public void Safe_NotNullInstance_FunctionExecuted()
{
var notNull = new SafeSubject {
ReferenceProperty = new Exception("msg")
};
Assert.That(notNull.Safe(o => o.ReferenceProperty.Message), Is.EqualTo("msg"));
}
public void SafeNullable_ValueProperty_NotNullInstace_FunctionExecuted()
{
var notNull = new SafeSubject {
ValueProperty = 3
};
Assert.That(notNull.SafeValue(o => o.ValueProperty), Is.EqualTo(3));
}
public void Safe_CustomSafetyNotFullfiled_ChainBreaks()
{
var subject = new SafeSubject {
ReferenceProperty = new Exception("msg", new Exception("inner msg"))
};
string innerMostMessage = subject
.Safe(s => s.ReferenceProperty)
.Safe(p => p.InnerException, ex => ex.Message.Length > 3)
.Safe(p => p.Message);
Assert.That(innerMostMessage, Is.Null);
}
public void Safe_SomeNullInChain_Null()
{
var subject = new SafeSubject {
ReferenceProperty = new Exception("msg", null)
};
string innerMostMessage = subject
.Safe(s => s.ReferenceProperty)
.Safe(p => p.InnerException)
.Safe(p => p.Message);
Assert.That(innerMostMessage, Is.Null);
}
public void Safe_NotNullChain_InnerMostValue()
{
var subject = new SafeSubject {
ReferenceProperty = new Exception("msg", new Exception("inner msg"))
};
string innerMostMessage = subject
.Safe(s => s.ReferenceProperty)
.Safe(p => p.InnerException)
.Safe(p => p.Message);
Assert.That(innerMostMessage, Is.EqualTo("inner msg"));
}
public void SafeValue_NullableProperty_NotNullInstace_FunctionExecuted()
{
var notNull = new SafeSubject {
NullableProperty = 3
};
Assert.That(notNull.SafeValue(o => o.NullableProperty), Is.EqualTo(3));
// null is a valid proprety value
notNull = new SafeSubject {
NullableProperty = null
};
Assert.That(notNull.SafeValue(o => o.NullableProperty), Is.Null);
}
public void SafeValue_NullableProperty_NullInstace_Null()
{
SafeSubject @null = null;
Assert.That(@null.SafeValue(o => o.NullableProperty), Is.Null);
}
public void Safe_NullInstance_Null()
{
SafeSubject @null = null;
Assert.That(@null.Safe(o => o.ReferenceProperty), Is.Null);
}
