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| -rw-r--r-- | test/enc2.test | 567 |
1 files changed, 567 insertions, 0 deletions
diff --git a/test/enc2.test b/test/enc2.test new file mode 100644 index 0000000..81e7bfd --- /dev/null +++ b/test/enc2.test @@ -0,0 +1,567 @@ +# 2002 May 24 +# +# 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 the SQLite routines used for converting between the +# various suported unicode encodings (UTF-8, UTF-16, UTF-16le and +# UTF-16be). +# + +set testdir [file dirname $argv0] +source $testdir/tester.tcl + +# If UTF16 support is disabled, ignore the tests in this file +# +ifcapable {!utf16} { + finish_test + return +} + +# The rough organisation of tests in this file is: +# +# enc2.1.*: Simple tests with a UTF-8 db. +# enc2.2.*: Simple tests with a UTF-16LE db. +# enc2.3.*: Simple tests with a UTF-16BE db. +# enc2.4.*: Test that attached databases must have the same text encoding +# as the main database. +# enc2.5.*: Test the behavior of the library when a collation sequence is +# not available for the most desirable text encoding. +# enc2.6.*: Similar test for user functions. +# enc2.7.*: Test that the VerifyCookie opcode protects against assuming the +# wrong text encoding for the database. +# enc2.8.*: Test sqlite3_complete16() +# + +db close + +# Return the UTF-8 representation of the supplied UTF-16 string $str. +proc utf8 {str} { + # If $str ends in two 0x00 0x00 bytes, knock these off before + # converting to UTF-8 using TCL. + binary scan $str \c* vals + if {[lindex $vals end]==0 && [lindex $vals end-1]==0} { + set str [binary format \c* [lrange $vals 0 end-2]] + } + + set r [encoding convertfrom unicode $str] + return $r +} + +# +# This proc contains all the tests in this file. It is run +# three times. Each time the file 'test.db' contains a database +# with the following contents: +set dbcontents { + CREATE TABLE t1(a PRIMARY KEY, b, c); + INSERT INTO t1 VALUES('one', 'I', 1); +} +# This proc tests that we can open and manipulate the test.db +# database, and that it is possible to retreive values in +# various text encodings. +# +proc run_test_script {t enc} { + +# Open the database and pull out a (the) row. +do_test $t.1 { + sqlite3 db test.db; set DB [sqlite3_connection_pointer db] + execsql {SELECT * FROM t1} +} {one I 1} + +# Insert some data +do_test $t.2 { + execsql {INSERT INTO t1 VALUES('two', 'II', 2);} + execsql {SELECT * FROM t1} +} {one I 1 two II 2} + +# Insert some data +do_test $t.3 { + execsql { + INSERT INTO t1 VALUES('three','III',3); + INSERT INTO t1 VALUES('four','IV',4); + INSERT INTO t1 VALUES('five','V',5); + } + execsql {SELECT * FROM t1} +} {one I 1 two II 2 three III 3 four IV 4 five V 5} + +# Use the index +do_test $t.4 { + execsql { + SELECT * FROM t1 WHERE a = 'one'; + } +} {one I 1} +do_test $t.5 { + execsql { + SELECT * FROM t1 WHERE a = 'four'; + } +} {four IV 4} +ifcapable subquery { + do_test $t.6 { + execsql { + SELECT * FROM t1 WHERE a IN ('one', 'two'); + } + } {one I 1 two II 2} +} + +# Now check that we can retrieve data in both UTF-16 and UTF-8 +do_test $t.7 { + set STMT [sqlite3_prepare $DB "SELECT a FROM t1 WHERE c>3;" -1 TAIL] + sqlite3_step $STMT + sqlite3_column_text $STMT 0 +} {four} + +do_test $t.8 { + sqlite3_step $STMT + utf8 [sqlite3_column_text16 $STMT 0] +} {five} + +do_test $t.9 { + sqlite3_finalize $STMT +} SQLITE_OK + +ifcapable vacuum { + execsql VACUUM +} + +do_test $t.10 { + db eval {PRAGMA encoding} +} $enc + +} + +# The three unicode