519 lines
13 KiB
Plaintext
519 lines
13 KiB
Plaintext
# 2002 May 24
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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 focus of
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# this file is testing the SQLite routines used for converting between the
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# various suported unicode encodings (UTF-8, UTF-16, UTF-16le and
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# UTF-16be).
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#
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# $Id: enc2.test,v 1.27 2006/01/23 15:59:55 drh Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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# If UTF16 support is disabled, ignore the tests in this file
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#
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ifcapable {!utf16} {
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finish_test
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return
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}
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# The rough organisation of tests in this file is:
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#
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# enc2.1.*: Simple tests with a UTF-8 db.
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# enc2.2.*: Simple tests with a UTF-16LE db.
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# enc2.3.*: Simple tests with a UTF-16BE db.
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# enc2.4.*: Test that attached databases must have the same text encoding
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# as the main database.
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# enc2.5.*: Test the behaviour of the library when a collation sequence is
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# not available for the most desirable text encoding.
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# enc2.6.*: Similar test for user functions.
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# enc2.7.*: Test that the VerifyCookie opcode protects against assuming the
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# wrong text encoding for the database.
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# enc2.8.*: Test sqlite3_complete16()
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#
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db close
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# Return the UTF-8 representation of the supplied UTF-16 string $str.
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proc utf8 {str} {
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# If $str ends in two 0x00 0x00 bytes, knock these off before
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# converting to UTF-8 using TCL.
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binary scan $str \c* vals
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if {[lindex $vals end]==0 && [lindex $vals end-1]==0} {
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set str [binary format \c* [lrange $vals 0 end-2]]
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}
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set r [encoding convertfrom unicode $str]
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return $r
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}
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#
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# This proc contains all the tests in this file. It is run
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# three times. Each time the file 'test.db' contains a database
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# with the following contents:
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set dbcontents {
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CREATE TABLE t1(a PRIMARY KEY, b, c);
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INSERT INTO t1 VALUES('one', 'I', 1);
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}
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# This proc tests that we can open and manipulate the test.db
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# database, and that it is possible to retreive values in
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# various text encodings.
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#
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proc run_test_script {t enc} {
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# Open the database and pull out a (the) row.
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do_test $t.1 {
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sqlite3 db test.db; set DB [sqlite3_connection_pointer db]
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execsql {SELECT * FROM t1}
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} {one I 1}
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# Insert some data
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do_test $t.2 {
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execsql {INSERT INTO t1 VALUES('two', 'II', 2);}
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execsql {SELECT * FROM t1}
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} {one I 1 two II 2}
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# Insert some data
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do_test $t.3 {
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execsql {
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INSERT INTO t1 VALUES('three','III',3);
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INSERT INTO t1 VALUES('four','IV',4);
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INSERT INTO t1 VALUES('five','V',5);
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}
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execsql {SELECT * FROM t1}
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} {one I 1 two II 2 three III 3 four IV 4 five V 5}
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# Use the index
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do_test $t.4 {
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execsql {
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SELECT * FROM t1 WHERE a = 'one';
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}
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} {one I 1}
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do_test $t.5 {
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execsql {
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SELECT * FROM t1 WHERE a = 'four';
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}
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} {four IV 4}
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ifcapable subquery {
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do_test $t.6 {
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execsql {
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SELECT * FROM t1 WHERE a IN ('one', 'two');
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}
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} {one I 1 two II 2}
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}
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# Now check that we can retrieve data in both UTF-16 and UTF-8
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do_test $t.7 {
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set STMT [sqlite3_prepare $DB "SELECT a FROM t1 WHERE c>3;" -1 TAIL]
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sqlite3_step $STMT
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sqlite3_column_text $STMT 0
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} {four}
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do_test $t.8 {
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sqlite3_step $STMT
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utf8 [sqlite3_column_text16 $STMT 0]
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} {five}
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do_test $t.9 {
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sqlite3_finalize $STMT
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} SQLITE_OK
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ifcapable vacuum {
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execsql VACUUM
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}
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do_test $t.10 {
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db eval {PRAGMA encoding}
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} $enc
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}
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# The three unicode encodings understood by SQLite.
