test/java/lang/module/ModuleFinderTest.java

*** 371,381 ****
          assertTrue(descriptor.packages().contains("p.resources"));
      }
  
  
      /**
!      * Test ModuleModule with a JAR file containing a .class file in the top
       * level directory.
       */
      public void testOfOneJarFileWithTopLevelClass() throws Exception {
          Path dir = Files.createTempDirectory(USER_DIR, "mods");
          Path jar = createModularJar(dir.resolve("m.jar"), "m", "Mojo.class");
--- 371,381 ----
          assertTrue(descriptor.packages().contains("p.resources"));
      }
  
  
      /**
!      * Test ModuleFinder with a JAR file containing a .class file in the top
       * level directory.
       */
      public void testOfOneJarFileWithTopLevelClass() throws Exception {
          Path dir = Files.createTempDirectory(USER_DIR, "mods");
          Path jar = createModularJar(dir.resolve("m.jar"), "m", "Mojo.class");
*** 384,406 ****
          try {
              finder.find("m");
              assertTrue(false);
          } catch (FindException e) {
              assertTrue(e.getCause() instanceof InvalidModuleDescriptorException);
          }
  
          finder = ModuleFinder.of(jar);
          try {
              finder.findAll();
              assertTrue(false);
          } catch (FindException e) {
              assertTrue(e.getCause() instanceof InvalidModuleDescriptorException);
          }
      }
  
      /**
!      * Test ModuleModule with a JAR file containing a .class file in the top
       * level directory.
       */
      public void testOfOneExplodedModuleWithTopLevelClass() throws Exception {
          Path dir = Files.createTempDirectory(USER_DIR, "mods");
          Path m_dir = createExplodedModule(dir.resolve("m"), "m", "Mojo.class");
--- 384,408 ----
          try {
              finder.find("m");
              assertTrue(false);
          } catch (FindException e) {
              assertTrue(e.getCause() instanceof InvalidModuleDescriptorException);
+             assertTrue(e.getCause().getMessage().contains("Mojo.class"));
          }
  
          finder = ModuleFinder.of(jar);
          try {
              finder.findAll();
              assertTrue(false);
          } catch (FindException e) {
              assertTrue(e.getCause() instanceof InvalidModuleDescriptorException);
+             assertTrue(e.getCause().getMessage().contains("Mojo.class"));
          }
      }
  
      /**
!      * Test ModuleFinder with a JAR file containing a .class file in the top
       * level directory.
       */
      public void testOfOneExplodedModuleWithTopLevelClass() throws Exception {
          Path dir = Files.createTempDirectory(USER_DIR, "mods");
          Path m_dir = createExplodedModule(dir.resolve("m"), "m", "Mojo.class");
*** 409,426 ****
--- 411,430 ----
          try {
              finder.find("m");
              assertTrue(false);
          } catch (FindException e) {
              assertTrue(e.getCause() instanceof InvalidModuleDescriptorException);
+             assertTrue(e.getCause().getMessage().contains("Mojo.class"));
          }
  
          finder = ModuleFinder.of(m_dir);
          try {
              finder.findAll();
              assertTrue(false);
          } catch (FindException e) {
              assertTrue(e.getCause() instanceof InvalidModuleDescriptorException);
+             assertTrue(e.getCause().getMessage().contains("Mojo.class"));
          }
      }
  
  
      /**