--- a/_test/Test/SQL/Schema.pm	Mon Nov 09 01:39:31 2009 +0300
+++ b/_test/Test/SQL/Schema.pm	Mon Nov 09 16:49:39 2009 +0300
@@ -5,4 +5,106 @@
 use base qw(IMPL::Test::Unit);
 __PACKAGE__->PassThroughArgs;
 
+use IMPL::Class::Property;
+use IMPL::Class::Property::Direct;
+
+use IMPL::Test qw(test shared failed);
+
+BEGIN {
+    shared public property schemaDB => prop_all;
+}
+
+require IMPL::SQL::Schema;
+require IMPL::SQL::Schema::Constraint::Unique;
+
+use IMPL::SQL::Types qw(Integer Varchar);
+
+test CreateSchema => sub {
+    my ($this) = @_;
+    
+    my $schema = new IMPL::SQL::Schema(Name => 'dbTest', Version => 1) or failed "Failed to create schema";
+    
+    failed "Failed to set a schema name" unless $schema->Name eq 'dbTest';
+    failed "Failed to set a schema version" unless $schema->Version == 1;
+    
+    $this->schemaDB($schema);
+};
+
+test AddTable => sub {
+    my ($this) = @_;
+    
+    my $table = $this->schemaDB->AddTable({Name => 'User'}) or failed "Failed to add a table to the schema";
+    $table->InsertColumn({
+        Name => 'Id',
+        Type => Integer
+    });
+    $table->InsertColumn({
+        Name => 'Login',
+        Type => Varchar(255)
+    });
+    $table->InsertColumn({
+        Name => 'DisplayName',
+        CanBeNull => 1,
+        Type => Varchar(255)
+    });
+    $table->InsertColumn({
+        Name => 'RoleId',
+        CanBeNull => 1,
+        Type => Integer
+    });
+    
+    $table->SetPrimaryKey('Id');
+    
+    my $colCount = @{$table->Columns};
+    
+    failed "Failed to add columns", "Expected: 4", "Got: ".$colCount unless $colCount == 4;
+    failed "Failed to set a primary key" unless $table->PrimaryKey;
+    
+    my $table2 = $this->schemaDB->AddTable({Name => 'Role'});
+    $table2->InsertColumn({
+        Name => 'Id',
+        Type => Integer
+    });
+    $table2->InsertColumn({
+        Name => 'Description',
+        Type => Varchar(255)
+    });
+    $table2->InsertColumn({
+        Name => 'ObsoleteId',
+        Type => Integer
+    });
+    
+    $table2->SetPrimaryKey('Id');
+    
+    $table->LinkTo($table2,'RoleId');
+};
+
+test Constraints => sub {
+    my ($this) = @_;
+    
+    my $table = $this->schemaDB->Tables->{Role} or failed "Failed to get a table";
+    
+    my $constraint = $table->AddConstraint(
+        new IMPL::SQL::Schema::Constraint::Unique(
+            Name => 'Role_ObsoleteId_Uniq',
+            Table => $table,
+            Columns => ['ObsoleteId']
+        )
+    ) or failed "Failed to add constraint";
+    
+    failed "Failed to retrieve a constraint" unless ($table->GetColumnConstraints('ObsoleteId'))[0] == $constraint;
+    
+    $table->RemoveColumn('ObsoleteId',1);
+    
+    failed "A constraint remains alive after column deletion" unless $constraint->isDisposed;
+    
+};
+
+test Dispose => sub {
+    my ($this) = @_;
+    
+    $this->schemaDB->Dispose();
+};
+
+
 1;