Hugo Benichi | e751433 | 2017-05-24 15:39:39 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2014 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 | */ |
Christopher Lane | b72d8b4 | 2014-03-17 16:35:45 -0700 | [diff] [blame] | 16 | |
Hugo Benichi | e751433 | 2017-05-24 15:39:39 +0900 | [diff] [blame] | 17 | package android.net.nsd; |
| 18 | |
| 19 | import static org.junit.Assert.assertEquals; |
| 20 | import static org.junit.Assert.assertFalse; |
| 21 | import static org.junit.Assert.assertTrue; |
| 22 | import static org.junit.Assert.fail; |
Christopher Lane | b72d8b4 | 2014-03-17 16:35:45 -0700 | [diff] [blame] | 23 | |
| 24 | import android.os.Bundle; |
| 25 | import android.os.Parcel; |
| 26 | import android.os.StrictMode; |
| 27 | import android.net.nsd.NsdServiceInfo; |
Hugo Benichi | e751433 | 2017-05-24 15:39:39 +0900 | [diff] [blame] | 28 | import android.support.test.filters.SmallTest; |
| 29 | import android.support.test.runner.AndroidJUnit4; |
Christopher Lane | b72d8b4 | 2014-03-17 16:35:45 -0700 | [diff] [blame] | 30 | import android.util.Log; |
| 31 | |
| 32 | import java.util.Arrays; |
| 33 | import java.util.HashMap; |
| 34 | import java.util.Map; |
| 35 | import java.net.InetAddress; |
| 36 | import java.net.UnknownHostException; |
| 37 | |
Hugo Benichi | e751433 | 2017-05-24 15:39:39 +0900 | [diff] [blame] | 38 | import org.junit.Test; |
| 39 | import org.junit.runner.RunWith; |
Christopher Lane | b72d8b4 | 2014-03-17 16:35:45 -0700 | [diff] [blame] | 40 | |
Hugo Benichi | e751433 | 2017-05-24 15:39:39 +0900 | [diff] [blame] | 41 | @RunWith(AndroidJUnit4.class) |
| 42 | @SmallTest |
| 43 | public class NsdServiceInfoTest { |
Christopher Lane | b72d8b4 | 2014-03-17 16:35:45 -0700 | [diff] [blame] | 44 | |
| 45 | public final static InetAddress LOCALHOST; |
| 46 | static { |
| 47 | // Because test. |
| 48 | StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build(); |
| 49 | StrictMode.setThreadPolicy(policy); |
| 50 | |
| 51 | InetAddress _host = null; |
| 52 | try { |
| 53 | _host = InetAddress.getLocalHost(); |
| 54 | } catch (UnknownHostException e) { } |
| 55 | LOCALHOST = _host; |
| 56 | } |
| 57 | |
Hugo Benichi | e751433 | 2017-05-24 15:39:39 +0900 | [diff] [blame] | 58 | @Test |
Christopher Lane | b72d8b4 | 2014-03-17 16:35:45 -0700 | [diff] [blame] | 59 | public void testLimits() throws Exception { |
| 60 | NsdServiceInfo info = new NsdServiceInfo(); |
| 61 | |
| 62 | // Non-ASCII keys. |
| 63 | boolean exceptionThrown = false; |
| 64 | try { |
| 65 | info.setAttribute("猫", "meow"); |
| 66 | } catch (IllegalArgumentException e) { |
| 67 | exceptionThrown = true; |
| 68 | } |
| 69 | assertTrue(exceptionThrown); |
| 70 | assertEmptyServiceInfo(info); |
| 71 | |
| 72 | // ASCII keys with '=' character. |
| 73 | exceptionThrown = false; |
| 74 | try { |
| 75 | info.setAttribute("kitten=", "meow"); |
| 76 | } catch (IllegalArgumentException e) { |
| 77 | exceptionThrown = true; |
| 78 | } |
| 79 | assertTrue(exceptionThrown); |
| 80 | assertEmptyServiceInfo(info); |
| 81 | |
| 82 | // Single key + value length too long. |
| 83 | exceptionThrown = false; |
| 84 | try { |
| 85 | String longValue = "loooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo" + |
| 86 | "oooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo" + |
| 87 | "oooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo" + |
| 88 | "ooooooooooooooooooooooooooooong"; // 248 characters. |
| 89 | info.setAttribute("longcat", longValue); // Key + value == 255 characters. |
| 90 | } catch (IllegalArgumentException e) { |
| 91 | exceptionThrown = true; |
| 92 | } |
| 93 | assertTrue(exceptionThrown); |
| 94 | assertEmptyServiceInfo(info); |
| 95 | |
| 96 | // Total TXT record length too long. |
| 97 | exceptionThrown = false; |
| 98 | int recordsAdded = 0; |
| 99 | try { |
| 100 | for (int i = 100; i < 300; ++i) { |
| 101 | // 6 char key + 5 char value + 2 bytes overhead = 13 byte record length. |
| 102 | String key = String.format("key%d", i); |
| 103 | info.setAttribute(key, "12345"); |
| 104 | recordsAdded++; |
| 105 | } |
| 106 | } catch (IllegalArgumentException e) { |
| 107 | exceptionThrown = true; |
| 108 | } |
| 109 | assertTrue(exceptionThrown); |
| 110 | assertTrue(100 == recordsAdded); |
| 111 | assertTrue(info.getTxtRecord().length == 1300); |
