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Side by Side Diff: third_party/sqlite/src/test/instrfault.test

Issue 2751253002: [sql] Import SQLite 3.17.0. (Closed)
Patch Set: also clang on Linux i386 Created 3 years, 9 months ago
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1 # 2016 November 4
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 file is testing OOM error handling within the built-in
13 # INSTR() function.
14 #
15
16
17 set testdir [file dirname $argv0]
18 source $testdir/tester.tcl
19 set testprefix instrfault
20
21 # Use big NEEDLE and HAYSTACK strings. Strings so large they cannot
22 # use lookaside buffers.
23 #
24 set ::NEEDLE [string repeat "abcdefghijklmnopqrstuvwxyz" 10]
25 set ::HAYSTACK "[string repeat 123 10]$NEEDLE[string repeat 456 10]"
26
27 foreach {enc} {
28 utf8
29 utf16
30 } {
31 reset_db
32 sqlite3_db_config_lookaside db 0 0 0
33
34 execsql "PRAGMA encoding = $enc"
35 do_execsql_test 1.$enc.1 {
36 CREATE TABLE t1(n, h);
37 INSERT INTO t1 VALUES($::NEEDLE, $::HAYSTACK);
38 } {}
39
40 do_faultsim_test 1.$enc.1 -faults oom-t* -prep {
41 execsql { SELECT instr(h, n) FROM t1 }
42 } -body {
43 execsql { SELECT instr(h, n) FROM t1 }
44 } -test {
45 faultsim_test_result {0 31}
46 }
47
48 do_faultsim_test 1.$enc.2 -faults oom-t* -prep {
49 execsql { SELECT instr($::HAYSTACK, $::NEEDLE) FROM t1 }
50 } -body {
51 execsql { SELECT instr($::HAYSTACK, $::NEEDLE) FROM t1 }
52 } -test {
53 faultsim_test_result {0 31}
54 }
55
56 do_faultsim_test 1.$enc.3 -faults oom-t* -prep {
57 set ::stmt [sqlite3_prepare_v2 db "SELECT instr(?, ?)" -1 dummy]
58 sqlite3_bind_text $::stmt 1 $::HAYSTACK [string length $::HAYSTACK]
59 sqlite3_bind_text $::stmt 2 $::NEEDLE [string length $::NEEDLE]
60 } -body {
61 set rc [sqlite3_step $::stmt]
62 if {$rc=="SQLITE_NOMEM"} { error "out of memory" }
63 sqlite3_column_int $::stmt 0
64 } -test {
65 faultsim_test_result {0 31}
66 sqlite3_finalize $::stmt
67 }
68
69 do_faultsim_test 1.$enc.4 -faults oom-t* -prep {
70 set ::stmt [sqlite3_prepare_v2 db "SELECT instr(?, ?)" -1 dummy]
71 sqlite3_bind_blob $::stmt 1 $::HAYSTACK [string length $::HAYSTACK]
72 sqlite3_bind_text $::stmt 2 $::NEEDLE [string length $::NEEDLE]
73 } -body {
74 set rc [sqlite3_step $::stmt]
75 if {$rc=="SQLITE_NOMEM"} { error "out of memory" }
76 sqlite3_column_int $::stmt 0
77 } -test {
78 faultsim_test_result {0 31}
79 sqlite3_finalize $::stmt
80 }
81
82 do_execsql_test 1.$enc.5.0 {
83 CREATE TABLE h1(a, b);
84 INSERT INTO h1 VALUES('abcdefg%200hijkl', randomblob(200));
85 INSERT INTO h1 SELECT b, a FROM h1;
86 }
87 do_faultsim_test 1.$enc.5 -faults oom-t* -body {
88 execsql { SELECT rowid FROM h1 WHERE instr(a,b) }
89 } -test {}
90 }
91
92 finish_test
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