How to use isAssignableFrom method of org.assertj.core.api.AbstractClassAssert class

Best Assertj code snippet using org.assertj.core.api.AbstractClassAssert.isAssignableFrom

Source:AbstractClassAssert.java

...34   * <pre><code class='java'> class Jedi {}35   * class HumanJedi extends Jedi {}36   * 37   * // Should pass if :38   * assertThat(Jedi.class).isAssignableFrom(HumanJedi.class);39   * 40   * // Should fail if :41   * assertThat(HumanJedi.class).isAssignableFrom(Jedi.class);</code></pre>42   * 43   * @see Class#isAssignableFrom(Class)44   * @param others {@code Class} who can be assignable from.45   * @return this assertion object.46   * @throws AssertionError if the actual {@code Class} is {@code null}.47   * @throws IllegalArgumentException if no {@code others} classes have been specified.48   * @throws AssertionError if the actual {@code Class} is not assignable from all of the {@code others} classes.49   */50  public S isAssignableFrom(Class<?>... others) {51    classes.assertIsAssignableFrom(info, actual, others);52    return myself;53  }54  /**55   * Verifies that the actual {@code Class} is not an interface.56   * 57   * <pre><code class='java'> interface Jedi {}58   * class HumanJedi implements Jedi {}59   * 60   * // Should pass if :61   * assertThat(HumanJedi.class).isNotInterface();62   * 63   * // Should fail if :64   * assertThat(Jedi.class).isNotInterface();</code></pre>...

Source:AbstractClassAssertTest.java

...22        assertThrows(AssertException.class, () -> assert1.isSameAs(assert1));23        assertThrows(AssertException.class, () -> assert1.isNotSameAs(actual1));24        assertThrows(AssertException.class, () -> assert1.isEqualTo(assert1));25        assertThrows(AssertException.class, () -> assert1.isNotEqualTo(actual1));26        assertThrows(AssertException.class, () -> assert1.isAssignableFrom(AbstractClassAssert.class));27        assertThrows(AssertException.class, () -> assert1.isNotAssignableFrom(Class.class));28        assertThatNoException().isThrownBy(() -> {29            assert2.isNull();30            assert1.isNotNull();31            assert1.isSameAs(actual1);32            assert1.isNotSameAs(assert1);33            assert1.isEqualTo(actual1);34            assert1.isNotEqualTo(assert1);35            assert1.isAssignableFrom(Class.class);36            assert1.isNotAssignableFrom(AbstractClassAssert.class);37        });38    }39    @Test40    @DisplayName("Class method test")41    public void test2() throws Exception {42        // given43        Class<AbstractClassAssert> supperClass = AbstractClassAssert.class;44        Class<ClassAssert> subClass = ClassAssert.class;45        Class<ClassAssertInterface> interfaceClass = ClassAssertInterface.class;46        Class<AnnotationForTest> annotationClass = AnnotationForTest.class;47        Class<Asserts> finalClass = Asserts.class;48        Class<AbstractAssert> abstractClass = AbstractAssert.class;49        AnonymousClassForTest anonymousClass = new AnonymousClassForTest() {...

Source:MoreClassAssert.java

...9     * Verifies that the {@code actual} class is assignable to specified class.10     *11     * @param clazz the class supposed to be assignable from the {@code actual} class.12     * @return this assertion object.13     * @see org.assertj.core.api.AbstractClassAssert#isAssignableFrom(Class[])14     */15    // https://github.com/assertj/assertj-core/issues/257016    default S isAssignableTo(final Class<?> clazz) {17        return ForAssert.applyActual2(18                isNotNull(),19                s -> a -> {20                    assertThat(clazz).isAssignableFrom(a);21                    return s;22                }23        );24    }25}...

isAssignableFrom

Using AI Code Generation

1import org.assertj.core.api.AbstractClassAssert;2import org.assertj.core.api.Assertions;3import org.junit.Test;4public class Demo {5public void test(){6Class<?> class1 = Class.forName("java.lang.String");7Class<?> class2 = Class.forName("java.lang.Object");8AbstractClassAssert<?> classAssert = Assertions.assertThat(class1);9classAssert.isAssignableFrom(class2);10}11}12Related posts: Java | Assertions.assertThrows() method in JUnit 5 Java | Assertions.assertDoesNotThrow() method in JUnit 5 Java | Assertions.assertTimeout() method in JUnit 5 Java | Assertions.assertTimeoutPreemptively() method in JUnit 5 Java | Assertions.assertAll() method in JUnit 5 Java | Assertions.assertArrayEquals() method in JUnit 5 Java | Assertions.assertArrayEquals() method in JUnit 5 Java | Assertions.assertEquals() method in JUnit 5 Java | Assertions.assertEquals() method in JUnit 5 Java | Assertions.assertSame() method in JUnit 5 Java | Assertions.assertSame() method in JUnit 5 Java | Assertions.assertNotEquals() method in JUnit 5 Java | Assertions.assertNotEquals() method in JUnit 5 Java | Assertions.assertNotSame() method in JUnit 5 Java | Assertions.assertNotSame() method in JUnit 5 Java | Assertions.assertNotNull() method in JUnit 5 Java | Assertions.assertNotNull() method in JUnit 5 Java | Assertions.assertNull() method in JUnit 5 Java | Assertions.assertNull() method in JUnit 5 Java | Assertions.assertTrue() method in JUnit 5 Java | Assertions.assertTrue() method in

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