import org.assertj.core.error.BasicErrorMessageFactory; //导入依赖的package包/类
protected SELF hasBeenThrown() {
  if (actual == null) {
    throw Failures.instance().failure(info, new BasicErrorMessageFactory("%nExpecting code to raise a throwable."));
  }
  return myself;
}
 

import org.assertj.core.error.BasicErrorMessageFactory; //导入依赖的package包/类
public CustomAssert throwAnAssertionError() {
  throwAssertionError(new BasicErrorMessageFactory("failing assert"));
  return this;
}
 

import org.assertj.core.error.BasicErrorMessageFactory; //导入依赖的package包/类
@BeforeClass
public static void setUpOnce() {
  factory = new BasicErrorMessageFactory("Hello %s", "Yoda");
}
 

import org.assertj.core.error.BasicErrorMessageFactory; //导入依赖的package包/类
@Test
public void should_have_symmetric_equals() {
  assertEqualsIsSymmetric(factory, new BasicErrorMessageFactory("Hello %s", "Yoda"));
}
 

import org.assertj.core.error.BasicErrorMessageFactory; //导入依赖的package包/类
@Test
public void should_have_transitive_equals() {
  BasicErrorMessageFactory obj2 = new BasicErrorMessageFactory("Hello %s", "Yoda");
  BasicErrorMessageFactory obj3 = new BasicErrorMessageFactory("Hello %s", "Yoda");
  assertEqualsIsTransitive(factory, obj2, obj3);
}
 

import org.assertj.core.error.BasicErrorMessageFactory; //导入依赖的package包/类
@Test
public void should_maintain_equals_and_hashCode_contract() {
  assertMaintainsEqualsAndHashCodeContract(factory, new BasicErrorMessageFactory("Hello %s", "Yoda"));
}
 

import org.assertj.core.error.BasicErrorMessageFactory; //导入依赖的package包/类
@Test
public void should_not_be_equal_to_BasicErrorMessage_with_different_format() {
  assertThat(factory.equals(new BasicErrorMessageFactory("How are you, %s?", "Yoda"))).isFalse();
}
 

import org.assertj.core.error.BasicErrorMessageFactory; //导入依赖的package包/类
@Test
public void should_not_be_equal_to_BasicErrorMessage_with_different_arguments() {
  assertThat(factory.equals(new BasicErrorMessageFactory("Hello %s", "Luke"))).isFalse();
}
 

import org.assertj.core.error.BasicErrorMessageFactory; //导入依赖的package包/类
@Before
public void setUp() {
  factory = new BasicErrorMessageFactory("Hello %s", "Yoda");
}