| 10 | #include "fl/math/math.h" |
| 11 | |
| 12 | FL_TEST_FILE(FL_FILEPATH) { |
| 13 | |
| 14 | |
| 15 | |
| 16 | FL_TEST_CASE("Transform16::ToBounds(max_value)") { |
| 17 | // fl::Transform16 tx = fl::Transform16::ToBounds(255); |
| 18 | |
| 19 | FL_SUBCASE("Check bounds at 128") { |
| 20 | // known bad at i == 128 |
| 21 | fl::Transform16 tx = fl::Transform16::ToBounds(255); |
| 22 | fl::alpha16 i16 = fl::map8_to_16(128); |
| 23 | fl::vec2<fl::alpha16> xy_input = fl::vec2<fl::alpha16>(i16, i16); |
| 24 | fl::vec2<fl::alpha16> xy = tx.transform(xy_input); |
| 25 | FL_DINFO("i = " << 128); |
| 26 | FL_REQUIRE_EQ(128, (uint16_t)xy.x); |
| 27 | FL_REQUIRE_EQ(128, (uint16_t)xy.y); |
| 28 | } |
| 29 | |
| 30 | FL_SUBCASE("Check identity from 8 -> 16") { |
| 31 | fl::Transform16 tx = fl::Transform16::ToBounds(255); |
| 32 | for (uint16_t i = 0; i < 256; i++) { |
| 33 | fl::alpha16 i16 = fl::map8_to_16(i); |
| 34 | fl::vec2<fl::alpha16> xy_input = fl::vec2<fl::alpha16>(i16, i16); |
| 35 | fl::vec2<fl::alpha16> xy = tx.transform(xy_input); |
| 36 | FL_DINFO("i = " << i); |
| 37 | FL_REQUIRE_EQ(i, (uint16_t)xy.x); |
| 38 | FL_REQUIRE_EQ(i, (uint16_t)xy.y); |
| 39 | } |
| 40 | } |
| 41 | |
| 42 | FL_SUBCASE("Check all bounds are in 255") { |
| 43 | fl::Transform16 tx = fl::Transform16::ToBounds(255); |
| 44 | uint32_t smallest = ~0; |
| 45 | uint32_t largest = 0; |
| 46 | for (uint16_t i = 0; i < 256; i++) { |
| 47 | fl::alpha16 i16 = fl::map8_to_16(i); |
| 48 | fl::vec2<fl::alpha16> xy_input = fl::vec2<fl::alpha16>(i16, i16); |
| 49 | fl::vec2<fl::alpha16> xy = tx.transform(xy_input); |
| 50 | FL_DINFO("i = " << i); |
| 51 | FL_REQUIRE_LE((uint16_t)xy.x, 255); |
| 52 | FL_REQUIRE_LE((uint16_t)xy.y, 255); |
| 53 | smallest = fl::min(smallest, (uint32_t)(uint16_t)xy.x); |
| 54 | largest = fl::max(largest, (uint32_t)(uint16_t)xy.x); |
| 55 | } |
| 56 | |
| 57 | FL_REQUIRE_EQ(0, smallest); |
| 58 | FL_REQUIRE_EQ(255, largest); |
| 59 | } |
| 60 | } |
| 61 | |
| 62 | FL_TEST_CASE("Transform16::ToBounds(min, max)") { |
| 63 | FL_SUBCASE("Check bounds at 128") { |
| 64 | fl::alpha16 low = 127; |
| 65 | fl::alpha16 high = 255 + 127; |
| 66 | fl::vec2<fl::alpha16> min = fl::vec2<fl::alpha16>(low, low); |
| 67 | fl::vec2<fl::alpha16> max = fl::vec2<fl::alpha16>(high, high); |
| 68 | fl::Transform16 tx = fl::Transform16::ToBounds(min, max); |
| 69 | auto t1 = tx.transform(fl::vec2<fl::alpha16>(0, 0)); |
nothing calls this directly
no test coverage detected