/*
 *  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.codehaus.groovy.runtime

import groovy.test.GroovyTestCase;

/**
 * Test withWriter with inner loop closing the stream in advance.
 * Some methods e.g. transformChar() close the streams.
 * If used inside a withWriter(), it must not lead to problems
 */

class WithResourceStreamClosedTest extends GroovyTestCase {

    void testWithWriterStreamClosed() {

        def outer = new StringWriter()
        def reader = new StringReader("Hallo Welt")

        outer.withWriter { writer ->
            reader.transformChar(writer) { it }

        }
        assert outer.toString() == "Hallo Welt"
    }

    void testWithOutputStreamClosed() {
        def os = new ByteArrayOutputStream()
        os.withStream { out ->
            os.close()
        }
    }

}
