On Sat, 6 Aug 2022 08:08:43 GMT, Jaikiran Pai <j...@openjdk.org> wrote:
> Can I please get a review of this change which proposes to fix > https://bugs.openjdk.org/browse/JDK-8290041? > > As noted by the reporter, the current implementation is buggy since the > calculation can result in a different value of the hashcode depending on the > order of iteration of the `Modifier`s. The commit in this PR changes that > computation to produce consistent result irrespective of the order in which > the `Modifier`s (enum) is iterated upon. > > A new test has been added which reproduces the issue and verifies the fix. test/jdk/java/lang/module/ModuleDescriptorHashCodeTest.java line 71: > 69: */ > 70: @Test > 71: public void testModifiersOrdering() throws Exception { Are you planning to expand the test to cover Requires.Modifier and Exports.Modifier too? test/jdk/java/lang/module/ModuleDescriptorHashCodeTest.java line 76: > 74: // important to use Set.of() (i.e. backed by immutable set) to > reproduce the issue > 75: final Set<ModuleDescriptor.Opens.Modifier> mod1 = Set.of( > 76: ModuleDescriptor.Opens.Modifier.SYNTHETIC, > ModuleDescriptor.Opens.Modifier.MANDATED); These should probably be "mods1" and "mods2" rather than "mod1" and "mod2" as they are a set of modifiers rather than a single modifier. ------------- PR: https://git.openjdk.org/jdk/pull/9790