public void testRemoveAllExtendingBothDirections() {
TreeRangeSet<Integer> rangeSet = TreeRangeSet.create();
rangeSet.add(Range.closed(3, 6));
rangeSet.remove(Range.closed(2, 7));
testInvariants(rangeSet);
ASSERT.that(rangeSet.asRanges()).isEmpty();
}
public void testAddEmpty() {
TreeRangeSet<Integer> rangeSet = TreeRangeSet.create();
rangeSet.add(Range.closedOpen(3, 3));
testInvariants(rangeSet);
ASSERT.that(rangeSet.asRanges()).isEmpty();
ASSERT.that(rangeSet.complement().asRanges()).has().allOf(Range.<Integer>all()).inOrder();
}
public void testRemoveAllFromAboveUpperBound() {
TreeRangeSet<Integer> rangeSet = TreeRangeSet.create();
rangeSet.add(Range.closed(3, 6));
rangeSet.remove(Range.closed(3, 7));
testInvariants(rangeSet);
ASSERT.that(rangeSet.asRanges()).isEmpty();
}
public void testRemovePartFromBelowLowerBound() {
TreeRangeSet<Integer> rangeSet = TreeRangeSet.create();
rangeSet.add(Range.closed(3, 6));
rangeSet.remove(Range.closed(1, 3));
testInvariants(rangeSet);
ASSERT.that(rangeSet.asRanges()).has().allOf(Range.openClosed(3, 6)).inOrder();
}
public void testRemovePartFromAboveUpperBound() {
TreeRangeSet<Integer> rangeSet = TreeRangeSet.create();
rangeSet.add(Range.closed(3, 6));
rangeSet.remove(Range.closed(6, 9));
testInvariants(rangeSet);
ASSERT.that(rangeSet.asRanges()).has().allOf(Range.closedOpen(3, 6)).inOrder();
}
public void testRemoveExact() {
TreeRangeSet<Integer> rangeSet = TreeRangeSet.create();
rangeSet.add(Range.closed(3, 6));
rangeSet.remove(Range.closed(3, 6));
testInvariants(rangeSet);
ASSERT.that(rangeSet.asRanges()).isEmpty();
}
public void testRemoveNoOverlap() {
TreeRangeSet<Integer> rangeSet = TreeRangeSet.create();
rangeSet.add(Range.closed(3, 6));
rangeSet.remove(Range.closedOpen(1, 3));
testInvariants(rangeSet);
ASSERT.that(rangeSet.asRanges()).has().allOf(Range.closed(3, 6)).inOrder();
}
public void testAllSingleRangesEnclosing() {
for (Range<Integer> range : QUERY_RANGES) {
TreeRangeSet<Integer> rangeSet = TreeRangeSet.create();
rangeSet.add(range);
testEnclosing(rangeSet);
testEnclosing(rangeSet.complement());
}
}
public void testComplement() {
for (Range<Integer> range1 : QUERY_RANGES) {
for (Range<Integer> range2 : QUERY_RANGES) {
TreeRangeSet<Integer> rangeSet = TreeRangeSet.create();
rangeSet.add(range1);
rangeSet.add(range2);
testViewAgainstExpected(expectedComplement(rangeSet), rangeSet.complement());
}
}
}
public void testCreateCopy() {
for (Range<Integer> range1 : QUERY_RANGES) {
for (Range<Integer> range2 : QUERY_RANGES) {
TreeRangeSet<Integer> rangeSet = TreeRangeSet.create();
rangeSet.add(range1);
rangeSet.add(range2);
assertEquals(rangeSet, TreeRangeSet.create(rangeSet));
}
}
}
public void testExtendBothDirections() {
TreeRangeSet<Integer> rangeSet = TreeRangeSet.create();
rangeSet.add(Range.closed(3, 4));
rangeSet.add(Range.closed(1, 6));
testInvariants(rangeSet);
ASSERT.that(rangeSet.asRanges()).has().item(Range.closed(1, 6));
ASSERT
.that(rangeSet.complement().asRanges())
.has()
