93 lines
2.7 KiB
Plaintext
93 lines
2.7 KiB
Plaintext
# 2016 November 4
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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# This file implements regression tests for SQLite library. The
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# focus of this file is testing OOM error handling within the built-in
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# INSTR() function.
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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set testprefix instrfault
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# Use big NEEDLE and HAYSTACK strings. Strings so large they cannot
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# use lookaside buffers.
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#
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set ::NEEDLE [string repeat "abcdefghijklmnopqrstuvwxyz" 10]
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set ::HAYSTACK "[string repeat 123 10]$NEEDLE[string repeat 456 10]"
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foreach {enc} {
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utf8
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utf16
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} {
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reset_db
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sqlite3_db_config_lookaside db 0 0 0
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execsql "PRAGMA encoding = $enc"
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do_execsql_test 1.$enc.1 {
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CREATE TABLE t1(n, h);
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INSERT INTO t1 VALUES($::NEEDLE, $::HAYSTACK);
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} {}
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do_faultsim_test 1.$enc.1 -faults oom-t* -prep {
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execsql { SELECT instr(h, n) FROM t1 }
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} -body {
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execsql { SELECT instr(h, n) FROM t1 }
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} -test {
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faultsim_test_result {0 31}
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}
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do_faultsim_test 1.$enc.2 -faults oom-t* -prep {
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execsql { SELECT instr($::HAYSTACK, $::NEEDLE) FROM t1 }
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} -body {
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execsql { SELECT instr($::HAYSTACK, $::NEEDLE) FROM t1 }
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} -test {
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faultsim_test_result {0 31}
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}
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do_faultsim_test 1.$enc.3 -faults oom-t* -prep {
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set ::stmt [sqlite3_prepare_v2 db "SELECT instr(?, ?)" -1 dummy]
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sqlite3_bind_text $::stmt 1 $::HAYSTACK [string length $::HAYSTACK]
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sqlite3_bind_text $::stmt 2 $::NEEDLE [string length $::NEEDLE]
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} -body {
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set rc [sqlite3_step $::stmt]
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if {$rc=="SQLITE_NOMEM"} { error "out of memory" }
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sqlite3_column_int $::stmt 0
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} -test {
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faultsim_test_result {0 31}
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sqlite3_finalize $::stmt
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}
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do_faultsim_test 1.$enc.4 -faults oom-t* -prep {
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set ::stmt [sqlite3_prepare_v2 db "SELECT instr(?, ?)" -1 dummy]
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sqlite3_bind_blob $::stmt 1 $::HAYSTACK [string length $::HAYSTACK]
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sqlite3_bind_blob $::stmt 2 $::NEEDLE [string length $::NEEDLE]
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} -body {
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set rc [sqlite3_step $::stmt]
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if {$rc=="SQLITE_NOMEM"} { error "out of memory" }
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sqlite3_column_int $::stmt 0
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} -test {
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faultsim_test_result {0 31}
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sqlite3_finalize $::stmt
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}
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do_execsql_test 1.$enc.5.0 {
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CREATE TABLE h1(a, b);
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INSERT INTO h1 VALUES('abcdefg%200hijkl', randomblob(200));
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INSERT INTO h1 SELECT b, a FROM h1;
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}
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do_faultsim_test 1.$enc.5 -faults oom-t* -body {
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execsql { SELECT rowid FROM h1 WHERE instr(a,b) }
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} -test {}
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}
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finish_test
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