| Index: third_party/sqlite/sqlite-src-3070603/test/ptrchng.test
|
| diff --git a/third_party/sqlite/sqlite-src-3070603/test/ptrchng.test b/third_party/sqlite/sqlite-src-3070603/test/ptrchng.test
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..75525f981c5755ad13cbd5896bcd010abd7dfc2c
|
| --- /dev/null
|
| +++ b/third_party/sqlite/sqlite-src-3070603/test/ptrchng.test
|
| @@ -0,0 +1,223 @@
|
| +# 2007 April 27
|
| +#
|
| +# 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 the tests in this file are to verify that the
|
| +# underlying TEXT or BLOB representation of an sqlite3_value
|
| +# changes appropriately when APIs from the following set are
|
| +# called:
|
| +#
|
| +# sqlite3_value_text()
|
| +# sqlite3_value_text16()
|
| +# sqlite3_value_blob()
|
| +# sqlite3_value_bytes()
|
| +# sqlite3_value_bytes16()
|
| +#
|
| +# $Id: ptrchng.test,v 1.5 2008/07/12 14:52:20 drh Exp $
|
| +
|
| +set testdir [file dirname $argv0]
|
| +source $testdir/tester.tcl
|
| +
|
| +ifcapable !bloblit {
|
| + finish_test
|
| + return
|
| +}
|
| +
|
| +# Register the "pointer_change" SQL function.
|
| +#
|
| +sqlite3_create_function db
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| +
|
| +do_test ptrchng-1.1 {
|
| + execsql {
|
| + CREATE TABLE t1(x INTEGER PRIMARY KEY, y BLOB);
|
| + INSERT INTO t1 VALUES(1, 'abc');
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| + INSERT INTO t1 VALUES(2,
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| + 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234356789');
|
| + INSERT INTO t1 VALUES(3, x'626c6f62');
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| + INSERT INTO t1 VALUES(4,
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| + x'000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f2021222324'
|
| + );
|
| + SELECT count(*) FROM t1;
|
| + }
|
| +} {4}
|
| +
|
| +# For the short entries that fit in the Mem.zBuf[], the pointer should
|
| +# never change regardless of what type conversions occur.
|
| +#
|
| +# UPDATE: No longer true, as Mem.zBuf[] has been removed.
|
| +#
|
| +do_test ptrchng-2.1 {
|
| + execsql {
|
| + SELECT pointer_change(y, 'text', 'noop', 'blob') FROM t1 WHERE x=1
|
| + }
|
| +} {0}
|
| +do_test ptrchng-2.2 {
|
| + execsql {
|
| + SELECT pointer_change(y, 'blob', 'noop', 'text') FROM t1 WHERE x=1
|
| + }
|
| +} {0}
|
| +ifcapable utf16 {
|
| + do_test ptrchng-2.3 {
|
| + execsql {
|
| + SELECT pointer_change(y, 'text', 'noop', 'text16') FROM t1 WHERE x=1
|
| + }
|
| + } {1}
|
| + do_test ptrchng-2.4 {
|
| + execsql {
|
| + SELECT pointer_change(y, 'blob', 'noop', 'text16') FROM t1 WHERE x=1
|
| + }
|
| + } {1}
|
| + do_test ptrchng-2.5 {
|
| + execsql {
|
| + SELECT pointer_change(y, 'text16', 'noop', 'blob') FROM t1 WHERE x=1
|
| + }
|
| + } {0}
|
| + do_test ptrchng-2.6 {
|
| + execsql {
|
| + SELECT pointer_change(y, 'text16', 'noop', 'text') FROM t1 WHERE x=1
|
| + }
|
| + } {1}
|
| +}
|
| +do_test ptrchng-2.11 {
|
| + execsql {
|
| + SELECT pointer_change(y, 'text', 'noop', 'blob') FROM t1 WHERE x=3
|
| + }
|
| +} {0}
|
| +do_test ptrchng-2.12 {
|
| + execsql {
|
| + SELECT pointer_change(y, 'blob', 'noop', 'text') FROM t1 WHERE x=3
|
| + }
|
| +} {0}
|
| +ifcapable utf16 {
|
| + do_test ptrchng-2.13 {
|
| + execsql {
|
| + SELECT pointer_change(y, 'text', 'noop', 'text16') FROM t1 WHERE x=3
|
| + }
|
| + } {1}
|
| + do_test ptrchng-2.14 {
|
| + execsql {
|
| + SELECT pointer_change(y, 'blob', 'noop', 'text16') FROM t1 WHERE x=3
|
| + }
|
| + } {1}
|
| + do_test ptrchng-2.15 {
|
| + execsql {
|
| + SELECT pointer_change(y, 'text16', 'noop', 'blob') FROM t1 WHERE x=3
|
| + }
|
| + } {0}
|
| + do_test ptrchng-2.16 {
|
| + execsql {
|
| + SELECT pointer_change(y, 'text16', 'noop', 'text') FROM t1 WHERE x=3
|
| + }
|
| + } {1}
|
| +}
|
| +
|
| +# For the long entries that do not fit in the Mem.zBuf[], the pointer
|
| +# should change sometimes.
