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253 lines
7.2 KiB
Plaintext
253 lines
7.2 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: enc.test,v 1.7 2007/05/23 16:23:09 danielk1977 Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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# Skip this test if the build does not support multiple encodings.
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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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proc do_bincmp_test {testname got expect} {
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binary scan $expect \c* expectvals
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binary scan $got \c* gotvals
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do_test $testname [list set dummy $gotvals] $expectvals
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}
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# $utf16 is a UTF-16 encoded string. Swap each pair of bytes around
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# to change the byte-order of the string.
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proc swap_byte_order {utf16} {
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binary scan $utf16 \c* ints
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foreach {a b} $ints {
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lappend ints2 $b
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lappend ints2 $a
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}
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return [binary format \c* $ints2]
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}
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#
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# Test that the SQLite routines for converting between UTF encodings
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# produce the same results as their TCL counterparts.
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#
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# $testname is the prefix to be used for the test names.
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# $str is a string to use for testing (encoded in UTF-8, as normal for TCL).
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#
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# The test procedure is:
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# 1. Convert the string from UTF-8 to UTF-16le and check that the TCL and
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# SQLite routines produce the same results.
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#
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# 2. Convert the string from UTF-8 to UTF-16be and check that the TCL and
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# SQLite routines produce the same results.
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#
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# 3. Use the SQLite routines to convert the native machine order UTF-16
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# representation back to the original UTF-8. Check that the result
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# matches the original representation.
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#
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# 4. Add a byte-order mark to each of the UTF-16 representations and
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# check that the SQLite routines can convert them back to UTF-8. For
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# byte-order mark info, refer to section 3.10 of the unicode standard.
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#
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# 5. Take the byte-order marked UTF-16 strings from step 4 and ensure
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# that SQLite can convert them both to native byte order UTF-16
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# strings, sans BOM.
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#
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# Coverage:
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#
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# sqlite_utf8to16be (step 2)
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# sqlite_utf8to16le (step 1)
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# sqlite_utf16to8 (steps 3, 4)
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# sqlite_utf16to16le (step 5)
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# sqlite_utf16to16be (step 5)
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#
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proc test_conversion {testname str} {
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# Step 1.
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set utf16le_sqlite3 [test_translate $str UTF8 UTF16LE]
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set utf16le_tcl [encoding convertto unicode $str]
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append utf16le_tcl "\x00\x00"
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if { $::tcl_platform(byteOrder)!="littleEndian" } {
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set utf16le_tcl [swap_byte_order $utf16le_tcl]
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}
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do_bincmp_test $testname.1 $utf16le_sqlite3 $utf16le_tcl
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set utf16le $utf16le_tcl
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# Step 2.
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set utf16be_sqlite3 [test_translate $str UTF8 UTF16BE]
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set utf16be_tcl [encoding convertto unicode $str]
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append utf16be_tcl "\x00\x00"
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if { $::tcl_platform(byteOrder)=="littleEndian" } {
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set utf16be_tcl [swap_byte_order $utf16be_tcl]
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}
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do_bincmp_test $testname.2 $utf16be_sqlite3 $utf16be_tcl
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set utf16be $utf16be_tcl
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# Step 3.
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if { $::tcl_platform(byteOrder)=="littleEndian" } {
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set utf16 $utf16le
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} else {
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set utf16 $utf16be
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}
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set utf8_sqlite3 [test_translate $utf16 UTF16 UTF8]
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do_bincmp_test $testname.3 $utf8_sqlite3 [binarize $str]
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# Step 4 (little endian).
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append utf16le_bom "\xFF\xFE" $utf16le
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set utf8_sqlite3 [test_translate $utf16le_bom UTF16 UTF8 1]
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do_bincmp_test $testname.4.le $utf8_sqlite3 [binarize $str]
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# Step 4 (big endian).
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append utf16be_bom "\xFE\xFF" $utf16be
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set utf8_sqlite3 [test_translate $utf16be_bom UTF16 UTF8]
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do_bincmp_test $testname.4.be $utf8_sqlite3 [binarize $str]
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# Step 5 (little endian to little endian).
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set utf16_sqlite3 [test_translate $utf16le_bom UTF16LE UTF16LE]
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do_bincmp_test $testname.5.le.le $utf16_sqlite3 $utf16le
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# Step 5 (big endian to big endian).
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set utf16_sqlite3 [test_translate $utf16be_bom UTF16 UTF16BE]
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do_bincmp_test $testname.5.be.be $utf16_sqlite3 $utf16be
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# Step 5 (big endian to little endian).
