Add tests for new "named parameters are unsupported" error message.

If a named parameter is passed to bind_param() ensure the expected error
message is reported.

Author: JKDingwall

t/45bindnamedparam_error.t

@@ -0,0 +1,68 @@
+use strict;
+use warnings;
+
+use Test::More;
+use DBI;
+use vars qw($test_dsn $test_user $test_password);
+use lib 't', '.';
+require 'lib.pl';
+
+my $dbh;
+eval {$dbh = DBI->connect($test_dsn, $test_user, $test_password,
+  { RaiseError => 1, AutoCommit => 1}) or ServerError();};
+
+if ($@) {
+    plan skip_all => "no database connection";
+}
+plan tests => 15;
+
+SKIP: {
+    ok $dbh->do('SET @@auto_increment_offset = 1');
+    ok $dbh->do('SET @@auto_increment_increment = 1');
+}
+
+my $create= <<EOT;
+CREATE TEMPORARY TABLE dbd_mysql_t45bindnamedparam (
+    id INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
+    num INT(3))
+EOT
+
+ok $dbh->do($create), "create table dbd_mysql_t45bindnamedparam";
+
+ok $dbh->do("INSERT INTO dbd_mysql_t45bindnamedparam VALUES(NULL, 1)"), "insert into dbd_mysql_t45bindnamedparam (null, 1)";
+
+my $rows;
+ok ($rows= $dbh->selectall_arrayref("SELECT * FROM dbd_mysql_t45bindnamedparam"));
+
+is $rows->[0][1], 1, "\$rows->[0][1] == 1";
+
+my $sth;
+ok ($sth = $dbh->prepare("SELECT * FROM dbd_mysql_t45bindnamedparam WHERE num = :num"));
+
+$dbh->{PrintError} = 0;
+$dbh->{PrintWarn} = 0;
+eval {($sth->bind_param(":num", 1, SQL_INTEGER()));};
+$dbh->{PrintError} = 1;
+$dbh->{PrintWarn} = 1;
+ok defined($DBI::errstr);
+
+like($DBI::errstr, qr/named parameters are unsupported/, 'bind_param reports expected error with named parameter (string type)');
+
+ok ($sth->finish());
+
+
+ok ($sth = $dbh->prepare("SELECT * FROM dbd_mysql_t45bindnamedparam WHERE num = :num"));
+
+$dbh->{PrintError} = 0;
+$dbh->{PrintWarn} = 0;
+eval {($sth->bind_param("\0:num", 1, SQL_INTEGER()));};
+$dbh->{PrintError} = 1;
+$dbh->{PrintWarn} = 1;
+ok defined($DBI::errstr);
+
+like($DBI::errstr, qr/could not be coerced to a C string/, 'bind_param reports expected error with named parameter (non-string type)');
+
+ok ($sth->finish());
+
+
+ok ($dbh->disconnect());