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Merge pull request #409 from parsingdata/#408_auto_equality_multiple_…
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…constructors

Test all constructors that do not contain generics in AutoEqualityTest.
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@mvanaken
mvanaken authored Feb 8, 2024
2 parents ddf0add + 6cc8d51 commit 5112d2b
Showing 1 changed file with 32 additions and 22 deletions.
54 changes: 32 additions & 22 deletions core/src/test/java/io/parsingdata/metal/AutoEqualityTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -52,8 +52,9 @@
import java.lang.reflect.Modifier;
import java.math.BigInteger;
import java.net.URL;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
Expand Down Expand Up @@ -202,7 +203,7 @@ public class AutoEqualityTest {

private static final List<Supplier<Object>> STRINGS = List.of(() -> "a", () -> "b");
private static final List<Supplier<Object>> STRING_ARRAYS = List.of(() -> new String[] {"a"}, () -> new String[] {"b"}, () -> new String[] {"a", "b"}, () -> new String[] {"b", "c"}, () -> new String[] {"a", "b", "c"});
private static final List<Supplier<Object>> ENCODINGS = List.of(EncodingFactory::enc, EncodingFactory::signed, EncodingFactory::le, () -> new Encoding(Charset.forName("UTF-8")));
private static final List<Supplier<Object>> ENCODINGS = List.of(EncodingFactory::enc, EncodingFactory::signed, EncodingFactory::le, () -> new Encoding(StandardCharsets.UTF_8));
private static final List<Supplier<Object>> TOKENS = List.of(() -> any("a"), () -> any("b"));
private static final List<Supplier<Object>> TOKEN_ARRAYS = List.of(() -> new Token[] { any("a"), any("b")}, () -> new Token[] { any("b"), any("c") }, () -> new Token[] { any("a"), any("b"), any("c") });
private static final List<Supplier<Object>> SINGLE_VALUE_EXPRESSIONS = List.of(() -> con(1), () -> con(2));
Expand All @@ -221,10 +222,11 @@ public class AutoEqualityTest {
private static final List<Supplier<Object>> BYTE_STREAMS = List.of(() -> new InMemoryByteStream(new byte[] { 1, 2 }), () -> DUMMY_STREAM);
private static final List<Supplier<Object>> BIG_INTEGERS = List.of(() -> ONE, () -> BigInteger.valueOf(3));
private static final List<Supplier<Object>> PARSE_STATES = List.of(() -> createFromByteStream(DUMMY_STREAM), () -> createFromByteStream(DUMMY_STREAM, ONE), () -> new ParseState(GRAPH_WITH_REFERENCE, NO_CACHE, DUMMY_BYTE_STREAM_SOURCE, TEN, new ImmutableList<>(), new ImmutableList<>()));
private static final List<Supplier<Object>> PARSE_VALUE_CACHES = List.of(() -> NO_CACHE, () -> new ParseValueCache(), () -> new ParseValueCache().add(PARSE_VALUE), () -> new ParseValueCache().add(PARSE_VALUE).add(PARSE_VALUE));
private static final List<Supplier<Object>> PARSE_VALUE_CACHES = List.of(() -> NO_CACHE, ParseValueCache::new, () -> new ParseValueCache().add(PARSE_VALUE), () -> new ParseValueCache().add(PARSE_VALUE).add(PARSE_VALUE));
private static final List<Supplier<Object>> IMMUTABLE_LISTS = List.of(ImmutableList::new, () -> ImmutableList.create("TEST"), () -> ImmutableList.create(1), () -> ImmutableList.create(1).add(2));
private static final List<Supplier<Object>> BOOLEANS = List.of(() -> true, () -> false);
private static final List<Supplier<Object>> BIPREDICATES = List.of(() -> (BiPredicate<Object, Object>) (o, o2) -> false);
private static final List<Supplier<Object>> MAPS = List.of(Map::of, () -> Map.of("1", 1, "2", 2));
private static final Map<Class<?>, List<Supplier<Object>>> mapping = buildMap();

private static Map<Class<?>, List<Supplier<Object>>> buildMap() {
Expand Down Expand Up @@ -254,6 +256,7 @@ private static Map<Class<?>, List<Supplier<Object>>> buildMap() {
result.put(ImmutableList.class, IMMUTABLE_LISTS);
result.put(boolean.class, BOOLEANS);
result.put(BiPredicate.class, BIPREDICATES);
result.put(Map.class, MAPS);
return result;
}

Expand Down Expand Up @@ -313,31 +316,38 @@ private static Class<?> getClass(final String className) {
private static Collection<Arguments> generateObjectArrays(final Set<Class<?>> classes) throws IllegalAccessException, InstantiationException, InvocationTargetException {
Collection<Arguments> results = new ArrayList<>();
for (Class<?> c : classes) {
results.add(generateObjectArrays(c));
results.addAll(generateObjectArrays(c));
}
return results;
}

private static Arguments generateObjectArrays(final Class<?> c) throws IllegalAccessException, InvocationTargetException, InstantiationException {
Constructor<?> cons = c.getDeclaredConstructors()[0];
cons.setAccessible(true);
List<List<Supplier<Object>>> args = new ArrayList<>();
for (Class<?> cl : cons.getParameterTypes()) {
if (!mapping.containsKey(cl)) {
throw new AssertionError("Please add a mapping for type " + cl.getSimpleName());
private static List<Arguments> generateObjectArrays(final Class<?> c) throws IllegalAccessException, InvocationTargetException, InstantiationException {
final List<Arguments> arguments = new ArrayList<>();
for (Constructor<?> cons : c.getDeclaredConstructors()) {
final boolean containsGenericArgument = Arrays.stream(cons.getParameterTypes()).anyMatch(p -> p == Object.class);
if (containsGenericArgument) {
break;
}
args.add(mapping.get(cl));
}
List<List<Supplier<Object>>> argLists = generateCombinations(0, args);
List<Object> otherInstances = new ArrayList<>();
for (List<Supplier<Object>> argList : argLists.subList(1, argLists.size())) {
otherInstances.add(cons.newInstance(instantiate(argList).toArray()));
cons.setAccessible(true);
final List<List<Supplier<Object>>> args = new ArrayList<>();
for (Class<?> cl : cons.getParameterTypes()) {
if (!mapping.containsKey(cl)) {
throw new AssertionError("Please add a mapping for type " + cl.getSimpleName());
}
args.add(mapping.get(cl));
}
final List<List<Supplier<Object>>> argLists = generateCombinations(0, args);
final List<Object> otherInstances = new ArrayList<>();
for (List<Supplier<Object>> argList : argLists.subList(1, argLists.size())) {
otherInstances.add(cons.newInstance(instantiate(argList).toArray()));
}
arguments.add(Arguments.arguments(
cons.newInstance(instantiate(argLists.get(0)).toArray()),
cons.newInstance(instantiate(argLists.get(0)).toArray()),
otherInstances.toArray()
));
}
return Arguments.arguments(
cons.newInstance(instantiate(argLists.get(0)).toArray()),
cons.newInstance(instantiate(argLists.get(0)).toArray()),
otherInstances.toArray()
);
return arguments;
}

private static List<List<Supplier<Object>>> generateCombinations(final int index, final List<List<Supplier<Object>>> args) {
Expand Down

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