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/**
* Copyright (c) 2008, SnakeYAML
*
* 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 org.yaml.snakeyaml.emitter;
import java.io.IOException;
import java.io.StringWriter;
import junit.framework.TestCase;
import org.yaml.snakeyaml.DumperOptions;
import org.yaml.snakeyaml.events.DocumentStartEvent;
import org.yaml.snakeyaml.events.ImplicitTuple;
import org.yaml.snakeyaml.events.ScalarEvent;
import org.yaml.snakeyaml.events.StreamStartEvent;
/**
* https://bitbucket.org/snakeyaml/snakeyaml-engine/issues/23/emitting-only-an-empty-string-adds-to
*/
public class EmptyStringOutputTest extends TestCase {
public void testOutputEmptyStringWithEmitter() throws IOException {
assertEquals("The empty output must contain ---", "---", dump(""));
}
public void testOutputStringWithEmitter() throws IOException {
assertEquals("The non-empty output must NOT contain ---", "v1234512345", dump("v1234512345"));
}
private String dump(String value) throws IOException {
DumperOptions options = new DumperOptions();
StringWriter output = new StringWriter();
Emitter emitter = new Emitter(output, options);
emitter.emit(new StreamStartEvent(null, null));
emitter.emit(new DocumentStartEvent(null, null, false, null, null));
emitter.emit(new ScalarEvent(null, null, new ImplicitTuple(true, false), value, null, null,
DumperOptions.ScalarStyle.PLAIN));
return output.toString();
}
}
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