//- Copyright © 2008-2011 8th Light, Inc. All Rights Reserved.
//- Limelight and all included source files are distributed under terms of the MIT License.
package limelight.ui.model.text;
import limelight.ui.MockTypedLayoutFactory;
import limelight.ui.text.TextLocation;
import limelight.ui.text.TypedLayout;
import limelight.util.Box;
import limelight.util.TestUtil;
import org.junit.Before;
import org.junit.Test;
import java.awt.*;
import java.util.ArrayList;
import static junit.framework.Assert.assertEquals;
import static org.junit.Assume.assumeTrue;
public class MultiLineTextModelTest
{
private MultiLineTextModel model;
private limelight.ui.model.text.MockTextContainer container;
@Before
public void setUp()
{
assumeTrue(TestUtil.notHeadless());
container = new limelight.ui.model.text.MockTextContainer();
container.bounds = new Box(0, 0, 150, 75);
model = new MultiLineTextModel(container);
model.setTypedLayoutFactory(MockTypedLayoutFactory.instance);
model.setText("I took the one less traveled by. And that has made all the difference");
}
@Test
public void canCalculateAYOffsetIfTheTextIsTooBigForTheTextAreaAndTheCursorIsInAHiddenLine()
{
model.setText("hi\nbye\nhi\nbye\nhi\nbye\nhi\nbye\nhi\nbye\nhi\nbye\n");
assertEquals(-67, model.getYOffset());
model.setCaretLocation(TextLocation.at(0, 2));
assertEquals(0, model.getYOffset());
}
@Test
public void willOnlyShiftYOffsetIfCursorIsAtTheTopOrBottomEdge()
{
model.setText("hi\nbye\nhi\nbye\nhi\nbye\nhi\nbye\nhi\nbye\nhi\nbye\n");
model.setCaretLocation(TextLocation.origin);
model.setCaretLocation(TextLocation.at(3, 0));
assertEquals(0, model.getYOffset());
model.setCaretLocation(TextLocation.at(5, 3));
assertEquals(0, model.getYOffset());
model.setCaretLocation(TextLocation.origin);
assertEquals(0, model.getYOffset());
}
@Test
public void willPutTheCursorOnTheLeftIfTheLastCharacterBeforeCursorIsAReturn()
{
model.setText("some text\n");
assertEquals(0, model.getX(model.getCaretLocation()));
}
@Test
public void shouldBeAbleToFindNewLineIndices()
{
ArrayList<Integer> indices = Lineator.findNewLineCharIndices("this\nIs\nA new \nline");
assertEquals(3, indices.size());
assertEquals(4, (int) indices.get(0));
assertEquals(7, (int) indices.get(1));
assertEquals(14, (int) indices.get(2));
}
@Test
public void canSpiltTextIntoMultipleLinesBasedOffReturnKeys()
{
model.setText("this is the first line\nthis is the second line");
ArrayList<TypedLayout> lines = new ArrayList<TypedLayout>();
Lineator.parseTextForMultipleLayouts(model, lines);
assertEquals(2, lines.size());
assertEquals("this is the first line\n", lines.get(0).getText());
assertEquals("this is the second line", lines.get(1).getText());
}
@Test
public void canSplitTextIntoMultipleLinesFromThePanelWidth()
{
model.setText("This here is the first full line. This is the second line");
ArrayList<TypedLayout> lines = new ArrayList<TypedLayout>();
Lineator.parseTextForMultipleLayouts(model, lines);
assertEquals(2, lines.size());
assertEquals("This here is the first full line.", lines.get(0).getText().trim());
assertEquals("This is the second line", lines.get(1).getText().trim());
}
@Test
public void willStoreATextLayoutForEachLine()
{
model.setText("This is more than 1 line\r\nand should be 2 lines");
ArrayList<TypedLayout> textLayouts = model.getLines();
assertEquals(2, textLayouts.size());
assertEquals("This is more than 1 line\r\n", textLayouts.get(0).getText());
assertEquals("and should be 2 lines", textLayouts.get(1).getText());
}
@Test
public void willStoreATextLayoutForAnEmptyLine()
{
model.setText("This has an empty line\n");
