@Test public void serializeDeserializeEstimationNoResize() throws Exception { ArrayOfDoublesUpdatableSketch sketch1 = new ArrayOfDoublesUpdatableSketchBuilder(). setResizeFactor(ResizeFactor.X1).build(); for (int j = 0; j < 10; j++) { for (int i = 0; i < 8192; i++) sketch1.update(i, new double[] {1.0}); } byte[] byteArray = sketch1.toByteArray(); //for visual testing //TestUtil.writeBytesToFile(byteArray, "ArrayOfDoublesQuickSelectSketch4K.data"); ArrayOfDoublesSketch sketch2 = ArrayOfDoublesSketch.heapify(Memory.wrap(byteArray)); Assert.assertTrue(sketch2.isEstimationMode()); Assert.assertEquals(sketch2.getEstimate(), 8192, 8192 * 0.99); Assert.assertEquals(sketch1.getTheta(), sketch2.getTheta()); double[][] values = sketch2.getValues(); Assert.assertTrue(values.length >= 4096); for (double[] array: values) Assert.assertEquals(array[0], 10.0); }
@Test public void serializeDeserializeEstimationNoResize() throws Exception { ArrayOfDoublesUpdatableSketch sketch1 = new ArrayOfDoublesUpdatableSketchBuilder().setResizeFactor(ResizeFactor.X1). build(WritableMemory.wrap(new byte[1000000])); for (int j = 0; j < 10; j++) { for (int i = 0; i < 8192; i++) { sketch1.update(i, new double[] {1.0}); } } byte[] byteArray = sketch1.toByteArray(); //for visual testing //TestUtil.writeBytesToFile(byteArray, "ArrayOfDoublesQuickSelectSketch4K.data"); ArrayOfDoublesSketch sketch2 = ArrayOfDoublesSketch.wrap(WritableMemory.wrap(byteArray)); Assert.assertTrue(sketch2.isEstimationMode()); Assert.assertEquals(sketch2.getEstimate(), 8192, 8192 * 0.99); Assert.assertEquals(sketch1.getTheta(), sketch2.getTheta()); double[][] values = sketch2.getValues(); Assert.assertTrue(values.length >= 4096); for (double[] array: values) { Assert.assertEquals(array[0], 10.0); } }