/**
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* @licstart The following is the entire license notice for the
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* JavaScript code in this page
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*
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* Copyright 2022 Mozilla Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* @licend The above is the entire license notice for the
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* JavaScript code in this page
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*/
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"use strict";
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var _primitives = require("../../core/primitives.js");
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var _predictor_stream = require("../../core/predictor_stream.js");
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var _stream = require("../../core/stream.js");
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describe("stream", function () {
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describe("PredictorStream", function () {
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it("should decode simple predictor data", function () {
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const dict = new _primitives.Dict();
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dict.set("Predictor", 12);
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dict.set("Colors", 1);
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dict.set("BitsPerComponent", 8);
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dict.set("Columns", 2);
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const input = new _stream.Stream(new Uint8Array([2, 100, 3, 2, 1, 255, 2, 1, 255]), 0, 9, dict);
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const predictor = new _predictor_stream.PredictorStream(input, 9, dict);
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const result = predictor.getBytes(6);
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expect(result).toEqual(new Uint8Array([100, 3, 101, 2, 102, 1]));
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});
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});
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});
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