.allOf(Range.lessThan(1), Range.greaterThan(6))
.inOrder();
}
public void testIgnoresSmallerSharingUpperBound() {
TreeRangeSet<Integer> rangeSet = TreeRangeSet.create();
rangeSet.add(Range.closed(1, 6));
rangeSet.add(Range.closed(3, 6));
testInvariants(rangeSet);
ASSERT.that(rangeSet.asRanges()).has().item(Range.closed(1, 6));
ASSERT
.that(rangeSet.complement().asRanges())
.has()
.allOf(Range.lessThan(1), Range.greaterThan(6))
.inOrder();
}
public void testSubRangeSet() {
for (Range<Integer> range1 : QUERY_RANGES) {
for (Range<Integer> range2 : QUERY_RANGES) {
TreeRangeSet<Integer> rangeSet = TreeRangeSet.create();
rangeSet.add(range1);
rangeSet.add(range2);
for (Range<Integer> subRange : QUERY_RANGES) {
testViewAgainstExpected(
expectedSubRangeSet(rangeSet, subRange), rangeSet.subRangeSet(subRange));
}
}
}
}
public void testAllSingleRangesComplementAgainstRemove() {
for (Range<Integer> range : QUERY_RANGES) {
TreeRangeSet<Integer> rangeSet = TreeRangeSet.create();
rangeSet.add(range);
TreeRangeSet<Integer> complement = TreeRangeSet.create();
complement.add(Range.<Integer>all());
complement.remove(range);
assertEquals(complement, rangeSet.complement());
ASSERT.that(rangeSet.complement().asRanges()).has().allFrom(complement.asRanges()).inOrder();
}
}
public void put(Range<R> range, K value) {
RangeMap<R, List<K>> subRangeMap = map.subRangeMap(range);
Map<Range<R>, List<K>> submap = subRangeMap.asMapOfRanges();
if (submap.isEmpty()) {
ArrayList<K> list = new ArrayList<K>();
list.add(value);
map.put(range, list);
} else {
RangeSet<R> notCoveredSpan = TreeRangeSet.create();
notCoveredSpan.add(range);
List<Pair<Range<R>, List<K>>> newElements = new ArrayList<Pair<Range<R>, List<K>>>();
for (Entry<Range<R>, List<K>> mapEntry : submap.entrySet()) {
List<K> newValue = new ArrayList<K>(mapEntry.getValue());
newValue.add(value);
newElements.add(new ImmutablePair<Range<R>, List<K>>(mapEntry.getKey(), newValue));
notCoveredSpan.remove(mapEntry.getKey());
}
for (Pair<Range<R>, List<K>> el : newElements) {
map.put(el.getLeft(), el.getRight());
}
if (!notCoveredSpan.isEmpty()) {
for (Range<R> notYetCoveredSpan : notCoveredSpan.asRanges()) {
ArrayList<K> list = new ArrayList<K>();
list.add(value);
map.put(notYetCoveredSpan, list);
}
}
}
}
@Override
public ImmutableRangeSet<Integer> lookahead(Language lang) {
Frequency ff = lang.lali.consumesInput(first);
switch (ff) {
case NEVER:
return lang.lali.lookahead(second);
case ALWAYS:
return lang.lali.lookahead(first);
case SOMETIMES:
TreeRangeSet<Integer> r = TreeRangeSet.create();
r.addAll(lang.lali.lookahead(first));
r.addAll(lang.lali.lookahead(second));
return ImmutableRangeSet.copyOf(r);
}
throw new AssertionError(ff.name());
}
public void testRangeContaining1() {
RangeSet<Integer> rangeSet = TreeRangeSet.create();
rangeSet.add(Range.closed(3, 10));
assertEquals(Range.closed(3, 10), rangeSet.rangeContaining(5));
assertTrue(rangeSet.contains(5));
assertNull(rangeSet.rangeContaining(1));
assertFalse(rangeSet.contains(1));
