test/hotspot/jtreg/runtime/appcds/DirClasspathTest.java

*** 32,58 ****
   */
  
  import jdk.test.lib.Platform;
  import jdk.test.lib.process.OutputAnalyzer;
  import java.io.File;
  
  public class DirClasspathTest {
      public static void main(String[] args) throws Exception {
          File dir = new File(System.getProperty("user.dir"));
          File emptydir = new File(dir, "emptydir");
          emptydir.mkdir();
  
          // Empty dir in -cp: should be OK
          OutputAnalyzer output;
-         if (!Platform.isWindows()) {
-             // This block fails on Windows because of JDK-8192927
              output = TestCommon.dump(emptydir.getPath(), TestCommon.list("DoesntMatter"), "-Xlog:class+path=info");
              TestCommon.checkDump(output);
          }
  
          // Non-empty dir in -cp: should fail
          // <dir> is not empty because it has at least one subdirectory, i.e., <emptydir>
          output = TestCommon.dump(dir.getPath(), TestCommon.list("DoesntMatter"), "-Xlog:class+path=info");
          output.shouldNotHaveExitValue(0);
          output.shouldContain("CDS allows only empty directories in archived classpaths");
      }
  }
--- 32,83 ----
   */
  
  import jdk.test.lib.Platform;
  import jdk.test.lib.process.OutputAnalyzer;
  import java.io.File;
+ import java.nio.file.Path;
+ import java.nio.file.Paths;
+ import java.util.Arrays;
  
  public class DirClasspathTest {
+     private static final int MAX_PATH = 260;
+ 
      public static void main(String[] args) throws Exception {
          File dir = new File(System.getProperty("user.dir"));
          File emptydir = new File(dir, "emptydir");
          emptydir.mkdir();
  
          // Empty dir in -cp: should be OK
          OutputAnalyzer output;
          output = TestCommon.dump(emptydir.getPath(), TestCommon.list("DoesntMatter"), "-Xlog:class+path=info");
          TestCommon.checkDump(output);
+ 
+         // Long path to empty dir in -cp: should be OK
+         Path classDir = Paths.get(System.getProperty("test.classes"));
+         Path destDir = classDir;
+         int subDirLen = MAX_PATH - classDir.toString().length() - 2;
+         if (subDirLen > 0) {
+             char[] chars = new char[subDirLen];
+             Arrays.fill(chars, 'x');
+             String subPath = new String(chars);
+             destDir = Paths.get(System.getProperty("test.classes"), subPath);
          }
+         File longDir = destDir.toFile();
+         longDir.mkdir();
+         File subDir = new File(longDir, "DoesntMatter");
+         subDir.mkdir();
+         output = TestCommon.dump(subDir.getPath(), TestCommon.list("DoesntMatter"), "-Xlog:class+path=info");
+         TestCommon.checkDump(output);
  
          // Non-empty dir in -cp: should fail
          // <dir> is not empty because it has at least one subdirectory, i.e., <emptydir>
          output = TestCommon.dump(dir.getPath(), TestCommon.list("DoesntMatter"), "-Xlog:class+path=info");
          output.shouldNotHaveExitValue(0);
          output.shouldContain("CDS allows only empty directories in archived classpaths");
+ 
+         // Long path to non-empty dir in -cp: should fail
+         // <dir> is not empty because it has at least one subdirectory, i.e., <emptydir>
+         output = TestCommon.dump(longDir.getPath(), TestCommon.list("DoesntMatter"), "-Xlog:class+path=info");
+         output.shouldNotHaveExitValue(0);
+         output.shouldContain("CDS allows only empty directories in archived classpaths");
      }
  }