2a8ebc4906
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
81 lines
3.2 KiB
C++
81 lines
3.2 KiB
C++
#include <gtest/gtest.h>
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#include <optional>
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#include <string>
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#include <mln/util/color.hpp>
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using namespace mln;
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void logUnexpectedValidResult(const std::string& input, const Color& color) {
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std::cerr << "Unexpected valid result for input: " << input << "\n";
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std::cerr << "Parsed Color: r = " << color.r << ", g = " << color.g << ", b = " << color.b << ", a = " << color.a
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<< "\n";
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}
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const std::map<std::string, std::optional<Color>> testCases = {
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// Valid inputs
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{"#000000", Color(0.0f, 0.0f, 0.0f, 1.0f)},
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{"#FFFFFF", Color(1.0f, 1.0f, 1.0f, 1.0f)},
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{"#FF0000", Color(1.0f, 0.0f, 0.0f, 1.0f)},
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{"rgba(255, 0, 0, 1.0)", Color(1.0f, 0.0f, 0.0f, 1.0f)},
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{"rgb(0, 255, 0)", Color(0.0f, 1.0f, 0.0f, 1.0f)},
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{"blue", Color::blue()},
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{"red", Color::red()},
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{"rgba(0, 0, 0, 0)", Color(0.0f, 0.0f, 0.0f, 0.0f)},
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{"#123", Color(0.067f, 0.133f, 0.2f, 1.0f)}, // Short hex format
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{"rgb(-10, 0, 0)", Color(0.0f, 0.0f, 0.0f, 1.0f)}, // Clamped to 0
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{"rgba(300, 0, 0, 1.0)", Color(1.0f, 0.0f, 0.0f, 1.0f)}, // Clamped to 1
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{"rgba(100,100,100,0.2)", Color(20.0f / 255, 20.0f / 255, 20.0f / 255, 0.2f)},
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{"hsl(120,100%,25%)", Color(0.0f, 0.5f, 0.0f, 1.0f)},
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{"hsl(240,0%,55%,0.2)", Color(0.11f, 0.11f, 0.11f, 0.2f)},
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// 4-digit hex with alpha (#RGBA)
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{"#0F0F", Color(0.0f, 1.0f, 0.0f, 1.0f)},
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{"#F00C", Color(0.8f, 0.0f, 0.0f, 0.8f)}, // Red with ~80% alpha
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{"#123F", Color(0.067f, 0.133f, 0.2f, 1.0f)}, // Same as #123 but with full alpha
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// 8-digit hex with alpha (#RRGGBBAA)
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{"#FF0000FF", Color(1.0f, 0.0f, 0.0f, 1.0f)}, // Red with full alpha
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{"#00FF0080", Color(0.0f, 0.5f, 0.0f, 0.5f)}, // Green with 50% alpha
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{"#0000FF00", Color(0.0f, 0.0f, 0.0f, 0.0f)}, // Blue with 0% alpha (transparent)
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// Invalid inputs
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{"not-a-color", std::nullopt},
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{"", std::nullopt},
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{"hsl(120,100%)", std::nullopt},
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{"hsl(120,100%,50%,1,0)", std::nullopt},
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{"hsla(120,100%,50%)", std::nullopt},
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};
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TEST(ColorParse, AllCases) {
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constexpr float absError = 0.02f;
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for (const auto& [input, expectedResult] : testCases) {
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auto result = Color::parse(input);
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if (expectedResult.has_value()) {
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// Valid case: Check the values
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ASSERT_TRUE(result.has_value());
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EXPECT_NEAR(result->r, expectedResult->r, absError);
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EXPECT_NEAR(result->g, expectedResult->g, absError);
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EXPECT_NEAR(result->b, expectedResult->b, absError);
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EXPECT_NEAR(result->a, expectedResult->a, absError);
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} else {
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// Invalid case: Ensure no value is returned
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if (result.has_value()) {
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logUnexpectedValidResult(input, *result);
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}
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EXPECT_FALSE(result.has_value());
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}
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}
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}
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TEST(ColorParse, HSLWithAlphaMatchesHSLA) {
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const auto hsl = Color::parse("hsl(114,55%,73%,0.8)");
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const auto hsla = Color::parse("hsla(114,55%,73%,0.8)");
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ASSERT_TRUE(hsl.has_value());
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ASSERT_TRUE(hsla.has_value());
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EXPECT_FLOAT_EQ(hsl->r, hsla->r);
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EXPECT_FLOAT_EQ(hsl->g, hsla->g);
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EXPECT_FLOAT_EQ(hsl->b, hsla->b);
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EXPECT_FLOAT_EQ(hsl->a, hsla->a);
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}
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