public void testClear() {
CharArraySet set = new CharArraySet(TEST_VERSION_CURRENT, 10, true);
set.addAll(Arrays.asList(TEST_STOP_WORDS));
assertEquals("Not all words added", TEST_STOP_WORDS.length, set.size());
set.clear();
assertEquals("not empty", 0, set.size());
for (int i = 0; i < TEST_STOP_WORDS.length; i++) assertFalse(set.contains(TEST_STOP_WORDS[i]));
set.addAll(Arrays.asList(TEST_STOP_WORDS));
assertEquals("Not all words added", TEST_STOP_WORDS.length, set.size());
for (int i = 0; i < TEST_STOP_WORDS.length; i++) assertTrue(set.contains(TEST_STOP_WORDS[i]));
}
/** Test the static #copy() function with a JDK {@link Set} as a source */
public void testCopyJDKSet() {
Set<String> set = new HashSet<>();
List<String> stopwords = Arrays.asList(TEST_STOP_WORDS);
List<String> stopwordsUpper = new ArrayList<>();
for (String string : stopwords) {
stopwordsUpper.add(string.toUpperCase(Locale.ROOT));
}
set.addAll(Arrays.asList(TEST_STOP_WORDS));
CharArraySet copy = CharArraySet.copy(TEST_VERSION_CURRENT, set);
assertEquals(set.size(), copy.size());
assertEquals(set.size(), copy.size());
assertTrue(copy.containsAll(stopwords));
for (String string : stopwordsUpper) {
assertFalse(copy.contains(string));
}
List<String> newWords = new ArrayList<>();
for (String string : stopwords) {
newWords.add(string + "_1");
}
copy.addAll(newWords);
assertTrue(copy.containsAll(stopwords));
assertTrue(copy.containsAll(newWords));
// new added terms are not in the source set
for (String string : newWords) {
assertFalse(set.contains(string));
}
}
@SuppressWarnings("deprecated")
public void testCopyCharArraySetBWCompat() {
CharArraySet setIngoreCase = new CharArraySet(TEST_VERSION_CURRENT, 10, true);
CharArraySet setCaseSensitive = new CharArraySet(TEST_VERSION_CURRENT, 10, false);
List<String> stopwords = Arrays.asList(TEST_STOP_WORDS);
List<String> stopwordsUpper = new ArrayList<>();
for (String string : stopwords) {
stopwordsUpper.add(string.toUpperCase(Locale.ROOT));
}
setIngoreCase.addAll(Arrays.asList(TEST_STOP_WORDS));
setIngoreCase.add(Integer.valueOf(1));
setCaseSensitive.addAll(Arrays.asList(TEST_STOP_WORDS));
setCaseSensitive.add(Integer.valueOf(1));
CharArraySet copy = CharArraySet.copy(TEST_VERSION_CURRENT, setIngoreCase);
CharArraySet copyCaseSens = CharArraySet.copy(TEST_VERSION_CURRENT, setCaseSensitive);
assertEquals(setIngoreCase.size(), copy.size());
assertEquals(setCaseSensitive.size(), copy.size());
assertTrue(copy.containsAll(stopwords));
assertTrue(copy.containsAll(stopwordsUpper));
assertTrue(copyCaseSens.containsAll(stopwords));
for (String string : stopwordsUpper) {
assertFalse(copyCaseSens.contains(string));
}
// test adding terms to the copy
List<String> newWords = new ArrayList<>();
for (String string : stopwords) {
newWords.add(string + "_1");
}
copy.addAll(newWords);
assertTrue(copy.containsAll(stopwords));
assertTrue(copy.containsAll(stopwordsUpper));
assertTrue(copy.containsAll(newWords));
// new added terms are not in the source set
for (String string : newWords) {
assertFalse(setIngoreCase.contains(string));
assertFalse(setCaseSensitive.contains(string));
}
}
public void testUnmodifiableSet() {
CharArraySet set = new CharArraySet(TEST_VERSION_CURRENT, 10, true);
set.addAll(Arrays.asList(TEST_STOP_WORDS));
set.add(Integer.valueOf(1));
final int size = set.size();
set = CharArraySet.unmodifiableSet(set);
assertEquals("Set size changed due to unmodifiableSet call", size, set.size());
for (String stopword : TEST_STOP_WORDS) {
assertTrue(set.contains(stopword));
