javase/src/test/java/com/google/zxing/client/j2se/ImageReaderTestCase.java


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/*
 * Copyright 2017 ZXing authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.zxing.client.j2se;

import org.junit.Assert;
import org.junit.Test;

import java.awt.image.BufferedImage;
import java.io.IOException;
import java.net.URI;

/**
 * Tests {@link ImageReader}.
 */
public final class ImageReaderTestCase extends Assert {
  
  @Test
  public void testDataURI() throws Exception {
    String uri = 
        "data:image/gif;base64,R0lGODlhEAAQAMQAAORHHOVSKudfOulrSOp3WOyDZu6QdvCchPGolfO0o/XBs/fNwfjZ0frl3/zy7////w" +
        "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACH5BAkAABAALAAAAAAQABAAAAVVICSOZGlCQAosJ6" +
        "mu7fiyZeKqNKToQGDsM8hBADgUXoGAiqhSvp5QAnQKGIgUhwFUYLCVDFCrKUE1lBavAViFIDlTImbKC5Gm2hB0SlBCBMQiB0UjIQA7";
    BufferedImage image = ImageReader.readImage(new URI(uri));
    assertEquals(16, image.getWidth());
    assertEquals(16, image.getHeight());
  }

  @Test(expected = IOException.class)
  public void testInvalidBase64DataURI() throws Exception {
    ImageReader.readImage(new URI("data:image/png;base64,@@@notbase64@@@"));
  }

}