gaspersic/java-design-patterns
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Reformat rest of the design patterns - Issue #224

Browse Source
This commit is contained in:
Ankur Kaushal
2015-11-01 21:29:13 -05:00
parent 449340bd2b
commit 306b1f3d31
337 changed files with 6744 additions and 6851 deletions
Download Patch File Download Diff File Expand all files Collapse all files

49
lazy-loading/src/test/java/com/iluwatar/lazy/loading/HolderThreadSafeTest.java
View File

@ -8,35 +8,38 @@ import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
/**
* Using reflection this test shows that the heavy field is not instantiated until the method getHeavy is called
* Using reflection this test shows that the heavy field is not instantiated until the method
* getHeavy is called
*
* Created by jones on 11/10/2015.
*/
public class HolderThreadSafeTest {
@Test
public void test() throws IllegalAccessException {
HolderThreadSafe hts = new HolderThreadSafe();
@Test
public void test() throws IllegalAccessException {
HolderThreadSafe hts = new HolderThreadSafe();
{//first call is null
Field[] ff = HolderThreadSafe.class.getDeclaredFields();
for (Field f: ff) {
f.setAccessible(true);
}
{
// first call is null
Field[] ff = HolderThreadSafe.class.getDeclaredFields();
for (Field f : ff) {
f.setAccessible(true);
}
assertNull(ff[0].get(hts));
}
// now it is lazily loaded
hts.getHeavy();
{//now it is not null - call via reflection so that the test is the same before and after
Field[] ff = HolderThreadSafe.class.getDeclaredFields();
for (Field f: ff) {
f.setAccessible(true);
}
assertNotNull(ff[0].get(hts));
}
assertNull(ff[0].get(hts));
}
// now it is lazily loaded
hts.getHeavy();
{
// now it is not null - call via reflection so that the test is the same before and after
Field[] ff = HolderThreadSafe.class.getDeclaredFields();
for (Field f : ff) {
f.setAccessible(true);
}
assertNotNull(ff[0].get(hts));
}
}
}