def test_cast(self): from java.lang import Boolean, Object b = Boolean(True) b_Object = cast(Object, b) self.assertIsNot(b, b_Object) self.assertEqual(b, b_Object) self.assertIs(Boolean.getClass(), b.getClass()) self.assertIs(Boolean.getClass(), b_Object.getClass()) self.assertIsNot(Object.getClass(), b_Object.getClass()) self.assertIs(b_Object, cast(Object, b)) self.assertIs(b, cast(Boolean, b_Object)) for obj in [Boolean, "Ljava/lang/Boolean;"]: with self.subTest(obj=obj): with self.assertRaisesRegex(TypeError, "cannot create java.lang.Boolean " "proxy from java.lang.Object instance"): cast(obj, Object()) with self.assertRaisesRegex(jclass("java.lang.NoClassDefFoundError"), "java.lang.Nonexistent"): cast("Ljava/lang/Nonexistent;", Object()) with self.assertRaisesRegex(ValueError, "Invalid JNI signature: 'java.lang.Object'"): cast("java.lang.Object", Object()) for obj in [0, True, None, int, str]: with self.subTest(obj=obj): with self.assertRaisesRegex(TypeError, f"{obj!r} is not a Java type"): cast(obj, Object())
def test_cast(self): from java.lang import Boolean, Object b = Boolean(True) b_Object = cast(Object, b) self.assertIsNot(b, b_Object) self.assertEqual(b, b_Object) self.assertIs(Boolean.getClass(), b.getClass()) self.assertIs(Boolean.getClass(), b_Object.getClass()) self.assertIsNot(Object.getClass(), b_Object.getClass()) self.assertIs(b_Object, cast(Object, b)) self.assertIs(b, cast(Boolean, b_Object)) with self.assertRaisesRegexp( TypeError, "cannot create java.lang.Boolean proxy from " "java.lang.Object instance"): cast(Boolean, Object())