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package org.graalvm.compiler.jtt.bytecode;

import org.junit.Test;

import org.graalvm.compiler.core.phases.HighTier;
import org.graalvm.compiler.jtt.JTTTest;
import org.graalvm.compiler.options.OptionValues;
import org.graalvm.compiler.phases.tiers.Suites;

Tests the instanceof works, when casting an array of interface.
/** * Tests the instanceof works, when casting an array of interface. */
public class BC_instanceof01 extends JTTTest { public interface IObject { } public interface IDerivedObject extends IObject { } private static class BaseClass { } private static class TestClass extends BaseClass implements IObject { } private static class DerivedTestClass extends BaseClass implements IDerivedObject { } static TestClass[] a1 = {new TestClass()}; static DerivedTestClass[] a2 = {new DerivedTestClass()}; public static BaseClass[] getBaseClassArray() { return a1; } public static BaseClass[] getDerivedBaseClassArray() { return a2; } public static boolean test() { return getBaseClassArray() instanceof IObject[]; } public static int testConditionalElimination() { BaseClass[] result = getDerivedBaseClassArray(); if (result instanceof IDerivedObject[]) { if (result instanceof IObject[]) { return 1; } else { return 2; } } else { return 3; } } @Test public void run0() throws Throwable { runTest("test"); } @Override @SuppressWarnings("try") protected Suites createSuites(OptionValues options) { return super.createSuites(new OptionValues(options, HighTier.Options.Inline, false)); } @Test public void run1() throws Throwable { runTest("testConditionalElimination"); } }