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Some test cases going more into the details of the Flat3Map 

implementation. Closes #39.
This commit is contained in:
Stephan Fuhrmann 2018-06-12 15:31:24 -06:00 committed by Gary Gregory
parent 6dbc3b396f
commit bbf6533902
1 changed files with 362 additions and 0 deletions
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362
src/test/java/org/apache/commons/collections4/map/Flat3MapTest.java
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@ -20,6 +20,7 @@ import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
@ -443,4 +444,365 @@ public class Flat3MapTest<K, V> extends AbstractIterableMapTest<K, V> {
assertNotSame(string1, string3);
assertNotSame(string2, string3);
}
public void testRemove1() {
final Flat3Map<Integer, Integer> m = new Flat3Map<>();
// object is not existing
Object obj = m.remove(44);
assertNull(obj);
m.put(ONE, ONE);
obj = m.remove(ONE);
assertSame(ONE, obj);
assertEquals(0, m.size());
// after removal, be no longer there
obj = m.get(ONE);
assertNull(obj);
m.put(ONE, ONE);
m.put(TWO, TWO);
m.put(THREE, THREE);
obj = m.remove(ONE);
assertSame(ONE, obj);
obj = m.get(ONE);
assertNull(obj);
obj = m.get(TWO);
assertSame(TWO, obj);
}
public void testRemove2() {
final Flat3Map<Integer, Integer> m = new Flat3Map<>();
Object obj;
m.put(ONE, ONE);
m.put(TWO, TWO);
m.put(THREE, THREE);
obj = m.remove(ONE);
assertSame(ONE, obj);
obj = m.get(ONE);
assertNull(obj);
obj = m.get(TWO);
assertSame(TWO, obj);
obj = m.get(THREE);
assertSame(THREE, obj);
}
public void testRemove3() {
final Flat3Map<Integer, Integer> m = new Flat3Map<>();
Object obj;
m.put(ONE, ONE);
m.put(TWO, TWO);
m.put(THREE, THREE);
obj = m.remove(TWO);
assertSame(TWO, obj);
obj = m.get(ONE);
assertSame(ONE, obj);
obj = m.get(TWO);
assertNull(obj);
obj = m.get(THREE);
assertSame(THREE, obj);
}
public void testRemove4() {
final Flat3Map<Integer, Integer> m = new Flat3Map<>();
Object obj;
m.put(ONE, ONE);
m.put(TWO, TWO);
m.put(THREE, THREE);
obj = m.remove(THREE);
assertSame(THREE, obj);
obj = m.get(ONE);
assertSame(ONE, obj);
obj = m.get(TWO);
assertSame(TWO, obj);
obj = m.get(THREE);
assertNull(obj);
}
public void testRemove5() {
final Flat3Map<Integer, Integer> m = new Flat3Map<>();
Object obj;
m.put(null, ONE);
obj = m.remove(null);
assertSame(ONE, obj);
obj = m.get(null);
assertNull(obj);
}
public void testRemove6() {
final Flat3Map<Integer, Integer> m = new Flat3Map<>();
Object obj;
m.put(ONE, ONE);
m.put(null, TWO);
obj = m.remove(null);
assertSame(TWO, obj);
obj = m.get(ONE);
assertSame(ONE, obj);
obj = m.get(null);
assertNull(obj);
}
public void testRemove7() {
final Flat3Map<Integer, Integer> m = new Flat3Map<>();
Object obj;
m.put(null, ONE);
m.put(TWO, TWO);
obj = m.remove(null);
assertSame(ONE, obj);
obj = m.get(null);
assertNull(obj);
obj = m.get(TWO);
assertSame(TWO, obj);
}
public void testRemove8() {
final Flat3Map<Integer, Integer> m = new Flat3Map<>();
Object obj;
m.put(ONE, ONE);
m.put(TWO, TWO);
m.put(null, THREE);
obj = m.remove(null);
assertSame(THREE, obj);
obj = m.get(ONE);
assertSame(ONE, obj);
obj = m.get(TWO);
assertSame(TWO, obj);
obj = m.get(null);
assertNull(obj);
}
public void testRemove9() {
final Flat3Map<Integer, Integer> m = new Flat3Map<>();
Object obj;
m.put(ONE, ONE);
obj = m.remove(null);
assertNull(obj);
}
public void testRemove10() {
final Flat3Map<Integer, Integer> m = new Flat3Map<>();
Object obj;
m.put(ONE, ONE);
m.put(TWO, TWO);
obj = m.remove(null);
assertNull(obj);
}
public void testRemove11() {
final Flat3Map<Integer, Integer> m = new Flat3Map<>();
Object obj;
m.put(ONE, ONE);
