1/*
2 * Copyright (C) 2012 Google Inc.
3 * Licensed to The Android Open Source Project.
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 *      http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18package com.android.mail.ui;
19
20import android.test.AndroidTestCase;
21import android.text.SpannableStringBuilder;
22import android.test.suitebuilder.annotation.SmallTest;
23
24@SmallTest
25public class HierarchicalFolderTruncationTests extends AndroidTestCase {
26
27    private HierarchicalFolderSelectorAdapter mAdapter;
28
29    @Override
30    protected void setUp() throws Exception {
31        super.setUp();
32        mAdapter = new HierarchicalFolderSelectorAdapter(mContext, null, null, 1);
33    }
34
35    public void testEmpty() {
36        assertNull(truncate(null));
37    }
38
39    public void testNoParents() {
40        assertEquals("name", truncate("name"));
41    }
42
43    public void testSingleParent() {
44        assertEquals("parent\u2215folder", truncate("parent/folder"));
45    }
46
47    public void testDoubleParent() {
48        assertEquals("grandparent\u2215parent\u2215folder", truncate("grandparent/parent/folder"));
49    }
50
51    public void testEllipsizedDoubleParent() {
52        assertEquals("grandparent\u2215\u2026\u2215parent\u2215folder",
53                truncate("grandparent/stuff/stuff/stuff/stuff/parent/folder"));
54    }
55
56    private String truncate(String hierarchy) {
57        final SpannableStringBuilder result = mAdapter.truncateHierarchy(hierarchy);
58        return result == null ? null : result.toString();
59    }
60}
61