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test: characterize microblock placement
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package codechicken.microblock;
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import static org.junit.jupiter.api.Assertions.assertArrayEquals;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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import static org.junit.jupiter.api.Assertions.assertNull;
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import static org.junit.jupiter.api.Assertions.assertSame;
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import static org.junit.jupiter.api.Assertions.assertTrue;
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import java.lang.reflect.Constructor;
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import java.lang.reflect.Field;
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import java.lang.reflect.Method;
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import java.lang.reflect.Modifier;
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import java.util.Arrays;
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import java.util.Set;
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import java.util.TreeSet;
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import net.minecraft.entity.player.EntityPlayer;
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import net.minecraft.item.ItemStack;
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import net.minecraft.util.MovingObjectPosition;
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import net.minecraft.world.World;
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import org.junit.jupiter.api.Test;
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import org.objectweb.asm.Type;
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import codechicken.lib.vec.BlockCoord;
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class MicroblockPlacementCharacterizationTest {
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private static final Set<String> EXECUTABLE_METHODS = signatures(
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"consume(Lnet/minecraft/world/World;Lnet/minecraft/entity/player/EntityPlayer;Lnet/minecraft/item/ItemStack;)V",
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"part()Lcodechicken/microblock/Microblock;",
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"place(Lnet/minecraft/world/World;Lnet/minecraft/entity/player/EntityPlayer;Lnet/minecraft/item/ItemStack;)V",
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"pos()Lcodechicken/lib/vec/BlockCoord;");
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private static final Set<String> CONCRETE_METHODS = signatures(
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"consume(Lnet/minecraft/world/World;Lnet/minecraft/entity/player/EntityPlayer;Lnet/minecraft/item/ItemStack;)V",
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"place(Lnet/minecraft/world/World;Lnet/minecraft/entity/player/EntityPlayer;Lnet/minecraft/item/ItemStack;)V");
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private static final Set<String> PROPERTY_METHODS = signatures(
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"customPlacement(Lcodechicken/microblock/MicroblockPlacement;)Lcodechicken/microblock/ExecutablePlacement;",
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"expand(II)Z",
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"microClass()Lcodechicken/microblock/MicroblockClass;",
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"opposite(II)I",
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"placementGrid()Lcodechicken/microblock/PlacementGrid;",
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"sneakOpposite(II)Z");
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private static final Set<String> PLACEMENT_METHODS = signatures(
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"apply()Lcodechicken/microblock/ExecutablePlacement;",
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"checkMaterial()Z",
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"create(III)Lcodechicken/microblock/Microblock;",
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"d()D",
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"doExpand()Z",
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"expand(Lcodechicken/microblock/CommonMicroblock;)Lcodechicken/microblock/ExecutablePlacement;",
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"expand(Lcodechicken/microblock/Microblock;Lcodechicken/microblock/Microblock;)Lcodechicken/microblock/ExecutablePlacement;",
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"externalPlacement(I)Lcodechicken/microblock/ExecutablePlacement;",
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"externalPlacement(Lcodechicken/microblock/Microblock;)Lcodechicken/microblock/ExecutablePlacement;",
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"getHitDepth(Lcodechicken/lib/vec/Vector3;I)D",
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"gtile()Lscala/Tuple2;",
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"hit()Lnet/minecraft/util/MovingObjectPosition;",
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"htile()Lcodechicken/multipart/TileMultipart;",
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"internal()Z",
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"internalPlacement(Lcodechicken/multipart/TileMultipart;I)Lcodechicken/microblock/ExecutablePlacement;",
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"internalPlacement(Lcodechicken/multipart/TileMultipart;Lcodechicken/microblock/Microblock;)Lcodechicken/microblock/ExecutablePlacement;",
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"material()I",
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"mcrClass()Lcodechicken/microblock/MicroblockClass;",
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"oppMod()Z",
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"oslot()I",
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"player()Lnet/minecraft/entity/player/EntityPlayer;",
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"pos()Lcodechicken/lib/vec/BlockCoord;",
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"pp()Lcodechicken/microblock/PlacementProperties;",
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"side()I",
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"size()I",
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"slot()I",
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"useOppMod()Z",
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"vhit()Lcodechicken/lib/vec/Vector3;",
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"world()Lnet/minecraft/world/World;");
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@Test
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void keepsTheSixClassHierarchyAndCallableSurface() throws Exception {
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assertClass(ExecutablePlacement.class, Object.class, true, false, EXECUTABLE_METHODS);
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assertClass(AdditionPlacement.class, ExecutablePlacement.class, false, false, CONCRETE_METHODS);
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assertClass(ExpandingPlacement.class, ExecutablePlacement.class, false, false, CONCRETE_METHODS);
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assertClass(PlacementProperties.class, Object.class, true, false, PROPERTY_METHODS);
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assertClass(MicroblockPlacement.class, Object.class, false, false, PLACEMENT_METHODS);
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assertClass(
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MicroblockPlacement$.class,
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Object.class,
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false,
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true,
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signatures(
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"apply(Lnet/minecraft/entity/player/EntityPlayer;Lnet/minecraft/util/MovingObjectPosition;IIZLcodechicken/microblock/PlacementProperties;)Lcodechicken/microblock/ExecutablePlacement;"));
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assertConstructor(ExecutablePlacement.class, BlockCoord.class, Microblock.class);
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assertConstructor(AdditionPlacement.class, BlockCoord.class, Microblock.class);
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assertConstructor(ExpandingPlacement.class, BlockCoord.class, Microblock.class, Microblock.class);
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assertConstructor(PlacementProperties.class);
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assertConstructor(
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MicroblockPlacement.class,
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EntityPlayer.class,
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MovingObjectPosition.class,
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int.class,
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int.class,
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boolean.class,
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PlacementProperties.class);
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Field module = MicroblockPlacement$.class.getField("MODULE$");
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assertSame(MicroblockPlacement$.class, module.getType());
