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package com.oracle.truffle.llvm.tests;

import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.stream.Collectors;

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.tests.options.TestOptions;

@RunWith(Parameterized.class)
public final class CallbackTest extends BaseSulongOnlyHarness {

    private static final String OTHER_DIR = Paths.get(TestOptions.TEST_SUITE_PATH, "..", "tests", "other").toString();
    private static final String testSuffix = "O1.bc";

    @Parameter(value = 0) public Path path;
    @Parameter(value = 1) public RunConfiguration configuration;
    @Parameter(value = 2) public String name;

    @Parameters(name = "{2}")
    public static Collection<Object[]> data() {

        final Map<Path, RunConfiguration> runs = new HashMap<>();
        runs.put(Paths.get(OTHER_DIR, "callbackTest002.c.dir", testSuffix),
                        new RunConfiguration(14, null));
        runs.put(Paths.get(OTHER_DIR, "callbackTest003.c.dir", testSuffix),
                        new RunConfiguration(42, null));
        runs.put(Paths.get(OTHER_DIR, "callbackTest004.c.dir", testSuffix),
                        new RunConfiguration(42, null));
        runs.put(Paths.get(OTHER_DIR, "callbackTest005.c.dir", testSuffix),
                        new RunConfiguration(42, null));
        runs.put(Paths.get(OTHER_DIR, "callbackTest006.c.dir", testSuffix),
                        new RunConfiguration(0, null));
        runs.put(Paths.get(OTHER_DIR, "callbackTest008.c.dir", testSuffix),
                        new RunConfiguration(0, null));
        runs.put(Paths.get(OTHER_DIR, "callbackTest007.c.dir", testSuffix),
                        new RunConfiguration(0, null));
        runs.put(Paths.get(OTHER_DIR, "callbackIntrinsic.c.dir", testSuffix),
                        new RunConfiguration(0, "calling f64 callback\n-0.416147\n"));
        runs.put(Paths.get(OTHER_DIR, "returnNativeCallback.c.dir", testSuffix),
                        new RunConfiguration(10, null));
        runs.put(Paths.get(OTHER_DIR, "nativeCallbackInStruct.c.dir", testSuffix),
                        new RunConfiguration(42, null));
        runs.put(Paths.get(OTHER_DIR, "callbackCast.c.dir", testSuffix),
                        new RunConfiguration(0, "126\n"));

        return runs.keySet().stream().map(k -> new Object[]{k, runs.get(k), k.getFileName().toString()}).collect(Collectors.toList());
    }

    @Override
    public Path getPath() {
        return path;
    }

    @Override
    public RunConfiguration getConfiguration() {
        return configuration;
    }

    @Override
    protected Map<String, String> getContextOptions() {
        Map<String, String> map = new HashMap<>();
        String lib = System.getProperty("test.sulongtest.lib");
        map.put("llvm.libraries", lib);
        return map;
    }
}