| 8 | #include "test.h" |
| 9 | |
| 10 | FL_TEST_FILE(FL_FILEPATH) { |
| 11 | |
| 12 | |
| 13 | |
| 14 | FL_TEST_CASE("LUT interp8") { |
| 15 | fl::LUT<uint16_t> lut(2); |
| 16 | uint16_t* data = lut.getDataMutable(); |
| 17 | data[0] = 0; |
| 18 | data[1] = 255; |
| 19 | FL_CHECK_EQ(lut.interp8(0), 0); |
| 20 | FL_CHECK_EQ(lut.interp8(255), 255); |
| 21 | FL_CHECK_EQ(lut.interp8(128), 128); |
| 22 | |
| 23 | // Check the LUT interpolation for all values. |
| 24 | for (uint16_t i = 0; i < 256; i++) { |
| 25 | uint16_t expected = (i * 255) / 255; |
| 26 | FL_CHECK_EQ(lut.interp8(i), expected); |
| 27 | } |
| 28 | } |
| 29 | |
| 30 | FL_TEST_CASE("LUT interp16") { |
| 31 | fl::LUT<uint16_t> lut(2); |
| 32 | uint16_t* data = lut.getDataMutable(); |
| 33 | data[0] = 0; |
| 34 | data[1] = 255; |
| 35 | FL_CHECK_EQ(lut.interp16(0), 0); |
| 36 | FL_CHECK_EQ(lut.interp16(0xffff), 255); |
| 37 | FL_CHECK_EQ(lut.interp16(0xffff / 2), 127); |
| 38 | |
| 39 | // Check the LUT interpolation for all values. |
| 40 | for (int i = 0; i < 256; i++) { |
| 41 | uint16_t alpha16 = fl::map8_to_16(i); |
| 42 | FL_CHECK_EQ(i, lut.interp16(alpha16)); |
| 43 | } |
| 44 | } |
| 45 | |
| 46 | } // FL_TEST_FILE |
nothing calls this directly
no test coverage detected