LineFragmentsTest.java

/*
 * Copyright 2000-2017 JetBrains s.r.o.
 *
 * 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.intellij.openapi.diff.impl;

import com.intellij.openapi.diff.BaseDiffTestCase;
import com.intellij.openapi.diff.impl.highlighting.FragmentSide;
import com.intellij.util.Assertion;

import java.io.IOException;

public class LineFragmentsTest extends BaseDiffTestCase {
  private final Assertion CHECK = new Assertion();

  public void testA() throws IOException {
    setFile1("lines1.txt");
    setFile2("lines2.txt");
    DiffPanelImpl diffPanel = loadFiles();
    CHECK.compareAll(new int[]{1, 2, 3}, diffPanel.getFragmentBeginnings(FragmentSide.SIDE1));
    CHECK.compareAll(new int[]{1, 2}, diffPanel.getFragmentBeginnings(FragmentSide.SIDE2));
  }

  public void testC() throws IOException {
    setFile1("linesC1.txt");
    setFile2("linesC2.txt");
    DiffPanelImpl diffPanel = loadFiles();
    checkTextEqual(content1(), getEditor1(diffPanel));
    checkTextEqual(content2(), getEditor2(diffPanel));
  }

  public void testD() throws IOException {
    setFile1("linesD1.txt");
    setFile2("linesD2.txt");
    DiffPanelImpl diffPanel = loadFiles();
    CHECK.compareAll(new int[]{1, 2}, diffPanel.getFragmentBeginnings(FragmentSide.SIDE1));
    CHECK.compareAll(new int[]{1, 2}, diffPanel.getFragmentBeginnings(FragmentSide.SIDE2));
  }

  public void testEmptyLine() throws IOException {
    setFile1("default/emptyLine.1");
    setFile2("default/emptyLine.2");
    DiffPanelImpl diffPanel = loadFiles();
    CHECK.compareAll(new int[]{1}, diffPanel.getFragmentBeginnings(FragmentSide.SIDE1));
    CHECK.compareAll(new int[]{1}, diffPanel.getFragmentBeginnings(FragmentSide.SIDE2));
  }

  public void testRestyleNewLines() {
    DiffPanelImpl diffPanel = createDiffPanel(null, myProject, false);
    setContents(diffPanel, "f(a, b);\n", "f(a,\n  b);\n");
    CHECK.singleElement(diffPanel.getFragmentBeginnings(FragmentSide.SIDE1), 0);
    CHECK.singleElement(diffPanel.getFragmentBeginnings(FragmentSide.SIDE2), 0);
  }
}