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package org.eclipse.viatra.solver.data.map.tests.fuzz;
import static org.junit.jupiter.api.Assertions.fail;
import java.util.Random;
import java.util.stream.Stream;
import org.eclipse.viatra.solver.data.map.ContinousHashProvider;
import org.eclipse.viatra.solver.data.map.VersionedMapStore;
import org.eclipse.viatra.solver.data.map.VersionedMapStoreImpl;
import org.eclipse.viatra.solver.data.map.internal.VersionedMapImpl;
import org.eclipse.viatra.solver.data.map.tests.fuzz.utils.FuzzTestUtils;
import org.eclipse.viatra.solver.data.map.tests.utils.MapTestEnvironment;
import org.junit.jupiter.api.Tag;
import org.junit.jupiter.api.Timeout;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.Arguments;
import org.junit.jupiter.params.provider.MethodSource;
class MutableFuzzTest {
private void runFuzzTest(String scenario, int seed, int steps, int maxKey, int maxValue, boolean evilHash) {
String[] values = MapTestEnvironment.prepareValues(maxValue);
ContinousHashProvider<Integer> chp = MapTestEnvironment.prepareHashProvider(evilHash);
VersionedMapStore<Integer, String> store = new VersionedMapStoreImpl<Integer, String>(chp, values[0]);
VersionedMapImpl<Integer, String> sut = (VersionedMapImpl<Integer, String>) store.createMap();
MapTestEnvironment<Integer, String> e = new MapTestEnvironment<Integer, String>(sut);
Random r = new Random(seed);
iterativeRandomPuts(scenario, steps, maxKey, values, e, r);
}
private void iterativeRandomPuts(String scenario, int steps, int maxKey, String[] values,
MapTestEnvironment<Integer, String> e, Random r) {
int stopAt = -1;
for (int i = 0; i < steps; i++) {
int index = i + 1;
int nextKey = r.nextInt(maxKey);
String nextValue = values[r.nextInt(values.length)];
if (index == stopAt) {
System.out.println("issue!");
System.out.println("State before:");
e.printComparison();
e.sut.prettyPrint();
System.out.println("Next: put(" + nextKey + "," + nextValue + ")");
}
try {
e.put(nextKey, nextValue);
if (index == stopAt) {
e.sut.prettyPrint();
}
e.checkEquivalence(scenario + ":" + index);
} catch (Exception exception) {
exception.printStackTrace();
fail(scenario + ":" + index + ": exception happened: " + exception);
}
MapTestEnvironment.printStatus(scenario, index, steps, null);
}
}
@ParameterizedTest(name = "Mutable {index}/{0} Steps={1} Keys={2} Values={3} seed={4} evil-hash={5}")
@MethodSource
@Timeout(value = 10)
@Tag("fuzz")
void parametrizedFuzz(int test, int steps, int noKeys, int noValues, int seed, boolean evilHash) {
runFuzzTest(
"MutableS" + steps + "K" + noKeys + "V" + noValues + "s" + seed + "H" + (evilHash ? "Evil" : "Normal"),
seed, steps, noKeys, noValues, evilHash);
}
static Stream<Arguments> parametrizedFuzz() {
return FuzzTestUtils.permutationWithSize(new Object[] { FuzzTestUtils.FAST_STEP_COUNT },
new Object[] { 3, 32, 32 * 32, 32 * 32 * 32 * 32 }, new Object[] { 2, 3 }, new Object[] { 1, 2, 3 },
new Object[] { false, true });
}
@ParameterizedTest(name = "Mutable {index}/{0} Steps={1} Keys={2} Values={3} seed={4} evil-hash={5}")
@MethodSource
@Tag("fuzz")
@Tag("slow")
void parametrizedSlowFuzz(int test, int steps, int noKeys, int noValues, int seed, boolean evilHash) {
runFuzzTest(
"MutableS" + steps + "K" + noKeys + "V" + noValues + "s" + seed + "H" + (evilHash ? "Evil" : "Normal"),
seed, steps, noKeys, noValues, evilHash);
}
static Stream<Arguments> parametrizedSlowFuzz() {
return FuzzTestUtils.changeStepCount(parametrizedFuzz(), 1);
}
}
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