68 lines
2.7 KiB
C++
68 lines
2.7 KiB
C++
#include "assets/image_pixels.h"
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#include "test_harness.h"
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#include <array>
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#include <cstddef>
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#include <cstdint>
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#include <span>
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using pp::assets::decode_png_rgba8;
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using pp::foundation::StatusCode;
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namespace {
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constexpr std::array<std::byte, 68> transparent_png_1x1 {
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std::byte { 0x89 }, std::byte { 0x50 }, std::byte { 0x4e }, std::byte { 0x47 },
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std::byte { 0x0d }, std::byte { 0x0a }, std::byte { 0x1a }, std::byte { 0x0a },
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std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x0d },
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std::byte { 0x49 }, std::byte { 0x48 }, std::byte { 0x44 }, std::byte { 0x52 },
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std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x01 },
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std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x01 },
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std::byte { 0x08 }, std::byte { 0x06 }, std::byte { 0x00 }, std::byte { 0x00 },
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std::byte { 0x00 }, std::byte { 0x1f }, std::byte { 0x15 }, std::byte { 0xc4 },
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std::byte { 0x89 }, std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x00 },
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std::byte { 0x0b }, std::byte { 0x49 }, std::byte { 0x44 }, std::byte { 0x41 },
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std::byte { 0x54 }, std::byte { 0x78 }, std::byte { 0x9c }, std::byte { 0x63 },
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std::byte { 0x60 }, std::byte { 0x00 }, std::byte { 0x02 }, std::byte { 0x00 },
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std::byte { 0x00 }, std::byte { 0x05 }, std::byte { 0x00 }, std::byte { 0x01 },
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std::byte { 0x7a }, std::byte { 0x5e }, std::byte { 0xab }, std::byte { 0x3f },
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std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x00 },
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std::byte { 0x49 }, std::byte { 0x45 }, std::byte { 0x4e }, std::byte { 0x44 },
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std::byte { 0xae }, std::byte { 0x42 }, std::byte { 0x60 }, std::byte { 0x82 },
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};
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void decodes_png_to_rgba8_pixels(pp::tests::Harness& h)
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{
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const auto image = decode_png_rgba8(transparent_png_1x1);
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PP_EXPECT(h, image.ok());
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PP_EXPECT(h, image.value().width == 1U);
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PP_EXPECT(h, image.value().height == 1U);
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PP_EXPECT(h, image.value().pixels.size() == 4U);
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PP_EXPECT(h, image.value().pixels[0] == 0U);
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PP_EXPECT(h, image.value().pixels[1] == 0U);
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PP_EXPECT(h, image.value().pixels[2] == 0U);
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PP_EXPECT(h, image.value().pixels[3] == 0U);
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}
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void rejects_corrupt_png_payload(pp::tests::Harness& h)
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{
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auto corrupt = transparent_png_1x1;
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corrupt[0] = std::byte { 0x00 };
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const auto image = decode_png_rgba8(corrupt);
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PP_EXPECT(h, !image.ok());
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PP_EXPECT(h, image.status().code == StatusCode::invalid_argument);
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}
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}
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int main()
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{
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pp::tests::Harness harness;
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harness.run("decodes_png_to_rgba8_pixels", decodes_png_to_rgba8_pixels);
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harness.run("rejects_corrupt_png_payload", rejects_corrupt_png_payload);
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return harness.finish();
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}
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