package org.geogebra.commands; import org.geogebra.common.main.error.ErrorHandler; import org.geogebra.common.util.AsyncOperation; import org.junit.Assert; public class TestErrorHandler implements ErrorHandler { public static final ErrorHandler INSTANCE = new TestErrorHandler(); @Override public void showError(String msg) { Assert.assertNull(msg); } @Override public boolean onUndefinedVariables(String string, AsyncOperation<String[]> callback) { return false; } @Override public void showCommandError(String command, String message) { Assert.assertNull(command); } @Override public String getCurrentCommand() { // TODO Auto-generated method stub return null; } @Override public void resetError() { // nothing to do } }