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

        public static void TryCopyToShorter()
        {
            int[] src = { 1, 2, 3 };
            int[] dst = { 99, 100 };

            ReadOnlySpan<int> srcSpan = new ReadOnlySpan<int>(src);
            bool success = srcSpan.TryCopyTo(dst);
            Assert.False(success);
            int[] expected = { 99, 100 };
            Assert.Equal<int>(expected, dst);  // TryCopyTo() checks for sufficient space before doing any copying.
        }