forgetest1
/
antlr
forked from jasder/antlr
1
0
Fork 0
Code Issues Pull Requests 1 Releases Wiki Activity

Additional IntervalSet unit test (catches underlying cause of #153)

This commit is contained in:
Sam Harwell 2013-02-05 13:09:14 -06:00
parent 59f7467d68
commit aae042c6db
1 changed files with 15 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
tool/test/org/antlr/v4/test/TestIntervalSet.java
View File

@ -340,6 +340,21 @@ public class TestIntervalSet extends BaseTest {
assertEquals(expecting, result); assertEquals(expecting, result);
} }
/**
* This case is responsible for antlr/antlr4#153.
* https://github.com/antlr/antlr4/issues/153
*/
@Test public void testMergeWhereAdditionMergesThreeExistingIntervals() throws Exception {
IntervalSet s = new IntervalSet();
s.add(0);
s.add(3);
s.add(5);
s.add(0, 7);
String expecting = "{0..7}";
String result = s.toString();
assertEquals(expecting, result);
}
@Test public void testMergeWithDoubleOverlap() throws Exception { @Test public void testMergeWithDoubleOverlap() throws Exception {
IntervalSet s = IntervalSet.of(1,10); IntervalSet s = IntervalSet.of(1,10);
s.add(20,30); s.add(20,30);