test/nashorn/src/jdk/nashorn/internal/runtime/test/JDK_8186807_Test.java

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package jdk.nashorn.internal.runtime.test;

import jdk.nashorn.api.scripting.AbstractJSObject;
import jdk.nashorn.api.scripting.NashornScriptEngine;
import jdk.nashorn.api.scripting.NashornScriptEngineFactory;
import jdk.nashorn.api.scripting.ScriptObjectMirror;
import static org.testng.Assert.assertEquals;
import org.testng.annotations.Test;
import javax.script.ScriptException;


/**
 * @test
 * @bug 8186807
 * @summary JSObject gets ScriptFunction when ScriptObjectMirror is expected
 * @modules jdk.scripting.nashorn/jdk.nashorn.internal.runtime
 * @run testng/othervm -Dnashorn.unstable.relink.threshold=1 jdk.nashorn.internal.runtime.test.JDK_8186807_Test
 */

public class JDK_8186807_Test {

    @Test
    public void testScript() throws ScriptException {
        NashornScriptEngine engine = (NashornScriptEngine) new NashornScriptEngineFactory().getScriptEngine();
        engine.put("a", new Func());
        engine.eval("var Assert = Java.type('org.testng.Assert')\n" +
                "var fn=function() {return 2;}\n" +
                "var arr = [ a, fn, a ];\n" +
                "var result;\n" +
                "for (i in arr) {\n" +
                "    result = Function.prototype.apply.apply(arr[i],[null,[fn]]);\n" +
                "    if(i==0 || i==2)\n" +
                "        Assert.assertTrue(result==1);\n" +
                "    if(i==1)\n" +
                "        Assert.assertTrue(result==2);\n" +
                "}");
    }

    static class Func extends AbstractJSObject {
        @Override
        public boolean isFunction() {
            return true;
        }

        @Override
        public Object call(Object thiz, Object... args) {
            assertEquals(args[0].getClass(), ScriptObjectMirror.class);
            return 1;
        }
    }
}