On Thu, 7 Apr 2022 00:38:07 GMT, Tim Prinzing <d...@openjdk.java.net> wrote:
> Created a test called NullCallerGetResource to test > Module::getResourceAsStream and Class::getResourceAsStream from the native > level. > > At the java level the test builds a test module called 'n' which opens the > package 'open' to everyone. There is also a package 'closed' which is neither > opened or exported. Both packages have a text file called 'test.txt'. The > open package has a class called OpenResources and the closed package has a > class called ClosedResources. The native test is launched with the test > module n added. > > At the native level the test tries to read both the open and closed resource > from both the classes and the module. It performs the equivalent of the > following java operations: > > Class c = open.OpenResources.fetchClass(); > InputStream in = c.getResourceAsStream("test.txt"); > assert(in != null); in.close(); > > Module n = c.getModule(); > in = n.getResourceAsStream("open/test.txt"); > assert(in != null); in.close(); > > Class closed = closed.ClosedResources.fetchClass(); > assert(closedsStream("test.txt") == null); > assert(n.getResourceAsStream("closed/test.txt") == null); > > The test initially threw an NPE when trying to fetch the open resource. The > Module class was fixed by removing the fragment with the (caller == null) > test in getResourceAsStream, and changing the call to isOpen(String,Module) > to use EVERYONE_MODULE if the caller module is null. This pull request has now been integrated. Changeset: e8016f74 Author: Tim Prinzing <tim.prinz...@oracle.com> Committer: Mandy Chung <mch...@openjdk.org> URL: https://git.openjdk.java.net/jdk/commit/e8016f74438ca5c64a8aab81e2fc2533e9b9f8ad Stats: 393 lines in 8 files changed: 385 ins; 0 del; 8 mod 8281006: Module::getResourceAsStream should check if the resource is open unconditionally when caller is null Reviewed-by: alanb, erikj, mchung ------------- PR: https://git.openjdk.java.net/jdk/pull/8134