Linq.OfTypeTest improvements

Author: alex-kulakov

Orm/Xtensive.Orm.Tests/Linq/OfTypeTest.cs

@@ -41,7 +41,7 @@ public interface IB1 : IBaseInterface
     [Field]
     Structure1 Field3 { get; set; }
 
-    [Field]
+    [Field(Length = 50)]
     string Field4 { get; set; }
   }
 
@@ -59,7 +59,7 @@ public interface IB2 : IBaseInterface
     [Field]
     Structure1 Field3 { get; set; }
 
-    [Field]
+    [Field(Length = 50)]
     string Field4 { get; set; }
   }
 
@@ -78,7 +78,7 @@ public class Structure1 : Structure
     [Field]
     public Structure2 Value2 { get; set; }
 
-    [Field]
+    [Field(Length = 50)]
     public string Value3 { get; set; }
   }
 
@@ -788,15 +788,21 @@ public void Test14()
         var result1B = source2B.Union(source1B).Select(x => x.Field1).ToArray();
 
         Assert.That(result1A, Is.Not.Empty);
-        Assert.That(result1A.SequenceEqual(result1B));
+        Assert.That(result1B.Length, Is.EqualTo(result1A.Length));
+        foreach (var item in result1B) {
+          Assert.That(result1A.Contains(item));
+        }
 
 
         var result2A = source1B.Union(source2B).ToArray().OfType<B3ClassTable>().Select(x => x.Field4)
           .ToArray();
         var result2B = source1B.Union(source2B).OfType<B3ClassTable>().Select(x => x.Field4).ToArray();
 
         Assert.That(result2A, Is.Not.Empty);
-        Assert.That(result2A.SequenceEqual(result2B));
+        Assert.That(result2B.Length, Is.EqualTo(result2A.Length));
+        foreach (var item in result2B) {
+          Assert.That(result2A.Contains(item));
+        }
 
         var result3 = session.Query.All<AClassTable>().OfType<AConcreteTable>().ToArray();
         Assert.That(result3, Is.Empty);
@@ -817,15 +823,21 @@ public void Test14()
         var result1B = source2B.Union(source1B).Select(x => x.Field1).ToArray();
 
         Assert.That(result1A, Is.Not.Empty);
-        Assert.That(result1A.SequenceEqual(result1B));
+        Assert.That(result1B.Length, Is.EqualTo(result1A.Length));
+        foreach (var item in result1B) {
+          Assert.That(result1A.Contains(item));
+        }
 
 
         var result2A = source1B.Union(source2B).ToArray().OfType<B3ConcreteTable>().Select(x => x.Field4)
           .ToArray();
         var result2B = source1B.Union(source2B).OfType<B3ConcreteTable>().Select(x => x.Field4).ToArray();
 
         Assert.That(result2A, Is.Not.Empty);
-        Assert.That(result2A.SequenceEqual(result2B));
+        Assert.That(result2B.Length, Is.EqualTo(result2A.Length));
+        foreach (var item in result2B) {
+          Assert.That(result2A.Contains(item));
+        }
 
         var result3 = session.Query.All<AConcreteTable>().OfType<ASingleTable>().ToArray();
         Assert.That(result3, Is.Empty);
@@ -846,15 +858,21 @@ public void Test14()
         var result1B = source2B.Union(source1B).Select(x => x.Field1).ToArray();
 
         Assert.That(result1A, Is.Not.Empty);
-        Assert.That(result1A.SequenceEqual(result1B));
+        Assert.That(result1B.Length, Is.EqualTo(result1A.Length));
+        foreach (var item in result1B) {
+          Assert.That(result1A.Contains(item));
+        }
 
 
         var result2A = source1B.Union(source2B).ToArray().OfType<B3SingleTable>().Select(x => x.Field4)
           .ToArray();
         var result2B = source1B.Union(source2B).OfType<B3SingleTable>().Select(x => x.Field4).ToArray();
 
         Assert.That(result2A, Is.Not.Empty);
-        Assert.That(result2A.SequenceEqual(result2B));
+        Assert.That(result2B.Length, Is.EqualTo(result2A.Length));
+        foreach (var item in result2B) {
+          Assert.That(result2A.Contains(item));
+        }
 
         var result3 = session.Query.All<ASingleTable>().OfType<AClassTable>().ToArray();
         Assert.That(result3, Is.Empty);