Matthias Andreas Benkard | b5d657a | 2022-02-03 21:14:30 +0100 | [diff] [blame] | 1 | // SPDX-FileCopyrightText: © 2021 Matthias Andreas Benkard <code@mail.matthias.benkard.de> |
| 2 | // |
| 3 | // SPDX-License-Identifier: LGPL-3.0-or-later |
| 4 | |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 5 | package eu.mulk.jgvariant.core; |
| 6 | |
Matthias Andreas Benkard | e5a5c75 | 2021-12-15 19:53:55 +0100 | [diff] [blame] | 7 | import static java.nio.ByteOrder.BIG_ENDIAN; |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 8 | import static java.nio.ByteOrder.LITTLE_ENDIAN; |
| 9 | import static java.nio.charset.StandardCharsets.UTF_8; |
Matthias Andreas Benkard | 55c3481 | 2021-12-14 21:51:10 +0100 | [diff] [blame] | 10 | import static org.junit.jupiter.api.Assertions.assertAll; |
| 11 | import static org.junit.jupiter.api.Assertions.assertArrayEquals; |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 12 | import static org.junit.jupiter.api.Assertions.assertEquals; |
Matthias Andreas Benkard | e5a5c75 | 2021-12-15 19:53:55 +0100 | [diff] [blame] | 13 | import static org.junit.jupiter.api.Assertions.assertThrows; |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 14 | |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 15 | import java.nio.ByteBuffer; |
Matthias Andreas Benkard | 31c61e7 | 2021-12-16 20:06:39 +0100 | [diff] [blame] | 16 | import java.text.ParseException; |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 17 | import java.util.List; |
Matthias Andreas Benkard | cd924f6 | 2021-12-28 00:46:06 +0100 | [diff] [blame] | 18 | import java.util.Map; |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 19 | import java.util.Optional; |
| 20 | import org.junit.jupiter.api.Test; |
| 21 | |
| 22 | /** |
| 23 | * Tests based on the examples given in <a |
| 24 | * href="https://people.gnome.org/~desrt/gvariant-serialisation.pdf">~desrt/gvariant-serialisation.pdf</a>. |
| 25 | */ |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 26 | @SuppressWarnings({ |
| 27 | "ImmutableListOf", |
| 28 | "ImmutableListOf1", |
| 29 | "ImmutableListOf2", |
| 30 | "ImmutableListOf3", |
| 31 | "ImmutableListOf4", |
| 32 | "ImmutableListOf5", |
| 33 | "ImmutableMapOf2" |
| 34 | }) |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 35 | class DecoderTest { |
| 36 | |
| 37 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 38 | void string() { |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 39 | var data = new byte[] {0x68, 0x65, 0x6C, 0x6C, 0x6F, 0x20, 0x77, 0x6F, 0x72, 0x6C, 0x64, 0x00}; |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 40 | var decoder = Decoder.ofString(UTF_8); |
| 41 | assertEquals("hello world", decoder.decode(ByteBuffer.wrap(data))); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 42 | } |
| 43 | |
| 44 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 45 | void maybe() { |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 46 | var data = |
| 47 | new byte[] {0x68, 0x65, 0x6C, 0x6C, 0x6F, 0x20, 0x77, 0x6F, 0x72, 0x6C, 0x64, 0x00, 0x00}; |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 48 | var decoder = Decoder.ofMaybe(Decoder.ofString(UTF_8)); |
| 49 | assertEquals(Optional.of("hello world"), decoder.decode(ByteBuffer.wrap(data))); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 50 | } |
| 51 | |
| 52 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 53 | void booleanArray() { |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 54 | var data = new byte[] {0x01, 0x00, 0x00, 0x01, 0x01}; |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 55 | var decoder = Decoder.ofArray(Decoder.ofBoolean()); |
| 56 | assertEquals(List.of(true, false, false, true, true), decoder.decode(ByteBuffer.wrap(data))); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 57 | } |
| 58 | |
| 59 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 60 | void structure() { |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 61 | var data = |
| 62 | new byte[] { |
| 63 | 0x66, 0x6F, 0x6F, 0x00, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, 0x04 |
