// Verify little-endian encoding
        assertEquals((byte) 0xA1, encoded[0], "First byte of first character");
        assertEquals((byte) 0x00, encoded[1], "Second byte of first character");
        assertEquals((byte) 0xA2, encoded[2], "First byte of second character");
        assertEquals((byte) 0x00, encoded[3], "Second byte of second character");
    }

    @Test

        return header.previous;
    }

    /**
     * Removes the first element.
     *
     * @return the first element
     */
    public E removeFirst() {
        if (isEmpty()) {
            throw new NoSuchElementException();
        }
        final E first = header.next.element;
        header.next.remove();
        return first;
    }

    /**
     * Removes the last element.
     *

        assertTrue(it.hasNext());
        FileEntry e2 = it.next();

        // Assert
        assertNotNull(e1);
        assertNotNull(e2);
        assertEquals("first", e1.getName());
        assertEquals(acceptedName, e2.getName(), "Should return the first name accepted by filter");

        // Verify filter interactions: not called for '.' and '..', called for others
        verify(nameFilter, never()).accept(parent, ".");

		t.Fatalf("OpUpdate has-many failed: %v", err)
	}
	var got1, got2 User
	if err := DB.Preload("Pets").First(&got1, u1.ID).Error; err != nil {
		t.Fatalf("load u1: %v", err)
	}
	if err := DB.Preload("Pets").First(&got2, u2.ID).Error; err != nil {
		t.Fatalf("load u2: %v", err)
	}
	if len(got1.Pets) != 1 || got1.Pets[0].Name != "x" {

	}

	if yasuo.ID == "" {
		t.Fatal("should be able to has ID, but got zero value")
	}

	var result Yasuo
	if err := DB.First(&result, "id = ?", yasuo.ID).Error; err != nil || yasuo.Name != "jinzhu" {
		t.Errorf("No error should happen, but got %v", err)
	}

	if err := DB.Where("id = $1", yasuo.ID).First(&Yasuo{}).Error; err != nil || yasuo.Name != "jinzhu" {
		t.Errorf("No error should happen, but got %v", err)
	}

    if token is None:
        return {"msg": "Create an account first"}
    return {"token": token}


client = TestClient(app)


def test_no_token():
    response = client.get("/items")
    assert response.status_code == 200, response.text
    assert response.json() == {"msg": "Create an account first"}


def test_token():

   * will remember the first duplicate key we encountered. All later calls to buildOrThrow() can
   * mention that key with its values. Further duplicates might be added in the meantime but since
   * builders only ever accumulate entries it will always be valid to throw from buildOrThrow() with
   * the first duplicate.
   */

	if err := DB.Create(&users).Error; err != nil {
		t.Fatalf("errors happened when create users: %v", err)
	}

	t.Run("First", func(t *testing.T) {
		var first User
		if err := DB.Where("name = ?", "find").First(&first).Error; err != nil {
			t.Errorf("errors happened when query first: %v", err)
		} else {
			CheckUser(t, first, users[0])
		}
	})

	t.Run("Last", func(t *testing.T) {
		var last User

        // Should alternate between channels
        ChannelInfo first = loadBalancer.selectChannel(mockMessage);
        ChannelInfo second = loadBalancer.selectChannel(mockMessage);

        assertNotNull(first);
        assertNotNull(second);
        // Due to round-robin, should get different channels or same order
        assertTrue(Arrays.asList(channel1, channel2).contains(first));

// string ends with a NUL character. Thus, all n bytes are available for output.
//
// If operating in binary mode, this assumes strict GNU binary mode; which means
// that the first byte can only be either 0x80 or 0xff. Thus, the first byte is
// equivalent to the sign bit in two's complement form.
func fitsInBase256(n int, x int64) bool {
	binBits := uint(n-1) * 8
	return n >= 9 || (x >= -1<<binBits && x < 1<<binBits)
}