| // 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.gwt.core.client.JavaScriptObject; |
| import com.google.gwt.core.client.JsArrayString; |
| |
| import com.googlecode.gwt.test.GwtModule; |
| import com.googlecode.gwt.test.GwtTest; |
| |
| import net.codemirror.lib.LineCharacter; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| /** Unit tests for EditIterator */ |
| @GwtModule("com.google.gerrit.GerritGwtUI") |
| public class EditIteratorTest extends GwtTest { |
| private JsArrayString lines; |
| |
| private void assertLineChsEqual(LineCharacter a, LineCharacter b) { |
| assertEquals(a.getLine() + "," + a.getCh(), b.getLine() + "," + b.getCh()); |
| } |
| |
| @Before |
| public void initialize() { |
| lines = (JsArrayString) JavaScriptObject.createArray(); |
| lines.push("1st"); |
| lines.push("2nd"); |
| lines.push("3rd"); |
| } |
| |
| @Test |
| public void testNoAdvance() { |
| EditIterator iter = new EditIterator(lines, 0); |
| assertLineChsEqual(LineCharacter.create(0), iter.advance(0)); |
| } |
| |
| @Test |
| public void testSimpleAdvance() { |
| EditIterator iter = new EditIterator(lines, 0); |
| assertLineChsEqual(LineCharacter.create(0, 1), iter.advance(1)); |
| } |
| |
| @Test |
| public void testEndsBeforeNewline() { |
| EditIterator iter = new EditIterator(lines, 0); |
| assertLineChsEqual(LineCharacter.create(0, 3), iter.advance(3)); |
| } |
| |
| @Test |
| public void testEndsOnNewline() { |
| EditIterator iter = new EditIterator(lines, 0); |
| assertLineChsEqual(LineCharacter.create(1), iter.advance(4)); |
| } |
| |
| @Test |
| public void testAcrossNewline() { |
| EditIterator iter = new EditIterator(lines, 0); |
| assertLineChsEqual(LineCharacter.create(1, 1), iter.advance(5)); |
| } |
| |
| @Test |
| public void testContinueFromBeforeNewline() { |
| EditIterator iter = new EditIterator(lines, 0); |
| iter.advance(3); |
| assertLineChsEqual(LineCharacter.create(2, 2), iter.advance(7)); |
| } |
| |
| @Test |
| public void testContinueFromAfterNewline() { |
| EditIterator iter = new EditIterator(lines, 0); |
| iter.advance(4); |
| assertLineChsEqual(LineCharacter.create(2, 2), iter.advance(6)); |
| } |
| |
| @Test |
| public void testAcrossMultipleLines() { |
| EditIterator iter = new EditIterator(lines, 0); |
| assertLineChsEqual(LineCharacter.create(2, 2), iter.advance(10)); |
| } |
| } |