Annotation of embedaddon/sqlite3/test/loadext.test, revision 1.1.1.1
1.1 misho 1: # 2006 July 14
2: #
3: # The author disclaims copyright to this source code. In place of
4: # a legal notice, here is a blessing:
5: #
6: # May you do good and not evil.
7: # May you find forgiveness for yourself and forgive others.
8: # May you share freely, never taking more than you give.
9: #
10: #***********************************************************************
11: # This file implements regression tests for SQLite library. The
12: # focus of this script is extension loading.
13: #
14: # $Id: loadext.test,v 1.17 2009/03/20 09:09:37 danielk1977 Exp $
15:
16: set testdir [file dirname $argv0]
17: source $testdir/tester.tcl
18:
19: ifcapable !load_ext {
20: finish_test
21: return
22: }
23:
24: # The name of the test extension varies by operating system.
25: #
26: if {$::tcl_platform(platform) eq "windows" || $::tcl_platform(platform) eq "os2"} {
27: set testextension ./testloadext.dll
28: } else {
29: set testextension ./libtestloadext.so
30: }
31: set gcc_shared "-shared -fPIC"
32: if {$::tcl_platform(os) eq "Darwin"} {
33: set gcc_shared -dynamiclib
34: }
35:
36: # The error messages tested by this file are operating system dependent
37: # (because they are returned by sqlite3OsDlError()). For now, they only
38: # work with UNIX (and probably only certain kinds of UNIX).
39: #
40: # When a shared-object cannot be opened because it does not exist, the
41: # format of the message returned is:
42: #
43: # [format $dlerror_nosuchfile <shared-object-name>]
44: #
45: # When a shared-object cannot be opened because it consists of the 4
46: # characters "blah" only, we expect the error message to be:
47: #
48: # [format $dlerror_notadll <shared-object-name>]
49: #
50: # When a symbol cannot be found within an open shared-object, the error
51: # message should be:
52: #
53: # [format $dlerror_nosymbol <shared-object-name> <symbol-name>]
54: #
55: # The exact error messages are not important. The important bit is
56: # that SQLite is correctly copying the message from xDlError().
57: #
58: set dlerror_nosuchfile \
59: {%s: cannot open shared object file: No such file or directory}
60: set dlerror_notadll {%s: file too short}
61: set dlerror_nosymbol {%s: undefined symbol: %s}
62:
63: if {$::tcl_platform(os) eq "Darwin"} {
64: set dlerror_nosuchfile {dlopen(%s, 10): image not found}
65: set dlerror_notadll {dlopen(%1$s, 10): no suitable image found.*}
66: set dlerror_nosymbol {dlsym(XXX, %2$s): symbol not found}
67: }
68:
69: # Make sure the test extension actually exists. If it does not
70: # exist, try to create it. If unable to create it, then skip this
71: # test file.
72: #
73: if {![file exists $testextension]} {
74: set srcdir [file dir $testdir]/src
75: set testextsrc $srcdir/test_loadext.c
76:
77: set cmdline [concat exec gcc $gcc_shared]
78: lappend cmdline -Wall -I$srcdir -I. -g $testextsrc -o $testextension
79:
80: if {[catch $cmdline msg]} {
81: puts "Skipping loadext tests: Test extension not built..."
82: puts $msg
83: finish_test
84: return
85: }
86: }
87:
88: # Test that loading the extension produces the expected results - adding
89: # the half() function to the specified database handle.
90: #
91: do_test loadext-1.1 {
92: catchsql {
93: SELECT half(1.0);
94: }
95: } {1 {no such function: half}}
96: do_test loadext-1.2 {
97: db enable_load_extension 1
98: sqlite3_load_extension db $testextension testloadext_init
99: catchsql {
100: SELECT half(1.0);
101: }
102: } {0 0.5}
103:
104: # Test that a second database connection (db2) can load the extension also.
105: #
106: do_test loadext-1.3 {
107: sqlite3 db2 test.db
108: sqlite3_enable_load_extension db2 1
109: catchsql {
110: SELECT half(1.0);
111: } db2
112: } {1 {no such function: half}}
113: do_test loadext-1.4 {
114: sqlite3_load_extension db2 $testextension testloadext_init
115: catchsql {
116: SELECT half(1.0);
117: } db2
118: } {0 0.5}
119:
120: # Close the first database connection. Then check that the second database
121: # can still use the half() function without a problem.
122: #
123: do_test loadext-1.5 {
124: db close
125: catchsql {
126: SELECT half(1.0);
127: } db2
128: } {0 0.5}
129:
130: db2 close
131: sqlite3 db test.db
132: sqlite3_enable_load_extension db 1
133:
134: # Try to load an extension for which the file does not exist.