encodings understood by SQLite. +set encodings [list UTF-8 UTF-16le UTF-16be] + +set sqlite_os_trace 0 +set i 1 +foreach enc $encodings { + forcedelete test.db + sqlite3 db test.db + db eval "PRAGMA encoding = \"$enc\"" + execsql $dbcontents + do_test enc2-$i.0.1 { + db eval {PRAGMA encoding} + } $enc + do_test enc2-$i.0.2 { + db eval {PRAGMA encoding=UTF8} + db eval {PRAGMA encoding} + } $enc + do_test enc2-$i.0.3 { + db eval {PRAGMA encoding=UTF16le} + db eval {PRAGMA encoding} + } $enc + do_test enc2-$i.0.4 { + db eval {PRAGMA encoding=UTF16be} + db eval {PRAGMA encoding} + } $enc + + db close + run_test_script enc2-$i $enc + db close + incr i +} + +# Test that it is an error to try to attach a database with a different +# encoding to the main database. +ifcapable attach { + do_test enc2-4.1 { + forcedelete test.db + sqlite3 db test.db + db eval "PRAGMA encoding = 'UTF-8'" + db eval "CREATE TABLE abc(a, b, c);" + } {} + do_test enc2-4.2 { + forcedelete test2.db + sqlite3 db2 test2.db + db2 eval "PRAGMA encoding = 'UTF-16'" + db2 eval "CREATE TABLE abc(a, b, c);" + } {} + do_test enc2-4.3 { + catchsql { + ATTACH 'test2.db' as aux; + } + } {1 {attached databases must use the same text encoding as main database}} + db2 close + db close +} + +# The following tests - enc2-5.* - test that SQLite selects the correct +# collation sequence when more than one is available. + +set ::values [list one two three four five] +set ::test_collate_enc INVALID +proc test_collate {enc lhs rhs} { + set ::test_collate_enc $enc + set l [lsearch -exact $::values $lhs] + set r [lsearch -exact $::values $rhs] + set res [expr $l - $r] + # puts "enc=$enc lhs=$lhs/$l rhs=$rhs/$r res=$res" + return $res +} + +forcedelete test.db +sqlite3 db test.db; set DB [sqlite3_connection_pointer db] +do_test enc2-5.0 { + execsql { + CREATE TABLE t5(a); + INSERT INTO t5 VALUES('one'); + INSERT INTO t5 VALUES('two'); + INSERT INTO t5 VALUES('five'); + INSERT INTO t5 VALUES('three'); + INSERT INTO t5 VALUES('four'); + } +} {} +do_test enc2-5.1 { + add_test_collate $DB 1 1 1 + set res [execsql {SELECT * FROM t5 ORDER BY 1 COLLATE test_collate;}] + lappend res $::test_collate_enc +} {one two three four five UTF-8} +do_test enc2-5.2 { + add_test_collate $DB 0 1 0 + set res [execsql {SELECT * FROM t5 ORDER BY 1 COLLATE test_collate}] + lappend res $::test_collate_enc +} {one two three four five UTF-16LE} +do_test enc2-5.3 { + add_test_collate $DB 0 0 1 + set res [execsql {SELECT * FROM t5 ORDER BY 1 COLLATE test_collate}] + lappend res $::test_collate_enc +} {one two three four five UTF-16BE} + +db close +forcedelete test.db +sqlite3 db test.db; set DB [sqlite3_connection_pointer db] +execsql {pragma encoding = 'UTF-16LE'} +do_test enc2-5.4 { + execsql { + CREATE TABLE t5(a); + INSERT INTO t5 VALUES('one'); + INSERT INTO t5 VALUES('two'); + INSERT INTO t5 VALUES('five'); + INSERT INTO t5 VALUES('three'); + INSERT INTO t5 VALUES('four'); + } +} {} +do_test enc2-5.5 { + add_test_collate $DB 1 1 1 + set res [execsql {SELECT * FROM t5 ORDER BY 1 COLLATE test_collate}] + lappend res $::test_collate_enc +} {one two three four five UTF-16LE} +do_test enc2-5.6 { + add_test_collate $DB 1 0 1 + set res [execsql {SELECT * FROM t5 ORDER BY 1 COLLATE test_collate}] + lappend res $::test_collate_enc +} {one two three four five UTF-16BE} +do_test enc2-5.7 { + add_test_collate $DB 1 0 0 + set res [execsql {SELECT * FROM t5 ORDER BY 1 COLLATE test_collate}] + lappend res $::test_collate_enc +} {one two three