A better test
diff --git a/jena-base/src/test/java/org/apache/jena/atlas/lib/cache/CacheSimpleTest.java b/jena-base/src/test/java/org/apache/jena/atlas/lib/cache/CacheSimpleTest.java
index c603cd6..f59274d 100644
--- a/jena-base/src/test/java/org/apache/jena/atlas/lib/cache/CacheSimpleTest.java
+++ b/jena-base/src/test/java/org/apache/jena/atlas/lib/cache/CacheSimpleTest.java
@@ -20,8 +20,7 @@
import static java.util.stream.Collectors.toMap;
import static java.util.stream.IntStream.rangeClosed;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.*;
import org.apache.jena.atlas.lib.Cache;
import org.junit.Test;
@@ -44,9 +43,17 @@
@Test
public void testSameHash() {
- Cache<String, Integer> cache = new CacheSimple<>(10);
- assertEquals("Aa".hashCode(), "BB".hashCode());
- cache.put("Aa", 1);
- assertFalse("Keys with same hash code should not be considered equal", cache.containsKey("BB"));
+ Object key1 = new Object() {
+ @Override public int hashCode() { return 1; }
+ };
+ Object key2 = new Object() {
+ @Override public int hashCode() { return 1; }
+ };
+ assertEquals(key1.hashCode(), key2.hashCode());
+ assertNotEquals(key1, key2);
+ Cache<Object, Integer> cache = new CacheSimple<>(10);
+ cache.put(key1, 1);
+ assertTrue("Same key, expected in cache", cache.containsKey(key1));
+ assertFalse("Keys with same hash code should not be considered equal", cache.containsKey(key2));
}
}
