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32d0add0 | 1 | # Copyright 2014-2015 Free Software Foundation, Inc. |
5ecaaa66 SA |
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 | # Tests side-effects of sizeof evaluation. | |
17 | # Based on gcc/testsuite/gcc.dg/vla-4.c; vla-15.c | |
18 | ||
19 | standard_testfile | |
20 | ||
21 | if { [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile}] } { | |
22 | return -1 | |
23 | } | |
24 | ||
25 | if ![runto_main] { | |
26 | return -1 | |
27 | } | |
28 | ||
29 | gdb_breakpoint [gdb_get_line_number "vla-filled"] | |
30 | gdb_continue_to_breakpoint "vla-filled" | |
31 | ||
32 | # Check side effects for sizeof argument. | |
33 | set sizeof_int [get_sizeof "int" 4] | |
34 | set sizeof_vla [ expr "10" * "$sizeof_int" ] | |
35 | ||
36 | gdb_test "print sizeof (vla1\[i++\])" " = ${sizeof_int}" \ | |
37 | "print sizeof (vla1\[i++\])" | |
38 | gdb_test "print i" " = 0" \ | |
39 | "print i - sizeof no side effects" | |
40 | ||
41 | gdb_test "print sizeof (++vla1\[0\])" " = ${sizeof_int}" \ | |
42 | "print sizeof (++vla1\[0\])" | |
43 | gdb_test "print vla1\[0\]" " = 10" \ | |
44 | "print vla1\[0\] - sizeof no side effects" | |
45 | ||
46 | gdb_test "ptype ++vla1\[0\]" "type = int" "ptype ++vla1\[0\]" | |
47 | gdb_test "print vla1\[0\]" " = 10" \ | |
48 | "print vla1\[0\] - ptype no side effects" | |
49 | ||
50 | gdb_test "whatis ++vla1\[0\]" "type = int" "whatis ++vla1\[0\]" | |
51 | gdb_test "print vla1\[0\]" " = 10" \ | |
52 | "print vla1\[0\] - whatis no side effects" | |
53 | ||
54 | ||
55 | gdb_test "print sizeof (vla2\[i++\])" " = ${sizeof_vla}" \ | |
56 | "print sizeof (vla2\[i++\])" | |
57 | gdb_test "print i" " = 1" \ | |
58 | "print i - sizeof with side effects (1)" | |
59 | ||
60 | gdb_test "print sizeof (vla2\[i++ + sizeof(j++)\])" " = ${sizeof_vla}" \ | |
61 | "print sizeof (vla2\[i++ + sizeof(j++)\])" | |
62 | gdb_test "print i" " = 2" \ | |
63 | "print i - sizeof with side effects (2)" | |
64 | gdb_test "print j" " = 0" \ | |
65 | "print j - sizeof with no side effects" | |
66 | ||
67 | gdb_test "ptype vla2\[i++\]" "type = int \\\[10\\\]" \ | |
68 | "ptype vla2\[i++\]" | |
69 | gdb_test "print i" " = 2" \ | |
70 | "print i - ptype with side effects (1)" | |
71 | ||
72 | gdb_test "ptype vla2\[i++ + sizeof(j++)\]" "type = int \\\[10\\\]" \ | |
73 | "ptype vla2\[i++ + sizeof(j++)\]" | |
74 | gdb_test "print i" " = 2" \ | |
75 | "print i - ptype with side effects (2)" | |
76 | gdb_test "print j" " = 0" \ | |
77 | "print j - ptype with no side effects" | |
78 | ||
79 | gdb_test "whatis vla2\[i++\]" "type = int \\\[10\\\]" \ | |
80 | "whatis vla2\[i++\]" | |
81 | gdb_test "print i" " = 2" \ | |
82 | "print i - whatis with side effects (1)" | |
83 | ||
84 | gdb_test "whatis vla2\[i++ + sizeof(j++)\]" "type = int \\\[10\\\]" \ | |
85 | "whatis vla2\[i++ + sizeof(j++)\]" | |
86 | gdb_test "print i" " = 2" \ | |
87 | "print i - whatis with side effects (2)" | |
88 | gdb_test "print j" " = 0" \ | |
89 | "print j - whatis with no side effects" |