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set utf16_sqlite3 [test_translate $utf16be_bom UTF16 UTF16LE]
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do_bincmp_test $testname.5.be.le $utf16_sqlite3 $utf16le
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# Step 5 (little endian to big endian).
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set utf16_sqlite3 [test_translate $utf16le_bom UTF16 UTF16BE]
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do_bincmp_test $testname.5.le.be $utf16_sqlite3 $utf16be
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}
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translate_selftest
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test_conversion enc-1 "hello world"
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test_conversion enc-2 "sqlite"
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test_conversion enc-3 ""
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test_conversion enc-X "\u0100"
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test_conversion enc-4 "\u1234"
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test_conversion enc-5 "\u4321abc"
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test_conversion enc-6 "\u4321\u1234"
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test_conversion enc-7 [string repeat "abcde\u00EF\u00EE\uFFFCabc" 100]
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test_conversion enc-8 [string repeat "\u007E\u007F\u0080\u0081" 100]
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test_conversion enc-9 [string repeat "\u07FE\u07FF\u0800\u0801\uFFF0" 100]
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test_conversion enc-10 [string repeat "\uE000" 100]
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proc test_collate {enc zLeft zRight} {
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return [string compare $zLeft $zRight]
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}
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add_test_collate $::DB 0 0 1
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do_test enc-11.1 {
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execsql {
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CREATE TABLE ab(a COLLATE test_collate, b);
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INSERT INTO ab VALUES(CAST (X'C388' AS TEXT), X'888800');
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INSERT INTO ab VALUES(CAST (X'C0808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808080808388' AS TEXT), X'888800');
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CREATE INDEX ab_i ON ab(a, b);
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}
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} {}
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do_test enc-11.2 {
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set cp200 "\u00C8"
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execsql {
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SELECT count(*) FROM ab WHERE a = $::cp200;
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}
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} {2}
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#-------------------------------------------------------------------------
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reset_db
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forcedelete test.db2
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forcedelete test.db3
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do_execsql_test enc-12.0 {
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PRAGMA encoding = 'utf-8';
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CREATE TABLE t1(a, b, c);
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INSERT INTO t1 VALUES('a', 'b', 'c');
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ATTACH 'test.db3' AS aux;
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CREATE TABLE aux.t3(x, y, z);
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INSERT INTO t3 VALUES('xxx', 'yyy', 'zzz');
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PRAGMA encoding;
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} {UTF-8}
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do_test enc-12.1 {
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sqlite3 db2 test.db2
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db2 eval {
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PRAGMA encoding = 'UTF-16le';
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CREATE TABLE t2(d, e, f);
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INSERT INTO t2 VALUES('d', 'e', 'f');
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PRAGMA encoding;
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}
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} {UTF-16le}
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do_test enc-12.2 {
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db2 backup test.db
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db2 close
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} {}
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do_catchsql_test enc-12.3 {
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SELECT * FROM t2;
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} {1 {attached databases must use the same text encoding as main database}}
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db close
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sqlite3 db test.db3
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do_execsql_test enc-12.4 {
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SELECT * FROM t3;
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PRAGMA encoding = 'UTF-16le';
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SELECT * FROM t3;
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} {xxx yyy zzz xxx yyy zzz}
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db close
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sqlite3 db test.db3
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breakpoint
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do_execsql_test enc-12.5 {
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PRAGMA encoding = 'UTF-16le';
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PRAGMA encoding;
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} {UTF-8}
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reset_db
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do_execsql_test enc-12.6 {
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PRAGMA encoding = 'UTF-8';
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CREATE TEMP TABLE t1(a, b, c);
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INSERT INTO t1 VALUES('xxx', 'yyy', 'zzz');
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}
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do_test enc-12.7 {
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sqlite3 db2 test.db2
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db2 backup test.db
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db2 close
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db eval {
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SELECT * FROM t1;
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}
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} {xxx yyy zzz}
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do_catchsql_test enc-12.8 {
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SELECT * FROM t2;
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SELECT * FROM t1;
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} {1 {attached databases must use the same text encoding as main database}}
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db close
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sqlite3 db test.db
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do_execsql_test enc-12.9 {
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CREATE TEMP TABLE t1(a, b, c);
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INSERT INTO t1 VALUES('xxx', 'yyy', 'zzz');
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}
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do_execsql_test enc-12.10 {
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SELECT * FROM t2;
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SELECT * FROM t1;
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} {d e f xxx yyy zzz}
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finish_test
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