| /******************************************************************************* |
| * Copyright (c) 2000, 2008 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.text.tests; |
| |
| import static org.junit.Assert.*; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import org.eclipse.jface.text.ConfigurableLineTracker; |
| import org.eclipse.jface.text.GapTextStore; |
| import org.eclipse.jface.text.IRegion; |
| |
| public class LineTrackerTest4 extends AbstractLineTrackerTest { |
| |
| |
| @Before |
| public void setUp() { |
| fText= new GapTextStore(); |
| fTracker= new ConfigurableLineTracker(new String[] { "\r\n" }); |
| set("x\r\nx\r\nx\r\nx\r\nx\r\n"); |
| } |
| |
| @After |
| public void tearDown() { |
| fTracker= null; |
| fText= null; |
| } |
| |
| @Override |
| protected int getLineOffset(int line, int[] lines) { |
| int offset= 0; |
| for (int i= 0; i < line; i++) |
| offset += (lines[i] + 2); |
| return offset; |
| } |
| |
| @Test |
| public void testEditScript1() throws Exception { |
| checkLines(new int[] { 1, 1, 1, 1, 1, 0 }); |
| |
| replace(0, fText.getLength(), "x"); |
| checkLines(new int[] { 1 }); |
| |
| replace(1, 0, "y"); |
| checkLines(new int[] { 2 }); |
| |
| replace(2, 0, "z"); |
| checkLines(new int[] { 3 }); |
| |
| replace(3, 0, "\r\n"); |
| checkLines(new int[] { 3, 0 }); |
| |
| replace(5, 0, "x"); |
| checkLines(new int[] { 3, 1 }); |
| } |
| |
| @Test |
| public void testEmptyLines() throws Exception { |
| checkLines(new int[] { 1, 1, 1, 1, 1, 0 }); |
| |
| replace(0, 15, null); |
| checkLines(new int[] { 0 }); |
| |
| replace(0, 0, "\r\n\r\n\r\n\r\n\r\n"); |
| checkLines(new int[] { 0, 0, 0, 0, 0, 0 }); |
| |
| for (int i= 0; i < 10; i++) { |
| int no= fTracker.getLineNumberOfOffset(i); |
| double l= Math.floor(i / 2); |
| assertTrue("invalid line number " + no + " for position " + i + " should be " + l, l == no); |
| } |
| } |
| |
| @Test |
| public void testInsert1() throws Exception { |
| checkLines(new int[] { 1, 1, 1, 1, 1, 0 }); |
| |
| replace(4, 0, "yyyy"); |
| checkLines(new int[] { 1, 5, 1, 1, 1, 0 }); |
| |
| replace(11, 0, "y\r\n"); |
| checkLines(new int[] { 1, 5, 2, 0, 1, 1, 0 }); |
| |
| replace(14, 0, "y\r\n"); |
| checkLines(new int[] { 1, 5, 2, 1, 0, 1, 1, 0 }); |
| |
| replace(17, 0, "y"); |
| checkLines(new int[] { 1, 5, 2, 1, 1, 1, 1, 0 }); |
| } |
| |
| @Test |
| public void testInsert2() throws Exception { |
| checkLines(new int[] { 1, 1, 1, 1, 1, 0 }); |
| |
| replace(4, 0, "yyyy"); |
| checkLines(new int[] { 1, 5, 1, 1, 1, 0 }); |
| |
| replace(11, 0, "y\r\ny\r\ny"); |
| checkLines(new int[] { 1, 5, 2, 1, 1, 1, 1, 0 }); |
| } |
| |
| @Test |
| public void testLinesNumbers() throws Exception { |
| checkLines(new int[] { 1, 1, 1, 1, 1, 0 }); |
| |
| replace(0, 15, "\r\na\r\nbb\r\nccc\r\ndddd\r\neeeee\r\n"); |
| checkLines(new int[] { 0, 1, 2, 3, 4, 5, 0 }); |
| |
| int offset= 0; |
| for (int i= 0; i < 5; i++) { |
| for (int j= 0; j <= i; j++) { |
