64 lines
2.3 KiB
C++
64 lines
2.3 KiB
C++
#include <gtest/gtest.h>
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#include <optional>
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#include <string>
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#include <mbgl/util/color.hpp>
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using namespace mbgl;
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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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// {"#GGGGGG", Color(0.0f, 0.0f, 0.0f, 1.0f)}, // Treated as fallback black
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// not supported right now
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// {"#0F0F", Color(0.0f, 1.0f, 0.0f, 1.0f)},
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// {"#123F", Color(
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// static_cast<float>(0x1) / (0xF + 1),
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// static_cast<float>(0x2) / (0xF + 1),
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// static_cast<float>(0x3) / (0xF + 1),
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// static_cast<float>(0x4) / (0xF + 1)
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// )},
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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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};
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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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