aboutsummaryrefslogtreecommitdiff
path: root/gdb/testsuite/gdb.rust/expr.exp
blob: 415680bbcbed214dc2fb5a1bbacd100b93d98256 (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
# Copyright (C) 2016-2017 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/>.

# Test basic expression parsing and evaluation, without requiring a
# Rust compiler.  This serves as a smoke test.

load_lib "rust-support.exp"
if {[skip_rust_tests]} { continue }

gdb_start

gdb_test_no_output "set var \$something = 27"

if {![set_lang_rust]} {
    warning "Rust expression tests suppressed."
    continue
}

gdb_test "print 9__97" " = 997"
gdb_test "print -5" " = -5"
gdb_test "print +5" " = 5"
gdb_test "print +-+-5" " = 5"
gdb_test "print 3_2i32" " = 32"
gdb_test "print 32i64" " = 32"
gdb_test "print 8u8" " = 8"
gdb_test "print 0x1f" " = 31"
gdb_test "print 0o07" " = 7"
gdb_test "print 0o70" " = 56"
gdb_test "print 0b1_111" " = 15"
gdb_test "print 32usize" " = 32"
gdb_test "print 0x_4" " = 4"

gdb_test "print 'z'" " = 122 'z'"
gdb_test "print '\\t'" " = 9 '\\\\t'"
gdb_test "print '\\n'" " = 10 '\\\\n'"
gdb_test "print '\\r'" " = 13 '\\\\r'"
gdb_test "print '\\\\'" " = 92 '\\\\\\\\'"
gdb_test "print '\\0'" " = 0 '\\\\0'"
gdb_test "print '\\''" " = 39 '\\\\''"
gdb_test "print '\\\"'" " = 34 '\"'"
gdb_test "print '\\xff'" " = 255 '\\\\xff'"
gdb_test "print '\\xFF'" " = 255 '\\\\xff'"
gdb_test "print '\\u\{F0eF\}'" " = 61679 '\\\\u\\{00f0ef\\}'"

gdb_test "print b'z'" " = 122"
gdb_test "print b'\\xfe'" " = 254"
gdb_test "print b'\\t'" " = 9"
gdb_test "print b'\\n'" " = 10"
gdb_test "print b'\\r'" " = 13"
gdb_test "print b'\\\\'" " = 92"
gdb_test "print b'\\0'" " = 0"
gdb_test "print b'\\''" " = 39"
gdb_test "print b'\\\"'" " = 34"
gdb_test "print b'\\xff'" " = 255"

gdb_test "print 23.5" " = 23.5"
gdb_test "print 23.5e1" " = 235"
gdb_test "print 2e4" " = 20000"
gdb_test "print 2_E+4_f64" " = 20000"
gdb_test "print 5e-1" " = 0.5"
gdb_test "print 5e-1f32" " = 0.5"

gdb_test "print false" " = false"
gdb_test "print true" " = true"

gdb_test "print 1+2" " = 3"
gdb_test "print 1i32 + 2i32" " = 3"
gdb_test "print 2.0 - 1.0" " = 1"
gdb_test "print !false" " = true"
gdb_test "print !true" " = false"
gdb_test "print !0u8" " = 255"
gdb_test "print 7 * 7" " = 49"
gdb_test "print 7usize * 7usize" " = 49"
gdb_test "print 42 / 7" " = 6"
gdb_test "print 42 % 7" " = 0"
gdb_test "print 1.0 / 2.0" " = 0.5"
gdb_test "print 1 < 2" " = true"
gdb_test "print !(1 < 2)" " = false"
gdb_test "print 3 + 4 * 7" " = 31"
gdb_test "print 1 > 2" " = false"
gdb_test "print 1 | 2" " = 3"
gdb_test "print 1 & 2" " = 0"
gdb_test "print 3 & 2" " = 2"
gdb_test "print 3 ^ 2" " = 1"
gdb_test "print (1 < 0) || true" " = true"
gdb_test "print (1 > 0) && false" " = false"
gdb_test "print 'z' == 'z'" " = true"
gdb_test "print '\\u{1016f}' != 'q'" " = true"
gdb_test "print 32 <= 32" " = true"
gdb_test "print 32 >= 32" " = true"
gdb_test "print 1 << 5" " = 32"
gdb_test "print 32usize >> 5" " = 1"
gdb_test "ptype 32i32 as f64" "type = f64"

gdb_test "ptype 0xf9f9f9f90000" "type = i64"

gdb_test "print ()" " = \\(\\)"

gdb_test "print \[1,2,3,4\]" " = \\\[1, 2, 3, 4\\\]"
gdb_test "ptype \[1,2,3,4\]" "type = \\\[i32; 4\\\]"
gdb_test "print \[mut 1,2,3,4\]" " = \\\[1, 2, 3, 4\\\]"

gdb_test "print b\"hi rust\"" " = b\"hi rust\""
# This isn't rusty syntax yet, but that's another bug -- this is just
# testing that byte escapes work properly.
gdb_test "print b\"\\xddhi bob\"" " = b\"\\\\335hi bob\""
gdb_test "print b\"has\\0nul\"" " = b\"has\\\\000nul\""

gdb_test "print br##\"hi\"##" " = b\"hi\""
gdb_test "print br##\"hi" "Unexpected EOF in string"
gdb_test "print br##\"hi\"" "Unexpected EOF in string"
gdb_test "print br##\"hi\"#" "Unexpected EOF in string"

# Test that convenience variables and functions work with the Rust
# parser.
gdb_test "print \$something" " = 27"
gdb_test "print \$_isvoid(\$nosuchvariable)" " = 1"
gdb_test "print \$_isvoid(\$something)" " = 0"

gdb_test "print \[23usize; 4\]" " = \\\[23, 23, 23, 23\\\]"
gdb_test "ptype \[23usize; 4\]" " = \\\[usize; 4\\\]"
gdb_test "print \[mut 23usize; 4\]" " = \\\[23, 23, 23, 23\\\]"

# Test a lexer corner case.
gdb_test "print r#" "syntax error in expression, near `#'\\."

gdb_test "printf \"%d %d\\n\", 23+1, 23-1" "24 22"