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 * 1. Redistributions of source code must retain the above copyright notice, this list of
 * conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of
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 * 3. Neither the name of the copyright holder nor the names of its contributors may be used to
 * endorse or promote products derived from this software without specific prior written
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
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package com.oracle.truffle.llvm.test.alpha;

import java.nio.file.Path;

import org.junit.Assert;
import org.junit.Test;

import com.oracle.truffle.llvm.Sulong;
import com.oracle.truffle.llvm.pipe.CaptureOutput;

public abstract class BaseSulongOnlyHarness {

    @Test
    public void test() throws Exception {
        int sulongResult = -1;
        String sulongStdOut;
        try (CaptureOutput out = new CaptureOutput()) {
            sulongResult = Sulong.executeMain(getPath().toAbsolutePath().toFile(), getConfiguration().args);
            System.out.flush();
            sulongStdOut = out.getResult();
        }

        if (sulongResult != (sulongResult & 0xFF)) {
            Assert.fail("Broken unittest " + getPath() + ". Test exits with invalid value (" + sulongResult + ").");
        }
        String testName = getPath().getFileName().toString();
        Assert.assertEquals(testName + " failed. Posix return value missmatch.", getConfiguration().expectedPosixReturn,
                        sulongResult);
        if (getConfiguration().expectedOutput != null) {
            Assert.assertEquals(testName + " failed. Output (stdout) missmatch.", getConfiguration().expectedOutput,
                            sulongStdOut);
        }
    }

    public abstract Path getPath();

    public abstract RunConfiguration getConfiguration();

    static final class RunConfiguration {
        private final int expectedPosixReturn;
        private final String expectedOutput;
        private final Object[] args;

        RunConfiguration(int expectedPosixReturn, String expectedOutput, Object... args) {
            this.expectedPosixReturn = expectedPosixReturn;
            this.expectedOutput = expectedOutput;
            this.args = args;
        }
    }

}