public void Collapse_NoneReceivesMethodWhichReturnsAlternateValue_ReturnsThatValue()
{
T expectedValue = this.AlternateSampleValue;
IOption <T> option = this.CreateNone();
T actualValue = option.Fold(() => expectedValue);
Assert.True(this.AreSame(expectedValue, actualValue));
}
public void Collapse_SomeContainingValue_ReturnsContainedValue()
{
T expectedValue = this.SampleValue;
IOption <T> option = this.CreateSome(expectedValue);
T actualValue = option.Fold(() => this.AlternateSampleValue);
Assert.True(this.AreSame(expectedValue, actualValue));
}