248 () -> {
249 SortedMap ss = navigableMap.subMap(obj1, obj2);
250 },
251 ClassCastException.class, description
252 + ": Must throw ClassCastException for parameter which is not Comparable.");
253
254 // minimal range
255 navigableMap.subMap(BigInteger.ZERO, false, BigInteger.ZERO, false);
256 navigableMap.subMap(BigInteger.ZERO, false, BigInteger.ZERO, true);
257 navigableMap.subMap(BigInteger.ZERO, true, BigInteger.ZERO, false);
258 navigableMap.subMap(BigInteger.ZERO, true, BigInteger.ZERO, true);
259
260 Object first = isDescending(navigableMap) ? BigInteger.TEN : BigInteger.ZERO;
261 Object last = (BigInteger.ZERO == first) ? BigInteger.TEN : BigInteger.ZERO;
262
263 assertThrows(
264 () -> {
265 navigableMap.subMap(last, true, first, false);
266 },
267 IllegalArgumentException.class, description
268 + ": Must throw IllegalArgumentException when fromElement is not less then then toElement.");
269
270 navigableMap.subMap(first, true, last, false);
271 }
272
273 @Test(dataProvider = "NavigableMap<?,?>", dataProviderClass = EmptyNavigableMap.class)
274 public void testSubMapRanges(String description, NavigableMap navigableMap) {
275 Object first = isDescending(navigableMap) ? BigInteger.TEN : BigInteger.ZERO;
276 Object last = (BigInteger.ZERO == first) ? BigInteger.TEN : BigInteger.ZERO;
277
278 NavigableMap subMap = navigableMap.subMap(first, true, last, true);
279
280 // same subset
281 subMap.subMap(first, true, last, true);
282
283 // slightly smaller
284 NavigableMap ns = subMap.subMap(first, false, last, false);
285 // slight exapansion
286 assertThrows(() -> {
287 ns.subMap(first, true, last, true);
288 },
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248 () -> {
249 SortedMap ss = navigableMap.subMap(obj1, obj2);
250 },
251 ClassCastException.class, description
252 + ": Must throw ClassCastException for parameter which is not Comparable.");
253
254 // minimal range
255 navigableMap.subMap(BigInteger.ZERO, false, BigInteger.ZERO, false);
256 navigableMap.subMap(BigInteger.ZERO, false, BigInteger.ZERO, true);
257 navigableMap.subMap(BigInteger.ZERO, true, BigInteger.ZERO, false);
258 navigableMap.subMap(BigInteger.ZERO, true, BigInteger.ZERO, true);
259
260 Object first = isDescending(navigableMap) ? BigInteger.TEN : BigInteger.ZERO;
261 Object last = (BigInteger.ZERO == first) ? BigInteger.TEN : BigInteger.ZERO;
262
263 assertThrows(
264 () -> {
265 navigableMap.subMap(last, true, first, false);
266 },
267 IllegalArgumentException.class, description
268 + ": Must throw IllegalArgumentException when fromElement is not less than toElement.");
269
270 navigableMap.subMap(first, true, last, false);
271 }
272
273 @Test(dataProvider = "NavigableMap<?,?>", dataProviderClass = EmptyNavigableMap.class)
274 public void testSubMapRanges(String description, NavigableMap navigableMap) {
275 Object first = isDescending(navigableMap) ? BigInteger.TEN : BigInteger.ZERO;
276 Object last = (BigInteger.ZERO == first) ? BigInteger.TEN : BigInteger.ZERO;
277
278 NavigableMap subMap = navigableMap.subMap(first, true, last, true);
279
280 // same subset
281 subMap.subMap(first, true, last, true);
282
283 // slightly smaller
284 NavigableMap ns = subMap.subMap(first, false, last, false);
285 // slight exapansion
286 assertThrows(() -> {
287 ns.subMap(first, true, last, true);
288 },
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