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Diffstat (limited to '')
-rw-r--r-- | test/wherefault.test | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/test/wherefault.test b/test/wherefault.test new file mode 100644 index 0000000..7f07ad5 --- /dev/null +++ b/test/wherefault.test @@ -0,0 +1,83 @@ +# 2008 December 23 +# +# The author disclaims copyright to this source code. In place of +# a legal notice, here is a blessing: +# +# May you do good and not evil. +# May you find forgiveness for yourself and forgive others. +# May you share freely, never taking more than you give. +# +#*********************************************************************** +# This file implements regression tests for SQLite library. The focus +# is testing of where.c. More specifically, the focus is on handling OOM +# errors within the code that optimizes WHERE clauses that feature the +# OR operator. +# + +set testdir [file dirname $argv0] +source $testdir/tester.tcl + +source $testdir/malloc_common.tcl + +set testprefix wherefault + +do_malloc_test 1 -sqlprep { + CREATE TABLE t1(a, b, c); + CREATE INDEX i1 ON t1(a); + CREATE INDEX i2 ON t1(b); +} -sqlbody { + SELECT c FROM t1 + WHERE + a = 2 OR b = 'three' OR a = 4 OR b = 'five' OR a = 6 OR + b = 'seven' OR a = 8 OR b = 'nine' OR a = 10 + ORDER BY rowid; + + SELECT c FROM t1 WHERE + a = 1 OR a = 2 OR a = 3 OR a = 4 OR a = 5 OR a = 6; + + SELECT c FROM t1 WHERE + a BETWEEN 1 AND 3 AND b < 5 AND b > 2 AND c = 4; +} + +do_malloc_test 2 -tclprep { + db eval { + BEGIN; + CREATE TABLE t1(a, b, c); + CREATE INDEX i1 ON t1(a); + CREATE INDEX i2 ON t1(b); + } + for {set i 0} {$i < 1000} {incr i} { + set ii [expr $i*$i] + set iii [expr $i*$i] + db eval { INSERT INTO t1 VALUES($i, $ii, $iii) } + } + db eval COMMIT +} -sqlbody { + SELECT count(*) FROM t1 WHERE a BETWEEN 5 AND 995 OR b BETWEEN 5 AND 900000; +} + +reset_db +do_execsql_test 3.0 { + PRAGMA writable_schema = 1; + BEGIN TRANSACTION; + CREATE TABLE t1( + a INT AS (c*11), + b TEXT AS (substr(d,1,3)) STORED, + c INTEGEB PRIMARI KEY, d TEXT + ); + CREATE INDEX t1a ON t1(a); + COMMIT; +} +faultsim_save_and_close + +do_faultsim_test 3.1 -faults oom* -prep { + faultsim_restore_and_reopen +} -body { + execsql { + SELECT * FROM (SELECT a FROM t1 NATURAL JOIN t1 WHERE a IN (SELECT b FROM t1 ORDER BY b)) WHERE (SELECT a FROM t1 NATURAL JOIN (SELECT * FROM (SELECT a FROM t1 NATURAL JOIN t1 WHERE a IN (SELECT CASE b WHEN 82 THEN 207 WHEN 869 THEN 406 WHEN 85 THEN 83 WHEN 705 THEN 698 ELSE 1992229051 END%5 FROM t1 ORDER BY b)) WHERE (SELECT a FROM t1 NATURAL JOIN (SELECT b FROM t1 ORDER BY b) WHERE a IN (SELECT b FROM t1 ORDER BY b))) WHERE a ); + } +} -test { + faultsim_test_result {0 {}} +} + +finish_test |