1/*
2 * Copyright (C) 2011 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 com.android.providers.contacts.util;
18
19import android.test.AndroidTestCase;
20import android.test.suitebuilder.annotation.SmallTest;
21
22/**
23 * Unit tests for {@link SelectionBuilder}.
24 */
25@SmallTest
26public class SelectionBuilderTest extends AndroidTestCase {
27    public void testEmptyClauses() {
28        assertEquals(null, new SelectionBuilder(null).build());
29        assertEquals(null, new SelectionBuilder("").build());
30        assertEquals(null, new SelectionBuilder("").addClause(null).build());
31        assertEquals(null, new SelectionBuilder(null).addClause("").build());
32        assertEquals(null, new SelectionBuilder(null).addClause("").addClause(null).build());
33    }
34
35    public void testNonEmptyClauses() {
36        assertEquals("(A)", new SelectionBuilder("A").build());
37        assertEquals("(A) AND (B=bar) AND (C='1')", new SelectionBuilder("A")
38                .addClause("B=bar")
39                .addClause("C='1'")
40                .build());
41
42        // Skips null and empty clauses.
43        assertEquals("(A) AND (B) AND (C)", new SelectionBuilder("A")
44                .addClause("")
45                .addClause("B")
46                .addClause(null)
47                .addClause("C")
48                .addClause(null)
49                .build());
50
51        // Use base selection with constructor.
52        assertEquals("(A)", new SelectionBuilder(null).addClause("A").build());
53        assertEquals("(A)", new SelectionBuilder("").addClause("A").build());
54        assertEquals("(A) AND (B)", new SelectionBuilder("A").addClause("B").build());
55    }
56}
57