// 012345678
// aa bb cc
public void testReplaceByEmpty() throws IOException {
final String BLOCK = "aa bb cc";
PatternReplaceCharFilterFactory factory = new PatternReplaceCharFilterFactory();
Map<String, String> args = new HashMap<String, String>();
args.put("pattern", "(aa)\\s+(bb)\\s+(cc)");
factory.init(args);
CharStream cs = factory.create(CharReader.get(new StringReader(BLOCK)));
TokenStream ts = new MockTokenizer(cs, MockTokenizer.WHITESPACE, false);
assertTokenStreamContents(ts, new String[] {});
}
// 012345678
// aa bb cc
// aa#bb#cc
public void test1block1matchSameLength() throws IOException {
final String BLOCK = "aa bb cc";
PatternReplaceCharFilterFactory factory = new PatternReplaceCharFilterFactory();
Map<String, String> args = new HashMap<String, String>();
args.put("pattern", "(aa)\\s+(bb)\\s+(cc)");
args.put("replacement", "$1#$2#$3");
factory.init(args);
CharStream cs = factory.create(CharReader.get(new StringReader(BLOCK)));
TokenStream ts = new MockTokenizer(cs, MockTokenizer.WHITESPACE, false);
assertTokenStreamContents(
ts, new String[] {"aa#bb#cc"}, new int[] {0}, new int[] {8}, BLOCK.length());
}
// 1111
// 01234567890123
// this is test.
public void testNothingChange() throws IOException {
final String BLOCK = "this is test.";
PatternReplaceCharFilterFactory factory = new PatternReplaceCharFilterFactory();
Map<String, String> args = new HashMap<String, String>();
args.put("pattern", "(aa)\\s+(bb)\\s+(cc)");
args.put("replacement", "$1$2$3");
factory.init(args);
CharStream cs = factory.create(CharReader.get(new StringReader(BLOCK)));
TokenStream ts = new MockTokenizer(cs, MockTokenizer.WHITESPACE, false);
assertTokenStreamContents(
ts,
new String[] {"this", "is", "test."},
new int[] {0, 5, 8},
new int[] {4, 7, 13},
BLOCK.length());
}
