JUnitSlopeLineDisplay.java

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 * Mission Control Technologies, Copyright (c) 2009-2012, United States Government
 * as represented by the Administrator of the National Aeronautics and Space 
 * Administration. All rights reserved.
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package plotter.xy;

import java.text.MessageFormat;

import junit.framework.TestCase;

public class JUnitSlopeLineDisplay extends TestCase {
	private SlopeLineDisplay display;

	private SlopeLine line;


	@Override
	protected void setUp() throws Exception {
		line = new SlopeLine();
		display = new SlopeLineDisplay();
	}


	public void testAdd() {
		display.setText("");
		display.slopeLineAdded(line, null, 0, 0);
		assertEquals("", display.getText());
	}


	public void testRemove() {
		display.setText("test");
		display.slopeLineRemoved(line, null);
		assertEquals("", display.getText());
	}


	public void testUpdate() {
		MessageFormat format = new MessageFormat("{0} {1} {2}");
		display.setFormat(format);
		assertEquals(format, display.getFormat());
		display.slopeLineUpdated(line, null, 1, 2, 3, 10);
		assertEquals("2 8 4", display.getText());
	}


	public void testUpdateSame() {
		MessageFormat format = new MessageFormat("{0} {1} {2}");
		display.setFormat(format);
		assertEquals(format, display.getFormat());
		display.slopeLineUpdated(line, null, 1, 2, 1, 2);
		assertEquals("", display.getText());
	}
}