| int no= fTracker.getLineNumberOfOffset(offset + j); |
| assertTrue("invalid line number " + no + " reported instead of " + i, no == i); |
| } |
| offset+= (i + 2); |
| } |
| } |
| |
| @Test |
| public void testOffsets() throws Exception { |
| checkLines(new int[] { 1, 1, 1, 1, 1, 0 }); |
| |
| for (int i= 0; i < 5; i++) { |
| IRegion line= fTracker.getLineInformation(i); |
| int pos= line.getOffset() + line.getLength() + 1; |
| int offset= (3 * i) + 2; |
| assertTrue("invalid line end offset " + pos + " for line " + i + " should be " + offset, offset == pos); |
| } |
| |
| for (int i= 0; i < 5; i++) { |
| int pos= fTracker.getLineOffset(i); |
| int offset= 3 * i; |
| assertTrue("invalid line start offset " + pos + " for line " + i + " should be " + offset, pos == offset); |
| } |
| |
| for (int i= 0; i < 15; i++) { |
| int line= fTracker.getLineNumberOfOffset(i); |
| double l= Math.floor(i / 3); |
| assertTrue("invalid line number " + line + " for position " + i + " should be " + l, l == line); |
| } |
| |
| int lastLine= fTracker.getLineNumberOfOffset(fText.getLength()); |
| assertTrue("invalid last line number " + lastLine, 5 == lastLine); |
| |
| int offset= fTracker.getLineOffset(lastLine); |
| assertTrue("invalid last line start offset " + offset, fText.getLength() == offset); |
| |
| int length= fTracker.getLineLength(lastLine); |
| assertTrue("invalid last line end offset " + (offset + length - 1), 0 == length); |
| } |
| |
| @Test |
| public void testRemove() throws Exception { |
| checkLines(new int[] { 1, 1, 1, 1, 1, 0 }); |
| |
| replace(4, 2, null); |
| checkLines(new int[] { 1, 2, 1, 1, 0 }); |
| |
| replace(8, 2, null); |
| checkLines(new int[] { 1, 2, 2, 0 }); |
| |
| replace(4, 7, null); |
| checkLines(new int[] { 1, 1 }); |
| |
| replace(0, 4, null); |
| checkLines(new int[] { 0 }); |
| } |
| |
| @Test |
| public void testReplace() throws Exception { |
| checkLines(new int[] { 1, 1, 1, 1, 1, 0 }); |
| |
| replace(0, fText.getLength(), "\tx\r\n\tx\r\n\tx\r\n\tx\r\n\tx\r\n"); |
| checkLines(new int[] { 2, 2, 2, 2, 2, 0 }); |
| } |
| |
| @Test |
| public void testShiftLeft() throws Exception { |
| checkLines(new int[] { 1, 1, 1, 1, 1, 0 }); |
| |
| replace(0, fText.getLength(), "\tx\r\n\tx\r\n\tx\r\n\tx\r\n\tx\r\n"); |
| checkLines(new int[] { 2, 2, 2, 2, 2, 0 }); |
| |
| for (int i= 0; i < 5; i++) { |
| int pos= fTracker.getLineOffset(i); |
| replace(pos, 1, null); |
| } |
| |
| String txt= fText.get(0, fText.getLength()); |
| assertEquals("invalid text", "x\r\nx\r\nx\r\nx\r\nx\r\n", txt); |
| } |
| |
| @Test |
| public void testShiftRight() throws Exception { |
| checkLines(new int[] { 1, 1, 1, 1, 1, 0 }); |
| |
| for (int i= 0; i < 5; i++) { |
| int pos= fTracker.getLineOffset(i); |
| replace(pos, 0, "\t"); |
| } |
| |
| checkLines(new int[] { 2, 2, 2, 2, 2, 0 }); |
| |
| String txt= fText.get(0, fText.getLength()); |
| assertEquals("invalid text", "\tx\r\n\tx\r\n\tx\r\n\tx\r\n\tx\r\n", txt); |
| } |
| } |