diff options
Diffstat (limited to 'test/141-class-unload/src/Main.java')
| -rw-r--r-- | test/141-class-unload/src/Main.java | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/test/141-class-unload/src/Main.java b/test/141-class-unload/src/Main.java index 17a6049dbf..3a05302fd7 100644 --- a/test/141-class-unload/src/Main.java +++ b/test/141-class-unload/src/Main.java @@ -49,6 +49,8 @@ public class Main { stressTest(constructor); // Test that the oat files are unloaded. testOatFilesUnloaded(getPid()); + // Test that objects keep class loader live for sticky GC. + testStickyUnload(constructor); } catch (Exception e) { e.printStackTrace(); } @@ -152,6 +154,30 @@ public class Main { return new WeakReference(intHolder); } + private static Object allocObjectInOtherClassLoader(Constructor<?> constructor) + throws Exception { + ClassLoader loader = (ClassLoader) constructor.newInstance( + DEX_FILE, LIBRARY_SEARCH_PATH, ClassLoader.getSystemClassLoader()); + return loader.loadClass("IntHolder").newInstance(); + } + + // Regression test for public issue 227182. + private static void testStickyUnload(Constructor<?> constructor) throws Exception { + String s = ""; + for (int i = 0; i < 10; ++i) { + s = ""; + // The object is the only thing preventing the class loader from being unloaded. + Object o = allocObjectInOtherClassLoader(constructor); + for (int j = 0; j < 1000; ++j) { + s += j + " "; + } + // Make sure the object still has a valid class (hasn't been incorrectly unloaded). + s += o.getClass().getName(); + o = null; + } + System.out.println("Too small " + (s.length() < 1000)); + } + private static WeakReference<ClassLoader> setUpUnloadLoader(Constructor constructor, boolean waitForCompilation) throws Exception { |