| // Copyright (C) 2013 The Android Open Source Project |
| // |
| // 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 com.google.gerrit.client.diff; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import com.google.gerrit.client.diff.LineMapper.LineOnOtherInfo; |
| |
| import org.junit.Test; |
| |
| /** Unit tests for LineMapper */ |
| public class LineMapperTest { |
| |
| @Test |
| public void testAppendCommon() { |
| LineMapper mapper = new LineMapper(); |
| mapper.appendCommon(10); |
| assertEquals(10, mapper.getLineA()); |
| assertEquals(10, mapper.getLineB()); |
| } |
| |
| @Test |
| public void testAppendInsert() { |
| LineMapper mapper = new LineMapper(); |
| mapper.appendInsert(10); |
| assertEquals(0, mapper.getLineA()); |
| assertEquals(10, mapper.getLineB()); |
| } |
| |
| @Test |
| public void testAppendDelete() { |
| LineMapper mapper = new LineMapper(); |
| mapper.appendDelete(10); |
| assertEquals(10, mapper.getLineA()); |
| assertEquals(0, mapper.getLineB()); |
| } |
| |
| @Test |
| public void testFindInCommon() { |
| LineMapper mapper = new LineMapper(); |
| mapper.appendCommon(10); |
| assertEquals(new LineOnOtherInfo(9, true), |
| mapper.lineOnOther(DisplaySide.A, 9)); |
| assertEquals(new LineOnOtherInfo(9, true), |
| mapper.lineOnOther(DisplaySide.B, 9)); |
| } |
| |
| @Test |
| public void testFindAfterCommon() { |
| LineMapper mapper = new LineMapper(); |
| mapper.appendCommon(10); |
| assertEquals(new LineOnOtherInfo(10, true), |
| mapper.lineOnOther(DisplaySide.A, 10)); |
| assertEquals(new LineOnOtherInfo(10, true), |
| mapper.lineOnOther(DisplaySide.B, 10)); |
| } |
| |
| @Test |
| public void testFindInInsertGap() { |
| LineMapper mapper = new LineMapper(); |
| mapper.appendInsert(10); |
| assertEquals(new LineOnOtherInfo(-1, false), |
| mapper.lineOnOther(DisplaySide.B, 9)); |
| } |
| |
| @Test |
| public void testFindAfterInsertGap() { |
| LineMapper mapper = new LineMapper(); |
| mapper.appendInsert(10); |
| assertEquals(new LineOnOtherInfo(0, true), |
| mapper.lineOnOther(DisplaySide.B, 10)); |
| assertEquals(new LineOnOtherInfo(10, true), |
| mapper.lineOnOther(DisplaySide.A, 0)); |
| } |
| |
| @Test |
| public void testFindInDeleteGap() { |
| LineMapper mapper = new LineMapper(); |
| mapper.appendDelete(10); |
| assertEquals(new LineOnOtherInfo(-1, false), |
| mapper.lineOnOther(DisplaySide.A, 9)); |
| } |
| |
| @Test |
| public void testFindAfterDeleteGap() { |
| LineMapper mapper = new LineMapper(); |
| mapper.appendDelete(10); |
| assertEquals(new LineOnOtherInfo(0, true), |
| mapper.lineOnOther(DisplaySide.A, 10)); |
| assertEquals(new LineOnOtherInfo(10, true), |
| mapper.lineOnOther(DisplaySide.B, 0)); |
| } |
| |
| @Test |
| public void testReplaceWithInsertInB() { |
| // 0 c c |
| // 1 a b |
| // 2 a b |
| // 3 - b |
| // 4 - b |
| // 5 c c |
| LineMapper mapper = new LineMapper(); |
| mapper.appendCommon(1); |
| mapper.appendReplace(2, 4); |
| mapper.appendCommon(1); |
| |
| assertEquals(4, mapper.getLineA()); |
| assertEquals(6, mapper.getLineB()); |
| |
| assertEquals(new LineOnOtherInfo(1, true), |
| mapper.lineOnOther(DisplaySide.B, 1)); |
| assertEquals(new LineOnOtherInfo(3, true), |
| mapper.lineOnOther(DisplaySide.B, 5)); |
| |
| assertEquals(new LineOnOtherInfo(2, true), |
| mapper.lineOnOther(DisplaySide.B, 2)); |
| assertEquals(new LineOnOtherInfo(2, false), |
| mapper.lineOnOther(DisplaySide.B, 3)); |
| } |
| } |