135: #
136: do_test loadext-2.1 {
137: forcedelete ${testextension}xx
138: set rc [catch {
139: sqlite3_load_extension db "${testextension}xx"
140: } msg]
141: list $rc $msg
142: } [list 1 [format $dlerror_nosuchfile ${testextension}xx]]
143:
144: # Try to load an extension for which the file is not a shared object
145: #
146: do_test loadext-2.2 {
147: set fd [open "${testextension}xx" w]
148: puts $fd blah
149: close $fd
150: set rc [catch {
151: sqlite3_load_extension db "${testextension}xx"
152: } msg]
153: set expected_error_pattern [format $dlerror_notadll ${testextension}xx]
154: list $rc [string match $expected_error_pattern $msg]
155: } [list 1 1]
156:
157: # Try to load an extension for which the file is present but the
158: # entry point is not.
159: #
160: do_test loadext-2.3 {
161: set rc [catch {
162: sqlite3_load_extension db $testextension icecream
163: } msg]
164: if {$::tcl_platform(os) eq "Darwin"} {
165: regsub {0x[1234567890abcdefABCDEF]*} $msg XXX msg
166: }
167: list $rc $msg
168: } [list 1 [format $dlerror_nosymbol $testextension icecream]]
169:
170: # Try to load an extension for which the entry point fails (returns non-zero)
171: #
172: do_test loadext-2.4 {
173: set rc [catch {
174: sqlite3_load_extension db $testextension testbrokenext_init
175: } msg]
176: list $rc $msg
177: } {1 {error during initialization: broken!}}
178:
179: ############################################################################
180: # Tests for the load_extension() SQL function
181: #
182:
183: db close
184: sqlite3 db test.db
185: sqlite3_enable_load_extension db 1
186: do_test loadext-3.1 {
187: catchsql {
188: SELECT half(5);
189: }
190: } {1 {no such function: half}}
191: do_test loadext-3.2 {
192: set res [catchsql {
193: SELECT load_extension($::testextension)
194: }]
195: if {$::tcl_platform(os) eq "Darwin"} {
196: regsub {0x[1234567890abcdefABCDEF]*} $res XXX res
197: }
198: set res
199: } [list 1 [format $dlerror_nosymbol $testextension sqlite3_extension_init]]
200: do_test loadext-3.3 {
201: catchsql {
202: SELECT load_extension($::testextension,'testloadext_init')
203: }
204: } {0 {{}}}
205: do_test loadext-3.4 {
206: catchsql {
207: SELECT half(5);
208: }
209: } {0 2.5}
210: do_test loadext-3.5 {
211: db eval {
212: SELECT sqlite3_status('MEMORY_USED') AS mused
213: } break
214: puts -nonewline " (memory_used=$mused) "
215: expr {$mused>0}
216: } {1}
217: do_test loadext-3.6 {
218: catchsql {
219: SELECT sqlite3_status('MEMORY_USED_X') AS mused
220: }
221: } {1 {unknown status property: MEMORY_USED_X}}
222: do_test loadext-3.7 {
223: catchsql {
224: SELECT sqlite3_status(4.53) AS mused
225: }
226: } {1 {unknown status type}}
227: do_test loadext-3.8 {
228: catchsql {
229: SELECT sqlite3_status(23) AS mused
230: }
231: } {1 {sqlite3_status(23,...) returns 21}}
232:
233: # Ticket #1863
234: # Make sure the extension loading mechanism will not work unless it
235: # is explicitly enabled.
236: #
237: db close
238: sqlite3 db test.db
239: do_test loadext-4.1 {
240: catchsql {
241: SELECT load_extension($::testextension,'testloadext_init')
242: }
243: } {1 {not authorized}}
244: do_test loadext-4.2 {
245: sqlite3_enable_load_extension db 1
246: catchsql {
247: SELECT load_extension($::testextension,'testloadext_init')
248: }
249: } {0 {{}}}
250:
251: do_test loadext-4.3 {
252: sqlite3_enable_load_extension db 0
253: catchsql {
254: SELECT load_extension($::testextension,'testloadext_init')
255: }
256: } {1 {not authorized}}
257:
258: source $testdir/malloc_common.tcl
259:
260:
261: # Malloc failure in sqlite3_auto_extension and sqlite3_load_extension
262: #
263: do_malloc_test loadext-5 -tclprep {
264: sqlite3_reset_auto_extension
265: } -tclbody {
266: if {[autoinstall_test_functions]==7} {error "out of memory"}
267: }
268: do_malloc_test loadext-6 -tclbody {
269: db enable_load_extension 1
270: sqlite3_load_extension db $::testextension testloadext_init
271: }
272: autoinstall_test_functions
273:
274: finish_test
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