public void Single()
{
Assert.Equal(Enumerable.Single(oneElement), ImmutableArrayExtensions.Single(oneElement));
Assert.Equal(Enumerable.Single(oneElement), ImmutableArrayExtensions.Single(oneElement, i => true));
Assert.Throws <InvalidOperationException>(() => ImmutableArrayExtensions.Single(manyElements));
Assert.Throws <InvalidOperationException>(() => ImmutableArrayExtensions.Single(manyElements, i => true));
Assert.Throws <InvalidOperationException>(() => ImmutableArrayExtensions.Single(manyElements, i => false));
Assert.Throws <InvalidOperationException>(() => ImmutableArrayExtensions.Single(oneElement, i => false));
}
public void SingleEmptyDefault()
{
Assert.Throws <NullReferenceException>(() => ImmutableArrayExtensions.Single(emptyDefault));
Assert.Throws <NullReferenceException>(() => ImmutableArrayExtensions.Single(emptyDefault, n => true));
Assert.Throws <ArgumentNullException>(() => ImmutableArrayExtensions.Single(emptyDefault, null));
}
public void SingleEmpty()
{
Assert.Throws <InvalidOperationException>(() => ImmutableArrayExtensions.Single(empty));
Assert.Throws <InvalidOperationException>(() => ImmutableArrayExtensions.Single(empty, n => true));
Assert.Throws <ArgumentNullException>(() => ImmutableArrayExtensions.Single(empty, null));
}
public void SingleEmptyDefault()
{
TestExtensionsMethods.ValidateDefaultThisBehavior(() => ImmutableArrayExtensions.Single(s_emptyDefault));
TestExtensionsMethods.ValidateDefaultThisBehavior(() => ImmutableArrayExtensions.Single(s_emptyDefault, n => true));
AssertExtensions.Throws <ArgumentNullException>("predicate", () => ImmutableArrayExtensions.Single(s_emptyDefault, null));
}
