Examples with MethodHandles.lookup java.lang.invoke.MethodHandles.lookup used on opensource projects

Example 11 with MethodHandles.lookup

use of java.lang.invoke.MethodHandles.lookup in project openj9 by eclipse.

the class Test_ReflectionAndMethodHandles method test_find_special_child_public_static.

/**
 * This method is a negative test to verify that the methodHandle for the public static
 * method from the child interface cannot be successfully looked up using findSpecial.
 * An IllegalAccessException is expected to be thrown
 * @throws IllegalAccessException
 */
@Test
public static void test_find_special_child_public_static() throws Exception {
    Class<?> c = Class.forName("ITestChild", true, loadClass);
    Lookup lookup = getLookupObject(c);
    try {
        MethodHandle mh = lookup.findSpecial(c, "child_public_static_method", type, Test_ReflectionAndMethodHandles.class);
        Assert.fail("Should have thrown an IllegalAccessException");
    } catch (IllegalAccessException e) {
    /* Pass */
    }
}

Example 12 with MethodHandles.lookup

use of java.lang.invoke.MethodHandles.lookup in project openj9 by eclipse.

the class Test_ReflectionAndMethodHandles method test_find_special_ancestor_private_static.

/**
 * This method is a negative test to verify that the methodHandle for the private static
 * method from the parent interface cannot be successfully looked up using findSpecial.
 * An IllegalAccessException is expected to be thrown
 * @throws IllegalAccessException
 */
@Test
public static void test_find_special_ancestor_private_static() throws Exception {
    Class<?> c = Class.forName("ITestChild", true, loadClass);
    Lookup lookup = getLookupObject(c);
    try {
        MethodHandle mh = lookup.findSpecial(c, "private_static_method", type, Test_ReflectionAndMethodHandles.class);
        Assert.fail("Should have thrown an IllegalAccessException");
    } catch (Exception e) {
        AssertJUnit.assertTrue("Failing test as expected IllegalAccessException to get thrown, instead of " + e, e instanceof IllegalAccessException);
    }
}

Example 13 with MethodHandles.lookup

use of java.lang.invoke.MethodHandles.lookup in project openj9 by eclipse.

the class Test_ReflectionAndMethodHandles method test_find_special_ancestor_private_non_static.

/**
 * This method is a negative test to verify that the methodHandle for the private non static
 * method from the parent interface cannot be successfully looked up using findSpecial.
 * An IllegalAccessException is expected to be thrown
 * @throws IllegalAccessException
 */
@Test
public static void test_find_special_ancestor_private_non_static() throws Exception {
    Class<?> c = Class.forName("ITestChild", true, loadClass);
    Lookup lookup = getLookupObject(c);
    try {
        MethodHandle mh = lookup.findSpecial(c, "private_non_static_method", type, Test_ReflectionAndMethodHandles.class);
        Assert.fail("Should have thrown an IllegalAccessException");
    } catch (IllegalAccessException e) {
    /* Pass */
    }
}

Example 14 with MethodHandles.lookup

use of java.lang.invoke.MethodHandles.lookup in project openj9 by eclipse.

the class Test_ReflectionAndMethodHandles method test_find_static_ancestor_private_static.

/**
 * This method is a negative test to verify that the methodHandle for the private static
 * method from the parent interface ITest cannot be successfully looked up using findStatic.
 * A NoSuchMethodException is expected to be thrown
 * @throws NoSuchMethodException
 */
@Test
public static void test_find_static_ancestor_private_static() throws Exception {
    Class<?> c = Class.forName("ITestChild", true, loadClass);
    Lookup lookup = getLookupObject(c);
    try {
        MethodHandle mh = lookup.findStatic(c, "private_static_method", type);
        Assert.fail("Should have thrown a NoSuchMethodException");
    } catch (NoSuchMethodException e) {
    /* Pass */
    }
}

Example 15 with MethodHandles.lookup

use of java.lang.invoke.MethodHandles.lookup in project openj9 by eclipse.

the class Test_ReflectionAndMethodHandles method test_find_special_ancestor_public_static.

/**
 * This method is a negative test to verify that the methodHandle for the public static
 * method from the parent interface cannot be successfully looked up using findSpecial.
 * An IllegalAccessException is expected to be thrown
 * @throws IllegalAccessException
 */
@Test
public static void test_find_special_ancestor_public_static() throws Exception {
    Class<?> c = Class.forName("ITestChild", true, loadClass);
    Lookup lookup = getLookupObject(c);
    try {
        MethodHandle mh = lookup.findSpecial(c, "RunTest_private_static_method_with_InvokeStatic", type, Test_ReflectionAndMethodHandles.class);
        Assert.fail("Should have thrown an IllegalAccessException");
    } catch (IllegalAccessException e) {
    /* Pass */
    }
}