server side Node.js testing result

  image-clipper tests with node-canvas
    ✓ loadImageFromUrl(url, function() {...}) works
    ✓ loadImageFromMemory(img).crop(...) works
    ✓ destroy() works
    ✓ reset() works
    ✓ setImageFormat(imageFormat) works
    ✓ injectNodeCanvas(Canvas) works
    ✓ new ImageClipper() throws
    ✓ new ImageClipper({canvas: 12}) throws

  crop
    ✓ crop(x, y, width, height) works
    ✓ crop(x, y, width, height).toDataURL(function(dataUrl) {...}) works
    ✓ crop(x, y, width, height).resize(width2, height2) works
    ✓ crop(x, y, width, height).toFile(...) works
    ✓ crop(x, y, width, height).resize(width2, height2).toFile(...) works

  toDataURL
    ✓ toDataURL() throws
    ✓ toDataURL(quality) throws
    ✓ toDataURL(callback) works
    ✓ toDataURL(quality, callback) works

  resize
    ✓ resize(width, height) works
    ✓ resize(width) works
    ✓ resize() throws
    ✓ resize(width, height).toFile(path, function() {...}) works
    ✓ resize(width).toFile(path, function() {...}) works

  quality
    ✓ quality(level) works
    ✓ works when quality level > max quality level
    ✓ works when quality level < min quality level

  utils
    ✓ isBrowser() works
    ✓ isNode() works
    ✓ isNW() works
    ✓ isElectron() works
    ✓ rangeNumber(num, min, max) works
    ✓ getImageFormat(str) works
    ✓ upperCaseFirstLetter(str) works