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Ant example source code file (FailTest.java)

This example Ant source code file (FailTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Ant tags/keywords

a, buildexception, buildexception, buildfiletest, failtest, failtest, nested, no, only, string, string, stringbuffer, stringbuffer

The FailTest.java source code

/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 */

package org.apache.tools.ant.taskdefs;

import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.BuildFileTest;

/**
 */
public class FailTest extends BuildFileTest {

    public FailTest(String name) {
        super(name);
    }

    public void setUp() {
        configureProject("src/etc/testcases/taskdefs/fail.xml");
    }

    public void test1() {
        expectBuildExceptionContaining("test1",
                "it is required to fail :-)",
                "No message");
    }

    public void test2() {
        expectSpecificBuildException("test2",
            "it is required to fail :-)",
            "test2");
    }

    public void testText() {
        expectSpecificBuildException("testText",
            "it is required to fail :-)",
            "testText");
    }

    public void testIf() {
        try {
            executeTarget("testIf");
        } catch (BuildException be) {
            fail("foo has not been defined, testIf must not fail");
        }
        project.setProperty("foo", "");
        expectBuildException("testIf", "testIf must fail if foo has been set");
    }

    public void testUnless() {
        expectBuildException("testUnless",
                             "testUnless must fail unless foo has been set");
        project.setProperty("foo", "");
        try {
            executeTarget("testUnless");
        } catch (BuildException be) {
            fail("foo has been defined, testUnless must not fail");
        }
    }

    /**
     * see that the different combinations work, and
     * that the autogenerated text contains information
     * about which condition was not met
     */
    public void testIfAndUnless() {
        //neither
        executeTarget("testIfAndUnless");
        project.setProperty("if", "");
        expectBuildExceptionContaining("testIfAndUnless",
                "expect fail on defined(if)",
                "if=if and unless=unless");
        project.setProperty("unless", "");
        //this call should succeed as unless overrides if
        executeTarget("testIfAndUnless");
    }
    /**
     * see that the different combinations work, and
     * that the autogenerated text contains information
     * about which condition was not met
     */
    public void testIfAndUnless2() {
        project.setProperty("unless", "");
        try {
            executeTarget("testIfAndUnless");
        } catch (BuildException be) {
            fail("defined(if) && !defined(unless); testIfAndUnless must not fail");
        }
    }

    public void testNested1() {
        expectSpecificBuildException("testNested1",
            "it is required to fail :-)",
            "condition satisfied");
    }

    public void testNested2() {
        try {
            executeTarget("testNested2");
        } catch (BuildException be) {
            fail("condition not satisfied; testNested2 must not fail");
        }
    }

    public void testNested3() {
        expectSpecificBuildException("testNested3",
            "it is required to fail :-)",
            "testNested3");
    }

    public void testNested4() {
        String specificMessage = "Nested conditions "
          + "not permitted in conjunction with if/unless attributes";

        char[] c = {'a', 'b', 'c'};
        StringBuffer target = new StringBuffer("testNested4x");

        for (int i = 0; i < c.length; i++) {
            target.setCharAt(target.length() - 1, c[i]);
            expectSpecificBuildException(target.toString(),
                "it is required to fail :-)", specificMessage);
        }
    }

    public void testNested5() {
        expectSpecificBuildException("testNested5",
            "it is required to fail :-)",
            "Only one nested condition is allowed.");
    }

    public void testNested6() {
        expectSpecificBuildException("testNested6",
            "it is required to fail :-)",
            "testNested6\ntestNested6\ntestNested6");
    }

    public void testNested7() {
        String specificMessage = "A single nested condition is required.";

        char[] c = {'a', 'b'};
        StringBuffer target = new StringBuffer("testNested7x");

        for (int i = 0; i < c.length; i++) {
            target.setCharAt(target.length() - 1, c[i]);
            expectSpecificBuildException(target.toString(),
                "it is required to fail :-)", specificMessage);
        }
    }

}

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