| 64 | }; |
| 65 | |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 66 | record TestRecord(String s, int i) {} |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 67 | |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 68 | var decoder = Decoder.ofStructure(TestRecord.class, Decoder.ofString(UTF_8), Decoder.ofInt()); |
| 69 | assertEquals(new TestRecord("foo", -1), decoder.decode(ByteBuffer.wrap(data))); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 70 | } |
| 71 | |
| 72 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 73 | void complexStructureArray() { |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 74 | var data = |
| 75 | new byte[] { |
| 76 | 0x68, |
| 77 | 0x69, |
| 78 | 0x00, |
| 79 | 0x00, |
| 80 | (byte) 0xfe, |
| 81 | (byte) 0xff, |
| 82 | (byte) 0xff, |
| 83 | (byte) 0xff, |
| 84 | 0x03, |
| 85 | 0x00, |
| 86 | 0x00, |
| 87 | 0x00, |
| 88 | 0x62, |
| 89 | 0x79, |
| 90 | 0x65, |
| 91 | 0x00, |
| 92 | (byte) 0xff, |
| 93 | (byte) 0xff, |
| 94 | (byte) 0xff, |
| 95 | (byte) 0xff, |
| 96 | 0x04, |
| 97 | 0x09, |
| 98 | 0x15 |
| 99 | }; |
| 100 | |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 101 | record TestRecord(String s, int i) {} |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 102 | |
| 103 | var decoder = |
| 104 | Decoder.ofArray( |
| 105 | Decoder.ofStructure( |
| 106 | TestRecord.class, |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 107 | Decoder.ofString(UTF_8), |
| 108 | Decoder.ofInt().withByteOrder(LITTLE_ENDIAN))); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 109 | assertEquals( |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 110 | List.of(new TestRecord("hi", -2), new TestRecord("bye", -1)), |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 111 | decoder.decode(ByteBuffer.wrap(data))); |
| 112 | } |
| 113 | |
| 114 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 115 | void dictionary() { |
Matthias Andreas Benkard | 9a6c8ed | 2021-12-28 01:00:22 +0100 | [diff] [blame] | 116 | var data = |
| 117 | new byte[] { |
| 118 | 0x68, |
| 119 | 0x69, |
| 120 | 0x00, |
| 121 | 0x00, |
| 122 | (byte) 0xfe, |
| 123 | (byte) 0xff, |
| 124 | (byte) 0xff, |
| 125 | (byte) 0xff, |
| 126 | 0x03, |
| 127 | 0x00, |
| 128 | 0x00, |
| 129 | 0x00, |
| 130 | 0x62, |
| 131 | 0x79, |
| 132 | 0x65, |
| 133 | 0x00, |
| 134 | (byte) 0xff, |
| 135 | (byte) 0xff, |
| 136 | (byte) 0xff, |
| 137 | (byte) 0xff, |
| 138 | 0x04, |
| 139 | 0x09, |
| 140 | 0x15 |
| 141 | }; |
| 142 | |
| 143 | var decoder = |
| 144 | Decoder.ofDictionary(Decoder.ofString(UTF_8), Decoder.ofInt().withByteOrder(LITTLE_ENDIAN)); |
| 145 | assertEquals(Map.of("hi", -2, "bye", -1), decoder.decode(ByteBuffer.wrap(data))); |
| 146 | } |
| 147 | |
| 148 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 149 | void stringArray() { |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 150 | var data = |
| 151 | new byte[] { |
| 152 | 0x69, 0x00, 0x63, 0x61, 0x6E, 0x00, 0x68, 0x61, 0x73, 0x00, 0x73, 0x74, 0x72, 0x69, 0x6E, |
| 153 | 0x67, 0x73, 0x3F, 0x00, 0x02, 0x06, 0x0a, 0x13 |
| 154 | }; |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 155 | var decoder = Decoder.ofArray(Decoder.ofString(UTF_8)); |
| 156 | assertEquals(List.of("i", "can", "has", "strings?"), decoder.decode(ByteBuffer.wrap(data))); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 157 | } |
| 158 | |
| 159 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 160 | void nestedStructure() { |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 161 | var data = |
| 162 | new byte[] { |
| 163 | 0x69, 0x63, 0x61, 0x6E, 0x00, 0x68, 0x61, 0x73, 0x00, 0x73, 0x74, 0x72, 0x69, 0x6E, 0x67, |
| 164 | 0x73, 0x3F, 0x00, 0x04, 0x0d, 0x05 |
| 165 | }; |
| 166 | |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 167 | record TestChild(byte b, String s) {} |
| 168 | record TestParent(TestChild tc, List<String> as) {} |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 169 | |
| 170 | var decoder = |
| 171 | Decoder.ofStructure( |
