On Tue, 11 Jul 2023 17:38:42 GMT, Mandy Chung <mch...@openjdk.org> wrote:
>> Chen Liang has updated the pull request incrementally with one additional >> commit since the last revision: >> >> Fix the lazy test, thanks Jorn Vernee! > > test/jdk/java/lang/invoke/MethodHandleProxies/ProxiesImplementationTest.java > line 206: > >> 204: >> 205: System.gc(); >> 206: assertTrue(cl.refersTo(null), "MHP impl class should be cleared >> by gc"); // broken > > Use `jdk.test.lib.util.ForceGC` to make the check more reliable. Add > `@library /test/lib` to use the test library. > > Suggestion: > > if (ForceGC.wait(() -> wr.refersTo(null))) { > assertTrue(wr.refersTo(null), "MHP impl class should be cleared > by gc"); > } Can test new hidden class is spinned after `ForceGC`: c1 = asInterfaceInstance(ifaceClass, mh); c2 = asInterfaceInstance(ifaceClass, mh); assertTrue(c1.getClass() == c2.getClass(), "MHP should reuse implementation class when available"); Reference.reachabilityFence(c1); ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/13197#discussion_r1260071394