System.Tests.BadImageFormatExceptionTests.ToStringTest C# (CSharp) Method

        public static void ToStringTest()
        {
            string message = "this is not the file you're looking for";
            string fileName = "file.txt";
            var innerException = new Exception("Inner exception");
            var exception = new BadImageFormatException(message, fileName, innerException);

            var toString = exception.ToString();
            Assert.Contains(": " + message, toString);
            Assert.Contains(": '" + fileName + "'", toString);
            Assert.Contains("---> " + innerException.ToString(), toString);

            // set the stack trace
            try { throw exception; }
            catch
            {
                Assert.False(string.IsNullOrEmpty(exception.StackTrace));
                Assert.Contains(exception.StackTrace, exception.ToString());
            }
        }