.replace("\"sha1\":\\s+\"\\w+\"".toRegex(), "\"sha1\": \"\"")
                .replace("\"sha256\":\\s+\"\\w+\"".toRegex(), "\"sha256\": \"\"")
                .replace("\"md5\":\\s+\"\\w+\"".toRegex(), "\"md5\": \"\"")
            it.writeText(content)
        }
    }
}

    try {
      assertEquals(v0(), getMap().replace(k0(), v3()));
      expectReplacement(entry(k0(), v3()));
    } catch (ClassCastException tolerated) { // for ClassToInstanceMap
      expectUnchanged();
    }
  }

  @MapFeature.Require(SUPPORTS_PUT)
  @CollectionSize.Require(absent = ZERO)
  public void testReplace_supportedPresentNoChange() {
    assertEquals(v0(), getMap().replace(k0(), v0()));
    expectUnchanged();
  }

    } catch (Exception e) {
      throw new Error(e);
    }
  }

  /**
   * Returns a sun.misc.Unsafe. Suitable for use in a 3rd party package. Replace with a simple call
   * to Unsafe.getUnsafe when integrating into a jdk.
   *
   * @return a sun.misc.Unsafe
   */
  private static Unsafe getUnsafe() {
    try {
      return Unsafe.getUnsafe();

unction(a){return a.toLocaleLowerCase()},trim:function(b){return a.trim(b)},trimLeft:function(a){return a.replace(/^\s+/,"")},trimRight:function(a){return a.replace(/\s+$/,"")},capitalize:function(b){var c=b.split(" ");return a.each(c,function(a,b){c[a]=b.substr(0,1).toUpperCase()+b.substr(1,b.length)}),c.join(" ")},insert:function(a,b,c){var d=(b.attr("data-sanitize-insert-"+c)||"").replace(/\[SPACE\]/g," ");return"left"===c&&0===a.indexOf(d)||"right"===c&&a.substring(a.length-d.length)===d?a:(...

                childrenTracking.replace(delegate, newDelegate);
            }
            delegate = newDelegate;
        }
    }

    protected boolean replace(Object oldDelegate, Object newDelegate) {
        return false;
    }

    @FunctionalInterface
    protected interface ChildrenTracking {
        boolean replace(Object oldDelegate, Object newDelegate);
    }

                    .replace("\"sha512\":\\s+\"\\w+\"".toRegex(), "\"sha512\": \"\"")
                    .replace("\"sha1\":\\s+\"\\w+\"".toRegex(), "\"sha1\": \"\"")
                    .replace("\"sha256\":\\s+\"\\w+\"".toRegex(), "\"sha256\": \"\"")
                    .replace("\"md5\":\\s+\"\\w+\"".toRegex(), "\"md5\": \"\"")
                it.writeText(content)
            }
        }
    }

    assertEquals(Integer.valueOf(1), map.replace("foo", 2));
    assertNull(map.replace("bar", 3));
    assertEquals(Integer.valueOf(2), map.get("foo"));
    assertFalse(map.containsKey("bar"));
  }

  public void testReplaceConditional() {
    TestMap map = new TestMap();
    map.put("foo", 1);
    assertFalse(map.replace("foo", 2, 3));
    assertFalse(map.replace("bar", 1, 2));

	}

	if DB.Model(&hamster2).Association("OtherToy").Count() != 1 {
		t.Errorf("Hamster's toys count should be 1 after Append")
	}

	// Replace
	DB.Model(&hamster).Association("PreferredToy").Replace(&Toy{
		Name: "bike 3",
	})

	DB.Model(&hamster).Association("OtherToy").Replace(&Toy{
		Name: "treadmill 3",
	})

	hamsterToy = Toy{}
	DB.Model(&hamster).Association("PreferredToy").Find(&hamsterToy)

	AssertAssociationCount(t, user2, "Manager", 1, "AfterAppend")

	// Replace
	company2 := Company{Name: "company-belongs-to-replace"}
	manager2 := GetUser("manager-belongs-to-replace", Config{})

	if err := DB.Model(&user2).Association("Company").Replace(&company2); err != nil {
		t.Fatalf("Error happened when replace Company, got %v", err)
	}

	if company2.ID == 0 {
		t.Fatalf("Company's ID should be created")

                childrenTracking.replace(delegate, newDelegate);
            }
            delegate = newDelegate;
        }
    }

    protected boolean replace(Object oldDelegate, Object newDelegate) {
        return false;
    }

    @FunctionalInterface
    protected interface ChildrenTracking {
        boolean replace(Object oldDelegate, Object newDelegate);
    }