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set encodings [list UTF-8 UTF-16le UTF-16be]
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set sqlite_os_trace 0
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set i 1
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foreach enc $encodings {
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file delete -force test.db
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sqlite3 db test.db
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db eval "PRAGMA encoding = \"$enc\""
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execsql $dbcontents
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db close
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run_test_script enc2-$i $enc
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db close
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incr i
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}
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# Test that it is an error to try to attach a database with a different
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# encoding to the main database.
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do_test enc2-4.1 {
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file delete -force test.db
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sqlite3 db test.db
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db eval "PRAGMA encoding = 'UTF-8'"
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db eval "CREATE TABLE abc(a, b, c);"
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} {}
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do_test enc2-4.2 {
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file delete -force test2.db
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sqlite3 db2 test2.db
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db2 eval "PRAGMA encoding = 'UTF-16'"
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db2 eval "CREATE TABLE abc(a, b, c);"
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} {}
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do_test enc2-4.3 {
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catchsql {
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ATTACH 'test2.db' as aux;
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}
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} {1 {attached databases must use the same text encoding as main database}}
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db2 close
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db close
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# The following tests - enc2-5.* - test that SQLite selects the correct
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# collation sequence when more than one is available.
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set ::values [list one two three four five]
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set ::test_collate_enc INVALID
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proc test_collate {enc lhs rhs} {
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set ::test_collate_enc $enc
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set l [lsearch -exact $::values $lhs]
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set r [lsearch -exact $::values $rhs]
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set res [expr $l - $r]
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# puts "enc=$enc lhs=$lhs/$l rhs=$rhs/$r res=$res"
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return $res
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}
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file delete -force test.db
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sqlite3 db test.db; set DB [sqlite3_connection_pointer db]
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do_test enc2-5.0 {
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execsql {
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CREATE TABLE t5(a);
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INSERT INTO t5 VALUES('one');
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INSERT INTO t5 VALUES('two');
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INSERT INTO t5 VALUES('five');
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INSERT INTO t5 VALUES('three');
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INSERT INTO t5 VALUES('four');
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}
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} {}
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do_test enc2-5.1 {
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add_test_collate $DB 1 1 1
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set res [execsql {SELECT * FROM t5 ORDER BY 1 COLLATE test_collate;}]
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lappend res $::test_collate_enc
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} {one two three four five UTF-8}
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do_test enc2-5.2 {
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add_test_collate $DB 0 1 0
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set res [execsql {SELECT * FROM t5 ORDER BY 1 COLLATE test_collate}]
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lappend res $::test_collate_enc
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} {one two three four five UTF-16LE}
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do_test enc2-5.3 {
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add_test_collate $DB 0 0 1
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set res [execsql {SELECT * FROM t5 ORDER BY 1 COLLATE test_collate}]
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lappend res $::test_collate_enc
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} {one two three four five UTF-16BE}
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db close
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file delete -force test.db
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sqlite3 db test.db; set DB [sqlite3_connection_pointer db]
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execsql {pragma encoding = 'UTF-16LE'}
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do_test enc2-5.4 {
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execsql {
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CREATE TABLE t5(a);
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INSERT INTO t5 VALUES('one');
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INSERT INTO t5 VALUES('two');
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INSERT INTO t5 VALUES('five');
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INSERT INTO t5 VALUES('three');
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INSERT INTO t5 VALUES('four');
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}
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} {}
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do_test enc2-5.5 {
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add_test_collate $DB 1 1 1
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set res [execsql {SELECT * FROM t5 ORDER BY 1 COLLATE test_collate}]
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lappend res $::test_collate_enc
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} {one two three four five UTF-16LE}
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do_test enc2-5.6 {
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add_test_collate $DB 1 0 1
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set res [execsql {SELECT * FROM t5 ORDER BY 1 COLLATE test_collate}]
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lappend res $::test_collate_enc
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} {one two three four five UTF-16BE}
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do_test enc2-5.7 {
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add_test_collate $DB 1 0 0
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set res [execsql {SELECT * FROM t5 ORDER BY 1 COLLATE test_collate}]
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lappend res $::test_collate_enc
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} {one two three four five UTF-8}
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db close
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file delete -force test.db
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sqlite3 db test.db; set DB [sqlite3_connection_pointer db]
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execsql {pragma encoding = 'UTF-16BE'}
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do_test enc2-5.8 {
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execsql {
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CREATE TABLE t5(a);
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INSERT INTO t5 VALUES('one');
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INSERT INTO t5 VALUES('two');
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INSERT INTO t5 VALUES('five');
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INSERT INTO t5 VALUES('three');
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INSERT INTO t5 VALUES('four');
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}
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} {}
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do_test enc2-5.9 {
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add_test_collate $DB 1 1 1
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set res [execsql {SELECT * FROM t5 ORDER BY 1 COLLATE test_collate}]
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lappend res $::test_collate_enc
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} {one two three four five UTF-16BE}
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do_test enc2-5.10 {
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add_test_collate $DB 1 1 0
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set res [execsql {SELECT * FROM t5 ORDER BY 1 COLLATE test_collate}]
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lappend res $::test_collate_enc
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} {one two three four five UTF-16LE}
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do_test enc2-5.11 {
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add_test_collate $DB 1 0 0
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set res [execsql {SELECT * FROM t5 ORDER BY 1 COLLATE test_collate}]
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lappend res $::test_collate_enc
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} {one two three four five UTF-8}
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# Also test that a UTF-16 collation factory works.