four five UTF-8} + +db close +forcedelete test.db +sqlite3 db test.db; set DB [sqlite3_connection_pointer db] +execsql {pragma encoding = 'UTF-16BE'} +do_test enc2-5.8 { + execsql { + CREATE TABLE t5(a); + INSERT INTO t5 VALUES('one'); + INSERT INTO t5 VALUES('two'); + INSERT INTO t5 VALUES('five'); + INSERT INTO t5 VALUES('three'); + INSERT INTO t5 VALUES('four'); + } +} {} +do_test enc2-5.9 { + add_test_collate $DB 1 1 1 + set res [execsql {SELECT * FROM t5 ORDER BY 1 COLLATE test_collate}] + lappend res $::test_collate_enc +} {one two three four five UTF-16BE} +do_test enc2-5.10 { + add_test_collate $DB 1 1 0 + set res [execsql {SELECT * FROM t5 ORDER BY 1 COLLATE test_collate}] + lappend res $::test_collate_enc +} {one two three four five UTF-16LE} +do_test enc2-5.11 { + add_test_collate $DB 1 0 0 + set res [execsql {SELECT * FROM t5 ORDER BY 1 COLLATE test_collate}] + lappend res $::test_collate_enc +} {one two three four five UTF-8} + +# Also test that a UTF-16 collation factory works. +do_test enc2-5-12 { + add_test_collate $DB 0 0 0 + catchsql { + SELECT * FROM t5 ORDER BY 1 COLLATE test_collate + } +} {1 {no such collation sequence: test_collate}} +do_test enc2-5.13 { + add_test_collate_needed $DB + set res [execsql {SELECT * FROM t5 ORDER BY 1 COLLATE test_collate; }] + lappend res $::test_collate_enc +} {one two three four five UTF-16BE} +do_test enc2-5.14 { + set ::sqlite_last_needed_collation +} test_collate + +db close +forcedelete test.db + +do_test enc2-5.15 { + sqlite3 db test.db; set ::DB [sqlite3_connection_pointer db] + add_test_collate_needed $::DB + set ::sqlite_last_needed_collation +} {} +do_test enc2-5.16 { + execsql {CREATE TABLE t1(a varchar collate test_collate);} +} {} +do_test enc2-5.17 { + set ::sqlite_last_needed_collation +} {test_collate} + +# The following tests - enc2-6.* - test that SQLite selects the correct +# user function when more than one is available. + +proc test_function {enc arg} { + return "$enc $arg" +} + +db close +forcedelete test.db +sqlite3 db test.db; set DB [sqlite3_connection_pointer db] +execsql {pragma encoding = 'UTF-8'} +do_test enc2-6.0 { + execsql { + CREATE TABLE t5(a); + INSERT INTO t5 VALUES('one'); + } +} {} +do_test enc2-6.1 { + add_test_function $DB 1 1 1 + execsql { + SELECT test_function('sqlite') + } +} {{UTF-8 sqlite}} +db close +sqlite3 db test.db; set DB [sqlite3_connection_pointer db] +do_test enc2-6.2 { + add_test_function $DB 0 1 0 + execsql { + SELECT test_function('sqlite') + } +} {{UTF-16LE sqlite}} +db close +sqlite3 db test.db; set DB [sqlite3_connection_pointer db] +do_test enc2-6.3 { + add_test_function $DB 0 0 1 + execsql { + SELECT test_function('sqlite') + } +} {{UTF-16BE sqlite}} + +db close +forcedelete test.db +sqlite3 db test.db; set DB [sqlite3_connection_pointer db] +execsql {pragma encoding = 'UTF-16LE'} +do_test enc2-6.3 { + execsql { + CREATE TABLE t5(a); + INSERT INTO t5 VALUES('sqlite'); + } +} {} +do_test enc2-6.4 { + add_test_function $DB 1 1 1 + execsql { + SELECT test_function('sqlite') + } +} {{UTF-16LE sqlite}} +db close +sqlite3 db test.db; set DB [sqlite3_connection_pointer db] +do_test enc2-6.5 { + add_test_function $DB 0 1 0 + execsql { + SELECT test_function('sqlite') + } +} {{UTF-16LE sqlite}} +db close +sqlite3 db test.db; set DB [sqlite3_connection_pointer db] +do_test enc2-6.6 { + add_test_function $DB 0 0 1 + execsql { + SELECT test_function('sqlite') + } +} {{UTF-16BE sqlite}} + +db close +forcedelete test.db +sqlite3 db test.db; set