m.put(TWO, TWO);
m.put(THREE, THREE);
obj = m.remove(null);
assertNull(obj);
}
public void testRemove12() {
final Flat3Map<Integer, Integer> m = new Flat3Map<>();
Object obj;
m.put(ONE, ONE);
m.put(TWO, TWO);
m.put(THREE, THREE);
obj = m.remove(42);
assertNull(obj);
}
public void testRemove13() {
final Flat3Map<Integer, Integer> m = new Flat3Map<>();
Object obj;
m.put(ONE, ONE);
m.put(TWO, TWO);
obj = m.remove(42);
assertNull(obj);
}
public void testNewInstance1() {
final Map<Integer, Integer> orig = new HashMap<>();
orig.put(ONE, ONE);
orig.put(TWO, TWO);
final Flat3Map<Integer, Integer> m = new Flat3Map<>(orig);
assertEquals(orig, m);
assertEquals(2, m.size());
}
public void testGet1() {
final Flat3Map<Integer, Integer> m = new Flat3Map<>();
Object obj;
m.put(null, ONE);
obj = m.get(null);
assertSame(ONE, obj);
}
public void testGet2() {
final Flat3Map<Integer, Integer> m = new Flat3Map<>();
Object obj;
m.put(ONE, ONE);
m.put(null, TWO);
obj = m.get(null);
assertSame(TWO, obj);
}
public void testGet3() {
final Flat3Map<Integer, Integer> m = new Flat3Map<>();
Object obj;
m.put(ONE, ONE);
m.put(TWO, TWO);
m.put(null, THREE);
obj = m.get(null);
assertSame(THREE, obj);
}
public void testContainsKey1() {
final Flat3Map<Integer, Integer> m = new Flat3Map<>();
m.put(ONE, ONE);
m.put(TWO, TWO);
m.put(null, THREE);
boolean contains = m.containsKey(null);
assertEquals(true, contains);
}
public void testContainsKey2() {
final Flat3Map<Integer, Integer> m = new Flat3Map<>();
m.put(ONE, ONE);
m.put(null, TWO);
boolean contains = m.containsKey(null);
assertEquals(true, contains);
}
public void testContainsKey3() {
final Flat3Map<Integer, Integer> m = new Flat3Map<>();
m.put(null, ONE);
boolean contains = m.containsKey(null);
assertEquals(true, contains);
}
public void testContainsValue1() {
final Flat3Map<Integer, Integer> m = new Flat3Map<>();
m.put(ONE, ONE);
m.put(TWO, TWO);
m.put(THREE, null);
boolean contains = m.containsValue(null);
assertEquals(true, contains);
}
public void testContainsValue2() {
final Flat3Map<Integer, Integer> m = new Flat3Map<>();
m.put(ONE, ONE);
m.put(TWO, null);
boolean contains = m.containsValue(null);
assertEquals(true, contains);
}
public void testContainsValue3() {
final Flat3Map<Integer, Integer> m = new Flat3Map<>();
m.put(ONE, null);
boolean contains = m.containsValue(null);
assertEquals(true, contains);
}
public void testPut1() {
final Flat3Map<Integer, Integer> m = new Flat3Map<>();
m.put(ONE, ONE);
m.put(TWO, TWO);
m.put(null, THREE);
Object old = m.put(null, ONE);
assertEquals(THREE, old);
assertEquals(ONE, m.get(null));
}
public void testPut2() {
final Flat3Map<Integer, Integer> m = new Flat3Map<>();
m.put(ONE, ONE);
m.put(null, THREE);
Object old = m.put(null, ONE);
assertEquals(THREE, old);
assertEquals(ONE, m.get(null));
}
public void testPut3() {
final Flat3Map<Integer, Integer> m = new Flat3Map<>();
m.put(null, THREE);
Object old = m.put(null, ONE);
assertEquals(THREE, old);
assertEquals(null, m.get(ONE));
}
public void testPut4() {
final Flat3Map<Integer, Integer> m = new Flat3Map<>();
m.put(ONE, ONE);
m.put(TWO, TWO);
m.put(THREE, THREE);
Object old = m.put(THREE, ONE);
assertEquals(THREE, old);
assertEquals(ONE, m.get(THREE));
}
public void testPut5() {
final Flat3Map<Integer, Integer> m = new Flat3Map<>();
m.put(ONE, ONE);
m.put(TWO, THREE);
Object old = m.put(TWO, ONE);
assertEquals(THREE, old);
assertEquals(ONE, m.get(TWO));
}
public void testPut6() {
final Flat3Map<Integer, Integer> m = new Flat3Map<>();
m.put(ONE, THREE);
Object old = m.put(ONE, ONE);
assertEquals(THREE, old);
assertEquals(ONE, m.get(ONE));
}
}