public void HasProperty()
{
ExpandoObject expando = new { Foo = "Bar" }.ToExpando();
Assert.IsTrue(expando.HasProperty("Foo"));
Assert.IsFalse(expando.HasProperty("X"));
}
public void HasProperty()
{
Executing.This(() => TypeUtil.HasProperty(null, "test")).Should().Throw<ArgumentNullException>();
Executing.This(() => typeof(object).HasProperty(null)).Should().Throw<ArgumentNullException>();
var type = new { x = 1, y = 2 }.GetType();
type.HasProperty("x").Should().Be.True();
type.HasProperty("y").Should().Be.True();
type.HasProperty("z").Should().Be.False();
}
/// <summary>
/// Create a <see cref="FieldGetter"/> to <c>get</c> the value of the mapped Property
/// through a <c>Field</c>.
/// </summary>
/// <param name="theClass">The <see cref="System.Type"/> to find the Property in.</param>
/// <param name="propertyName">The name of the mapped Property to get.</param>
/// <returns>
/// The <see cref="FieldGetter"/> to use to get the value of the Property from an
/// instance of the <see cref="System.Type"/>.</returns>
/// <exception cref="PropertyNotFoundException" >
/// Thrown when a Field specified by the <c>propertyName</c> could not
/// be found in the <see cref="System.Type"/>.
/// </exception>
public IGetter GetGetter(System.Type theClass, string propertyName)
{
string fieldName = GetFieldName(propertyName);
if (!Equals(fieldName, propertyName) && !theClass.HasProperty(propertyName))
{
// it is a field access that imply the existence of the property
throw new PropertyNotFoundException(propertyName, fieldName, theClass);
}
return new FieldGetter(GetField(theClass, fieldName), theClass, fieldName);
}
public void HasProperty_PickNonExisting_ReturnsFalse()
{
var input = new[]
{
ModelGrammar.TokenObjectBeginUnnamed,
ModelGrammar.TokenProperty("key1"),
ModelGrammar.TokenNull,
ModelGrammar.TokenProperty("key2"),
ModelGrammar.TokenPrimitive("Hello!"),
ModelGrammar.TokenProperty("three"),
ModelGrammar.TokenPrimitive(3),
ModelGrammar.TokenProperty("4"),
ModelGrammar.TokenTrue,
ModelGrammar.TokenObjectEnd
};
// test for a specific property
var actual = input.HasProperty(name => name.LocalName == "five");
Assert.False(actual);
}