 10.0d+21" " = .FALSE."
    gdb_test "p 10.0E+20 .LT. 10.0E+21" " = .TRUE."
    gdb_test "p 10.0E+20 .GT. 10.0E+21" " = .FALSE."
    gdb_test "p 10.0e+20 .LT. 10.0e+21" " = .TRUE."
    gdb_test "p 10.0e+20 .GT. 10.0e+21" " = .FALSE."
    gdb_test "p 10.0D-11 .LT. 10.0D-10" " = .TRUE."
    gdb_test "p 10.0D-11 .GT. 10.0D-10" " = .FALSE."
    gdb_test "p 10.0d-11 .LT. 10.0d-10" " = .TRUE."
    gdb_test "p 10.0d-11 .GT. 10.0d-10" " = .FALSE."
    gdb_test "p 10.0E-11 .LT. 10.0E-10" " = .TRUE."
    gdb_test "p 10.0E-11 .GT. 10.0E-10" " = .FALSE."
    gdb_test "p 10.0e-11 .LT. 10.0e-10" " = .TRUE."
    gdb_test "p 10.0e-11 .GT. 10.0e-10" " = .FALSE."
}

proc test_convenience_variables {} {
    global gdb_prompt

    gdb_test "set \$foo = 101"	" = 101\[\r\n\]*" \
	"Set a new convenience variable"

    gdb_test "print \$foo"		" = 101" \
	"Print contents of new convenience variable"

    gdb_test "set \$foo = 301"	" = 301\[\r\n\]*" \
	"Set convenience variable to a new value"

    gdb_test "print \$foo"		" = 301" \
	"Print new contents of convenience variable"

    gdb_test "set \$_ = 11"		" = 11\[\r\n\]*" \
	"Set convenience variable \$_"

    gdb_test "print \$_"		" = 11" \
	"Print contents of convenience variable \$_"

    gdb_test "print \$foo + 10"	" = 311" \
	"Use convenience variable in arithmetic expression"

    gdb_test "print (\$foo = 32) + 4"	" = 36" \
	"Use convenience variable assignment in arithmetic expression"

    gdb_test "print \$bar"		" = VOID" \
	"Print contents of uninitialized convenience variable"
}

proc test_value_history {} {
    global gdb_prompt

    gdb_test "print 101"	"\\\$1 = 101" \
	"Set value-history\[1\] using \$1"

    gdb_test "print 102" 	"\\\$2 = 102" \
	"Set value-history\[2\] using \$2"

    gdb_test "print 103"	"\\\$3 = 103" \
	"Set value-history\[3\] using \$3"

    gdb_test "print \$\$"	"\\\$4 = 102" \
	"Print value-history\[MAX-1\] using inplicit index \$\$"

    gdb_test "print \$\$"	"\\\$5 = 103" \
	"Print value-history\[MAX-1\] again using implicit index \$\$"

    gdb_test "print \$"	"\\\$6 = 103" \
	"Print value-history\[MAX\] using implicit index \$"

    gdb_test "print \$\$2"	"\\\$7 = 102" \
	"Print value-history\[MAX-2\] using explicit index \$\$2"

    gdb_test "print \$0"	"\\\$8 = 102" \
	"Print value-history\[MAX\] using explicit index \$0"

    gdb_test "print 108"	"\\\$9 = 108" ""

    gdb_test "print \$\$0"	"\\\$10 = 108" \
	"Print value-history\[MAX\] using explicit index \$\$0"

    gdb_test "print \$1"	"\\\$11 = 101" \
	"Print value-history\[1\] using explicit index \$1"

    gdb_test "print \$2"	"\\\$12 = 102" \
	"Print value-history\[2\] using explicit index \$2"

    gdb_test "print \$3"	"\\\$13 = 103" \
	"Print value-history\[3\] using explicit index \$3"

    gdb_test "print \$-3"	"\\\$14 = 100" \
	"Print (value-history\[MAX\] - 3) using implicit index \$"

    gdb_test "print \$1 + 3"	"\\\$15 = 104" \
	"Use value-history element in arithmetic expression"
}

proc test_arithmetic_expressions {} {
    global gdb_prompt

    # Test unary minus with various operands

#    gdb_test "p -(TRUE)"	" = -1"	"unary minus applied to bool"
#    gdb_test "p -('a')"	" = xxx"	"unary minus applied to char"
    gdb_test "p -(1)"		" = -1"	"unary minus applied to int"
    gdb_test "p -(1.0)"	" = -1"	"unary minus applied to real"

    # Test addition with various operands

    gdb_test "p .TRUE. + 1"	" = 2"	"bool plus int"
    gdb_test "p 1 + 1"		" = 2"	"int plus int"
    gdb_test "p 1.0 + 1"	" = 2"	"real plus int"
    gdb_test "p 1.0 + 2.0"	" = 3"	"real plus real"

    # Test subtraction with various operands

    gdb_test "p .TRUE. - 1"	" = 0"	"bool minus int"
    gdb_test "p 3 - 1"		" = 2"	"int minus int"
    gdb_test "p 3.0 - 1"	" = 2"	"real minus int"
    gdb_test "p 5.0 - 2.0"	" = 3"	"real minus real"

    # Test multiplication with various operands

    gdb_test "p .TRUE. * 1"	" = 1"	"bool times int"
    gdb_test "p 2 * 3"		" = 6"	"int times int"
    gdb_test "p 2.0 * 3"	" = 6"	"real times int"
    gdb_test "p 2.0 * 3.0"	" = 6"	"real times real"

    # Test division with various operands

    gdb_test "p .TRUE. / 1"	" = 1"	"bool divided by int"
    gdb_test "p 6 / 3"		" = 2"	"int divided by int"
    gdb_test "p 6.0 / 3"	" = 2"	"real divided by int"
    gdb_test "p 6.0 / 3.0"	" = 2"	"real divided by real"

    # Test exponentiation with various operands
    
    gdb_test "p 2 ** 3" " = 8" "int powered by int"
    gdb_test "p 2 ** 2 ** 3" " = 256" "combined exponentiation expression"
    gdb_test "p (2 ** 2) ** 3" " = 64" "combined exponentiation expression in specified order"
    gdb_test "p 4 ** 0.5" " = 2" "int powered by real"
    gdb_test "p 4.0 ** 0.5" " = 2" "real powered by real"

}

# Start with a fresh gdb.

gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir

gdb_test "set print sevenbit-strings" ""

if [set_lang_fortran] then {
    test_value_history
    test_convenience_variables
    test_integer_literals_accepted
    test_integer_literals_rejected
    test_logical_literals_accepted
    test_character_literals_accepted
    test_float_literals_accepted
    test_arithmetic_expressions
} else {
    warning "$test_name tests suppressed." 0
}