}
assertTrue(set.contains(Integer.valueOf(1)));
assertTrue(set.contains("1"));
assertTrue(set.contains(new char[] {'1'}));
try {
CharArraySet.unmodifiableSet(null);
fail("can not make null unmodifiable");
} catch (NullPointerException e) {
// expected
}
}
public void testModifyOnUnmodifiable() {
CharArraySet set = new CharArraySet(TEST_VERSION_CURRENT, 10, true);
set.addAll(Arrays.asList(TEST_STOP_WORDS));
final int size = set.size();
set = CharArraySet.unmodifiableSet(set);
assertEquals("Set size changed due to unmodifiableSet call", size, set.size());
String NOT_IN_SET = "SirGallahad";
assertFalse("Test String already exists in set", set.contains(NOT_IN_SET));
try {
set.add(NOT_IN_SET.toCharArray());
fail("Modified unmodifiable set");
} catch (UnsupportedOperationException e) {
// expected
assertFalse("Test String has been added to unmodifiable set", set.contains(NOT_IN_SET));
assertEquals("Size of unmodifiable set has changed", size, set.size());
}
try {
set.add(NOT_IN_SET);
fail("Modified unmodifiable set");
} catch (UnsupportedOperationException e) {
// expected
assertFalse("Test String has been added to unmodifiable set", set.contains(NOT_IN_SET));
assertEquals("Size of unmodifiable set has changed", size, set.size());
}
try {
set.add(new StringBuilder(NOT_IN_SET));
fail("Modified unmodifiable set");
} catch (UnsupportedOperationException e) {
// expected
assertFalse("Test String has been added to unmodifiable set", set.contains(NOT_IN_SET));
assertEquals("Size of unmodifiable set has changed", size, set.size());
}
try {
set.clear();
fail("Modified unmodifiable set");
} catch (UnsupportedOperationException e) {
// expected
assertFalse("Changed unmodifiable set", set.contains(NOT_IN_SET));
assertEquals("Size of unmodifiable set has changed", size, set.size());
}
try {
set.add((Object) NOT_IN_SET);
fail("Modified unmodifiable set");
} catch (UnsupportedOperationException e) {
// expected
assertFalse("Test String has been added to unmodifiable set", set.contains(NOT_IN_SET));
assertEquals("Size of unmodifiable set has changed", size, set.size());
}
// This test was changed in 3.1, as a contains() call on the given Collection using the
// "correct" iterator's
// current key (now a char[]) on a Set<String> would not hit any element of the CAS and therefor
// never call
// remove() on the iterator
try {
set.removeAll(new CharArraySet(TEST_VERSION_CURRENT, Arrays.asList(TEST_STOP_WORDS), true));
fail("Modified unmodifiable set");
} catch (UnsupportedOperationException e) {
// expected
assertEquals("Size of unmodifiable set has changed", size, set.size());
}
try {
set.retainAll(new CharArraySet(TEST_VERSION_CURRENT, Arrays.asList(NOT_IN_SET), true));
fail("Modified unmodifiable set");
} catch (UnsupportedOperationException e) {
// expected
assertEquals("Size of unmodifiable set has changed", size, set.size());
}
try {
set.addAll(Arrays.asList(NOT_IN_SET));
fail("Modified unmodifiable set");
} catch (UnsupportedOperationException e) {
// expected
assertFalse("Test String has been added to unmodifiable set", set.contains(NOT_IN_SET));
}
for (int i = 0; i < TEST_STOP_WORDS.length; i++) {
assertTrue(set.contains(TEST_STOP_WORDS[i]));
}
}
public void testRehash() throws Exception {
CharArraySet cas = new CharArraySet(TEST_VERSION_CURRENT, 0, true);
for (int i = 0; i < TEST_STOP_WORDS.length; i++) cas.add(TEST_STOP_WORDS[i]);
assertEquals(TEST_STOP_WORDS.length, cas.size());
for (int i = 0; i < TEST_STOP_WORDS.length; i++) assertTrue(cas.contains(TEST_STOP_WORDS[i]));
}