mirror of
https://github.com/DBD-SQLite/DBD-SQLite
synced 2025-06-07 14:19:10 -04:00
97 lines
2.8 KiB
Perl
97 lines
2.8 KiB
Perl
#!/usr/bin/perl
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# This is a test for correct handling of the "unicode" database
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# handle parameter.
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use strict;
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BEGIN {
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$| = 1;
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$^W = 1;
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}
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use Test::More tests => 16;
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use Test::NoWarnings;
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use t::lib::Test;
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#
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# Include std stuff
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#
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use Carp;
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use DBI qw(:sql_types);
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no bytes; # Unintuitively, still has the effect of loading bytes.pm :-)
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# Portable albeit kludgy: detects UTF-8 promotion of $hibyte from
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# the abnormal length increase of $string concatenated to it.
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sub is_utf8 {
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no bytes;
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my ($string) = @_;
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my $hibyte = pack("C", 0xe9);
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my @lengths = map { bytes::length($_) } ($string, $string . $hibyte);
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return ($lengths[0] + 1 < $lengths[1]);
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}
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# First, some UTF-8 framework self-test:
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my @isochars = (ord("K"), 0xf6, ord("n"), ord("i"), ord("g"));
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my $bytestring = pack("C*", @isochars);
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my $utfstring = pack("U*", @isochars);
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ok(length($bytestring) == @isochars, 'Correct length for $bytestring');
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ok(length($utfstring) == @isochars, 'Correct length for $utfstring');
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ok(is_utf8($utfstring),
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'$utfstring should be marked as UTF-8 by Perl');
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ok(! is_utf8($bytestring),
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'$bytestring should *NOT* be marked as UTF-8 by Perl');
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### Real DBD::SQLite testing starts here
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my $dbh = connect_ok( RaiseError => 1 );
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ok(
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$dbh->do("CREATE TABLE table1 (a TEXT, b BLOB)"),
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'CREATE TABLE',
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);
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# Sends $ain and $bin into TEXT resp. BLOB columns the database, then
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# reads them again and returns the result as a list ($aout, $bout).
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sub database_roundtrip {
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my ($ain, $bin) = @_;
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$dbh->do("DELETE FROM table1");
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my $sth = $dbh->prepare("INSERT INTO table1 (a, b) VALUES (?, ?)");
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$sth->bind_param(1, $ain, SQL_VARCHAR);
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$sth->bind_param(2, $bin, SQL_BLOB);
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$sth->execute();
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$sth = $dbh->prepare("SELECT a, b FROM table1");
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$sth->execute();
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my @row = $sth->fetchrow_array;
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undef $sth;
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croak "Bad row length ".@row unless (@row == 2);
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@row;
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}
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my ($textback, $bytesback) = database_roundtrip($bytestring, $bytestring);
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ok(! is_utf8($bytesback), "Reading blob gives binary");
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ok(! is_utf8($textback), "Reading text gives binary too (for now)");
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ok($bytesback eq $bytestring, "No blob corruption");
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ok($textback eq $bytestring, "Same text, different encoding");
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# Start over but now activate Unicode support.
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$dbh->{unicode} = 1;
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($textback, $bytesback) = database_roundtrip($utfstring, $bytestring);
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ok(! is_utf8($bytesback), "Reading blob still gives binary");
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ok(is_utf8($textback), "Reading text returns UTF-8");
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ok($bytesback eq $bytestring, "Still no blob corruption");
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ok($textback eq $utfstring, "Same text");
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my $lengths = $dbh->selectall_arrayref(
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"SELECT length(a), length(b) FROM table1"
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);
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ok($lengths->[0]->[0] == $lengths->[0]->[1],
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"Database actually understands char set") or
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warn "($lengths->[0]->[0] != $lengths->[0]->[1])";
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