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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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package com.oracle.truffle.llvm.tests;

import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Collection;
import java.util.stream.Stream;

import org.graalvm.polyglot.Context;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameter;
import org.junit.runners.Parameterized.Parameters;

import com.oracle.truffle.llvm.runtime.LLVMLanguage;
import com.oracle.truffle.llvm.tests.options.TestOptions;

@RunWith(Parameterized.class)
public final class ParserTortureSuite {

    private static final Path GCC_SUITE_DIR = new File(TestOptions.EXTERNAL_TEST_SUITE_PATH).toPath();
    private static final Path GCC_CONFIG_DIR = new File(TestOptions.PROJECT_ROOT + "/../tests/gcc/compileConfigs").toPath();

    @Parameter(value = 0) public Path path;
    @Parameter(value = 1) public String testName;

    @Parameters(name = "{1}")
    public static Collection<Object[]> data() {
        return BaseTestHarness.collectRegularRun(GCC_CONFIG_DIR, GCC_SUITE_DIR);
    }

    @Test
    public void test() throws IOException {
        try (Stream<Path> files = Files.walk(path)) {
            for (Path candidate : (Iterable<Path>) files.filter(BaseTestHarness.isFile).filter(BaseTestHarness.isSulong)::iterator) {

                if (!candidate.toAbsolutePath().toFile().exists()) {
                    throw new AssertionError("File " + candidate.toAbsolutePath().toFile() + " does not exist.");
                }

                try (Context context = Context.newBuilder().option("llvm.lazyParsing", String.valueOf(false)).allowAllAccess(true).build()) {
                    context.eval(org.graalvm.polyglot.Source.newBuilder(LLVMLanguage.ID, candidate.toFile()).build());
                }
            }
        }
    }
}