System.Tests.StringTests.Replace_Char_Char_DoesntAllocateIfNothingIsReplaced C# (CSharp) Method

        public static void Replace_Char_Char_DoesntAllocateIfNothingIsReplaced(string s, char oldChar, char newChar)
        {
            Assert.Same(s, s.Replace(oldChar, newChar));
        }