}
public void testRangesByUpperBound() {
for (Range<Integer> range1 : QUERY_RANGES) {
for (Range<Integer> range2 : QUERY_RANGES) {
TreeRangeSet<Integer> rangeSet = TreeRangeSet.create();
rangeSet.add(range1);
rangeSet.add(range2);
NavigableMap<Cut<Integer>, Range<Integer>> expectedRangesByUpperBound = Maps.newTreeMap();
for (Range<Integer> range : rangeSet.asRanges()) {
expectedRangesByUpperBound.put(range.upperBound, range);
}
testNavigationAgainstExpected(
expectedRangesByUpperBound,
new TreeRangeSet.RangesByUpperBound<Integer>(rangeSet.rangesByLowerBound),
CUTS_TO_TEST);
}
}
}
private RangeSet<Integer> expectedSubRangeSet(
RangeSet<Integer> rangeSet, Range<Integer> subRange) {
RangeSet<Integer> expected = TreeRangeSet.create();
for (Range<Integer> range : rangeSet.asRanges()) {
if (range.isConnected(subRange)) {
expected.add(range.intersection(subRange));
}
}
return expected;
}
public void testRangeContaining2() {
RangeSet<Integer> rangeSet = TreeRangeSet.create();
rangeSet.add(Range.closed(3, 10));
rangeSet.remove(Range.open(5, 7));
assertEquals(Range.closed(3, 5), rangeSet.rangeContaining(5));
assertTrue(rangeSet.contains(5));
assertEquals(Range.closed(7, 10), rangeSet.rangeContaining(8));
assertTrue(rangeSet.contains(8));
assertNull(rangeSet.rangeContaining(6));
assertFalse(rangeSet.contains(6));
}
@Test
public void whenCreateRangeSet_thenCreated() {
final RangeSet<Integer> rangeSet = TreeRangeSet.create();
rangeSet.add(Range.closed(1, 10));
rangeSet.add(Range.closed(12, 15));
assertEquals(2, rangeSet.asRanges().size());
rangeSet.add(Range.closed(10, 12));
assertTrue(rangeSet.encloses(Range.closed(1, 15)));
assertEquals(1, rangeSet.asRanges().size());
}
private static RangeSet<Integer> characterRangesToTokenRanges(
JavaInput javaInput, List<Range<Integer>> characterRanges) throws FormatterException {
RangeSet<Integer> tokenRangeSet = TreeRangeSet.create();
for (Range<Integer> characterRange0 : characterRanges) {
Range<Integer> characterRange = characterRange0.canonical(DiscreteDomain.integers());
tokenRangeSet.add(
javaInput.characterRangeToTokenRange(
characterRange.lowerEndpoint(),
characterRange.upperEndpoint() - characterRange.lowerEndpoint()));
}
return tokenRangeSet;
}
private static void doPairTest(Range<Integer> a, Range<Integer> b) {
TreeRangeSet<Integer> rangeSet = TreeRangeSet.create();
rangeSet.add(a);
rangeSet.add(b);
if (a.isEmpty() && b.isEmpty()) {
ASSERT.that(rangeSet.asRanges()).isEmpty();
} else if (a.isEmpty()) {
ASSERT.that(rangeSet.asRanges()).has().item(b);
} else if (b.isEmpty()) {
ASSERT.that(rangeSet.asRanges()).has().item(a);
} else if (a.isConnected(b)) {
ASSERT.that(rangeSet.asRanges()).has().allOf(a.span(b)).inOrder();
} else {
if (a.lowerEndpoint() < b.lowerEndpoint()) {
ASSERT.that(rangeSet.asRanges()).has().allOf(a, b).inOrder();
} else {
ASSERT.that(rangeSet.asRanges()).has().allOf(b, a).inOrder();
}
}
}
public void testMergesConnectedDisjoint() {
TreeRangeSet<Integer> rangeSet = TreeRangeSet.create();
