java/debugger.jpda.truffle/test/unit/src/org/netbeans/modules/debugger/jpda/truffle/testapps/SLAppFromFile.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
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package org.netbeans.modules.debugger.jpda.truffle.testapps;

import java.io.ByteArrayOutputStream;
import java.io.File;

import org.graalvm.polyglot.Context;
import org.graalvm.polyglot.Source;
import org.graalvm.polyglot.Value;
import static org.junit.Assert.assertEquals;

public class SLAppFromFile {
    public static void main(String... args) throws Exception {
        ByteArrayOutputStream os = new ByteArrayOutputStream();
        Context context = Context.newBuilder().out(os).build();

        String path = args[0];
        Source src = Source.newBuilder("sl", new File(path)).build();
        
        Value result = context.eval(src); // LBREAKPOINT

        assertEquals("Expected result", 42L, result.asLong());
        assertEquals("Expected output", "42\n", os.toString("UTF-8"));
    }
}