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      1 /*
      2  * Copyright (C) 2016 The Android Open Source Project
      3  *
      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
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     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.
     15  */
     16 
     17 package com.android.setupwizardlib.test;
     18 
     19 import static org.junit.Assert.assertEquals;
     20 import static org.junit.Assert.assertSame;
     21 
     22 import android.support.test.filters.SmallTest;
     23 import android.support.test.runner.AndroidJUnit4;
     24 import android.text.Annotation;
     25 import android.text.SpannableStringBuilder;
     26 
     27 import com.android.setupwizardlib.span.SpanHelper;
     28 
     29 import org.junit.Test;
     30 import org.junit.runner.RunWith;
     31 
     32 @RunWith(AndroidJUnit4.class)
     33 @SmallTest
     34 public class SpanHelperTest {
     35 
     36     @Test
     37     public void testReplaceSpan() {
     38         SpannableStringBuilder ssb = new SpannableStringBuilder("Hello world");
     39         Annotation oldSpan = new Annotation("key", "value");
     40         Annotation newSpan = new Annotation("newkey", "newvalue");
     41         ssb.setSpan(oldSpan, 2, 5, 0 /* flags */);
     42 
     43         SpanHelper.replaceSpan(ssb, oldSpan, newSpan);
     44 
     45         final Object[] spans = ssb.getSpans(0, ssb.length(), Object.class);
     46         assertEquals("There should be one span in the builder", 1, spans.length);
     47         assertSame("The span should be newSpan", newSpan, spans[0]);
     48     }
     49 }
     50