public void testGroup(String text, String regexp, String[] output) {
// RE2
Pattern p = Pattern.compile(regexp, options);
Matcher matchString = p.matcher(utf8Slice(text));
assertEquals(true, matchString.find());
assertEquals(utf8Slice(output[0]), matchString.group());
for (int i = 0; i < output.length; i++) {
assertEquals(output[i] == null ? null : utf8Slice(output[i]), matchString.group(i));
}
assertEquals(output.length - 1, matchString.groupCount());
// JDK
java.util.regex.Pattern pj = java.util.regex.Pattern.compile(regexp);
java.util.regex.Matcher matchStringj = pj.matcher(text);
// java.util.regex.Matcher matchBytes =
// p.matcher(text.getBytes(Charsets.UTF_8));
assertEquals(true, matchStringj.find());
// assertEquals(true, matchBytes.find());
assertEquals(output[0], matchStringj.group());
// assertEquals(output[0], matchBytes.group());
for (int i = 0; i < output.length; i++) {
assertEquals(output[i], matchStringj.group(i));
// assertEquals(output[i], matchBytes.group(i));
}
}
public void testInvalidGroup(String text, String regexp, int group) {
Pattern p = Pattern.compile(regexp, options);
Matcher m = p.matcher(utf8Slice(text));
m.find();
m.group(group);
fail(); // supposed to have exception by now
}
public void testMatcherMatches(String regexp, String match) {
java.util.regex.Pattern p = java.util.regex.Pattern.compile(regexp);
assertTrue(
"JDK Pattern with regexp: " + regexp + " doesn't match: " + match,
p.matcher(match).matches());
Pattern pr = Pattern.compile(regexp, options);
assertTrue(
"Pattern with regexp: " + regexp + " doesn't match: " + match,
pr.matcher(utf8Slice(match)).matches());
}
public void testMatcherNotMatches(String regexp, String nonMatch) {
java.util.regex.Pattern p = java.util.regex.Pattern.compile(regexp);
assertFalse(
"JDK Pattern with regexp: " + regexp + " matches: " + nonMatch,
p.matcher(nonMatch).matches());
Pattern pr = Pattern.compile(regexp, options);
assertFalse(
"Pattern with regexp: " + regexp + " matches: " + nonMatch,
pr.matcher(utf8Slice(nonMatch)).matches());
}
// Tests that both RE2 and JDK's Matchers do the same replaceFist.
public void testReplaceFirst(String orig, String regex, String repl, String actual) {
Pattern p = Pattern.compile(regex, options);
Matcher m = p.matcher(utf8Slice(orig));
String replaced = m.replaceFirst(utf8Slice(repl)).toStringUtf8();
assertEquals(actual, replaced);
// JDK's
java.util.regex.Pattern pj = java.util.regex.Pattern.compile(regex);
java.util.regex.Matcher mj = pj.matcher(orig);
replaced = mj.replaceFirst(repl);
assertEquals(actual, replaced);
}
public void testFindNoMatch(String text, String regexp, int start) {
// RE2
Pattern p = Pattern.compile(regexp, options);
Matcher matchString = p.matcher(utf8Slice(text));
// RE2Matcher matchBytes = p.matcher(text.getBytes(Charsets.UTF_8));
assertFalse(matchString.find(start));
// assertFalse(matchBytes.find(start));
// JDK
java.util.regex.Pattern pj = java.util.regex.Pattern.compile(regexp);
java.util.regex.Matcher matchStringj = pj.matcher(text);
assertFalse(matchStringj.find(start));
}
// Tests that both RE2 and JDK's Patterns/Matchers give the same groupCount.
public void testGroupCount(String pattern, int count) {
// RE2
Pattern p = Pattern.compile(pattern, options);
Matcher m = p.matcher(utf8Slice("x"));
assertEquals(count, p.groupCount());
assertEquals(count, m.groupCount());
// JDK
java.util.regex.Pattern pj = java.util.regex.Pattern.compile(pattern);
java.util.regex.Matcher mj = pj.matcher("x");
// java.util.regex.Pattern doesn't have group count in JDK.
assertEquals(count, mj.groupCount());
}
public void testFind(String text, String regexp, int start, String output) {
// RE2
Pattern p = Pattern.compile(regexp, options);
Matcher matchString = p.matcher(utf8Slice(text));
assertTrue(matchString.find(start));
assertEquals(utf8Slice(output), matchString.group());
assertTrue(p.find(utf8Slice(text)));
// JDK
java.util.regex.Pattern pj = java.util.regex.Pattern.compile(regexp);
java.util.regex.Matcher matchStringj = pj.matcher(text);
assertTrue(matchStringj.find(start));
assertEquals(output, matchStringj.group());
}
public void testReplaceAllRE2J(String orig, String regex, String repl, String actual) {
Pattern p = Pattern.compile(regex, options);
Matcher m = p.matcher(utf8Slice(orig));
String replaced = m.replaceAll(utf8Slice(repl)).toStringUtf8();
assertEquals(actual, replaced);
}
private Map<String, j86.com.sun.jdi.connect.Connector.Argument> parseConnectorArgs(
Connector connector, String argString) {
Map<String, j86.com.sun.jdi.connect.Connector.Argument> arguments =
connector.defaultArguments();
/*
* We are parsing strings of the form:
* name1=value1,[name2=value2,...]
* However, the value1...valuen substrings may contain
* embedded comma(s), so make provision for quoting inside
* the value substrings. (Bug ID 4285874)
*/
String regexPattern =
"(quote=[^,]+,)|"
+ // special case for quote=.,
"(\\w+=)"
+ // name=
"(((\"[^\"]*\")|"
+ // ( "l , ue"
"('[^']*')|"
+ // 'l , ue'
"([^,'\"]+))+,)"; // v a l u e )+ ,
Pattern p = Pattern.compile(regexPattern);
Matcher m = p.matcher(argString);
while (m.find()) {
int startPosition = m.start();
int endPosition = m.end();
if (startPosition > 0) {
/*
* It is an error if parsing skips over any part of argString.
*/
throw new IllegalArgumentException(
MessageOutput.format("Illegal connector argument", argString));
}
String token = argString.substring(startPosition, endPosition);
int index = token.indexOf('=');
String name = token.substring(0, index);
String value = token.substring(index + 1, token.length() - 1); // Remove comma delimiter
/*
* for values enclosed in quotes (single and/or double quotes)
* strip off enclosing quote chars
* needed for quote enclosed delimited substrings
*/
if (name.equals("options")) {
StringBuilder sb = new StringBuilder();
for (String s : splitStringAtNonEnclosedWhiteSpace(value)) {
while (isEnclosed(s, "\"") || isEnclosed(s, "'")) {
s = s.substring(1, s.length() - 1);
}
sb.append(s);
sb.append(" ");
}
value = sb.toString();
}
Connector.Argument argument = arguments.get(name);
if (argument == null) {
throw new IllegalArgumentException(
MessageOutput.format(
"Argument is not defined for connector:", new Object[] {name, connector.name()}));
}
argument.setValue(value);
argString = argString.substring(endPosition); // Remove what was just parsed...
m = p.matcher(argString); // and parse again on what is left.
}
if ((!argString.equals(",")) && (argString.length() > 0)) {
/*
* It is an error if any part of argString is left over,
* unless it was empty to begin with.
*/
throw new IllegalArgumentException(
MessageOutput.format("Illegal connector argument", argString));
}
return arguments;
}