remove unused files and refactor lost RestrictionTests

Author: mythz

tests/ServiceStack.OrmLite.Tests/Expression/RestrictionTests.cs

@@ -0,0 +1,78 @@
+using NUnit.Framework;
+
+namespace ServiceStack.OrmLite.Tests.Expression
+{
+    [TestFixture]
+    public class ExpressionTests : OrmLiteTestBase
+    {
+        public class Person
+        {
+            public Person() {}
+
+            public Person(int id, string firstName, string lastName, int age)
+            {
+                Id = id;
+                FirstName = firstName;
+                LastName = lastName;
+                Age = age;
+            }
+
+            public int Id { get; set; }
+            public string FirstName { get; set; }
+            public string LastName { get; set; }
+            public int? Age { get; set; }
+        }
+
+        public Person[] People = {
+            new Person(1, "Jimi", "Hendrix", 27),
+            new Person(2, "Janis", "Joplin", 27),
+            new Person(3, "Jim", "Morrisson", 27),
+            new Person(4, "Kurt", "Cobain", 27),
+            new Person(5, "Elvis", "Presley", 42),
+            new Person(6, "Michael", "Jackson", 50),
+        };
+
+        [Test]
+        public void Can_Chain_Expressions_Using_Or_and_And()
+        {
+            using (var db = OpenDbConnection())
+            {
+                db.DropAndCreateTable<Person>();
+                db.InsertAll(People);
+
+                var q = db.From<Person>();
+
+                q.Where(x => x.FirstName.StartsWith("Jim")).Or(x => x.LastName.StartsWith("Cob"));
+
+                var results = db.Select(q);
+                Assert.AreEqual(3, results.Count);
+
+                q.Where(); //clear where expression
+
+                q.Where(x => x.FirstName.StartsWith("Jim")).And(x => x.LastName.StartsWith("Hen"));
+                results = db.Select(q);
+
+                Assert.AreEqual(1, results.Count);
+            }
+        }
+
+        [Test]
+        public void Can_get_rowcount_from_expression_visitor()
+        {
+            using (var db = OpenDbConnection())
+            {
+                db.DropAndCreateTable<Person>();
+                db.InsertAll(People);
+
+                var q = db.From<Person>();
+
+                q.Where(x => x.FirstName.StartsWith("Jim")).Or(x => x.LastName.StartsWith("Cob"));
+
+                var count = db.Count(q);
+
+                var results = db.Select(q);
+                Assert.AreEqual(count, results.Count);
+            }
+        }
+    }
+}