test/jdk/java/lang/String/concat/WithSecurityManager.java

rev 54607 : 8222895: StackOverflowError in custom security manager that relies on ClassSpecializer
Reviewed-by: TBD

*** 24,34 ****
  import java.security.Permission;
  
  /**
   * @test
   * @summary String concatenation fails with a custom SecurityManager that uses concatenation
!  * @bug 8155090 8158851
   * @requires !vm.graal.enabled
   *
   * @compile WithSecurityManager.java
   *
   * @run main/othervm -Xverify:all WithSecurityManager
--- 24,34 ----
  import java.security.Permission;
  
  /**
   * @test
   * @summary String concatenation fails with a custom SecurityManager that uses concatenation
!  * @bug 8155090 8158851 8222895
   * @requires !vm.graal.enabled
   *
   * @compile WithSecurityManager.java
   *
   * @run main/othervm -Xverify:all WithSecurityManager
*** 53,80 ****
          {
              SecurityManager sm = new SecurityManager() {
                  @Override
                  public void checkPermission(Permission perm) {
                      String abc = "abc";
!                     String full = abc + "def";
                  }
              };
              System.setSecurityManager(sm);
!             ClassLoader cl = new ClassLoader() {
!             };
          }
  
          // Second time should succeed to run after bootstrapping
          {
              SecurityManager sm = new SecurityManager() {
                  @Override
                  public void checkPermission(Permission perm) {
                      String abc = "abc";
!                     String full = abc + "def";
                  }
              };
              System.setSecurityManager(sm);
!             ClassLoader cl = new ClassLoader() {
!             };
          }
      }
  }
--- 53,92 ----
          {
              SecurityManager sm = new SecurityManager() {
                  @Override
                  public void checkPermission(Permission perm) {
                      String abc = "abc";
!                     int ival = perm.hashCode();
!                     String full = abc + "abc";
!                     // Contorted to avoid sweeping cases where we've
!                     // pre-generated commonly used species under the rug
!                     full = "abc" + ival + "def" + abc + "def" + abc + "def" +
!                            abc + "def" + ival + "def" + abc + "def" +
!                            abc + "def" + abc + "def" + abc + "def";
                  }
              };
              System.setSecurityManager(sm);
!             ClassLoader cl = new ClassLoader() {};
          }
  
          // Second time should succeed to run after bootstrapping
          {
              SecurityManager sm = new SecurityManager() {
                  @Override
                  public void checkPermission(Permission perm) {
                      String abc = "abc";
!                     int ival = perm.hashCode();
!                     String full = abc + "abc";
!                     // Contorted variant to avoid sweeping cases where we've
!                     // pre-generated commonly used species under the rug
!                     full = "abc" + ival + "def" + abc + "def" + abc + "def" +
!                             abc + "def" + ival + "def" + abc + "def" +
!                             abc + "def" + abc + "def" + abc + "def";
                  }
              };
+ 
+             // Provoke checkPermission invocation
              System.setSecurityManager(sm);
!             ClassLoader cl = new ClassLoader() {};
          }
      }
  }