succ = curr.next;
        if (curr.thread != null) { // we aren't unlinking this node, update pred.
          pred = curr;
        } else if (pred != null) { // We are unlinking this node and it has a predecessor.
          pred.next = succ;
          if (pred.thread == null) { // We raced with another node that unlinked pred. Restart.
            continue restart;
          }

        succ = curr.next;
        if (curr.thread != null) { // we aren't unlinking this node, update pred.
          pred = curr;
        } else if (pred != null) { // We are unlinking this node and it has a predecessor.
          pred.next = succ;
          if (pred.thread == null) { // We raced with another node that unlinked pred. Restart.
            continue restart;
          }

====

[[using_junit5]]
== Using JUnit 5

http://junit.org/junit5[JUnit 5] is the latest version of the well-known JUnit test framework.
Unlike its predecessor, JUnit 5 is modularized and composed of several modules:

    JUnit 5 = JUnit Platform + JUnit Jupiter + JUnit Vintage

					if !m.Type.IsMemory() {
						break
					}
					memPreds[m] = true
					if len(m.Args) == 0 {
						break
					}
					m = m.MemoryArg()
				}
			}

			// We can merge if v is a predecessor of mem.
			//
			// For example, we can merge load into target in the
			// following scenario:
			//      x = read ... v
			//    mem = write ... v
			//   load = read ... mem
			// target = add x load

transaction who receives a copy of the work also receives whatever
licenses to the work the party's predecessor in interest had or could
give under the previous paragraph, plus a right to possession of the
Corresponding Source of the work from the predecessor in interest, if
the predecessor has it or can get it with reasonable efforts.

  You may not impose any further restrictions on the exercise of the

      // expected-remark@above {{Predecessors: {6}}}
      // expected-remark@above {{Successors: {8}}}
      tf_executor.yield %read3 : tensor<32xf32>
      // expected-remark@above {{ID: 8}}
      // expected-remark@above {{Predecessors: {4,5,7}}}
    }
    tf_executor.fetch %island#0 : tensor<32xf32>
    // expected-remark@above {{ID: 10}}
    // expected-remark@above {{Predecessors: {9}}}
  }

	}
	unlock(&span.speciallock)
	releasem(mp)
	return result
}

// Find a splice point in the sorted list and check for an already existing
// record. Returns a pointer to the next-reference in the list predecessor.
// Returns true, if the referenced item is an exact match.
func (span *mspan) specialFindSplicePoint(offset uintptr, kind byte) (**special, bool) {
	// Find splice point, check for existing record.

    assume().that(graphIsMutable()).isTrue();

    addNode(N2);
    Set<Integer> predecessors = graph.predecessors(N2);
    UnsupportedOperationException e =
        assertThrows(UnsupportedOperationException.class, () -> predecessors.add(N1));
    putEdge(N1, N2);
    assertThat(graph.predecessors(N2)).containsExactlyElementsIn(predecessors);
  }

  @Override
  @Test
  public void successors_checkReturnedSetMutability() {

  public void predecessors_checkReturnedSetMutability() {
    addNode(N2);
    Set<Integer> predecessors = network.predecessors(N2);
    UnsupportedOperationException e =
        assertThrows(UnsupportedOperationException.class, () -> predecessors.add(N1));
    addEdge(N1, N2, E12);
    assertThat(network.predecessors(N2)).containsExactlyElementsIn(predecessors);
  }

  @Override
  @Test

  ElementOrder<N> nodeOrder();

  /**
   * Returns an {@link ElementOrder} that specifies the order of iteration for the elements of
   * {@link #edges()}, {@link #adjacentNodes(Object)}, {@link #predecessors(Object)}, {@link
   * #successors(Object)} and {@link #incidentEdges(Object)}.
   *
   * @since 29.0
   */
  ElementOrder<N> incidentEdgeOrder();

  //
  // Element-level accessors
  //

  /**