C# (CSharp) ExpressionTreeVisitor.IsExtensionExpressionの例

コード例 #1

ファイル: ExpressionTreeVisitorTest.cs プロジェクト: zapov/Relinq

        public void IsExtensionExpression()
        {
            var extensionExpression = new TestExtensionExpression(Expression.Constant(0));

            Assert.That(ExpressionTreeVisitor.IsExtensionExpression(extensionExpression), Is.True);

            var standardExpression = Expression.Constant(0);

            Assert.That(ExpressionTreeVisitor.IsExtensionExpression(standardExpression), Is.False);

            var unknownExpression = new UnknownExpression(typeof(int));

            Assert.That(ExpressionTreeVisitor.IsExtensionExpression(unknownExpression), Is.False);

            var querySourceReferenceExpression = new QuerySourceReferenceExpression(ExpressionHelper.CreateMainFromClause_Int());

            Assert.That(ExpressionTreeVisitor.IsExtensionExpression(querySourceReferenceExpression), Is.False);

            var subQueryExpression = new SubQueryExpression(ExpressionHelper.CreateQueryModel <Cook> ());

            Assert.That(ExpressionTreeVisitor.IsExtensionExpression(subQueryExpression), Is.False);
        }