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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.cache;
import java.util.ArrayList;
import java.util.List;
public class CalcTestCase extends junit.framework.TestCase {
private SizeCalculator calc;
public CalcTestCase (String name) {
super(name);
}
public void setUp() {
calc = new SizeCalculator();
}
public void testCalc1() {
assertEquals(calc.sizeOf(new Object()), 8);
}
public void testCalc2() {
assertEquals(calc.sizeOf(new SixtyFourBooleans()), 8+64);
}
public void testBoolean() {
assertEquals(8+1, calc.sizeOf(new Boolean(true)));
}
public void testArrayPrimitive() {
byte[] eightBytes = new byte[]{1,1,1,1,1,1,1,1,};
assertEquals(16+8, calc.sizeOf(eightBytes));
}
public void testArrayObjects() {
SixtyFourBooleans[] bunchOfBooleans = new SixtyFourBooleans[]{new SixtyFourBooleans(),
new SixtyFourBooleans(), new SixtyFourBooleans()};
assertEquals(16+(3*(8+64)+(3*4)), calc.sizeOf(bunchOfBooleans));
}
public void testSizeOfList() {
SixtyFourBooleans sfb = new SixtyFourBooleans();
List<Object> dupList1 = new ArrayList<>();
dupList1.add(new Object());
dupList1.add(sfb);
dupList1.add(sfb);
dupList1.add(sfb);
List<Object> dupList2 = new ArrayList<>();
dupList2.addAll(dupList1);
dupList2.add(sfb);
dupList2.add(sfb);
dupList2.add(sfb);
dupList2.add(new Object());
dupList2.add(new Object());
assertEquals(calc.sizeOf(dupList2), calc.sizeOf(dupList1)+8+8);
}
public void testSizeOfTuple() {
SixtyFourBooleans[] bunchOfBooleans = new SixtyFourBooleans[]{new SixtyFourBooleans(),
new SixtyFourBooleans(), new SixtyFourBooleans()};
SixtyFourBooleans[] bunchOfBooleans2 = new SixtyFourBooleans[]{new SixtyFourBooleans(),
new SixtyFourBooleans(), new SixtyFourBooleans()};
assertEquals(16+(3*(8+64)+(3*4)), calc.sizeOf(bunchOfBooleans));
assertEquals(2* (16+(3*(8+64)+(3*4))), calc.sizeOf(bunchOfBooleans, bunchOfBooleans2));
}
/*public void testEmptyArrayList() {
assertEquals(80, calc.sizeOf(new ArrayList()));
}*/
/*public void testFullArrayList() {
ArrayList arrayList = new ArrayList(10000);
for (int i = 0; i < 10000; i++) {
arrayList.add(new Object());
}
assertEquals(120040, calc.sizeOf(arrayList));
}*/
/*public void testHashMap() {
assertEquals(120, calc.sizeOf(new HashMap()));
Byte[] all = new Byte[256];
for (int i = -128; i < 128; i++) {
all[i + 128] = new Byte((byte) i);
}
assertEquals(5136, calc.sizeOf(all));
HashMap hm = new HashMap();
for (int i = -128; i < 128; i++) {
hm.put("" + i, new Byte((byte) i));
}
assertEquals(30776, calc.sizeOf(hm));
}*/
/*public void testThousandBooleansObjects() {
Boolean[] booleans = new Boolean[1000];
for (int i = 0; i < booleans.length; i++)
booleans[i] = new Boolean(true);
assertEquals(20016, calc.sizeOf(booleans));
}*/
@SuppressWarnings("unused")
private static class SixtyFourBooleans {
boolean a0;
boolean a1;
boolean a2;
boolean a3;
boolean a4;
boolean a5;
boolean a6;
boolean a7;
boolean b0;
boolean b1;
boolean b2;
boolean b3;
boolean b4;
boolean b5;
boolean b6;
boolean b7;
boolean c0;
boolean c1;
boolean c2;
boolean c3;
boolean c4;
boolean c5;
boolean c6;
boolean c7;
boolean d0;
boolean d1;
boolean d2;
boolean d3;
boolean d4;
boolean d5;
boolean d6;
boolean d7;
boolean e0;
boolean e1;
boolean e2;
boolean e3;
boolean e4;
boolean e5;
boolean e6;
boolean e7;
boolean f0;
boolean f1;
boolean f2;
boolean f3;
boolean f4;
boolean f5;
boolean f6;
boolean f7;
boolean g0;
boolean g1;
boolean g2;
boolean g3;
boolean g4;
boolean g5;
boolean g6;
boolean g7;
boolean h0;
boolean h1;
boolean h2;
boolean h3;
boolean h4;
boolean h5;
boolean h6;
boolean h7;
}
}
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