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root/jsr166/jsr166/src/test/tck/ConcurrentHashMapTest.java

Comparing jsr166/src/test/tck/ConcurrentHashMapTest.java (file contents):
Revision 1.58 by jsr166, Mon Jan 8 03:37:59 2018 UTC vs.
Revision 1.59 by dl, Fri Oct 5 19:01:35 2018 UTC

#	Line 838 | Line 838 | public class ConcurrentHashMapTest exten
838		assertEquals(mapSize, map.size());
839		}
840
841	+
842	+
843	+	public void testReentrantComputeIfAbsent() {
844	+	ConcurrentHashMap<Integer, Integer> map = new ConcurrentHashMap<>(16);
845	+	try {
846	+	for (int i = 0; i < 100; i++) { // force a resize
847	+	map.computeIfAbsent(i, key -> findValue(map, key));
848	+	}
849	+	fail("recursive computeIfAbsent");
850	+	} catch (IllegalStateException ex) {
851	+	}
852	+	}
853	+
854	+	private Integer findValue(ConcurrentHashMap<Integer, Integer> map,
855	+	Integer key) {
856	+	return (key % 5 == 0) ?  key :
857	+	map.computeIfAbsent(key + 1, k -> findValue(map, k));
858	+	}
859	+
860		}

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