test/tools/javac/TryWithResources/TwrForVariable1.java

*** 35,44 ****
--- 35,80 ----
                  assertCloseCount(5);
              }
          }
  
          assertCloseCount(6);
+ 
+         // null test cases
+         TwrForVariable1 n = null;
+ 
+         try (n) {
+         }
+         try (n) {
+             throw new Exception();
+         } catch (Exception e) {
+         }
+ 
+         assertCloseCount(6);
+ 
+         // initialization exception
+         TwrForVariable1 i1 = new TwrForVariable1();
+         try (i1; TwrForVariable1 i2 = new TwrForVariable1(true)) {
+         } catch (Exception e) {
+         }
+ 
+         assertCloseCount(7);
+ 
+         // multiple closures
+         TwrForVariable1 m1 = new TwrForVariable1();
+         try (m1; TwrForVariable1 m2 = m1; TwrForVariable1 m3 = m2;) {
+         }
+ 
+         assertCloseCount(10);
+ 
+         // aliasing of variables keeps equality (bugs 6911256 6964740)
+         TwrForVariable1 a1 = new TwrForVariable1();
+         try (a1; TwrForVariable1 a2 = a1;) {
+             if (a2 != a2)
+                 throw new RuntimeException("Unexpected inequality.");
+         }
+ 
+         assertCloseCount(12);
      }
  
      static void assertCloseCount(int expectedCloseCount) {
          if (closeCount != expectedCloseCount)
              throw new RuntimeException("bad closeCount: " + closeCount +
*** 64,69 ****
--- 100,114 ----
          @Override
          public void close() {
              closeCount++;
          }
      }
+ 
+     public TwrForVariable1(boolean throwException) {
+         if (throwException)
+             throw new RuntimeException("Initialization exception");
+     }
+ 
+     public TwrForVariable1() {
+         this(false);
+     }
  }