private void verifyDir(final Directory dir, final String expectedIndexName) throws IOException { DirectoryExtensions infDir = (DirectoryExtensions) dir; AssertJUnit.assertEquals(expectedIndexName, infDir.getIndexName()); writeTextToIndex(dir, 0, "hi all"); assertTextIsFoundInIds(dir, "hi", 0); writeTextToIndex(dir, 1, "all together"); assertTextIsFoundInIds(dir, "all", 0, 1); } }