rangeSet.add(Range.closed(1, 4));
rangeSet.add(Range.open(4, 6));
testInvariants(rangeSet);
ASSERT.that(rangeSet.asRanges()).has().item(Range.closedOpen(1, 6));
ASSERT
.that(rangeSet.complement().asRanges())
.has()
.allOf(Range.lessThan(1), Range.atLeast(6))
.inOrder();
}
public void testRemoveEmpty() {
TreeRangeSet<Integer> rangeSet = TreeRangeSet.create();
rangeSet.add(Range.closed(1, 6));
rangeSet.remove(Range.closedOpen(3, 3));
testInvariants(rangeSet);
ASSERT.that(rangeSet.asRanges()).has().item(Range.closed(1, 6));
ASSERT
.that(rangeSet.complement().asRanges())
.has()
.allOf(Range.lessThan(1), Range.greaterThan(6))
.inOrder();
}
public void testRemovePartSharingUpperBound() {
TreeRangeSet<Integer> rangeSet = TreeRangeSet.create();
rangeSet.add(Range.closed(3, 5));
rangeSet.remove(Range.openClosed(3, 5));
testInvariants(rangeSet);
ASSERT.that(rangeSet.asRanges()).has().item(Range.singleton(3));
ASSERT
.that(rangeSet.complement().asRanges())
.has()
.allOf(Range.lessThan(3), Range.greaterThan(3))
.inOrder();
}
public void testRemoveMiddle() {
TreeRangeSet<Integer> rangeSet = TreeRangeSet.create();
rangeSet.add(Range.atMost(6));
rangeSet.remove(Range.closedOpen(3, 4));
testInvariants(rangeSet);
ASSERT.that(rangeSet.asRanges()).has().allOf(Range.lessThan(3), Range.closed(4, 6)).inOrder();
ASSERT
.that(rangeSet.complement().asRanges())
.has()
.allOf(Range.closedOpen(3, 4), Range.greaterThan(6))
.inOrder();
}
/**
* Format an input string (a Java compilation unit) into an output string.
*
* @param input the input string
* @return the output string
* @throws FormatterException if the input string cannot be parsed
*/
public String formatSource(String input) throws FormatterException {
JavaInput javaInput = new JavaInput(STDIN_FILENAME, input);
JavaOutput javaOutput = new JavaOutput(javaInput, new JavaCommentsHelper());
List<FormatterDiagnostic> errors = new ArrayList<>();
format(javaInput, javaOutput, MAX_WIDTH, errors, 1);
if (!errors.isEmpty()) {
throw new FormatterException(errors);
}
StringBuilder result = new StringBuilder(input.length());
RangeSet<Integer> lineRangeSet = TreeRangeSet.create();
lineRangeSet.add(Range.<Integer>all());
try {
javaOutput.writeMerged(result, lineRangeSet);
} catch (IOException ignored) {
throw new AssertionError("IOException impossible for StringWriter");
}
return result.toString();
}
public void testFillHoleWithOverlap() {
TreeRangeSet<Integer> rangeSet = TreeRangeSet.create();
rangeSet.add(Range.closedOpen(1, 3));
rangeSet.add(Range.closedOpen(4, 6));
rangeSet.add(Range.closedOpen(2, 5));
testInvariants(rangeSet);
ASSERT.that(rangeSet.asRanges()).has().item(Range.closedOpen(1, 6));
ASSERT
.that(rangeSet.complement().asRanges())
.has()
.allOf(Range.lessThan(1), Range.atLeast(6))
.inOrder();
}
private RangeSet<Integer> expectedComplement(RangeSet<Integer> rangeSet) {
RangeSet<Integer> expected = TreeRangeSet.create();
expected.add(Range.<Integer>all());
expected.removeAll(rangeSet);
return expected;
}