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

        public static void SliceIntRangeChecksd()
        {
            int[] a = { 90, 91, 92, 93, 94, 95, 96, 97, 98, 99 };
            Assert.Throws<ArgumentOutOfRangeException>(() => new ReadOnlySpan<int>(a).Slice(-1).DontBox());
            Assert.Throws<ArgumentOutOfRangeException>(() => new ReadOnlySpan<int>(a).Slice(a.Length + 1).DontBox());
            Assert.Throws<ArgumentOutOfRangeException>(() => new ReadOnlySpan<int>(a).Slice(-1, 0).DontBox());
            Assert.Throws<ArgumentOutOfRangeException>(() => new ReadOnlySpan<int>(a).Slice(0, a.Length + 1).DontBox());
            Assert.Throws<ArgumentOutOfRangeException>(() => new ReadOnlySpan<int>(a).Slice(2, a.Length + 1 - 2).DontBox());
            Assert.Throws<ArgumentOutOfRangeException>(() => new ReadOnlySpan<int>(a).Slice(a.Length + 1, 0).DontBox());
            Assert.Throws<ArgumentOutOfRangeException>(() => new ReadOnlySpan<int>(a).Slice(a.Length, 1).DontBox());
        }
    }