Bug 99032 Assertation failure in LazyJavaCompletionProposal.setReplacementLength
N20050607-0010 org.eclipse.jface.text.Assert$AssertionFailedException: Assertion failed: at org.eclipse.jface.text.Assert.isTrue(Assert.java:189) at org.eclipse.jface.text.Assert.isTrue(Assert.java:174) at org.eclipse.jdt.internal.ui.text.java.LazyJavaCompletionProposal.setReplacementLength(LazyJavaCompletionProposal.java:428) at org.eclipse.jdt.internal.ui.text.java.LazyJavaCompletionProposal.apply(LazyJavaCompletionProposal.java:317) at org.eclipse.jface.text.contentassist.CompletionProposalPopup.insertProposal(CompletionProposalPopup.java:452) at org.eclipse.jface.text.contentassist.CompletionProposalPopup.verifyKey(CompletionProposalPopup.java:838) at org.eclipse.jface.text.contentassist.ContentAssistant$InternalListener.verifyKey(ContentAssistant.java:630) at org.eclipse.jface.text.TextViewer$VerifyKeyListenersManager.verifyKey(TextViewer.java:415) at org.eclipse.swt.custom.StyledTextListener.handleEvent(StyledTextListener.java:55) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:844) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:868) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:853) at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:661) at org.eclipse.swt.custom.StyledText.handleKeyDown(StyledText.java:5133) at org.eclipse.swt.custom.StyledText$7.handleEvent(StyledText.java:4868) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:844) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:868) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:853) at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:881) at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:877) at org.eclipse.swt.widgets.Widget.wmChar(Widget.java:1184) at org.eclipse.swt.widgets.Control.WM_CHAR(Control.java:3134) at org.eclipse.swt.widgets.Control.windowProc(Control.java:3037) at org.eclipse.swt.widgets.Display.windowProc(Display.java:3648) at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method) at org.eclipse.swt.internal.win32.OS.DispatchMessage(OS.java:1654) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2655) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1717) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1681) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:366) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:143) at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:103) at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:226) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:375) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:162) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at org.eclipse.core.launcher.Main.invokeFramework(Main.java:334) at org.eclipse.core.launcher.Main.basicRun(Main.java:278) at org.eclipse.core.launcher.Main.run(Main.java:973) at org.eclipse.core.launcher.Main.main(Main.java:948)
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/java/LazyJavaCompletionProposal.java
Color background= getBackgroundColor(text);
		StyleRange range= text.getStyleRangeAtOffset(offset);
		int fontStyle= range != null ? range.fontStyle : SWT.NORMAL;
		repairPresentation(viewer);
		fRememberedStyleRange= new StyleRange(offset, length, foreground, background, fontStyle);
		if (range != null) {
			fRememberedStyleRange.strikeout= range.strikeout;
			fRememberedStyleRange.underline= range.underline;
		}
		
		try {
			text.setStyleRange(fRememberedStyleRange);
		} catch (IllegalArgumentException x) {
			
			fRememberedStyleRange= null;
		}
	}
	/*
	 * @see org.eclipse.jface.text.contentassist.ICompletionProposalExtension2#selected(ITextViewer, boolean)
	 */
	public void selected(ITextViewer viewer, boolean smartToggle) {
		if (!insertCompletion() ^ smartToggle)
			updateStyle(viewer);
		else {
			repairPresentation(viewer);
			fRememberedStyleRange= null;
		}
	}
	/*
	 * @see org.eclipse.jface.text.contentassist.ICompletionProposalExtension2#unselected(ITextViewer)