Groovy example source code file (Groovy1081_Bug.groovy)

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Java - Groovy tags/keywords

groovy1081_bug, groovy1081_bug, groovytestcase, groovytestcase, stringreader, stringreader, stringwriter, stringwriter

The Groovy Groovy1081_Bug.groovy source code

/*
 * Copyright 2003-2010 the original author or authors.
 *
 * Licensed 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 groovy.bugs

/**
 *  Verifies that DefaultGroovyMethods.transformLine(Reader, Writer, Closure)
 *  actually writes its output.
 */

class Groovy1081_Bug extends GroovyTestCase {
 
    void testShort() {
         def reader = new StringReader('abc')
        def writer = new StringWriter()

        reader.transformLine(writer) { it }
        
        // Implementation was creating a BufferedWriter, but not flushing it
        assertTrue(writer.toString().startsWith('abc'))
    }
    
}