Added bug to TODO list

engine/src/test/java/experiments/Experiments.java

@@ -0,0 +1,39 @@
+package experiments;
+
+import java.util.concurrent.*;
+import java.util.function.*;
+
+import net.jqwik.api.*;
+import net.jqwik.api.arbitraries.*;
+import net.jqwik.api.constraints.*;
+import net.jqwik.api.providers.*;
+
+public class Experiments {
+
+	@Example
+	void integers() {
+		IntegerArbitrary integers = Arbitraries.integers().withDistribution(RandomDistribution.uniform());
+
+		integers.sampleStream().limit(50).forEach(System.out::println);
+	}
+
+	@Provide
+	Arbitrary<Tuple.Tuple2<String, Supplier<ExecutorService>>> services() {
+		return Arbitraries.of(
+			Tuple.of("newSingleThreadExecutor", () -> Executors.newSingleThreadExecutor()),
+			Tuple.of("newFixedThreadPool", () -> Executors.newFixedThreadPool(2)),
+			Tuple.of("newCachedThreadPool", () -> Executors.newCachedThreadPool()),
+			Tuple.of("newVirtualThreadPerTaskExecutor", () -> Executors.newWorkStealingPool())
+		);
+	}
+
+	@Property
+	void test(@ForAll("services") Tuple.Tuple2<String, Supplier<ExecutorService>> pair) throws Exception {
+		String name = pair.get1();
+		// String service = pair.get2().get().toString();
+		System.out.println("Name: " + name);
+		// System.out.println("Service: " + service);
+	}
+
+}
+

kotlin/src/main/kotlin/experiments/KotlinExperiments.kt

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+package experiments
+
+import net.jqwik.api.*
+import net.jqwik.kotlin.api.any
+import net.jqwik.kotlin.api.combine
+
+class KotlinExperiments {
+
+    @Property(tries = 1000, generation = GenerationMode.RANDOMIZED)
+    fun `filter arbitraries`(@ForAll("combinesOneToThree") tuple: Tuple.Tuple2<Int, Int>) {
+        println(tuple)
+    }
+
+    @Provide
+    fun combinesOneToThree() = combine {
+        val v1 by Int.any()
+        val v2 by Int.any()
+
+        filter { v1 == v2 }
+
+        combineAs {
+            Tuple.of(v1, v2)
+        }
+    }
+
+}