public void TestComparisionEqual()
{
var checker = new ComparisionExpression("FirstName", "Ivan").ToPredicate<Customer>();
Assert.IsTrue(checker(new Customer() { FirstName = "Ivan" }));
Assert.IsFalse(checker(new Customer() { FirstName = "John" }));
}
public void TestComparisionLess()
{
var checker = new ComparisionExpression()
{
Type = ComparisionType.Less,
Left = new LeftValueExpression() { Value = "Age" },
Right = new RightValueExpression() { Value = "20", TypeName = typeof(int).FullName }
}.ToPredicate<Customer>();
Assert.IsTrue(checker(new Customer() { Age = 10 }));
Assert.IsTrue(checker(new Customer() { Age = 19 }));
Assert.IsFalse(checker(new Customer() { Age = 20 }));
}
public void TestComparisionLikeEndsWith()
{
var checker = new ComparisionExpression("FirstName", "*n") { Type = ComparisionType.Like }.ToPredicate<Customer>();
Assert.IsTrue(checker(new Customer() { FirstName = "Ivan" }));
Assert.IsTrue(checker(new Customer() { FirstName = "John" }));
Assert.IsFalse(checker(new Customer() { FirstName = "Kate" }));
}
public void TestComparisionLikeContains()
{
var checker = new ComparisionExpression("FirstName", "*va*") { Type = ComparisionType.Like }.ToPredicate<Customer>();
Assert.IsTrue(checker(new Customer() { FirstName = "Ivan" }));
Assert.IsFalse(checker(new Customer() { FirstName = "iXXXXXXXXXXN" }));
Assert.IsFalse(checker(new Customer() { FirstName = "John" }));
Assert.IsFalse(checker(new Customer() { FirstName = "Kate" }));
Assert.IsTrue(checker(new Customer() { FirstName = "jjhshsVAjjjhjhjh" }));
}
public void TestComparisionNotLikeStartsWith()
{
var checker = new ComparisionExpression("FirstName", "I*") { Type = ComparisionType.NotLike }.ToPredicate<Customer>();
Assert.IsFalse(checker(new Customer() { FirstName = "Ivan" }));
Assert.IsFalse(checker(new Customer() { FirstName = "iVAN" }));
Assert.IsTrue(checker(new Customer() { FirstName = "John" }));
}
