System.SpanTests.ReadOnlySpanTests.CtorPointerRangeChecks C# (CSharp) Method

        public static void CtorPointerRangeChecks()
        {
            unsafe
            {
                Assert.Throws<ArgumentOutOfRangeException>(
                    delegate ()
                    {
                        int i = 42;
                        ReadOnlySpan<int> span = new ReadOnlySpan<int>(&i, -1);
                    });
            }
        }