Index: third_party/sqlite/sqlite-src-3080704/test/zeroblob.test |
diff --git a/third_party/sqlite/sqlite-src-3080704/test/zeroblob.test b/third_party/sqlite/sqlite-src-3080704/test/zeroblob.test |
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index 0000000000000000000000000000000000000000..f4a195083696a4e3227e1dc6076e1a944115a175 |
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+# 2007 May 02 |
+# |
+# 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 of this file is testing of the zero-filled blob functionality |
+# including the sqlite3_bind_zeroblob(), sqlite3_result_zeroblob(), |
+# and the built-in zeroblob() SQL function. |
+# |
+# $Id: zeroblob.test,v 1.14 2009/07/14 02:33:02 drh Exp $ |
+ |
+set testdir [file dirname $argv0] |
+source $testdir/tester.tcl |
+ |
+ifcapable !incrblob { |
+ finish_test |
+ return |
+} |
+ |
+# When zeroblob() is used for the last field of a column, then the |
+# content of the zeroblob is never instantiated on the VDBE stack. |
+# But it does get inserted into the database correctly. |
+# |
+db eval {PRAGMA cache_size=10} |
+sqlite3_memory_highwater 1 |
+unset -nocomplain memused |
+set memused [sqlite3_memory_used] |
+do_test zeroblob-1.1 { |
+ execsql { |
+ CREATE TABLE t1(a,b,c,d); |
+ } |
+ set ::sqlite3_max_blobsize 0 |
+ execsql { |
+ INSERT INTO t1 VALUES(2,3,4,zeroblob(1000000)); |
+ } |
+ set ::sqlite3_max_blobsize |
+} {10} |
+do_test zeroblob-1.1.1 { |
+ expr {[sqlite3_memory_highwater]<$::memused+25000} |
+} {1} |
+do_test zeroblob-1.2 { |
+ execsql { |
+ SELECT length(d) FROM t1 |
+ } |
+} {1000000} |
+ |
+# If a non-NULL column follows the zeroblob, then the content of |
+# the zeroblob must be instantiated. |
+# |
+do_test zeroblob-1.3 { |
+ set ::sqlite3_max_blobsize 0 |
+ execsql { |
+ INSERT INTO t1 VALUES(3,4,zeroblob(10000),5); |
+ } |
+ set ::sqlite3_max_blobsize |
+} {10010} |
+do_test zeroblob-1.4 { |
+ execsql { |
+ SELECT length(c), length(d) FROM t1 |
+ } |
+} {1 1000000 10000 1} |
+ |
+# Multiple zeroblobs can appear at the end of record. No instantiation |
+# of the blob content occurs on the stack. |
+# |
+do_test zeroblob-1.5 { |
+ set ::sqlite3_max_blobsize 0 |
+ execsql { |
+ INSERT INTO t1 VALUES(4,5,zeroblob(10000),zeroblob(10000)); |
+ } |
+ set ::sqlite3_max_blobsize |
+} {11} |
+do_test zeroblob-1.6 { |
+ execsql { |
+ SELECT length(c), length(d) FROM t1 |
+ } |
+} {1 1000000 10000 1 10000 10000} |
+ |
+# NULLs can follow the zeroblob() or be intermixed with zeroblobs and |
+# no instantiation of the zeroblobs occurs on the stack. |
+# |
+do_test zeroblob-1.7 { |
+ set ::sqlite3_max_blobsize 0 |
+ execsql { |
+ INSERT INTO t1 VALUES(5,zeroblob(10000),NULL,zeroblob(10000)); |
+ } |
+ set ::sqlite3_max_blobsize |
+} {10} |
+do_test zeroblob-1.8 { |
+ execsql { |
+ SELECT length(b), length(d) FROM t1 WHERE a=5 |
+ } |
+} {10000 10000} |
+ |
+# Comparisons against zeroblobs work. |
+# |
+do_test zeroblob-2.1 { |
+ execsql { |
+ SELECT a FROM t1 WHERE b=zeroblob(10000) |
+ } |
+} {5} |
+ |
+# Comparisons against zeroblobs work even when indexed. |
+# |
+do_test zeroblob-2.2 { |
+ execsql { |
+ CREATE INDEX i1_1 ON t1(b); |
+ SELECT a FROM t1 WHERE b=zeroblob(10000); |
+ } |
+} {5} |
+ |
+# DISTINCT works for zeroblobs |
+# |
+ifcapable bloblit&&subquery&&compound { |