| 112 | } |
| 113 | |
Hugo Benichi | e751433 | 2017-05-24 15:39:39 +0900 | [diff] [blame] | 114 | @Test |
Christopher Lane | b72d8b4 | 2014-03-17 16:35:45 -0700 | [diff] [blame] | 115 | public void testParcel() throws Exception { |
| 116 | NsdServiceInfo emptyInfo = new NsdServiceInfo(); |
| 117 | checkParcelable(emptyInfo); |
| 118 | |
| 119 | NsdServiceInfo fullInfo = new NsdServiceInfo(); |
| 120 | fullInfo.setServiceName("kitten"); |
| 121 | fullInfo.setServiceType("_kitten._tcp"); |
| 122 | fullInfo.setPort(4242); |
| 123 | fullInfo.setHost(LOCALHOST); |
| 124 | checkParcelable(fullInfo); |
| 125 | |
| 126 | NsdServiceInfo noHostInfo = new NsdServiceInfo(); |
| 127 | noHostInfo.setServiceName("kitten"); |
| 128 | noHostInfo.setServiceType("_kitten._tcp"); |
| 129 | noHostInfo.setPort(4242); |
| 130 | checkParcelable(noHostInfo); |
| 131 | |
| 132 | NsdServiceInfo attributedInfo = new NsdServiceInfo(); |
| 133 | attributedInfo.setServiceName("kitten"); |
| 134 | attributedInfo.setServiceType("_kitten._tcp"); |
| 135 | attributedInfo.setPort(4242); |
| 136 | attributedInfo.setHost(LOCALHOST); |
| 137 | attributedInfo.setAttribute("color", "pink"); |
| 138 | attributedInfo.setAttribute("sound", (new String("にゃあ")).getBytes("UTF-8")); |
| 139 | attributedInfo.setAttribute("adorable", (String) null); |
| 140 | attributedInfo.setAttribute("sticky", "yes"); |
| 141 | attributedInfo.setAttribute("siblings", new byte[] {}); |
| 142 | attributedInfo.setAttribute("edge cases", new byte[] {0, -1, 127, -128}); |
| 143 | attributedInfo.removeAttribute("sticky"); |
| 144 | checkParcelable(attributedInfo); |
| 145 | |
| 146 | // Sanity check that we actually wrote attributes to attributedInfo. |
| 147 | assertTrue(attributedInfo.getAttributes().keySet().contains("adorable")); |
| 148 | String sound = new String(attributedInfo.getAttributes().get("sound"), "UTF-8"); |
| 149 | assertTrue(sound.equals("にゃあ")); |
| 150 | byte[] edgeCases = attributedInfo.getAttributes().get("edge cases"); |
| 151 | assertTrue(Arrays.equals(edgeCases, new byte[] {0, -1, 127, -128})); |
| 152 | assertFalse(attributedInfo.getAttributes().keySet().contains("sticky")); |
| 153 | } |
| 154 | |
| 155 | public void checkParcelable(NsdServiceInfo original) { |
| 156 | // Write to parcel. |
| 157 | Parcel p = Parcel.obtain(); |
| 158 | Bundle writer = new Bundle(); |
| 159 | writer.putParcelable("test_info", original); |
| 160 | writer.writeToParcel(p, 0); |
| 161 | |
| 162 | // Extract from parcel. |
| 163 | p.setDataPosition(0); |
| 164 | Bundle reader = p.readBundle(); |
| 165 | reader.setClassLoader(NsdServiceInfo.class.getClassLoader()); |
| 166 | NsdServiceInfo result = reader.getParcelable("test_info"); |
| 167 | |
| 168 | // Assert equality of base fields. |
Hugo Benichi | e751433 | 2017-05-24 15:39:39 +0900 | [diff] [blame] | 169 | assertEquals(original.getServiceName(), result.getServiceName()); |
| 170 | assertEquals(original.getServiceType(), result.getServiceType()); |
| 171 | assertEquals(original.getHost(), result.getHost()); |
Christopher Lane | b72d8b4 | 2014-03-17 16:35:45 -0700 | [diff] [blame] | 172 | assertTrue(original.getPort() == result.getPort()); |
| 173 | |
| 174 | // Assert equality of attribute map. |
| 175 | Map<String, byte[]> originalMap = original.getAttributes(); |
| 176 | Map<String, byte[]> resultMap = result.getAttributes(); |
Hugo Benichi | e751433 | 2017-05-24 15:39:39 +0900 | [diff] [blame] | 177 | assertEquals(originalMap.keySet(), resultMap.keySet()); |
Christopher Lane | b72d8b4 | 2014-03-17 16:35:45 -0700 | [diff] [blame] | 178 | for (String key : originalMap.keySet()) { |
| 179 | assertTrue(Arrays.equals(originalMap.get(key), resultMap.get(key))); |
| 180 | } |
| 181 | } |
| 182 | |
Christopher Lane | b72d8b4 | 2014-03-17 16:35:45 -0700 | [diff] [blame] | 183 | public void assertEmptyServiceInfo(NsdServiceInfo shouldBeEmpty) { |
Hugo Benichi | e751433 | 2017-05-24 15:39:39 +0900 | [diff] [blame] | 184 | byte[] txtRecord = shouldBeEmpty.getTxtRecord(); |
| 185 | if (txtRecord == null || txtRecord.length == 0) { |
| 186 | return; |
| 187 | } |
| 188 | fail("NsdServiceInfo.getTxtRecord did not return null but " + Arrays.toString(txtRecord)); |
Christopher Lane | b72d8b4 | 2014-03-17 16:35:45 -0700 | [diff] [blame] | 189 | } |
| 190 | } |