ArrayList<TypedLayout> textLayouts = model.getLines();
assertEquals(2, textLayouts.size());
assertEquals("", textLayouts.get(1).getText());
}
@Test
public void willMakeANewLineForEveryReturnCharacterRegardlessOfTheLineItIsCurrentlyOn()
{
model.setText("This is going to be a very large amount of text. It seems to be the only way to make sure this works. Here\nis\n\nsome new lines");
model.getLines();
assertEquals(7, model.getLines().size());
}
@Test
public void canCalculateTheTextModelsDimensions()
{
model.setText("line 1\nline 2");
assertEquals(60, model.getTextDimensions().width);
assertEquals(20, model.getTextDimensions().height);
}
@Test
public void canGetAMultiLinedSelectedRegionWithAYOffset()
{
model.setText("line\nline\nline\nline\nline\nline\nline\nline\nline");
model.startSelection(TextLocation.at(6, 1));
model.setCaretLocation(TextLocation.at(8, 1));
ArrayList<Box> regions = model.getSelectionRegions();
assertEquals(65, regions.get(regions.size() -1).y);
}
@Test
public void willReturnProperSelectedRegionsWhenThereIAYOffest()
{
model.setText("line\nline\nline\nline\nline\nline\nline\nline\n");
model.setCaretLocation(TextLocation.at(7, 4));
model.setSelectionLocation(TextLocation.at(7, 2));
ArrayList<Box> regions = model.getSelectionRegions();
assertEquals(54, regions.get(regions.size() -1).y);
}
@Test
public void shouldGetCaretShape() throws Exception
{
model.setText("line 1\n line 2\n line 3");
model.setCaretLocation(TextLocation.at(0, 3));
assertEquals(new Box(30, 0, 1, 10), model.getCaretShape());
model.setCaretLocation(TextLocation.at(1, 3));
assertEquals(new Box(30, 11, 1, 10), model.getCaretShape());
model.setCaretLocation(TextLocation.at(2, 3));
assertEquals(new Box(30, 22, 1, 10), model.getCaretShape());
}
@Test
public void shouldMoveTheCaretDown() throws Exception
{
model.setText("line 1\nline 2\nline 3");
model.setCaretLocation(TextLocation.at(0, 2));
model.moveCaretDownALine();
assertEquals(TextLocation.at(1, 2), model.getCaretLocation());
model.moveCaretDownALine();
assertEquals(TextLocation.at(2, 2), model.getCaretLocation());
model.moveCaretDownALine();
assertEquals(TextLocation.at(2, 2), model.getCaretLocation());
}
@Test
public void shouldRememberItsXpositionWhenMovingVerticallyBetweenLines() throws Exception
{
model.setText("Relatively long line\nshort line\ntiny");
model.setCaretLocation(TextLocation.at(0, 20));
model.moveCaretDownALine();
assertEquals(TextLocation.at(1, 10), model.getCaretLocation());
model.moveCaretDownALine();
assertEquals(TextLocation.at(2, 4), model.getCaretLocation());
model.moveCaretUpALine();
assertEquals(TextLocation.at(1, 10), model.getCaretLocation());
model.moveCaretUpALine();
assertEquals(TextLocation.at(0, 20), model.getCaretLocation());
}
@Test
public void shouldMoveCaret() throws Exception
{
model.setText("a\nbc\r\nd");
assertEquals(TextLocation.at(2, 1), model.getCaretLocation());
model.moveCaret(-1);
assertEquals(TextLocation.at(2, 0), model.getCaretLocation());
model.moveCaret(-1);
assertEquals(TextLocation.at(1, 2), model.getCaretLocation());
model.moveCaret(-1);
assertEquals(TextLocation.at(1, 1), model.getCaretLocation());
model.moveCaret(-1);
assertEquals(TextLocation.at(1, 0), model.getCaretLocation());
model.moveCaret(-1);
assertEquals(TextLocation.at(0, 1), model.getCaretLocation());
model.moveCaret(-1);
assertEquals(TextLocation.at(0, 0), model.getCaretLocation());
model.moveCaret(-1);
assertEquals(TextLocation.at(0, 0), model.getCaretLocation());
model.moveCaret(1);
assertEquals(TextLocation.at(0, 1), model.getCaretLocation());
model.moveCaret(1);
