test/java/lang/module/customfs/ModulesInCustomFileSystem.java

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  import org.testng.annotations.Test;
  import static org.testng.Assert.*;
  
  @Test
  public class ModulesInCustomFileSystem {
+     private static final Path HERE = Paths.get("");
  
      /**
       * Test exploded modules in a JAR file system.
       */
      public void testExplodedModulesInJarFileSystem() throws Exception {
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          Path m2 = findModuleDirectory("m2");
          Path mlib = m1.getParent();
          assertEquals(mlib, m2.getParent());
  
          // create JAR file containing m1/** and m2/**
!         Path jar = Files.createTempDirectory("mlib").resolve("modules.jar");
          JarUtils.createJarFile(jar, mlib);
          testJarFileSystem(jar);
      }
  
      /**
       * Test modular JARs in a JAR file system
       */
      public void testModularJARsInJarFileSystem() throws Exception {
          Path m1 = findModuleDirectory("m1");
          Path m2 = findModuleDirectory("m2");
!         Path contents = Files.createTempDirectory("contents");
          JarUtils.createJarFile(contents.resolve("m1.jar"), m1);
          JarUtils.createJarFile(contents.resolve("m2.jar"), m2);
  
          // create JAR file containing m1.jar and m2.jar
!         Path jar = Files.createTempDirectory("mlib").resolve("modules.jar");
          JarUtils.createJarFile(jar, contents);
          testJarFileSystem(jar);
      }
  
      /**
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          Path m2 = findModuleDirectory("m2");
          Path mlib = m1.getParent();
          assertEquals(mlib, m2.getParent());
  
          // create JAR file containing m1/** and m2/**
!         Path jar = Files.createTempDirectory(HERE, "mlib").resolve("modules.jar");
          JarUtils.createJarFile(jar, mlib);
          testJarFileSystem(jar);
      }
  
      /**
       * Test modular JARs in a JAR file system
       */
      public void testModularJARsInJarFileSystem() throws Exception {
          Path m1 = findModuleDirectory("m1");
          Path m2 = findModuleDirectory("m2");
!         Path contents = Files.createTempDirectory(HERE, "contents");
          JarUtils.createJarFile(contents.resolve("m1.jar"), m1);
          JarUtils.createJarFile(contents.resolve("m2.jar"), m2);
  
          // create JAR file containing m1.jar and m2.jar
!         Path jar = Files.createTempDirectory(HERE, "mlib").resolve("modules.jar");
          JarUtils.createJarFile(jar, contents);
          testJarFileSystem(jar);
      }
  
      /**