/// <summary> /// Asserts the specified test method throws an exception of the specified type. /// </summary> /// <typeparam name="TException">The <see cref="Type"/> of <see cref="ArgumentException"/> that should be thrown.</typeparam> /// <param name="assert">The extended <see cref="Asserter"/>.</param> /// <param name="testMethod">The <see cref="Action"/> representing the test method.</param> /// <param name="message">A message to display if the assertion fails. This message can be seen in the unit test results.</param> /// <param name="parameters">An array of parameters to use when formatting <paramref name="message" />.</param> /// <returns>The <see cref="ExceptionAsserter{T}">asserted exception</see>.</returns> /// <include file="examples.xml" path="Types/Type[@name='ExceptionExtensions']/Member[@name='Throws`1']/example[2]" /> public static ExceptionAsserter <TException> Throws <TException>(this Asserter assert, Action testMethod, string message, params object[] parameters) where TException : Exception { Arg.NotNull(assert, nameof(assert)); Contract.Ensures(Contract.Result <ExceptionAsserter <TException> >() != null); assert.AssertParameterIsNotNull(testMethod, nameof(testMethod)); var exceptionType = typeof(TException); try { testMethod(); } catch (TException ex) { assert.AreEqual(exceptionType, ex.GetType(), WrongException, exceptionType, ex.GetType()); return(new ExceptionAsserter <TException>(ex)); } catch (Exception ex) { assert.AreEqual(exceptionType, ex.GetType(), WrongException, exceptionType, ex.GetType()); } assert.Fail(message, parameters); return(null); }
/// <summary> /// Asserts the specified test method throws an <see cref="ArgumentException">argument exception</see>. /// </summary> /// <typeparam name="TException">The <see cref="Type">type</see> of <see cref="ArgumentException"/> to expect.</typeparam> /// <param name="assert">The extended <see cref="Asserter"/>.</param> /// <param name="testMethod">The <see cref="Action"/> representing the test method.</param> /// <param name="paramName">The name of the parameter expected to throw an exception.</param> /// <param name="message">A message to display if the assertion fails. This message can be seen in the unit test results.</param> /// <param name="parameters">An array of parameters to use when formatting <paramref name="message" />.</param> /// <returns>The <see cref="ExceptionAsserter{T}">asserted exception</see>.</returns> /// <include file="examples.xml" path="Types/Type[@name='ExceptionExtensions']/Member[@name='ThrowsForArgument`1']/example[2]" /> public static ExceptionAsserter <TException> ThrowsForArgument <TException>(this Asserter assert, Action testMethod, string paramName, string message, params object[] parameters) where TException : ArgumentException { Arg.NotNull(assert, nameof(assert)); Contract.Ensures(Contract.Result <ExceptionAsserter <TException> >() != null); assert.AssertParameterIsNotNull(testMethod, nameof(testMethod)); var assertion = assert.Throws <TException>(testMethod, message, parameters); var actualParam = assertion.Exception.ParamName; assert.AreEqual(paramName, actualParam, WrongParameterName, paramName, actualParam); return(assertion); }
static ExceptionAsserter <TException> ThrowsIfArgumentIs <TArg, TException>(this Asserter assert, Expression <Action <TArg> > testMethod, TArg value, string message, params object[] parameters) where TException : ArgumentException { Arg.NotNull(assert, nameof(assert)); Arg.NotNull(assert, nameof(testMethod)); Contract.Ensures(Contract.Result <ExceptionAsserter <TException> >() != null); assert.AssertParameterIsNotNull(testMethod, nameof(testMethod)); var test = testMethod.Compile(); var assertion = assert.Throws <TException>(() => test(value), message, parameters); var expectedParam = testMethod.Parameters.First().Name; var actualParam = assertion.Exception.ParamName; assert.AreEqual(expectedParam, actualParam, WrongParameterName, expectedParam, actualParam); return(assertion); }
public static void AreEqual <T>(T expected, T value) { Default.AreEqual(expected, value); }