assertEquals(TextLocation.at(1, 0), model.getCaretLocation());
model.moveCaret(1);
assertEquals(TextLocation.at(1, 1), model.getCaretLocation());
model.moveCaret(1);
assertEquals(TextLocation.at(1, 2), model.getCaretLocation());
model.moveCaret(1);
assertEquals(TextLocation.at(2, 0), model.getCaretLocation());
model.moveCaret(1);
assertEquals(TextLocation.at(2, 1), model.getCaretLocation());
model.moveCaret(1);
assertEquals(TextLocation.at(2, 1), model.getCaretLocation());
}
@Test
public void shouldMoveCaretThroughNewlines() throws Exception
{
model.setText("a\n\n\nb");
assertEquals(TextLocation.at(3, 1), model.getCaretLocation());
model.moveCaret(-1);
assertEquals(TextLocation.at(3, 0), model.getCaretLocation());
model.moveCaret(-1);
assertEquals(TextLocation.at(2, 0), model.getCaretLocation());
model.moveCaret(-1);
assertEquals(TextLocation.at(1, 0), model.getCaretLocation());
model.moveCaret(-1);
assertEquals(TextLocation.at(0, 1), model.getCaretLocation());
model.moveCaret(-1);
assertEquals(TextLocation.at(0, 0), model.getCaretLocation());
model.moveCaret(1);
assertEquals(TextLocation.at(0, 1), model.getCaretLocation());
model.moveCaret(1);
assertEquals(TextLocation.at(1, 0), model.getCaretLocation());
model.moveCaret(1);
assertEquals(TextLocation.at(2, 0), model.getCaretLocation());
model.moveCaret(1);
assertEquals(TextLocation.at(3, 0), model.getCaretLocation());
model.moveCaret(1);
assertEquals(TextLocation.at(3, 1), model.getCaretLocation());
}
@Test
public void shouldSelectionRegionsWithCenteredText() throws Exception
{
container.getStyle().setHorizontalAlignment("center");
model.setText("1 line\nand\nanother line\n.");
model.startSelection(TextLocation.origin);
ArrayList<Box> regions = model.getSelectionRegions();
assertEquals(new Box(45, 0, 105, 10), regions.get(0));
assertEquals(new Box(0, 11, 150, 10), regions.get(1));
assertEquals(new Box(0, 22, 150, 10), regions.get(2));
assertEquals(new Box(0, 33, 80, 10), regions.get(3));
}
@Test
public void shouldGiveCaretShapeWithCenteredText() throws Exception
{
container.getStyle().setHorizontalAlignment("center");
model.setText("1 line\nand\nanother line\n.");
model.setCaretLocation(TextLocation.at(0, 0));
assertEquals(new Box(45, 0, 1, 10), model.getCaretShape());
model.setCaretLocation(TextLocation.at(1, 0));
assertEquals(new Box(60, 11, 1, 10), model.getCaretShape());
model.setCaretLocation(TextLocation.at(2, 0));
assertEquals(new Box(15, 22, 1, 10), model.getCaretShape());
model.setCaretLocation(TextLocation.at(3, 0));
assertEquals(new Box(70, 33, 1, 10), model.getCaretShape());
}
@Test
public void shouldGetLocationAtPointWithCenteredText() throws Exception
{
container.getStyle().setHorizontalAlignment("center");
model.setText("1 line\nand\nanother line\n.");
assertEquals(TextLocation.at(0, 0), model.getLocationAt(new Point(45, 0)));
assertEquals(TextLocation.at(1, 0), model.getLocationAt(new Point(60, 11)));
assertEquals(TextLocation.at(2, 0), model.getLocationAt(new Point(15, 22)));
assertEquals(TextLocation.at(3, 0), model.getLocationAt(new Point(70, 33)));
}
@Test
public void sendingCareToEndOfLine() throws Exception
{
model.setText("line 1\nline 2 \nline 3\t\nline4");
model.setCaretLocation(TextLocation.at(0, 1));
model.sendCaretToEndOfLine();
assertEquals(TextLocation.at(0, 6), model.getCaretLocation());
model.setCaretLocation(TextLocation.at(1, 1));
model.sendCaretToEndOfLine();
assertEquals(TextLocation.at(1, 7), model.getCaretLocation());
model.setCaretLocation(TextLocation.at(2, 1));
model.sendCaretToEndOfLine();
assertEquals(TextLocation.at(2, 7), model.getCaretLocation());
}
}