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package org.eclipse.swt.tests.junit;
/*
* (c) Copyright IBM Corp. 2000, 2001.
* All Rights Reserved
*/
import junit.framework.Test;
import junit.framework.TestSuite;
import junit.textui.TestRunner;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.BidiSegmentEvent;
import org.eclipse.swt.custom.BidiSegmentListener;
import org.eclipse.swt.custom.StyleRange;
import org.eclipse.swt.custom.StyledText;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.internal.BidiUtil;
/**
* Automated Test Suite for class org.eclipse.swt.custom.BidiSegmentListener
*
* @see org.eclipse.swt.custom.BidiSegmentListener
*/
public class Test_org_eclipse_swt_custom_BidiSegmentListener extends SwtTestCase {
Shell shell;
StyledText text;
boolean listenerCalled;
String line = "Line1";
public static void main(String[] args) {
TestRunner.run(suite());
}
public Test_org_eclipse_swt_custom_BidiSegmentListener(String name) {
super(name);
}
private boolean isBidi() {
return BidiUtil.isBidiPlatform();
}
protected void setUp() {
shell = new Shell();
text = new StyledText(shell, SWT.NULL);
}
public static Test suite() {
TestSuite suite = new TestSuite();
java.util.Vector methodNames = methodNames();
java.util.Enumeration e = methodNames.elements();
while (e.hasMoreElements()) {
suite.addTest(new Test_org_eclipse_swt_custom_BidiSegmentListener((String)e.nextElement()));
}
return suite;
}
protected void tearDown() {
shell.dispose();
}
private void testListener(final String message, final int[] segments, boolean exceptionExpected) {
boolean exceptionThrown = false;
BidiSegmentListener listener = new BidiSegmentListener() {
public void lineGetSegments(BidiSegmentEvent event) {
assertEquals(message + " incorrect BidiSegmentEvent", 0, event.lineOffset);
assertEquals(message + " incorrect BidiSegmentEvent", line, event.lineText);
event.segments = segments;
listenerCalled = true;
}
};
listenerCalled = false;
try {
text.addBidiSegmentListener(listener);
text.getLocationAtOffset(0);
}
catch (IllegalArgumentException e) {
exceptionThrown = true;
}
finally {
text.removeBidiSegmentListener(listener);
}
if (exceptionExpected) {
assertTrue(message + " expected exception not thrown", exceptionThrown);
}
else {
assertTrue(message + " unexpected exception thrown", exceptionThrown == false);
}
if (isBidi()) {
assertTrue(message + " listener not called", listenerCalled);
}
else {
assertTrue(message + " listener called when it shouldn't be", listenerCalled == false);
}
}
private void testStyleRangeSegmenting(final int[] segments, int[] boldRanges) {
boolean exceptionThrown = false;
BidiSegmentListener listener = new BidiSegmentListener() {
public void lineGetSegments(BidiSegmentEvent event) {
assertEquals(" incorrect BidiSegmentEvent", 0, event.lineOffset);
assertEquals(" incorrect BidiSegmentEvent", line, event.lineText);
event.segments = segments;
listenerCalled = true;
}
};
listenerCalled = false;
try {
text.addBidiSegmentListener(listener);
text.setStyleRange(null);
for (int i=0; i<boldRanges.length; i+=2) {
StyleRange styleRange = new StyleRange(boldRanges[i], boldRanges[i+1], null, null, SWT.BOLD);
text.setStyleRange(styleRange);
};
text.getLocationAtOffset(0);
}
catch (IllegalArgumentException e) {
exceptionThrown = true;
}
finally {
text.removeBidiSegmentListener(listener);
}
assertTrue(" unexpected exception thrown", exceptionThrown == false);
if (isBidi()) {
assertTrue(" listener not called", listenerCalled);
}
else {
assertTrue(" listener called when it shouldn't be", listenerCalled == false);
}
}
public void test_lineGetSegmentsLorg_eclipse_swt_custom_BidiSegmentEvent() {
int lineLength = line.length();
text.setText(line);
// should not cause an exception
testListener(":a:", null, false);
testListener(":b:", new int[] {0, lineLength / 2, lineLength}, false);
testListener(":c:", new int[] {0, lineLength / 2}, false);
// should all cause an exception on a bidi platform
if (isBidi()) {
testListener(":d:", new int[] {lineLength / 2}, true);
testListener(":e:", new int[] {0, 1, 1, lineLength / 2}, true);
testListener(":f:", new int[] {0, 1, 2, lineLength + 1}, true);
testListener(":g:", new int[] {0, 1, lineLength + 1, lineLength + 1}, true);
testListener(":h:", new int[] {0, 2, 1}, true);
testListener(":i:", new int[] {0, -1, 2}, true);
testListener(":j:", new int[] {0, -1, 2}, true);
}
// test bold segmenting
line = "this is a line with 50 chars - **** **** **** ****";
text.setText(line);
// should segment as int[] {0,5,5,2,12,3,20,5}
testStyleRangeSegmenting(new int[] {0,5,10,15,20,25}, new int[] {0,5,5,2,12,3,20,5});
// should segment as int[] {0,5,5,1,7,3,10,3,15,5,20,5}
testStyleRangeSegmenting(new int[] {0,5,10,15,20,25}, new int[] {0,6,7,6,15,10});
// should segment as int[] {0,5,5,5,10,5}
testStyleRangeSegmenting(new int[] {0,5,10,15}, new int[] {0,15});
// should segment as int[] {0,5}
testStyleRangeSegmenting(new int[] {0,5}, new int[] {0,5});
// should segment as int[] {2,3}
testStyleRangeSegmenting(new int[] {0,5}, new int[] {2,3});
// should segment as int[] {0,2}
testStyleRangeSegmenting(new int[] {0,5}, new int[] {0,2});
// should segment as int[] {10,5}
testStyleRangeSegmenting(new int[] {0,5,10,15}, new int[] {10,5});
// should segment as int[] {12,3}
testStyleRangeSegmenting(new int[] {0,5,10,15}, new int[] {12,3});
// should segment as int[] {3,2,5,5,10,3,21,4,25,3}
testStyleRangeSegmenting(new int[] {0,5,10,15,20,25,30}, new int[] {3,10,21,7});
// should segment as int[] {10,2}
line = "test1test2/r/n";
text.setText(line);
testStyleRangeSegmenting(new int[] {0,5}, new int[] {10,2});
}
public static java.util.Vector methodNames() {
java.util.Vector methodNames = new java.util.Vector();
methodNames.addElement("test_lineGetSegmentsLorg_eclipse_swt_custom_BidiSegmentEvent");
return methodNames;
}
protected void runTest() throws Throwable {
if (getName().equals("test_lineGetSegmentsLorg_eclipse_swt_custom_BidiSegmentEvent")) test_lineGetSegmentsLorg_eclipse_swt_custom_BidiSegmentEvent();
}
}
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