@@ -0,0 +1,2719 @@
+/* This file is part of SableCC ( http://sablecc.org ).%0A *%0A * See the NOTICE file distributed with this work for copyright information.%0A *%0A * Licensed under the Apache License, Version 2.0 (the %22License%22);%0A * you may not use this file except in compliance with the License.%0A * You may obtain a copy of the License at%0A *%0A *     http://www.apache.org/licenses/LICENSE-2.0%0A *%0A * Unless required by applicable law or agreed to in writing, software%0A * distributed under the License is distributed on an %22AS IS%22 BASIS,%0A * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A * See the License for the specific language governing permissions and%0A * limitations under the License.%0A */%0A%0Apackage org.sablecc.sablecc.exception;%0A%0Aimport static org.junit.Assert.assertEquals;%0Aimport static org.junit.Assert.fail;%0A%0Aimport org.junit.Before;%0Aimport org.junit.Test;%0A%0Apublic class InvalidArgumentExceptionTest %7B%0A%0A    InvalidArgumentException exception;%0A%0A    String message;%0A%0A    Throwable cause;%0A%0A    @Before%0A    public void setUp() %7B%0A%0A        this.message = %22valid message%22;%0A        this.cause = new Throwable();%0A    %7D%0A%0A    @Test%0A    public void testInvalidArgumentExceptionString() %7B%0A%0A        // Case with null message%0A        String nullMessage = null;%0A        try %7B%0A            this.exception = new InvalidArgumentException(nullMessage);%0A            fail(%22message may not be null%22);%0A        %7D%0A        catch (InternalException e) %7B%0A            // Expected%0A        %7D%0A%0A        // Typical case%0A        this.exception = new InvalidArgumentException(this.message);%0A        assertEquals(%22Invalid exception message%22, this.message, this.exception%0A                .getMessage());%0A    %7D%0A%0A    @Test%0A    public void testInvalidArgumentExceptionStringThrowable() %7B%0A%0A        // Case with null message%0A        String nullMessage = null;%0A%0A        try %7B%0A            this.exception = new InvalidArgumentException(nullMessage,%0A                    this.cause);%0A            fail(%22message may not be null%22);%0A        %7D%0A        catch (InternalException e) %7B%0A            // Expected%0A        %7D%0A%0A        // Case with null cause%0A        Throwable nullCause = null;%0A        try %7B%0A            this.exception = new InvalidArgumentException(this.message,%0A                    nullCause);%0A            fail(%22a cause may not be null%22);%0A        %7D%0A        catch (InternalException e) %7B%0A            // Expected%0A        %7D%0A%0A        // Typical case%0A        this.exception = new InvalidArgumentException(this.message, this.cause);%0A        assertEquals(%22Invalid exception message%22, this.message, this.exception%0A                .getMessage());%0A        assertEquals(%22Invalid exception cause%22, this.cause, this.exception%0A                .getCause());%0A    %7D%0A%0A%7D%0A

Add JUnit tests.