yahoo/pngjs-image

// Copyright 2015 Yahoo! Inc.
// Copyrights licensed under the Mit License. See the accompanying LICENSE file for terms.

var testGen = require('../testGen');

// The following images have additional palettes available that can be used instead of the true-color data.
// PNGjs-Image doesn't use them right now, but collects the data in a PLTE chunk - the client can use this data
// to do some magic. Here, we just want to make sure that it reads the PLTE chunk if available.
describe('Palette', function () {

    describe('True-Color', function () {

        testGen.addDecodeTests({
            resourceGroup: 'palette',
            resourceFile: 'pp0n2c16', // six-cube palette-chunk in true-color image
            imageCheck: true,

            chunkTypes: ['gAMA', 'PLTE'],

            headerCheck: true,
            width: 32,
            height: 32,
            bitDepth: 16,
            colorType: 2
        });
    });

    describe('True-Color with Alpha', function () {

        testGen.addDecodeTests({
            resourceGroup: 'palette',
            resourceFile: 'pp0n6a08', // six-cube palette-chunk in true-color+alpha image
            imageCheck: true,

            chunkTypes: ['gAMA', 'PLTE'],

            headerCheck: true,
            width: 32,
            height: 32,
            bitDepth: 8,
            colorType: 6
        });
    });
});