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42a4f53d | 1 | # Copyright (C) 2015-2019 Free Software Foundation, Inc. |
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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. It tests lazy string support | |
17 | # not tested by py-prettyprinter.exp. | |
18 | ||
19 | load_lib gdb-python.exp | |
20 | ||
21 | standard_testfile | |
22 | ||
5b362f04 | 23 | if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug c++}]} { |
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24 | return -1 |
25 | } | |
26 | ||
27 | # Skip all tests if Python scripting is not enabled. | |
28 | if { [skip_python_tests] } { continue } | |
29 | ||
30 | if ![runto_main ] { | |
31 | return -1 | |
32 | } | |
33 | ||
34 | gdb_breakpoint [gdb_get_line_number "break here"] | |
35 | gdb_continue_to_breakpoint "break here" | |
36 | ||
34b43320 | 37 | gdb_py_test_silent_cmd "python null = gdb.parse_and_eval(\"null\")" "get null value" 1 |
4ea6efe9 | 38 | |
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39 | gdb_py_test_silent_cmd "python nullstr = null.lazy_string(length=0)" "create a null lazy string" 1 |
40 | gdb_test "python print (nullstr.length)" "0" "null lazy string length" | |
41 | gdb_test "python print (nullstr.address)" "0" "null lazy string address" | |
42 | gdb_test "python print (nullstr.type)" "const char \\*" "null lazy string type" | |
43 | gdb_test "python print(nullstr.value())" \ | |
44 | "gdb.MemoryError: Cannot create a value from NULL.*Error while executing Python code." \ | |
45 | "create value from NULL" | |
3e221d36 | 46 | gdb_test "python print(null.lazy_string(length=3).value())" \ |
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47 | "gdb.MemoryError: Cannot create a lazy string with address 0x0, and a non-zero length.*Error while executing Python code." \ |
48 | "null lazy string with non-zero length" | |
49 | gdb_test "python print(null.lazy_string(length=-2))" \ | |
50 | "ValueError: Invalid length.*Error while executing Python code." \ | |
51 | "bad length" | |
52 | ||
53 | foreach var_spec { { "ptr" "pointer" "const char \\*" -1 } \ | |
54 | { "array" "array" "const char \\[6\\]" 6 } \ | |
55 | { "typedef_ptr" "typedef pointer" "pointer" -1 } } { | |
56 | set var [lindex $var_spec 0] | |
57 | set value [lindex $var_spec 1] | |
58 | set type [lindex $var_spec 2] | |
59 | set length [lindex $var_spec 3] | |
60 | with_test_prefix $var { | |
61 | gdb_test "print $var" "\"$value\"" | |
62 | gdb_py_test_silent_cmd "python $var = gdb.history (0)" "get value from history" 1 | |
63 | gdb_py_test_silent_cmd "python l$var = $var.lazy_string()" "acquire lazy string" 1 | |
64 | gdb_test "python print ($var.type)" "$type" "string type name equality" | |
65 | gdb_test "python print (l$var.type)" "$type" "lazy-string type name equality" | |
66 | gdb_test "python print (l$var.length)" "$length" "lazy string length" | |
67 | gdb_test "python print (l$var.value())" "\"$value\"" "lazy string value" | |
68 | gdb_py_test_silent_cmd "python l2$var = $var.lazy_string(length=2)" "acquire lazy string, length 2" 1 | |
69 | gdb_test "python print (l2$var.length)" "2" "lazy string length 2" | |
70 | gdb_test "python print (l2$var.value())" "\"[string range $value 0 1]\"" "lazy string length 2 value" | |
71 | # This test will have to wait until gdb can handle it. There's no way, | |
72 | # currently, to internally specify an array of length zero in the C | |
73 | # language support. PR 20786 | |
74 | #gdb_test "python print ($var.lazy_string(length=0).value())" "\"\"" "empty lazy string value" | |
75 | } | |
76 | } |