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/*******************************************************************************
* Copyright (c) 2005, 2010 Oracle. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0, which accompanies this distribution
* and is available at http://www.eclipse.org/legal/epl-v10.html.
*
* Contributors:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.common.utility.tests.internal;
import java.io.StringWriter;
import junit.framework.TestCase;
import org.eclipse.jpt.common.utility.IndentingPrintWriter;
@SuppressWarnings("nls")
public class IndentingPrintWriterTests extends TestCase {
StringWriter sw1;
StringWriter sw2;
IndentingPrintWriter ipw1;
IndentingPrintWriter ipw2;
static final String CR = System.getProperty("line.separator");
public IndentingPrintWriterTests(String name) {
super(name);
}
@Override
public void setUp() throws Exception {
super.setUp();
this.sw1 = new StringWriter();
this.ipw1 = new IndentingPrintWriter(this.sw1);
this.sw2 = new StringWriter();
this.ipw2 = new IndentingPrintWriter(this.sw2, " "); // indent with 4 spaces instead of a tab
}
@Override
protected void tearDown() throws Exception {
TestTools.clear(this);
super.tearDown();
}
public void testIndent() {
assertEquals("wrong indent level", 0, this.ipw1.getIndentLevel());
this.ipw1.indent();
assertEquals("wrong indent level", 1, this.ipw1.getIndentLevel());
}
public void testUndent() {
assertEquals("wrong indent level", 0, this.ipw1.getIndentLevel());
this.ipw1.indent();
assertEquals("wrong indent level", 1, this.ipw1.getIndentLevel());
this.ipw1.undent();
assertEquals("wrong indent level", 0, this.ipw1.getIndentLevel());
}
public void testIncrementIndentLevel() {
assertEquals("wrong indent level", 0, this.ipw1.getIndentLevel());
this.ipw1.incrementIndentLevel();
assertEquals("wrong indent level", 1, this.ipw1.getIndentLevel());
}
public void testDecrementIndentLevel() {
assertEquals("wrong indent level", 0, this.ipw1.getIndentLevel());
this.ipw1.incrementIndentLevel();
assertEquals("wrong indent level", 1, this.ipw1.getIndentLevel());
this.ipw1.decrementIndentLevel();
assertEquals("wrong indent level", 0, this.ipw1.getIndentLevel());
}
public void testPrintTab() {
String expected = "foo0" + CR + "\tfoo1" + CR + "\tfoo1" + CR + "\t\tfoo2" + CR + "\tfoo1" + CR + "\tfoo1" + CR + "foo0" + CR;
this.ipw1.println("foo0");
this.ipw1.indent();
this.ipw1.println("foo1");
this.ipw1.println("foo1");
this.ipw1.indent();
this.ipw1.println("foo2");
this.ipw1.undent();
this.ipw1.println("foo1");
this.ipw1.println("foo1");
this.ipw1.undent();
this.ipw1.println("foo0");
assertEquals("bogus output", expected, this.sw1.toString());
}
public void testPrintSpaces() {
String expected = "foo0" + CR + " foo1" + CR + " foo1" + CR + " foo2" + CR + " foo1" + CR + " foo1" + CR + "foo0" + CR;
this.ipw2.println("foo0");
this.ipw2.indent();
this.ipw2.println("foo1");
this.ipw2.println("foo1");
this.ipw2.indent();
this.ipw2.println("foo2");
this.ipw2.undent();
this.ipw2.println("foo1");
this.ipw2.println("foo1");
this.ipw2.undent();
this.ipw2.println("foo0");
assertEquals("bogus output", expected, this.sw2.toString());
}
}
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