1/*
2 * Copyright (C) 2007 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
17package android.text;
18
19import android.test.InstrumentationTestCase;
20import android.test.MoreAsserts;
21import android.test.suitebuilder.annotation.MediumTest;
22import android.text.Spannable;
23
24public abstract class SpannableTest extends InstrumentationTestCase {
25
26    protected abstract Spannable newSpannableWithText(String text);
27
28    @MediumTest
29    public void testGetSpans() {
30        Spannable spannable = newSpannableWithText("abcdef");
31        Object emptySpan = new Object();
32        spannable.setSpan(emptySpan, 1, 1, 0);
33        Object unemptySpan = new Object();
34        spannable.setSpan(unemptySpan, 1, 2, 0);
35
36        Object[] spans;
37
38        // Empty spans are included when they merely abut the query region
39        // but other spans are not, unless the query region is empty, in
40        // in which case any abutting spans are returned.
41        spans = spannable.getSpans(0, 1, Object.class);
42        MoreAsserts.assertEquals(new Object[]{emptySpan}, spans);
43        spans = spannable.getSpans(0, 2, Object.class);
44        MoreAsserts.assertEquals(new Object[]{emptySpan, unemptySpan}, spans);
45        spans = spannable.getSpans(1, 2, Object.class);
46        MoreAsserts.assertEquals(new Object[]{emptySpan, unemptySpan}, spans);
47        spans = spannable.getSpans(2, 2, Object.class);
48        MoreAsserts.assertEquals(new Object[]{unemptySpan}, spans);
49    }
50}
51