t.url = null; // Null URL
        t.numIter = 0; // No iterations to avoid NPE

        // Should not throw exception
        assertDoesNotThrow(() -> t.run(), "run() should handle null URL gracefully");
        assertEquals(1, t.numComplete, "numComplete should still be incremented");
    }

    @Test
    @DisplayName("run method handles zero iterations")
    void testRunWithZeroIterations() {

    return mapMaker.weakKeys();
  }

  static <E extends Enum<E>> Class<E> getDeclaringClassOrObjectForJ2cl(E e) {
    return e.getDeclaringClass();
  }

  static int reduceIterationsIfGwt(int iterations) {
    return iterations;
  }

  static int reduceExponentIfGwt(int exponent) {
    return exponent;
  }

  private Platform() {}

          }
        };

    int numThreads = 10;
    int iterations = 1000;
    Thread[] threads = new Thread[numThreads];
    for (int i = 0; i < numThreads; i++) {
      threads[i] =
          new Thread() {
            @Override
            public void run() {
              for (int j = 0; j < iterations; j++) {
                Object unused = Suppliers.synchronizedSupplier(nonThreadSafe).get();

    return mapMaker.weakKeys();
  }

  static <E extends Enum<E>> Class<E> getDeclaringClassOrObjectForJ2cl(E e) {
    return e.getDeclaringClass();
  }

  static int reduceIterationsIfGwt(int iterations) {
    return iterations;
  }

  static int reduceExponentIfGwt(int exponent) {
    return exponent;
  }

  private Platform() {}

      } else if (pivotNewIndex < k) {
        left = max(pivotNewIndex, left + 1);
        minThresholdPosition = pivotNewIndex;
      } else {
        break;
      }
      iterations++;
      if (iterations >= maxIterations) {
        @SuppressWarnings("nullness") // safe because we pass sort() a range that contains real Ts
        T[] castBuffer = (T[]) buffer;

		if disk == nil {
			continue
		}
		writers[i] = newBitrotWriter(disk, "", "testbucket", "object", erasure.ShardFileSize(length), DefaultBitrotAlgorithm, erasure.ShardSize())
	}

	// 10000 iterations with random offsets and lengths.
	iterations := 10000

	// Create a test file to read from.
	buffer := make([]byte, blockSize, 2*blockSize)
	n, err := erasure.Encode(t.Context(), bytes.NewReader(data), writers, buffer, erasure.dataBlocks+1)

                        innerCount++;
                    }
                }
                assertEquals(0, innerCount, "Inner iteration should not execute");
            }
            assertEquals(0, outerCount, "Outer iteration should not execute");
        }, "EmptyIterator should work correctly in nested iteration");
    }

    @Test
    @DisplayName("EmptyIterator should follow Iterator contract for empty collections")

        // The iterator returns null when no elements, doesn't throw exception
        assertNull(iterator.next(), "Should return null when no next element");
    }

    /**
     * Test multiple iterations with mixed filtering results.
     */
    @Test
    void testMultipleIterationsWithFilter() throws Exception {
        // Given
        when(mockDelegate.hasNext()).thenReturn(true, true, true, false);

   * process()/processRemaining() invocations, due to alignment.
   */
  @AndroidIncompatible // slow. TODO(cpovirk): Maybe just reduce iterations under Android.
  public void testExhaustive() throws Exception {
    Random random = new Random(0); // will iteratively make more debuggable, each time it breaks

    putEdge(N2, N1);
    assertThat(graph.outDegree(N1)).isEqualTo(3);
  }

  // Stable order tests

  // Note: Stable order means that the ordering doesn't change between iterations and versions.
  // Ideally, the ordering in test should never be updated.
  @Test
  public void stableIncidentEdgeOrder_edges_returnsInStableOrder() {