public void runCompletionEngineTest(IModuleSource moduleSource, int offset, String[] expectedResults, int rplLen) {
DeeCompletionEngine completionEngine;
completionEngine = CompletionEngine_Test.testCompletionEngine(moduleSource, offset, rplLen,
MockCompilerInstalls.EMPTY_COMPILER_INSTALL);
CompletionEngineTestsRequestor requestor = (CompletionEngineTestsRequestor) completionEngine.getRequestor();
checkResults(requestor.results, expectedResults);
}