Examples with PackageExamples examples.PackageExamples used on opensource projects

Example 41 with PackageExamples

use of examples.PackageExamples in project openj9 by eclipse.

the class HelperConstructorClass method test_invokeWithArguments_VarargsObj_CrossPackage_Virtual.

/**
 * invokeWithArguments(Object... args) with cross-package virtual method
 * @throws Throwable
 */
@Test(groups = { "level.extended" })
public void test_invokeWithArguments_VarargsObj_CrossPackage_Virtual() throws Throwable {
    MethodHandle mh = MethodHandles.lookup().findVirtual(PackageExamples.class, "addPublic", MethodType.methodType(int.class, int.class, int.class));
    PackageExamples g = new PackageExamples();
    mh = mh.bindTo(g);
    Object[] l = new Object[2];
    l[0] = 1;
    l[1] = 2;
    Assert.assertEquals((int) mh.invokeWithArguments(l), 3);
}

Example 42 with PackageExamples

use of examples.PackageExamples in project openj9 by eclipse.

the class MethodHandleProxiesTest method test_isWrapperInstance_InnerClass.

/**
 * Tests isWrapperInstance using a public single method interface from the same package and followed by one from a different package.
 * Wrapper is a public virtual method defined in an inner class from same package and cross-package respectively.
 * @throws Throwable
 */
@Test(groups = { "level.extended" })
public void test_isWrapperInstance_InnerClass() throws Throwable {
    // same package test
    MethodHandle mh = MethodHandles.lookup().findVirtual(SamePackageExample.SamePackageInnerClass.class, "addPublicInner", MethodType.methodType(int.class, int.class, int.class));
    SamePackageExample x = new SamePackageExample();
    SamePackageExample.SamePackageInnerClass i = x.new SamePackageInnerClass();
    mh = mh.bindTo(i);
    SamePackageSingleMethodInterfaceExample interfaceInstance = MethodHandleProxies.asInterfaceInstance(SamePackageSingleMethodInterfaceExample.class, mh);
    AssertJUnit.assertTrue(MethodHandleProxies.isWrapperInstance(interfaceInstance));
    // cross package test
    MethodHandle mh2 = MethodHandles.lookup().findVirtual(PackageExamples.CrossPackageInnerClass.class, "addPublicInner", MethodType.methodType(int.class, int.class, int.class));
    PackageExamples y = new PackageExamples();
    mh2 = mh2.bindTo(y.new CrossPackageInnerClass());
    CrossPackageSingleMethodInterfaceExample interfaceInstanceCrossPackage = MethodHandleProxies.asInterfaceInstance(CrossPackageSingleMethodInterfaceExample.class, mh2);
    AssertJUnit.assertTrue(MethodHandleProxies.isWrapperInstance(interfaceInstanceCrossPackage));
}

Example 43 with PackageExamples

use of examples.PackageExamples in project openj9 by eclipse.

the class MethodHandleProxiesTest method test_wrapperInstanceTarget_InnerClass.

/**
 * Tests wrapperInstanceTarget using single method interface and inner-class wrapper types from same package and cross-package
 * @throws Throwable
 */
@Test(groups = { "level.extended" })
public void test_wrapperInstanceTarget_InnerClass() throws Throwable {
    // same package test
    MethodHandle mh = MethodHandles.lookup().findVirtual(SamePackageExample.SamePackageInnerClass.class, "addPublicInner", MethodType.methodType(int.class, int.class, int.class));
    SamePackageExample x = new SamePackageExample();
    SamePackageExample.SamePackageInnerClass i = x.new SamePackageInnerClass();
    mh = mh.bindTo(i);
    SamePackageSingleMethodInterfaceExample interfaceInstance = MethodHandleProxies.asInterfaceInstance(SamePackageSingleMethodInterfaceExample.class, mh);
    MethodHandle retrievedTarget = MethodHandleProxies.wrapperInstanceTarget(interfaceInstance);
    AssertJUnit.assertEquals(4, (int) retrievedTarget.invokeExact(1, 3));
    // cross package test
    MethodHandle mh2 = MethodHandles.lookup().findVirtual(PackageExamples.CrossPackageInnerClass.class, "addPublicInner", MethodType.methodType(int.class, int.class, int.class));
    PackageExamples y = new PackageExamples();
    mh2 = mh2.bindTo(y.new CrossPackageInnerClass());
    CrossPackageSingleMethodInterfaceExample interfaceInstanceCrossPackage = MethodHandleProxies.asInterfaceInstance(CrossPackageSingleMethodInterfaceExample.class, mh2);
    MethodHandle retrievedTarget2 = MethodHandleProxies.wrapperInstanceTarget(interfaceInstanceCrossPackage);
    AssertJUnit.assertEquals(4, retrievedTarget2.invoke(1, 3));
}

Example 44 with PackageExamples

use of examples.PackageExamples in project openj9 by eclipse.

the class HelperConstructorClass method test_asVarargsCollector_CrossPackage_Virtual_WrongType_nonArrayTarget.

/**
 * Negative test : asVarargsCollector test using wrong method type and virtual method living in a class of a different package
 * @throws Throwable
 */
@Test(expectedExceptions = IllegalArgumentException.class, groups = { "level.extended" })
public void test_asVarargsCollector_CrossPackage_Virtual_WrongType_nonArrayTarget() throws Throwable {
    MethodHandle mh = MethodHandles.lookup().findVirtual(PackageExamples.class, "addPublic", MethodType.methodType(int.class, int.class, int.class));
    PackageExamples g = new PackageExamples();
    mh = mh.bindTo(g);
    mh = mh.asVarargsCollector(int[].class);
    Assert.fail("The test case failed to throw an IllegalArgumentException in the case of the wrong method type");
}

Example 45 with PackageExamples

use of examples.PackageExamples in project openj9 by eclipse.

the class HelperConstructorClass method test_asSpreader_CrossPackage_Virtual.

/**
 * Basic asSpreader test using cross package virtual method
 * @throws Throwable
 */
@Test(groups = { "level.extended" })
public void test_asSpreader_CrossPackage_Virtual() throws Throwable {
    MethodHandle mh = MethodHandles.lookup().findVirtual(PackageExamples.class, "addPublic", MethodType.methodType(int.class, int.class, int.class));
    PackageExamples g = new PackageExamples();
    mh = mh.bindTo(g);
    mh = mh.asSpreader(int[].class, 2);
    Assert.assertEquals(mh.type(), MethodType.methodType(int.class, int[].class));
    Assert.assertEquals((int) mh.invokeExact(new int[] { 3, 2 }), 5);
}