1/*
2 * Copyright 2017 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.internal.telephony;
18
19import static org.junit.Assert.assertEquals;
20import static org.junit.Assert.assertNotNull;
21import static org.junit.Assert.assertNull;
22
23import org.junit.Test;
24
25import java.util.GregorianCalendar;
26import java.util.TimeZone;
27import java.util.concurrent.TimeUnit;
28
29public class NitzDataTest {
30
31    @Test
32    public void testParse_dateOutsideAllowedRange() {
33        assertNull(NitzData.parse("38/06/20,00:00:00+0"));
34    }
35
36    @Test
37    public void testParse_missingRequiredFields() {
38        // "yy/mm/dd,hh:mm:ss(+/-)tz[,dt[,tzid]]"
39
40        // No tz field.
41        assertNull(NitzData.parse("38/06/20,00:00:00"));
42    }
43
44    @Test
45    public void testParse_withDst() {
46        // "yy/mm/dd,hh:mm:ss(+/-)tz[,dt[,tzid]]"
47        // tz, dt are in number of quarter-hours
48        {
49            NitzData nitz = NitzData.parse("15/06/20,01:02:03-1,0");
50            assertEquals(createUtcTime(2015, 6, 20, 1, 2, 3), nitz.getCurrentTimeInMillis());
51            assertEquals(TimeUnit.MINUTES.toMillis(-1 * 15), nitz.getLocalOffsetMillis());
52            assertEquals(0, nitz.getDstAdjustmentMillis().longValue());
53            assertNull(nitz.getEmulatorHostTimeZone());
54        }
55        {
56            NitzData nitz = NitzData.parse("15/06/20,01:02:03+8,4");
57            assertEquals(createUtcTime(2015, 6, 20, 1, 2, 3), nitz.getCurrentTimeInMillis());
58            assertEquals(TimeUnit.MINUTES.toMillis(8 * 15), nitz.getLocalOffsetMillis());
59            assertEquals(TimeUnit.MINUTES.toMillis(4 * 15),
60                    nitz.getDstAdjustmentMillis().longValue());
61            assertNull(nitz.getEmulatorHostTimeZone());
62        }
63        {
64            NitzData nitz = NitzData.parse("15/06/20,01:02:03-8,4");
65            assertEquals(createUtcTime(2015, 6, 20, 1, 2, 3), nitz.getCurrentTimeInMillis());
66            assertEquals(TimeUnit.MINUTES.toMillis(-8 * 15), nitz.getLocalOffsetMillis());
67            assertEquals(TimeUnit.MINUTES.toMillis(4 * 15),
68                    nitz.getDstAdjustmentMillis().longValue());
69            assertNull(nitz.getEmulatorHostTimeZone());
70        }
71    }
72
73    @Test
74    public void testParse_noDstField() {
75        {
76            NitzData nitz = NitzData.parse("15/06/20,01:02:03+4");
77            assertEquals(createUtcTime(2015, 6, 20, 1, 2, 3), nitz.getCurrentTimeInMillis());
78            assertEquals(TimeUnit.MINUTES.toMillis(4 * 15), nitz.getLocalOffsetMillis());
79            assertNull(nitz.getDstAdjustmentMillis());
80            assertNull(nitz.getEmulatorHostTimeZone());
81        }
82        {
83            NitzData nitz = NitzData.parse("15/06/20,01:02:03-4");
84            assertEquals(createUtcTime(2015, 6, 20, 1, 2, 3), nitz.getCurrentTimeInMillis());
85            assertEquals(TimeUnit.MINUTES.toMillis(-4 * 15), nitz.getLocalOffsetMillis());
86            assertNull(nitz.getDstAdjustmentMillis());
87            assertNull(nitz.getEmulatorHostTimeZone());
88        }
89    }
90
91    @Test
92    public void testParse_androidEmulatorTimeZoneExtension() {
93        NitzData nitz = NitzData.parse("15/06/20,01:02:03-32,4,America!Los_Angeles");
94        assertEquals(createUtcTime(2015, 6, 20, 1, 2, 3), nitz.getCurrentTimeInMillis());
95        assertEquals(TimeUnit.MINUTES.toMillis(-32 * 15), nitz.getLocalOffsetMillis());
96        assertEquals(TimeUnit.MINUTES.toMillis(4 * 15),
97                nitz.getDstAdjustmentMillis().longValue());
98        assertEquals("America/Los_Angeles", nitz.getEmulatorHostTimeZone().getID());
99    }
100
101    @Test
102    public void testToString() {
103        assertNotNull(NitzData.parse("15/06/20,01:02:03-32").toString());
104        assertNotNull(NitzData.parse("15/06/20,01:02:03-32,4").toString());
105        assertNotNull(NitzData.parse("15/06/20,01:02:03-32,4,America!Los_Angeles")
106                .toString());
107    }
108
109    private static long createUtcTime(
110            int year, int monthOfYear, int dayOfMonth, int hourOfDay, int minute, int second) {
111        GregorianCalendar calendar = new GregorianCalendar(TimeZone.getTimeZone("UTC"));
112        calendar.clear(); // Clear millis, etc.
113        calendar.set(year, monthOfYear - 1, dayOfMonth, hourOfDay, minute, second);
114        return calendar.getTimeInMillis();
115    }
116}
117