|
| +#
|
| +do_test ptrchng-3.1 {
|
| + execsql {
|
| + SELECT pointer_change(y, 'text', 'noop', 'blob') FROM t1 WHERE x=2
|
| + }
|
| +} {0}
|
| +do_test ptrchng-3.2 {
|
| + execsql {
|
| + SELECT pointer_change(y, 'blob', 'noop', 'text') FROM t1 WHERE x=2
|
| + }
|
| +} {0}
|
| +ifcapable utf16 {
|
| + do_test ptrchng-3.3 {
|
| + execsql {
|
| + SELECT pointer_change(y, 'text', 'noop', 'text16') FROM t1 WHERE x=2
|
| + }
|
| + } {1}
|
| + do_test ptrchng-3.4 {
|
| + execsql {
|
| + SELECT pointer_change(y, 'blob', 'noop', 'text16') FROM t1 WHERE x=2
|
| + }
|
| + } {1}
|
| + do_test ptrchng-3.5 {
|
| + execsql {
|
| + SELECT pointer_change(y, 'text16', 'noop', 'blob') FROM t1 WHERE x=2
|
| + }
|
| + } {0}
|
| + do_test ptrchng-3.6 {
|
| + execsql {
|
| + SELECT pointer_change(y, 'text16', 'noop', 'text') FROM t1 WHERE x=2
|
| + }
|
| + } {1}
|
| +}
|
| +do_test ptrchng-3.11 {
|
| + execsql {
|
| + SELECT pointer_change(y, 'text', 'noop', 'blob') FROM t1 WHERE x=4
|
| + }
|
| +} {0}
|
| +do_test ptrchng-3.12 {
|
| + execsql {
|
| + SELECT pointer_change(y, 'blob', 'noop', 'text') FROM t1 WHERE x=4
|
| + }
|
| +} {0}
|
| +ifcapable utf16 {
|
| + do_test ptrchng-3.13 {
|
| + execsql {
|
| + SELECT pointer_change(y, 'text', 'noop', 'text16') FROM t1 WHERE x=4
|
| + }
|
| + } {1}
|
| + do_test ptrchng-3.14 {
|
| + execsql {
|
| + SELECT pointer_change(y, 'blob', 'noop', 'text16') FROM t1 WHERE x=4
|
| + }
|
| + } {1}
|
| + do_test ptrchng-3.15 {
|
| + execsql {
|
| + SELECT pointer_change(y, 'text16', 'noop', 'blob') FROM t1 WHERE x=4
|
| + }
|
| + } {0}
|
| + do_test ptrchng-3.16 {
|
| + execsql {
|
| + SELECT pointer_change(y, 'text16', 'noop', 'text') FROM t1 WHERE x=4
|
| + }
|
| + } {1}
|
| +}
|
| +
|
| +# A call to _bytes() should never reformat a _text() or _blob().
|
| +#
|
| +do_test ptrchng-4.1 {
|
| + execsql {
|
| + SELECT pointer_change(y, 'text', 'bytes', 'text') FROM t1
|
| + }
|
| +} {0 0 0 0}
|
| +do_test ptrchng-4.2 {
|
| + execsql {
|
| + SELECT pointer_change(y, 'blob', 'bytes', 'blob') FROM t1
|
| + }
|
| +} {0 0 0 0}
|
| +
|
| +# A call to _blob() should never trigger a reformat
|
| +#
|
| +do_test ptrchng-5.1 {
|
| + execsql {
|
| + SELECT pointer_change(y, 'text', 'bytes', 'blob') FROM t1
|
| + }
|
| +} {0 0 0 0}
|
| +ifcapable utf16 {
|
| + do_test ptrchng-5.2 {
|
| + execsql {
|
| + SELECT pointer_change(y, 'text16', 'noop', 'blob') FROM t1
|
| + }
|
| + } {0 0 0 0}
|
| + do_test ptrchng-5.3 {
|
| + execsql {
|
| + SELECT pointer_change(y, 'text16', 'bytes16', 'blob') FROM t1
|
| + }
|
| + } {0 0 0 0}
|
| +}
|
| +
|
| +finish_test
|
|
|