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do_test enc2-5-12 {
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add_test_collate $DB 0 0 0
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catchsql {
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SELECT * FROM t5 ORDER BY 1 COLLATE test_collate
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}
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} {1 {no such collation sequence: test_collate}}
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do_test enc2-5.13 {
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add_test_collate_needed $DB
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set res [execsql {SELECT * FROM t5 ORDER BY 1 COLLATE test_collate; }]
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lappend res $::test_collate_enc
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} {one two three four five UTF-16BE}
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do_test enc2-5.14 {
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set ::sqlite_last_needed_collation
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} test_collate
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db close
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file delete -force test.db
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do_test enc2-5.15 {
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sqlite3 db test.db; set ::DB [sqlite3_connection_pointer db]
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add_test_collate_needed $::DB
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set ::sqlite_last_needed_collation
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} {}
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do_test enc2-5.16 {
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execsql {CREATE TABLE t1(a varchar collate test_collate);}
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} {}
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do_test enc2-5.17 {
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set ::sqlite_last_needed_collation
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} {test_collate}
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# The following tests - enc2-6.* - test that SQLite selects the correct
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# user function when more than one is available.
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proc test_function {enc arg} {
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return "$enc $arg"
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}
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db close
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file delete -force test.db
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sqlite3 db test.db; set DB [sqlite3_connection_pointer db]
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execsql {pragma encoding = 'UTF-8'}
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do_test enc2-6.0 {
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execsql {
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CREATE TABLE t5(a);
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INSERT INTO t5 VALUES('one');
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}
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} {}
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do_test enc2-6.1 {
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add_test_function $DB 1 1 1
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execsql {
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SELECT test_function('sqlite')
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}
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} {{UTF-8 sqlite}}
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db close
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sqlite3 db test.db; set DB [sqlite3_connection_pointer db]
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do_test enc2-6.2 {
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add_test_function $DB 0 1 0
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execsql {
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SELECT test_function('sqlite')
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}
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} {{UTF-16LE sqlite}}
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db close
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sqlite3 db test.db; set DB [sqlite3_connection_pointer db]
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do_test enc2-6.3 {
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add_test_function $DB 0 0 1
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execsql {
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SELECT test_function('sqlite')
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}
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} {{UTF-16BE sqlite}}
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db close
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file delete -force test.db
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sqlite3 db test.db; set DB [sqlite3_connection_pointer db]
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execsql {pragma encoding = 'UTF-16LE'}
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do_test enc2-6.3 {
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execsql {
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CREATE TABLE t5(a);
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INSERT INTO t5 VALUES('sqlite');
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}
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} {}
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do_test enc2-6.4 {
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add_test_function $DB 1 1 1
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execsql {
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SELECT test_function('sqlite')
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}
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} {{UTF-16LE sqlite}}
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db close
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sqlite3 db test.db; set DB [sqlite3_connection_pointer db]
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do_test enc2-6.5 {
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add_test_function $DB 0 1 0
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execsql {
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SELECT test_function('sqlite')
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}
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} {{UTF-16LE sqlite}}
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db close
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sqlite3 db test.db; set DB [sqlite3_connection_pointer db]
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do_test enc2-6.6 {
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add_test_function $DB 0 0 1
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execsql {
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SELECT test_function('sqlite')
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}
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} {{UTF-16BE sqlite}}
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db close
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file delete -force test.db
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sqlite3 db test.db; set DB [sqlite3_connection_pointer db]
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execsql {pragma encoding = 'UTF-16BE'}
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do_test enc2-6.7 {
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execsql {
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CREATE TABLE t5(a);
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INSERT INTO t5 VALUES('sqlite');
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}
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} {}
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do_test enc2-6.8 {
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add_test_function $DB 1 1 1
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execsql {
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SELECT test_function('sqlite')
