public void testSoftWrapCacheReset() throws IOException {
// Inspired by IDEA-76537 - the point is to drop cached document info on complete soft wraps
// recalculation
String text = "\t first line\n" + "\t second line\n" + "\t third line";
// Make soft wraps to build a document info cache.
init(40, text);
// Modify document while soft wraps processing is off.
final EditorSettings settings = getEditor().getSettings();
settings.setUseSoftWraps(false);
int startOffset = text.indexOf("\t third") - 1;
getEditor().getDocument().deleteString(startOffset, text.length());
// Enable soft wraps and ensure that the cache is correctly re-built.
settings.setUseSoftWraps(true);
getEditor().getCaretModel().moveToOffset(getEditor().getDocument().getTextLength());
type("\n test");
final int offset = getEditor().getDocument().getTextLength() - 1;
final LogicalPosition logicalPosition = getEditor().offsetToLogicalPosition(offset);
assertEquals(offset, getEditor().logicalPositionToOffset(logicalPosition));
final VisualPosition visualPosition = getEditor().offsetToVisualPosition(offset);
assertEquals(visualPosition, getEditor().logicalToVisualPosition(logicalPosition));
assertEquals(logicalPosition, getEditor().visualToLogicalPosition(visualPosition));
}
@Override
protected void tearDown() throws Exception {
if (myEditor != null) {
EditorSettings settings = myEditor.getSettings();
settings.setUseSoftWraps(false);
settings.setSmartHome(mySmartHome);
}
super.tearDown();
}