Examples with NamedElementFilter spoon.reflect.visitor.filter.NamedElementFilter used on opensource projects

Example 41 with NamedElementFilter

use of spoon.reflect.visitor.filter.NamedElementFilter in project spoon by INRIA.

the class LambdaTest method testLambdaExpressionInIfConditional.

@Test
public void testLambdaExpressionInIfConditional() throws Exception {
    final CtLambda<?> lambda = getLambdaInFooByNumber(7);
    assertTypedBy(Predicate.class, lambda.getType());
    assertParametersSizeIs(1, lambda.getParameters());
    final CtParameter<?> parameter = (CtParameter<?>) lambda.getParameters().get(0);
    assertParameterTypedBy(Foo.Person.class, parameter);
    assertParameterIsNamedBy("p", parameter);
    assertHasExpressionBody(lambda);
    final CtMethod<?> method = foo.getElements(new NamedElementFilter<>(CtMethod.class, "m8")).get(0);
    final CtIf condition = method.getElements(new AbstractFilter<CtIf>(CtIf.class) {

        @Override
        public boolean matches(CtIf element) {
            return true;
        }
    }).get(0);
    final String expected = "if (((java.util.function.Predicate<spoon.test.lambda.testclasses.Foo.Person>) (( p) -> (p.age) > 18)).test(new spoon.test.lambda.testclasses.Foo.Person(10))) {" + System.lineSeparator() + "    java.lang.System.err.println(\"Enjoy, you have more than 18.\");" + System.lineSeparator() + "}";
    assertEquals("Condition must be well printed", expected, condition.toString());
}

Example 42 with NamedElementFilter

use of spoon.reflect.visitor.filter.NamedElementFilter in project spoon by INRIA.

the class ParameterTest method testMultiParameterLambdaTypeReference.

@Test
@SuppressWarnings("unchecked")
public void testMultiParameterLambdaTypeReference() {
    Launcher launcher = new Launcher();
    launcher.addInputResource("./src/test/resources/noclasspath/lambdas/MultiParameterLambda.java");
    launcher.getEnvironment().setNoClasspath(true);
    launcher.buildModel();
    List<CtParameter> parameters;
    // test string parameters
    parameters = launcher.getModel().getElements(new NamedElementFilter<>(CtMethod.class, "stringLambda")).get(0).getElements(new TypeFilter<>(CtParameter.class));
    assertEquals(2, parameters.size());
    for (final CtParameter param : parameters) {
        CtTypeReference refType = (CtTypeReference) param.getReference().getType();
        assertEquals(launcher.getFactory().Type().STRING, refType);
    }
    // test integer parameters
    parameters = launcher.getModel().getElements(new NamedElementFilter<>(CtMethod.class, "integerLambda")).get(0).getElements(new TypeFilter<>(CtParameter.class));
    assertEquals(2, parameters.size());
    for (final CtParameter param : parameters) {
        CtTypeReference refType = (CtTypeReference) param.getReference().getType();
        assertEquals(launcher.getFactory().Type().INTEGER, refType);
    }
    // test unknown parameters
    parameters = launcher.getModel().getElements(new NamedElementFilter<>(CtMethod.class, "unknownLambda")).get(0).getElements(new TypeFilter<>(CtParameter.class));
    assertEquals(2, parameters.size());
    for (final CtParameter param : parameters) {
        CtTypeReference refType = (CtTypeReference) param.getReference().getType();
        // unknown parameters have no type
        assertEquals(null, refType);
    }
}

Example 43 with NamedElementFilter

use of spoon.reflect.visitor.filter.NamedElementFilter in project spoon by INRIA.

the class MethodReferenceTest method testNoClasspathSuperExecutable.

@Test
public void testNoClasspathSuperExecutable() {
    final Launcher launcher = new Launcher();
    launcher.getEnvironment().setNoClasspath(true);
    launcher.addInputResource("src/test/resources/noclasspath/superclass/UnknownSuperClass.java");
    launcher.buildModel();
    final CtModel model = launcher.getModel();
    final CtTypeReference overrideRef = launcher.getFactory().Annotation().createReference(Override.class);
    // call `getSuperClass()` indirectly using `getOverridingExecutable()`
    // some consistency checks...
    assertEquals(1, model.getElements(new NamedElementFilter<>(CtMethod.class, "a")).size());
    assertEquals(1, model.getElements(new NamedElementFilter<>(CtMethod.class, "b")).size());
    assertEquals(1, model.getElements(new NamedElementFilter<>(CtMethod.class, "toString")).size());
    // get super method of a class not available in classpath
    final CtMethod bMethod = model.getElements(new NamedElementFilter<>(CtMethod.class, "b")).get(0);
    assertNotNull(bMethod.getAnnotation(overrideRef));
    assertNull(bMethod.getReference().getOverridingExecutable());
    // get super method of a class available in classpath (Object)
    final CtMethod toStringMethod = model.getElements(new NamedElementFilter<>(CtMethod.class, "toString")).get(0);
    assertNotNull(toStringMethod.getAnnotation(overrideRef));
    assertNotNull(toStringMethod.getReference().getOverridingExecutable());
}