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Try to fail less often (never?).

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This commit is contained in:
NathanSweet 2018-06-16 03:35:32 +02:00
parent fdd38cafd1
commit 99cda2aa2a
1 changed files with 24 additions and 19 deletions
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43
test/com/esotericsoftware/reflectasm/ClassLoaderTest.java
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@ -36,8 +36,9 @@ public class ClassLoaderTest extends TestCase {
assertEquals("first", testObject.toString());
assertEquals("first", access.get(testObject, "name"));
}
public void testAutoUnloadClassloaders () throws Exception {
reclaimLoaders();
int initialCount = AccessClassLoader.activeAccessClassLoaders();
ClassLoader testClassLoader1 = new TestClassLoader1();
@ -55,12 +56,12 @@ public class ClassLoaderTest extends TestCase {
access2.set(testObject2, "name", "second");
assertEquals("second", testObject2.toString());
assertEquals("second", access2.get(testObject2, "name"));
assertEquals(access1.getClass().toString(), access2.getClass().toString()); // Same class names
assertFalse(access1.getClass().equals(access2.getClass())); // But different classes
assertEquals(initialCount+2, AccessClassLoader.activeAccessClassLoaders());
assertEquals(initialCount + 2, AccessClassLoader.activeAccessClassLoaders());
testClassLoader1 = null;
testClass1 = null;
testObject1 = null;
@ -69,24 +70,28 @@ public class ClassLoaderTest extends TestCase {
testClass2 = null;
testObject2 = null;
access2 = null;
reclaimLoaders();
// Yeah, reclaimed!
assertEquals(initialCount, AccessClassLoader.activeAccessClassLoaders());
}
private void reclaimLoaders () throws Exception {
// Force GC to reclaim unreachable (or only weak-reachable) objects
System.gc();
try {
Object[] array = new Object[(int) Runtime.getRuntime().maxMemory()];
Object[] array = new Object[(int)Runtime.getRuntime().maxMemory()];
System.out.println(array.length);
} catch (Throwable e) {
// Ignore OME
}
System.gc();
int times = 0;
while (AccessClassLoader.activeAccessClassLoaders()>1 && times < 50) { // max 5 seconds, should be instant
while (AccessClassLoader.activeAccessClassLoaders() > 1 && times < 50) { // max 5 seconds, should be instant
Thread.sleep(100); // test again
times++;
}
// Yeah, both reclaimed!
assertEquals(Math.min(initialCount, 1), AccessClassLoader.activeAccessClassLoaders());
}
public void testRemoveClassloaders () throws Exception {
@ -107,18 +112,18 @@ public class ClassLoaderTest extends TestCase {
access2.set(testObject2, "name", "second");
assertEquals("second", testObject2.toString());
assertEquals("second", access2.get(testObject2, "name"));
assertEquals(access1.getClass().toString(), access2.getClass().toString()); // Same class names
assertFalse(access1.getClass().equals(access2.getClass())); // But different classes
assertEquals(initialCount+2, AccessClassLoader.activeAccessClassLoaders());
assertEquals(initialCount + 2, AccessClassLoader.activeAccessClassLoaders());
AccessClassLoader.remove(testObject1.getClass().getClassLoader());
assertEquals(initialCount+1, AccessClassLoader.activeAccessClassLoaders());
assertEquals(initialCount + 1, AccessClassLoader.activeAccessClassLoaders());
AccessClassLoader.remove(testObject2.getClass().getClassLoader());
assertEquals(initialCount+0, AccessClassLoader.activeAccessClassLoaders());
assertEquals(initialCount + 0, AccessClassLoader.activeAccessClassLoaders());
AccessClassLoader.remove(this.getClass().getClassLoader());
assertEquals(initialCount-1, AccessClassLoader.activeAccessClassLoaders());
assertEquals(initialCount - 1, AccessClassLoader.activeAccessClassLoaders());
}
static public class Test {
@ -128,7 +133,7 @@ public class ClassLoaderTest extends TestCase {
return name;
}
}
static public class TestClassLoader1 extends ClassLoader {
protected synchronized Class<?> loadClass (String name, boolean resolve) throws ClassNotFoundException {
Class c = findLoadedClass(name);