}
		} else {
			os.Unsetenv(test.key)
		}

		t.Run(test.name, func(t *testing.T) {
			t.Setenv(test.key, test.newValue)
			if os.Getenv(test.key) != test.newValue {
				t.Fatalf("unexpected value after t.Setenv: got %s, want %s", os.Getenv(test.key), test.newValue)
			}
		})

		got, exists := os.LookupEnv(test.key)
		if got != test.initialValue {

			SetCookie(w, &Cookie{Name: "Cookie3", Value: "NewValue3", Path: "/"}) // Modify cookie in Header
			SetCookie(w, &Cookie{Name: "Cookie4", Value: "NewValue4", Path: "/"}) // Modify cookie in Jar
			Redirect(w, r, "/", StatusFound)
		case "2":
			want = map[string][]string{
				"Cookie1": {"OldValue1a", "OldValue1b"},
				"Cookie3": {"NewValue3"},
				"Cookie4": {"NewValue4"},
				"Cycle":   {"2"},
			}

      std::vector<Eigen::half> new_values;
      DenseFPElementsAttr value_attr =
          mlir::cast<DenseFPElementsAttr>(op.getValue());
      new_values.reserve(value_attr.getNumElements());

      constexpr float kMaxFloat16Value = 65504.f;
      constexpr float kMinFloat16Value = -65504.f;

      for (auto value : value_attr.template getValues<float>()) {
        new_values.push_back(Eigen::half(

      }
    }

    @Override
    void putThread(Waiter waiter, Thread newValue) {
      UNSAFE.putObject(waiter, WAITER_THREAD_OFFSET, newValue);
    }

    @Override
    void putNext(Waiter waiter, @CheckForNull Waiter newValue) {
      UNSAFE.putObject(waiter, WAITER_NEXT_OFFSET, newValue);
    }

    /** Performs a CAS operation on the {@link #waiters} field. */
    @Override

      }
    }

    @Override
    void putThread(Waiter waiter, Thread newValue) {
      UNSAFE.putObject(waiter, WAITER_THREAD_OFFSET, newValue);
    }

    @Override
    void putNext(Waiter waiter, @CheckForNull Waiter newValue) {
      UNSAFE.putObject(waiter, WAITER_NEXT_OFFSET, newValue);
    }

    /** Performs a CAS operation on the {@link #waiters} field. */
    @Override

	// the first one we make around, we can avoid generating
	// more than one per racing thread.
	var (
		toInsert     *T // Keep this around to keep it alive.
		toInsertWeak weak.Pointer[T]
	)
	newValue := func() weak.Pointer[T] {
		if toInsert == nil {
			toInsert = new(T)
			*toInsert = clone(value, &m.cloneSeq)
			toInsertWeak = weak.Make(toInsert)
		}
		return toInsertWeak
	}
	var ptr *T
	for {

        outputContains("execution value = someValue")

        when:
        configurationCacheRun("${setterSwitch}property=newValue")

        then:
        configurationCache.assertStateStored()
        outputContains("configuration value = newValue")
        outputContains("execution value = newValue")

        where:
        providerType     | setterSwitch
        "systemProperty" | "-D"
        "gradleProperty" | "-P"

    T update(Function<T, T> updateFunction);

    /**
     * Sets the current value.
     *
     * <p>The calling thread must own the mutable state from which the value is calculated.</p>
     */
    void set(T newValue);

        when:
        run "someTask"

        then:
        skipped(":someTask")
    }

    def "task is out of date when property type changes #oldValue -> #newValue"() {
        buildFile << """
task someTask {
    inputs.property("a", $oldValue).optional(true)
    outputs.file "out"
    doLast ${Actions.name}.doNothing() // attach an action that is not defined by the build script

		newValue:       nil,
		expectError:    true, // populated by defaulting and required when feature is enabled
	}, {
		name:           "feature disabled, nil->nil",
		featureEnabled: false,
		oldValue:       nil,
		newValue:       nil,
		expectError:    false,
	}, {
		name:           "feature disabled, nil->set",
		featureEnabled: false,
		oldValue:       nil,