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3666a048 | 1 | # Copyright (C) 2008-2021 Free Software Foundation, Inc. |
a7c0469f DE |
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 is part of the GDB testsuite. | |
17 | # It tests the mechanism exposing lazy strings to Guile. | |
18 | ||
19 | load_lib gdb-guile.exp | |
20 | ||
21 | standard_testfile | |
22 | ||
23 | if { [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile}] } { | |
24 | return | |
25 | } | |
26 | ||
27 | # Skip all tests if Guile scripting is not enabled. | |
28 | if { [skip_guile_tests] } { continue } | |
29 | ||
30 | #gdb_install_guile_utils | |
31 | #gdb_install_guile_module | |
32 | ||
33 | # The following tests require execution. | |
34 | ||
35 | if ![gdb_guile_runto_main] { | |
812cd6eb | 36 | fail "can't run to main" |
a7c0469f DE |
37 | return |
38 | } | |
39 | ||
40 | gdb_breakpoint [gdb_get_line_number "break here"] | |
41 | gdb_continue_to_breakpoint "break here" | |
42 | ||
43 | gdb_scm_test_silent_cmd "gu (define null (parse-and-eval \"null\"))" 1 | |
44 | ||
45 | gdb_scm_test_silent_cmd "gu (define nullstr (value->lazy-string null #:length 0))" "create a null lazy string" 1 | |
46 | gdb_test "gu (print (lazy-string-length nullstr))" "= 0" "null lazy string length" | |
47 | gdb_test "gu (print (lazy-string-address nullstr))" "= 0" "null lazy string address" | |
48 | gdb_test "gu (print (lazy-string-type nullstr))" "const char \\*" "null lazy string type" | |
49 | gdb_test "gu (print (lazy-string->value nullstr))" \ | |
50 | "Out of range: cannot create a value from NULL.*Error while executing Scheme code." \ | |
51 | "create value from NULL" | |
52 | gdb_test "gu (print (lazy-string->value (value->lazy-string null #:length 3)))" \ | |
53 | "Out of range: cannot create a lazy string with address 0x0, and a non-zero length.*Error while executing Scheme code." \ | |
54 | "null lazy string with non-zero length" | |
55 | gdb_test "gu (print (value->lazy-string null #:length -2))" \ | |
56 | "Out of range: invalid length.*Error while executing Scheme code." \ | |
57 | "bad length" | |
58 | ||
59 | foreach var_spec { { "ptr" "pointer" "const char \\*" -1 } \ | |
60 | { "array" "array" "const char \\[6\\]" 6 } \ | |
61 | { "typedef_ptr" "typedef pointer" "pointer" -1 } } { | |
62 | set var [lindex $var_spec 0] | |
63 | set value [lindex $var_spec 1] | |
64 | set type [lindex $var_spec 2] | |
65 | set length [lindex $var_spec 3] | |
66 | with_test_prefix $var { | |
67 | gdb_test "print $var" "\"$value\"" | |
68 | gdb_scm_test_silent_cmd "gu (define $var (history-ref 0))" "get value from history" 1 | |
69 | gdb_scm_test_silent_cmd "gu (define l$var (value->lazy-string $var))" "acquire lazy string" 1 | |
70 | gdb_test "gu (print (value-type $var))" "$type" "string type name equality" | |
71 | gdb_test "gu (print (lazy-string-type l$var))" "$type" "lazy-string type name equality" | |
72 | gdb_test "gu (print (lazy-string-length l$var))" "$length" "lazy string length" | |
73 | gdb_test "gu (print (lazy-string->value l$var))" "\"$value\"" "lazy string value" | |
74 | gdb_scm_test_silent_cmd "gu (define l2$var (value->lazy-string $var #:length 2))" "acquire lazy string, length 2" 1 | |
75 | gdb_test "gu (print (lazy-string-length l2$var))" "2" "lazy string length 2" | |
76 | gdb_test "gu (print (lazy-string->value l2$var))" "\"[string range $value 0 1]\"" "lazy string length 2 value" | |
77 | # This test will have to wait until gdb can handle it. There's no way, | |
78 | # currently, to internally specify an array of length zero in the C | |
79 | # language support. PR 20786 | |
80 | #gdb_test "gu (print (lazy-string->value (value->lazy-string $var #:length 0)))" "\"\"" "empty lazy string value" | |
81 | } | |
82 | } |