DB [sqlite3_connection_pointer db] +execsql {pragma encoding = 'UTF-16BE'} +do_test enc2-6.7 { + execsql { + CREATE TABLE t5(a); + INSERT INTO t5 VALUES('sqlite'); + } +} {} +do_test enc2-6.8 { + add_test_function $DB 1 1 1 + execsql { + SELECT test_function('sqlite') + } +} {{UTF-16BE sqlite}} +db close +sqlite3 db test.db; set DB [sqlite3_connection_pointer db] +do_test enc2-6.9 { + add_test_function $DB 0 1 0 + execsql { + SELECT test_function('sqlite') + } +} {{UTF-16LE sqlite}} +db close +sqlite3 db test.db; set DB [sqlite3_connection_pointer db] +do_test enc2-6.10 { + add_test_function $DB 0 0 1 + execsql { + SELECT test_function('sqlite') + } +} {{UTF-16BE sqlite}} + + +db close +forcedelete test.db + +# The following tests - enc2-7.* - function as follows: +# +# 1: Open an empty database file assuming UTF-16 encoding. +# 2: Open the same database with a different handle assuming UTF-8. Create +# a table using this handle. +# 3: Read the sqlite_master table from the first handle. +# 4: Ensure the first handle recognises the database encoding is UTF-8. +# +do_test enc2-7.1 { + sqlite3 db test.db + execsql { + PRAGMA encoding = 'UTF-16'; + SELECT * FROM sqlite_master; + } +} {} +do_test enc2-7.2 { + set enc [execsql { + PRAGMA encoding; + }] + string range $enc 0 end-2 ;# Chop off the "le" or "be" +} {UTF-16} +do_test enc2-7.3 { + sqlite3 db2 test.db + execsql { + PRAGMA encoding = 'UTF-8'; + CREATE TABLE abc(a, b, c); + } db2 +} {} +do_test enc2-7.4 { + execsql { + SELECT * FROM sqlite_master; + } +} "table abc abc [expr $AUTOVACUUM?3:2] {CREATE TABLE abc(a, b, c)}" +do_test enc2-7.5 { + execsql { + PRAGMA encoding; + } +} {UTF-8} + +db close +db2 close + +proc utf16 {utf8} { + set utf16 [encoding convertto unicode $utf8] + append utf16 "\x00\x00" + return $utf16 +} +ifcapable {complete} { + do_test enc2-8.1 { + sqlite3_complete16 [utf16 "SELECT * FROM t1;"] + } {1} + do_test enc2-8.2 { + sqlite3_complete16 [utf16 "SELECT * FROM"] + } {0} +} + +# Test that the encoding of an empty database may still be set after the +# (empty) schema has been initialized. +forcedelete test.db +do_test enc2-9.1 { + sqlite3 db test.db + execsql { + PRAGMA encoding = 'UTF-8'; + PRAGMA encoding; + } +} {UTF-8} +do_test enc2-9.2 { + sqlite3 db test.db + execsql { + PRAGMA encoding = 'UTF-16le'; + PRAGMA encoding; + } +} {UTF-16le} +do_test enc2-9.3 { + sqlite3 db test.db + execsql { + SELECT * FROM sqlite_master; + PRAGMA encoding = 'UTF-8'; + PRAGMA encoding; + } +} {UTF-8} +do_test enc2-9.4 { + sqlite3 db test.db + execsql { + PRAGMA encoding = 'UTF-16le'; + CREATE TABLE abc(a, b, c); + PRAGMA encoding; + } +} {UTF-16le} +do_test enc2-9.5 { + sqlite3 db test.db + execsql { + PRAGMA encoding = 'UTF-8'; + PRAGMA encoding; + } +} {UTF-16le} + +# Ticket #1987. +# Disallow encoding changes once the encoding has been set. +# +do_test enc2-10.1 { + db close + forcedelete test.db test.db-journal + sqlite3 db test.db + db eval { + PRAGMA encoding=UTF16; + CREATE TABLE t1(a); + PRAGMA encoding=UTF8; + CREATE TABLE t2(b); + } + db close + sqlite3 db test.db + db eval { + SELECT name FROM sqlite_master + } +} {t1 t2} + +# 2020-01-15 ticket a08879a4a476eea9 +# Do not allow a database connection encoding change unless *all* +# attached databases are empty. +# +reset_db +do_execsql_test enc2-11.10 { + PRAGMA encoding=UTF8; + CREATE TEMP TABLE t1(x); + INSERT INTO t1 VALUES('this is a test'); + PRAGMA encoding=UTF16; + SELECT * FROM t1; +} {{this is a test}} + +finish_test |