public void EdmCollectionExpression() { var e = new EdmCollectionExpression( new EdmLabeledExpression("l1", new EdmStringConstant("qwerty")), new EdmLabeledExpression("l2", new EdmStringConstant("qwerty2"))); Assert.IsFalse(e.IsBad(), "Expression not bad."); Assert.AreEqual(EdmExpressionKind.Collection, e.ExpressionKind, "e.ExpressionKind"); Assert.AreEqual(2, e.Elements.Count(), "e.Elements.Count()"); Assert.AreEqual("l2", ((EdmLabeledExpression)e.Elements.ElementAt(1)).Name, "((EdmLabeledElement)e.Elements.ElementAt(1)).Label"); var l1 = e.Elements.First(); e = new EdmCollectionExpression(); Assert.IsNull(e.DeclaredType, "e.DeclaredType"); Assert.AreEqual(0, e.Elements.Count(), "e.Elements.Count()"); Assert.IsFalse(e.IsBad(), "Expression not bad."); Assert.AreEqual(0, e.Errors().Count(), "Expression has no errors"); try { new EdmCollectionExpression((IEdmLabeledExpression[])null); Assert.Fail("exception expected"); } catch (ArgumentNullException) { } }