test/java/lang/Appendable/Basic.java

rev 16193 : imported patch 8170348-StringBuilders-method-to-append-multiple-copies

*** 331,340 ****
--- 331,354 ----
              } catch (IOException x) {
                  fail(x);
              }
          }
  
+         // appendN with negative count
+         int[] neg = { -1, -2, -65537, Integer.MIN_VALUE + 1, Integer.MIN_VALUE };
+         for (int j = 0; j < neg.length; j++) {
+             try {
+                 a.appendN('%', neg[j]);
+                 fail("repeat count = " + neg[j], new IllegalArgumentException());
+                 a = thunk.reset(a);
+             } catch (IllegalArgumentException x) {
+                 pass();
+             } catch (IOException x) {
+                 fail(x);
+             }
+         }
+ 
          // appends of null
          int start = 1;
          int end = 2;
          try {
              thunk.init(a.append(null, start, end), "null",
*** 342,351 ****
--- 356,381 ----
              thunk.run();
              a = thunk.reset(a);
          } catch (IOException x) {
              fail(x);
          }
+ 
+         // appendN
+         for (int i = 128; i > 0; ) {
+             try {
+                 i /= 2;
+                 String s = "";
+                 for (int j = 0; j < i; j++) {
+                     s += "@";
+                 }
+                 thunk.init(a.appendN('@', i), "'@' x 0", s);
+                 thunk.run();
+                 a = thunk.reset(a);
+             } catch (IOException x) {
+                 fail(x);
+             }
+         }
      }
  
      public static void main(String [] args) throws Exception {
          // CharSequences
          CharBuffer cb = CharBuffer.allocate(128).put(s);