public class MapClearTester<K, V> extends AbstractMapTester<K, V> {
  @MapFeature.Require(SUPPORTS_REMOVE)
  public void testClear() {
    getMap().clear();
    assertTrue("After clear(), a map should be empty.", getMap().isEmpty());
    assertEquals(0, getMap().size());
    assertFalse(getMap().entrySet().iterator().hasNext());
  }

  public void testClear() {
    multimap().clear();
    assertCleared();
  }

  @MapFeature.Require(SUPPORTS_REMOVE)
  public void testClearThroughEntries() {
    multimap().entries().clear();
    assertCleared();
  }

  @MapFeature.Require(SUPPORTS_REMOVE)
  public void testClearThroughAsMap() {
    multimap().asMap().clear();
    assertCleared();
  }

  @MapFeature.Require(SUPPORTS_REMOVE)

	// Prepare Data for Clear
	account = Account{Number: "account-has-one-append"}
	if err := DB.Model(&user2).Association("Account").Append(&account); err != nil {
		t.Fatalf("Error happened when append Account, got %v", err)
	}

	AssertAssociationCount(t, user2, "Account", 1, "after prepare data")

	// Clear
	if err := DB.Model(&user2).Association("Account").Clear(); err != nil {

public class MapClearTester<K, V> extends AbstractMapTester<K, V> {
  @MapFeature.Require(SUPPORTS_REMOVE)
  public void testClear() {
    getMap().clear();
    assertTrue("After clear(), a map should be empty.", getMap().isEmpty());
    assertEquals(0, getMap().size());
    assertFalse(getMap().entrySet().iterator().hasNext());
  }

  public void testClear() {
    multimap().clear();
    assertCleared();
  }

  @MapFeature.Require(SUPPORTS_REMOVE)
  public void testClearThroughEntries() {
    multimap().entries().clear();
    assertCleared();
  }

  @MapFeature.Require(SUPPORTS_REMOVE)
  public void testClearThroughAsMap() {
    multimap().asMap().clear();
    assertCleared();
  }

  @MapFeature.Require(SUPPORTS_REMOVE)

	m[math.NaN()] = N

	// Iterate through map.
	i := 0
	for range m {
		if i == 6 {
			// Partway through iteration, clear the map.
			clear(m)
		} else if i > 6 {
			// If we advance to the next iteration, that's a bug.
			panic("BAD")
		}
		i++
	}
	if len(m) != 0 {
		panic("clear did not empty the map")
	}
}

func g() {
	// Allocate map.
	m := map[float64]int{}

	// Prepare Data for Clear
	if err := DB.Model(&user2).Association("Pets").Append(&pet); err != nil {
		t.Fatalf("Error happened when append Pets, got %v", err)
	}

	AssertAssociationCount(t, user2, "Pets", 1, "after prepare data")

	// Clear
	if err := DB.Model(&user2).Association("Pets").Clear(); err != nil {
		t.Errorf("Error happened when clear Pets, got %v", err)
	}

  public void testClearClearsInverse() {
    BiMap<V, K> inv = getMap().inverse();
    getMap().clear();
    assertTrue(getMap().isEmpty());
    assertTrue(inv.isEmpty());
  }

  @MapFeature.Require(SUPPORTS_REMOVE)
  public void testKeySetClearClearsInverse() {
    BiMap<V, K> inv = getMap().inverse();
    getMap().keySet().clear();
    assertTrue(getMap().isEmpty());
    assertTrue(inv.isEmpty());
  }

  public void testClearClearsInverse() {
    BiMap<V, K> inv = getMap().inverse();
    getMap().clear();
    assertTrue(getMap().isEmpty());
    assertTrue(inv.isEmpty());
  }

  @MapFeature.Require(SUPPORTS_REMOVE)
  public void testKeySetClearClearsInverse() {
    BiMap<V, K> inv = getMap().inverse();
    getMap().keySet().clear();
    assertTrue(getMap().isEmpty());
    assertTrue(inv.isEmpty());
  }

	MOVD $384, R11
	PCALIGN $16
zero512:
	DCBZ (R3+R0)        // clear first chunk
	DCBZ (R3+R9)        // clear second chunk
	DCBZ (R3+R10)       // clear third chunk
	DCBZ (R3+R11)       // clear fourth chunk
	ADD  $512, R3
	BDNZ zero512
	ANDCC $511, R4

remain:
	CMP  R4, $128  // check if 128 byte chunks left
	BLT  smaller
	DCBZ (R3+R0)   // clear 128
	ADD  $128, R3
	ADD  $-128, R4
	BR   remain