7ecd15ed5c978d35a95d910fbac4a4f1a4d16b4c,src/test/java/org/rrd4j/graph/ImageWriterTest.java,ImageWriterTest,testPng,#,27

Before Change


    @Test
    public void testPng() throws IOException {
        ImageWorker iw = new ImageWorker(100, 100);
        iw.saveImage(testFolder.newFile("test.png").getCanonicalPath(), "png", 1.0f);
    }

    @Test

After Change


    @Test
    public void testPng() throws IOException {
        ImageWorker iw = new ImageWorker(100, 100);
        int count = iw.saveImage(testFolder.newFile("test.png").getCanonicalPath(), "png", 1.0f, true).length;
        Assert.assertTrue(count > 0);
    }