Update SNESPalette, SNESColor, add tests

test/snes_palette_test.cc

@@ -0,0 +1,41 @@
+#include "app/gfx/snes_palette.h"
+
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+
+namespace yaze_test {
+namespace gfx_test {
+
+TEST(SNESColorTest, ConvertRGBtoSNES) {
+  yaze::app::gfx::snes_color color = {132, 132, 132};
+  uint16_t snes = yaze::app::gfx::ConvertRGBtoSNES(color);
+  ASSERT_EQ(snes, 0x4210);
+}
+
+TEST(SNESColorTest, ConvertSNEStoRGB) {
+  uint16_t snes = 0x4210;
+  yaze::app::gfx::snes_color color = yaze::app::gfx::ConvertSNEStoRGB(snes);
+  ASSERT_EQ(color.red, 132);
+  ASSERT_EQ(color.green, 132);
+  ASSERT_EQ(color.blue, 132);
+}
+
+TEST(SNESPaletteTest, AddColor) {
+  yaze::app::gfx::SNESPalette palette;
+  yaze::app::gfx::SNESColor color;
+  palette.AddColor(color);
+  ASSERT_EQ(palette.size(), 1);
+}
+
+TEST(SNESPaletteTest, GetColorOutOfBounds) {
+  yaze::app::gfx::SNESPalette palette;
+  std::vector<yaze::app::gfx::SNESColor> colors(5);
+  palette.Create(colors);
+
+  // Now try to get a color at an out-of-bounds index
+  ASSERT_THROW(palette.GetColor(10), std::exception);
+  ASSERT_THROW(palette[10], std::exception);
+}
+
+}  // namespace gfx_test
+}  // namespace yaze_test