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assertTrue(Modifier.isStatic(module.getModifiers()));
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assertTrue(Modifier.isFinal(module.getModifiers()));
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assertSame(MicroblockPlacement$.MODULE$, module.get(null));
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}
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@Test
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void keepsTheExactStoredStateShape() throws Exception {
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assertPrivateFinalField(ExecutablePlacement.class, "pos", BlockCoord.class);
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assertPrivateFinalField(ExecutablePlacement.class, "part", Microblock.class);
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assertEquals(0, AdditionPlacement.class.getDeclaredFields().length);
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assertPrivateFinalField(ExpandingPlacement.class, "opart", Microblock.class);
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assertPrivateFinalField(MicroblockPlacement.class, "player", EntityPlayer.class);
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assertPrivateFinalField(MicroblockPlacement.class, "hit", MovingObjectPosition.class);
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assertPrivateFinalField(MicroblockPlacement.class, "size", int.class);
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assertPrivateFinalField(MicroblockPlacement.class, "material", int.class);
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assertPrivateFinalField(MicroblockPlacement.class, "checkMaterial", boolean.class);
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assertPrivateFinalField(MicroblockPlacement.class, "pp", PlacementProperties.class);
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assertPrivateFinalField(MicroblockPlacement.class, "world", World.class);
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assertPrivateFinalField(MicroblockPlacement.class, "mcrClass", MicroblockClass.class);
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assertPrivateFinalField(MicroblockPlacement.class, "pos", BlockCoord.class);
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assertPrivateFinalField(MicroblockPlacement.class, "vhit", codechicken.lib.vec.Vector3.class);
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assertPrivateFinalField(MicroblockPlacement.class, "gtile", scala.Tuple2.class);
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assertPrivateFinalField(MicroblockPlacement.class, "htile", codechicken.multipart.TileMultipart.class);
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assertPrivateFinalField(MicroblockPlacement.class, "slot", int.class);
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assertPrivateFinalField(MicroblockPlacement.class, "oslot", int.class);
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assertPrivateFinalField(MicroblockPlacement.class, "d", double.class);
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assertPrivateFinalField(MicroblockPlacement.class, "useOppMod", boolean.class);
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assertPrivateFinalField(MicroblockPlacement.class, "oppMod", boolean.class);
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assertPrivateFinalField(MicroblockPlacement.class, "internal", boolean.class);
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assertPrivateFinalField(MicroblockPlacement.class, "doExpand", boolean.class);
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assertPrivateFinalField(MicroblockPlacement.class, "side", int.class);
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}
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@Test
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void keepsDefaultPropertiesAndExecutableConsumption() {
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PlacementProperties properties = new PlacementProperties() {
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@Override
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public int opposite(int slot, int side) {
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return slot + side;
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}
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@Override
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public MicroblockClass microClass() {
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return null;
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}
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@Override
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public PlacementGrid placementGrid() {
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return null;
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}
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};
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assertTrue(properties.sneakOpposite(2, 3));
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assertTrue(properties.expand(2, 3));
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assertNull(properties.customPlacement(null));
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BlockCoord pos = new BlockCoord(1, 2, 3);
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AdditionPlacement addition = new AdditionPlacement(pos, null);
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ExpandingPlacement expansion = new ExpandingPlacement(pos, null, null);
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assertSame(pos, addition.pos());
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assertNull(addition.part());
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assertSame(pos, expansion.pos());
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assertNull(expansion.part());
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ItemStack stack = new ItemStack(net.minecraft.init.Items.stick, 4);
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addition.consume(null, null, stack);
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expansion.consume(null, null, stack);
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assertEquals(2, stack.stackSize);
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}
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private static Set<String> signatures(String... signatures) {
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return new TreeSet<>(Arrays.asList(signatures));
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}
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private static void assertClass(Class<?> type, Class<?> superclass, boolean isAbstract, boolean isFinal,
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Set<String> methods) {
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assertTrue(Modifier.isPublic(type.getModifiers()));
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assertEquals(isAbstract, Modifier.isAbstract(type.getModifiers()));
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assertEquals(isFinal, Modifier.isFinal(type.getModifiers()));
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assertSame(superclass, type.getSuperclass());
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assertArrayEquals(new Class<?>[0], type.getInterfaces());
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assertEquals(methods, publicDeclaredMethods(type));
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}
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private static Set<String> publicDeclaredMethods(Class<?> type) {
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Set<String> signatures = new TreeSet<>();
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for (Method method : type.getDeclaredMethods()) {
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if (Modifier.isPublic(method.getModifiers())) {
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signatures.add(method.getName() + Type.getMethodDescriptor(method));
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}
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}
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return signatures;
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}
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private static void assertConstructor(Class<?> type, Class<?>... parameterTypes) throws Exception {
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Constructor<?> constructor = type.getDeclaredConstructor(parameterTypes);
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assertTrue(Modifier.isPublic(constructor.getModifiers()));
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assertEquals(1, type.getDeclaredConstructors().length);
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}
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private static void assertPrivateFinalField(Class<?> owner, String name, Class<?> type) throws Exception {
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Field field = owner.getDeclaredField(name);
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assertSame(type, field.getType());
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assertTrue(Modifier.isPrivate(field.getModifiers()));
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assertTrue(Modifier.isFinal(field.getModifiers()));
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}
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}
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