radio/src/tests/colorlcd.cpp

   1 /*
   2  * Copyright (C) OpenTX
   3  *
   4  * Based on code named
   5  *   th9x - http://code.google.com/p/th9x
   6  *   er9x - http://code.google.com/p/er9x
   7  *   gruvin9x - http://code.google.com/p/gruvin9x
   8  *
   9  * License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License version 2 as
  13  * published by the Free Software Foundation.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  */
  20
  21 #include "gtests.h"
  22
  23 #if defined(COLORLCD)
  24
  25 #include "colors.h"
  26
  27 TEST(color, RGB)
  28 {
  29   // test conversion from RGB to RGB565 (5 bits for R, 6 bits for G, 5 bits for B)
  30   EXPECT_EQ(RGB(0, 0, 0), (uint16_t)0x0000);
  31   EXPECT_EQ(RGB(255, 255, 255), (uint16_t)0xFFFF);
  32
  33   EXPECT_EQ(RGB(255, 0, 0), (uint16_t)0xF800);
  34   EXPECT_EQ(RGB(0, 255, 0), (uint16_t)0x07E0);
  35   EXPECT_EQ(RGB(0, 0, 255), (uint16_t)0x001F);
  36
  37   EXPECT_EQ(RGB(30, 40, 150), (uint16_t)0x1952);
  38 }
  39
  40 TEST(color, ARGB)
  41 {
  42   // test conversion from RGB to ARGB4444 (4 bits for alpha, 4 bits for R, 4 bits for G, 4 bits for B)
  43   EXPECT_EQ(ARGB(0, 0, 0, 0), (uint16_t)0x0000);
  44   EXPECT_EQ(ARGB(255, 255, 255, 255), (uint16_t)0xFFFF);
  45
  46   EXPECT_EQ(ARGB(255, 0, 0, 0), (uint16_t)0xF000);
  47   EXPECT_EQ(ARGB(0, 255, 0, 0), (uint16_t)0x0F00);
  48   EXPECT_EQ(ARGB(0, 0, 255, 0), (uint16_t)0x00F0);
  49   EXPECT_EQ(ARGB(0, 0, 0, 255), (uint16_t)0x000F);
  50
  51   EXPECT_EQ(ARGB(128, 30, 40, 150), (uint16_t)0x8129);
  52 }
  53
  54 #endif