public void LastOrDefaultEmpty()
{
Assert.Equal(0, ImmutableArrayExtensions.LastOrDefault(empty));
Assert.Equal(0, ImmutableArrayExtensions.LastOrDefault(empty, n => true));
Assert.Throws <ArgumentNullException>(() => ImmutableArrayExtensions.LastOrDefault(empty, null));
Assert.Equal(0, ImmutableArrayExtensions.LastOrDefault(emptyBuilder));
}
public void LastOrDefault()
{
Assert.Equal(Enumerable.LastOrDefault(oneElement), ImmutableArrayExtensions.LastOrDefault(oneElement));
Assert.Equal(Enumerable.LastOrDefault(manyElements), ImmutableArrayExtensions.LastOrDefault(manyElements));
foreach (bool result in new[] { true, false })
{
Assert.Equal(Enumerable.LastOrDefault(oneElement, i => result), ImmutableArrayExtensions.LastOrDefault(oneElement, i => result));
Assert.Equal(Enumerable.LastOrDefault(manyElements, i => result), ImmutableArrayExtensions.LastOrDefault(manyElements, i => result));
}
Assert.Throws <ArgumentNullException>(() => ImmutableArrayExtensions.LastOrDefault(oneElement, null));
Assert.Equal(Enumerable.LastOrDefault(oneElementBuilder), ImmutableArrayExtensions.LastOrDefault(oneElementBuilder));
Assert.Equal(Enumerable.LastOrDefault(manyElementsBuilder), ImmutableArrayExtensions.LastOrDefault(manyElementsBuilder));
}
public void LastOrDefaultEmptyDefault()
{
Assert.Throws <NullReferenceException>(() => ImmutableArrayExtensions.LastOrDefault(emptyDefault));
Assert.Throws <NullReferenceException>(() => ImmutableArrayExtensions.LastOrDefault(emptyDefault, n => true));
Assert.Throws <ArgumentNullException>(() => ImmutableArrayExtensions.LastOrDefault(emptyDefault, null));
}
public void LastOrDefaultEmptyDefault()
{
TestExtensionsMethods.ValidateDefaultThisBehavior(() => ImmutableArrayExtensions.LastOrDefault(s_emptyDefault));
TestExtensionsMethods.ValidateDefaultThisBehavior(() => ImmutableArrayExtensions.LastOrDefault(s_emptyDefault, n => true));
AssertExtensions.Throws <ArgumentNullException>("predicate", () => ImmutableArrayExtensions.LastOrDefault(s_emptyDefault, null));
}
public void LastOrDefault()
{
Assert.Equal(Enumerable.LastOrDefault(oneElement), ImmutableArrayExtensions.LastOrDefault(oneElement));
Assert.Equal(Enumerable.LastOrDefault(manyElements), ImmutableArrayExtensions.LastOrDefault(manyElements));
Assert.Throws <ArgumentNullException>(() => ImmutableArrayExtensions.LastOrDefault(oneElement, null));
}
