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package com.oracle.truffle.llvm.test;

import static org.junit.Assert.assertEquals;

import java.io.File;
import java.io.IOException;
import java.nio.file.Path;

import org.junit.Test;

import com.oracle.truffle.api.source.Source;
import com.oracle.truffle.api.vm.PolyglotEngine;
import com.oracle.truffle.api.vm.PolyglotEngine.Value;
import com.oracle.truffle.llvm.runtime.options.LLVMOptions;

public class TestPolyglotEngine {

    private static final Path PATH = new File(LLVMOptions.ENGINE.projectRoot() + "/../tests/polyglot/").toPath();

    @Test
    public void testExecute() throws IOException {
        final PolyglotEngine engine = PolyglotEngine.newBuilder().build();
        try {
            engine.eval(Source.newBuilder(new File(PATH.toFile(), "1.bc")).build());
        } finally {
            engine.dispose();
        }
    }

    @Test
    public void testExecuteFunction() throws IOException {
        final PolyglotEngine engine = PolyglotEngine.newBuilder().build();
        try {
            engine.eval(Source.newBuilder(new File(PATH.toFile(), "i32ret.bc")).build());
            final Value main = engine.findGlobalSymbol("@main");
            assertEquals(5, (int) main.execute().as(Integer.class));
        } finally {
            engine.dispose();
        }
    }

}