public void TestAllWhenFalse()
{
var array = new int[] { 2, 4, 6, 7 };
Func <int, bool> myFunc = (x) => { return(x % 2 == 0); };
Assert.False(LinqFunctions.All(array, p => myFunc(p)));
}
public void TestAllWhenSourceIsNull()
{
int[] array = null;
Func <int, bool> myFunc = (x) => { return(x == 4); };
var msg = Assert.Throws <ArgumentNullException>(() => LinqFunctions.All(array, p => myFunc(p)));
Assert.Equal("Value cannot be null.\r\nParameter name: source", msg.Message);
}