/**
* 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.waveprotocol.wave.model.document.operation.algorithm;
import junit.framework.TestCase;
import org.waveprotocol.wave.model.document.operation.DocOp;
import org.waveprotocol.wave.model.document.operation.impl.DocOpBuffer;
import org.waveprotocol.wave.model.document.operation.impl.DocOpBuilder;
import org.waveprotocol.wave.model.operation.OpComparators;
public class RangeNormalizerTest extends TestCase {
public void testMultipleRetainNormalization() {
RangeNormalizer<DocOp> normalizer =
new RangeNormalizer<DocOp>(new DocOpBuffer());
normalizer.retain(1);
normalizer.characters("a");
normalizer.retain(1);
normalizer.retain(1);
normalizer.retain(1);
normalizer.characters("b");
normalizer.retain(1);
DocOp docOp = normalizer.finish();
DocOp expected = new DocOpBuilder()
.retain(1)
.characters("a")
.retain(3)
.characters("b")
.retain(1)
.build();
assertTrue(OpComparators.SYNTACTIC_IDENTITY.equal(expected, docOp));
}
public void testEmptyRetainNormalization() {
RangeNormalizer<DocOp> normalizer =
new RangeNormalizer<DocOp>(new DocOpBuffer());
normalizer.retain(1);
normalizer.characters("a");
normalizer.retain(0);
normalizer.characters("b");
normalizer.retain(1);
DocOp docOp = normalizer.finish();
DocOp expected = new DocOpBuilder()
.retain(1)
.characters("ab")
.retain(1)
.build();
assertTrue(OpComparators.SYNTACTIC_IDENTITY.equal(expected, docOp));
}
public void testMultipleCharactersNormalization() {
RangeNormalizer<DocOp> normalizer =
new RangeNormalizer<DocOp>(new DocOpBuffer());
normalizer.retain(1);
normalizer.characters("a");
normalizer.characters("b");
normalizer.characters("c");
normalizer.retain(1);
DocOp docOp = normalizer.finish();
DocOp expected = new DocOpBuilder()
.retain(1)
.characters("abc")
.retain(1)
.build();
assertTrue(OpComparators.SYNTACTIC_IDENTITY.equal(expected, docOp));
}
public void testEmptyCharactersNormalization() {
RangeNormalizer<DocOp> normalizer =
new RangeNormalizer<DocOp>(new DocOpBuffer());
normalizer.retain(1);
normalizer.characters("");
normalizer.retain(1);
DocOp docOp = normalizer.finish();
DocOp expected = new DocOpBuilder()
.retain(2)
.build();
assertTrue(OpComparators.SYNTACTIC_IDENTITY.equal(expected, docOp));
}
public void testMultipleDeleteCharactersNormalization() {
RangeNormalizer<DocOp> normalizer =
new RangeNormalizer<DocOp>(new DocOpBuffer());
normalizer.retain(1);
normalizer.deleteCharacters("a");
normalizer.deleteCharacters("b");
normalizer.deleteCharacters("c");
normalizer.retain(1);
DocOp docOp = normalizer.finish();
DocOp expected = new DocOpBuilder()
.retain(1)
.deleteCharacters("abc")
.retain(1)
.build();
assertTrue(OpComparators.SYNTACTIC_IDENTITY.equal(expected, docOp));
}
public void testEmptyDeleteCharactersNormalization() {
RangeNormalizer<DocOp> normalizer =
new RangeNormalizer<DocOp>(new DocOpBuffer());
normalizer.retain(1);
normalizer.deleteCharacters("");
normalizer.retain(1);
DocOp docOp = normalizer.finish();
DocOp expected = new DocOpBuilder()
.retain(2)
.build();
assertTrue(OpComparators.SYNTACTIC_IDENTITY.equal(expected, docOp));
}
}