public void ThrowArgumentNullException_WhenNameArgumentIsNull()
{
// Act & Assert.
Ensure.ArgumentNullExceptionIsThrown(() =>
{
PortableLazy<object> lazy = new PortableLazy<object>(null);
}, "valueFactory");
}
public void ThrowArgumentNullException_WhenNameArgumentIsNull()
{
// Act & Assert.
Ensure.ArgumentNullExceptionIsThrown(() =>
{
PortableLazy <object> lazy = new PortableLazy <object>(null);
}, "valueFactory");
}
public void InvokeOnlyOnceValueFactory_WhenValueIsCalled()
{
// Arrange.
int valueFactoryCallCount = 0;
object value = new object();
PortableLazy<object> lazy =
new PortableLazy<object>(
() =>
{
valueFactoryCallCount++;
return value;
});
// Act & Assert.
for (int i = 0; i < 5; i++)
{
Assert.AreSame(value, lazy.Value);
}
Assert.AreEqual(1, valueFactoryCallCount);
}
public void InvokeOnlyOnceValueFactory_WhenValueIsCalled()
{
// Arrange.
int valueFactoryCallCount = 0;
object value = new object();
PortableLazy <object> lazy =
new PortableLazy <object>(
() =>
{
valueFactoryCallCount++;
return(value);
});
// Act & Assert.
for (int i = 0; i < 5; i++)
{
Assert.AreSame(value, lazy.Value);
}
Assert.AreEqual(1, valueFactoryCallCount);
}
static StringNotNullOrWhiteSpaceValidationPredicate()
{
lazyInstance = new PortableLazy <StringNotNullOrWhiteSpaceValidationPredicate>(() => new StringNotNullOrWhiteSpaceValidationPredicate());
}
static FloatNotInfinityValidationPredicate()
{
lazyInstance = new PortableLazy <FloatNotInfinityValidationPredicate>(() => new FloatNotInfinityValidationPredicate());
}
static MemberOfEnumValidationPredicate()
{
lazyInstance = new PortableLazy <MemberOfEnumValidationPredicate <TEnum> >(() => new MemberOfEnumValidationPredicate <TEnum>());
}
static DoubleInfinityValidationPredicate()
{
lazyInstance = new PortableLazy <DoubleInfinityValidationPredicate>(() => new DoubleInfinityValidationPredicate());
}
static DoubleNotNaNValidationPredicate()
{
lazyInstance = new PortableLazy <DoubleNotNaNValidationPredicate>(() => new DoubleNotNaNValidationPredicate());
}
static NotNullValidationPredicate()
{
lazyInstance = new PortableLazy <NotNullValidationPredicate <T> >(() => new NotNullValidationPredicate <T>());
}
static StringEmptyValidationPredicate()
{
lazyInstance = new PortableLazy <StringEmptyValidationPredicate>(() => new StringEmptyValidationPredicate());
}
static FalseValidationPredicate()
{
lazyInstance = new PortableLazy <FalseValidationPredicate>(() => new FalseValidationPredicate());
}
static TrueValidationPredicate()
{
lazyInstance = new PortableLazy <TrueValidationPredicate>(() => new TrueValidationPredicate());
}
static GuidEmptyValidationPredicate()
{
lazyInstance = new PortableLazy <GuidEmptyValidationPredicate>(() => new GuidEmptyValidationPredicate());
}
static EnumerableNotNullOrEmptyValidationPredicate()
{
lazyInstance = new PortableLazy <EnumerableNotNullOrEmptyValidationPredicate <T> >(() => new EnumerableNotNullOrEmptyValidationPredicate <T>());
}