#include "tests/ImageReaderTests.h"
#include "images/ImageReader.h"
#include "tests/Test.h"
#include "utils/StringBuffer.h"

typedef StringBuffer<200> String;

static void testReadPNG(Test& test, const char* path, const char* name,
                        unsigned int channels, unsigned int bitdepth) {
    ImageReader::Image image;
    Error error =
        ImageReader::load(image, String(path).append(name).append(".png"));
    if(error.has()) {
        test.checkEqual(false, true,
                        String("read ").append(name).append(" error"));
        return;
    }
    test.checkEqual(32u, image.width, String(name).append(" width"));
    test.checkEqual(64u, image.height, String(name).append(" height"));
    test.checkEqual(channels, image.channels, String(name).append(" channels"));
    test.checkEqual(bitdepth, image.bitdepth, String(name).append(" bitdepth"));
    test.checkEqual(true, image.data != nullptr, String(name).append(" data"));
}

void ImageReaderTests::test(const char* path) {
    Test test("ImageReader");
    testReadPNG(test, path, "rgb8", 3, 8);
    testReadPNG(test, path, "rgb16", 3, 16);
    testReadPNG(test, path, "rgba8", 4, 8);
    testReadPNG(test, path, "rgba16", 4, 16);
    testReadPNG(test, path, "gray8", 1, 8);
    testReadPNG(test, path, "gray16", 1, 16);
    testReadPNG(test, path, "graya8", 2, 8);
    testReadPNG(test, path, "graya16", 2, 16);
    test.finalize();
}