+ do_test zeroblob-3.1 { |
+ execsql { |
+ SELECT count(DISTINCT a) FROM ( |
+ SELECT x'00000000000000000000' AS a |
+ UNION ALL |
+ SELECT zeroblob(10) AS a |
+ ) |
+ } |
+ } {1} |
+} |
+ |
+# Concatentation works with zeroblob |
+# |
+ifcapable bloblit { |
+ do_test zeroblob-4.1 { |
+ execsql { |
+ SELECT hex(zeroblob(2) || x'61') |
+ } |
+ } {000061} |
+} |
+ |
+# Check various CAST(...) operations on zeroblob. |
+# |
+do_test zeroblob-5.1 { |
+ execsql { |
+ SELECT CAST (zeroblob(100) AS REAL); |
+ } |
+} {0.0} |
+do_test zeroblob-5.2 { |
+ execsql { |
+ SELECT CAST (zeroblob(100) AS INTEGER); |
+ } |
+} {0} |
+do_test zeroblob-5.3 { |
+ execsql { |
+ SELECT CAST (zeroblob(100) AS TEXT); |
+ } |
+} {{}} |
+do_test zeroblob-5.4 { |
+ execsql { |
+ SELECT CAST(zeroblob(100) AS BLOB); |
+ } |
+} [execsql {SELECT zeroblob(100)}] |
+ |
+ |
+# Check for malicious use of zeroblob. Make sure nothing crashes. |
+# |
+do_test zeroblob-6.1.1 { |
+ execsql {select zeroblob(-1)} |
+} {{}} |
+do_test zeroblob-6.1.2 { |
+ execsql {select zeroblob(-10)} |
+} {{}} |
+do_test zeroblob-6.1.3 { |
+ execsql {select zeroblob(-100)} |
+} {{}} |
+do_test zeroblob-6.2 { |
+ execsql {select length(zeroblob(-1))} |
+} {0} |
+do_test zeroblob-6.3 { |
+ execsql {select zeroblob(-1)|1} |
+} {1} |
+do_test zeroblob-6.4 { |
+ catchsql {select length(zeroblob(2147483648))} |
+} {1 {string or blob too big}} |
+do_test zeroblob-6.5 { |
+ catchsql {select zeroblob(2147483648)} |
+} {1 {string or blob too big}} |
+do_test zeroblob-6.6 { |
+ execsql {select hex(zeroblob(-1))} |
+} {{}} |
+do_test zeroblob-6.7 { |
+ execsql {select typeof(zeroblob(-1))} |
+} {blob} |
+ |
+# Test bind_zeroblob() |
+# |
+sqlite3_memory_highwater 1 |
+unset -nocomplain memused |
+set memused [sqlite3_memory_used] |
+do_test zeroblob-7.1 { |
+ set ::STMT [sqlite3_prepare $::DB "SELECT length(?)" -1 DUMMY] |
+ set ::sqlite3_max_blobsize 0 |
+ sqlite3_bind_zeroblob $::STMT 1 450000 |
+ sqlite3_step $::STMT |
+} {SQLITE_ROW} |
+do_test zeroblob-7.2 { |
+ sqlite3_column_int $::STMT 0 |
+} {450000} |
+do_test zeroblob-7.3 { |
+ sqlite3_finalize $::STMT |
+} {SQLITE_OK} |
+do_test zeroblob-7.4 { |
+ set ::sqlite3_max_blobsize |
+} {0} |
+do_test zeroblob-7.5 { |
+ expr {[sqlite3_memory_highwater]<$::memused+10000} |
+} {1} |
+ |
+# Test that MakeRecord can handle a value with some real content |
+# and a zero-blob tail. |
+# |
+do_test zeroblob-8.1 { |
+ llength [execsql { |
+ SELECT 'hello' AS a, zeroblob(10) as b from t1 ORDER BY a, b; |
+ }] |
+} {8} |
+ |
+ |
+# Ticket #3965 |
+# zeroblobs on either size of an IN operator |
+# |
+do_test zeroblob-9.1 { |
+ db eval {SELECT x'0000' IN (x'000000')} |
+} {0} |
+do_test zeroblob-9.2 { |
+ db eval {SELECT x'0000' IN (x'0000')} |
+} {1} |
+do_test zeroblob-9.3 { |
+ db eval {SELECT zeroblob(2) IN (x'000000')} |
+} {0} |
+do_test zeroblob-9.4 { |
+ db eval {SELECT zeroblob(2) IN (x'0000')} |
+} {1} |
+do_test zeroblob-9.5 { |
+ db eval {SELECT x'0000' IN (zeroblob(3))} |
+} {0} |
+do_test zeroblob-9.6 { |
+ db eval {SELECT x'0000' IN (zeroblob(2))} |
+} {1} |
+do_test zeroblob-9.7 { |
+ db eval {SELECT zeroblob(2) IN (zeroblob(3))} |
+} {0} |
+do_test zeroblob-9.8 { |
+ db eval {SELECT zeroblob(2) IN (zeroblob(2))} |
+} {1} |
+ |
+ |
+finish_test |