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}
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} {{UTF-16BE sqlite}}
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db close
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sqlite3 db test.db; set DB [sqlite3_connection_pointer db]
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do_test enc2-6.9 {
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add_test_function $DB 0 1 0
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execsql {
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SELECT test_function('sqlite')
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}
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} {{UTF-16LE sqlite}}
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db close
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sqlite3 db test.db; set DB [sqlite3_connection_pointer db]
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do_test enc2-6.10 {
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add_test_function $DB 0 0 1
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execsql {
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SELECT test_function('sqlite')
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}
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} {{UTF-16BE sqlite}}
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db close
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file delete -force test.db
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# The following tests - enc2-7.* - function as follows:
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#
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# 1: Open an empty database file assuming UTF-16 encoding.
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# 2: Open the same database with a different handle assuming UTF-8. Create
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# a table using this handle.
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# 3: Read the sqlite_master table from the first handle.
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# 4: Ensure the first handle recognises the database encoding is UTF-8.
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#
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do_test enc2-7.1 {
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sqlite3 db test.db
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execsql {
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PRAGMA encoding = 'UTF-16';
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SELECT * FROM sqlite_master;
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}
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} {}
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do_test enc2-7.2 {
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set enc [execsql {
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PRAGMA encoding;
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}]
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string range $enc 0 end-2 ;# Chop off the "le" or "be"
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} {UTF-16}
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do_test enc2-7.3 {
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sqlite3 db2 test.db
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execsql {
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PRAGMA encoding = 'UTF-8';
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CREATE TABLE abc(a, b, c);
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} db2
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} {}
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do_test enc2-7.4 {
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execsql {
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SELECT * FROM sqlite_master;
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}
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} "table abc abc [expr $AUTOVACUUM?3:2] {CREATE TABLE abc(a, b, c)}"
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do_test enc2-7.5 {
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execsql {
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PRAGMA encoding;
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}
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} {UTF-8}
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db close
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db2 close
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proc utf16 {utf8} {
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set utf16 [encoding convertto unicode $utf8]
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append utf16 "\x00\x00"
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return $utf16
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}
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ifcapable {complete} {
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do_test enc2-8.1 {
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sqlite3_complete16 [utf16 "SELECT * FROM t1;"]
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} {1}
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do_test enc2-8.2 {
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sqlite3_complete16 [utf16 "SELECT * FROM"]
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} {0}
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}
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# Test that the encoding of an empty database may still be set after the
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# (empty) schema has been initialized.
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file delete -force test.db
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do_test enc2-9.1 {
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sqlite3 db test.db
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execsql {
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PRAGMA encoding = 'UTF-8';
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PRAGMA encoding;
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}
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} {UTF-8}
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do_test enc2-9.2 {
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sqlite3 db test.db
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execsql {
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PRAGMA encoding = 'UTF-16le';
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PRAGMA encoding;
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}
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} {UTF-16le}
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do_test enc2-9.3 {
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sqlite3 db test.db
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execsql {
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SELECT * FROM sqlite_master;
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PRAGMA encoding = 'UTF-8';
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PRAGMA encoding;
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}
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} {UTF-8}
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do_test enc2-9.4 {
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sqlite3 db test.db
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execsql {
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PRAGMA encoding = 'UTF-16le';
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CREATE TABLE abc(a, b, c);
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PRAGMA encoding;
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}
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} {UTF-16le}
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do_test enc2-9.5 {
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sqlite3 db test.db
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execsql {
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PRAGMA encoding = 'UTF-8';
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PRAGMA encoding;
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}
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} {UTF-16le}
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finish_test
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