test/tools/jar/modularJar/Basic.java

@@ -44,10 +44,11 @@
 import static java.lang.String.format;
 import static java.lang.System.out;
 
 /*
  * @test
+ * @bug 8167328
  * @library /lib/testlibrary
  * @modules jdk.compiler
  *          jdk.jartool
  * @build jdk.testlibrary.FileUtils jdk.testlibrary.JDKToolFinder
  * @compile Basic.java

@@ -754,10 +755,18 @@
                 .resultChecker(r ->
                     assertTrue(r.output.contains(FOO.moduleName + "@" + FOO.version),
                                "Expected to find ", FOO.moduleName + "@" + FOO.version,
                                " in [", r.output, "]")
                 );
+
+            jar(option,
+                "--file=" + modularJar.toString(),
+                modularJar.toString())
+            .assertFailure();
+
+            jar(option, modularJar.toString())
+            .assertFailure();
         }
     }
 
     @Test
     public void printModuleDescriptorFooFromStdin() throws IOException {