2 * Copyright 2008 ZXing authors
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package com.google.zxing.common;
19 import com.google.zxing.ReaderException;
20 import junit.framework.TestCase;
25 public final class BlackPointEstimationMethodTestCase extends TestCase {
27 public void testBasic() throws ReaderException {
28 int[] histogram = { 0, 0, 11, 43, 37, 18, 3, 1, 0, 0, 13, 36, 24, 0, 11, 2 };
29 int point = BlackPointEstimator.estimate(histogram);
30 assertEquals(8, point);
33 public void testTooLittleRange() {
35 int[] histogram = { 0, 0, 0, 0, 0, 0, 1, 43, 48, 18, 3, 1, 0, 0, 0, 0 };
36 BlackPointEstimator.estimate(histogram);
37 fail("Should have thrown an exception");
38 } catch (ReaderException re) {