| 172 | TestParent.class, |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 173 | Decoder.ofStructure(TestChild.class, Decoder.ofByte(), Decoder.ofString(UTF_8)), |
| 174 | Decoder.ofArray(Decoder.ofString(UTF_8))); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 175 | |
| 176 | assertEquals( |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 177 | new TestParent(new TestChild((byte) 0x69, "can"), List.of("has", "strings?")), |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 178 | decoder.decode(ByteBuffer.wrap(data))); |
| 179 | } |
| 180 | |
| 181 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 182 | void nestedStructureVariant() { |
Matthias Andreas Benkard | 55c3481 | 2021-12-14 21:51:10 +0100 | [diff] [blame] | 183 | var data = |
| 184 | new byte[] { |
| 185 | 0x69, 0x63, 0x61, 0x6E, 0x00, 0x68, 0x61, 0x73, 0x00, 0x73, 0x74, 0x72, 0x69, 0x6E, 0x67, |
| 186 | 0x73, 0x3F, 0x00, 0x04, 0x0d, 0x05, 0x00, 0x28, 0x28, 0x79, 0x73, 0x29, 0x61, 0x73, 0x29 |
| 187 | }; |
| 188 | |
| 189 | var decoder = Decoder.ofVariant(); |
Matthias Andreas Benkard | 31c61e7 | 2021-12-16 20:06:39 +0100 | [diff] [blame] | 190 | var variant = decoder.decode(ByteBuffer.wrap(data)); |
| 191 | var result = (Object[]) variant.value(); |
Matthias Andreas Benkard | 55c3481 | 2021-12-14 21:51:10 +0100 | [diff] [blame] | 192 | |
| 193 | assertAll( |
Matthias Andreas Benkard | 31c61e7 | 2021-12-16 20:06:39 +0100 | [diff] [blame] | 194 | () -> assertEquals(Signature.parse("((ys)as)"), variant.signature()), |
Matthias Andreas Benkard | 55c3481 | 2021-12-14 21:51:10 +0100 | [diff] [blame] | 195 | () -> assertEquals(2, result.length), |
| 196 | () -> assertArrayEquals(new Object[] {(byte) 0x69, "can"}, (Object[]) result[0]), |
| 197 | () -> assertEquals(List.of("has", "strings?"), result[1])); |
| 198 | } |
| 199 | |
| 200 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 201 | void simpleStructure() { |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 202 | var data = new byte[] {0x60, 0x70}; |
| 203 | |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 204 | record TestRecord(byte b1, byte b2) {} |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 205 | |
| 206 | var decoder = |
| 207 | Decoder.ofStructure( |
| 208 | TestRecord.class, |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 209 | Decoder.ofByte().withByteOrder(LITTLE_ENDIAN), |
| 210 | Decoder.ofByte().withByteOrder(LITTLE_ENDIAN)); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 211 | |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 212 | assertEquals(new TestRecord((byte) 0x60, (byte) 0x70), decoder.decode(ByteBuffer.wrap(data))); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 213 | } |
| 214 | |
| 215 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 216 | void paddedStructureRight() { |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 217 | var data = new byte[] {0x60, 0x00, 0x00, 0x00, 0x70, 0x00, 0x00, 0x00}; |
| 218 | |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 219 | record TestRecord(int b1, byte b2) {} |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 220 | |
| 221 | var decoder = |
| 222 | Decoder.ofStructure( |
| 223 | TestRecord.class, |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 224 | Decoder.ofInt().withByteOrder(LITTLE_ENDIAN), |
| 225 | Decoder.ofByte().withByteOrder(LITTLE_ENDIAN)); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 226 | |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 227 | assertEquals(new TestRecord(0x60, (byte) 0x70), decoder.decode(ByteBuffer.wrap(data))); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 228 | } |
| 229 | |
| 230 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 231 | void paddedStructureLeft() { |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 232 | var data = new byte[] {0x60, 0x00, 0x00, 0x00, 0x70, 0x00, 0x00, 0x00}; |
| 233 | |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 234 | record TestRecord(byte b1, int b2) {} |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 235 | |
| 236 | var decoder = |
| 237 | Decoder.ofStructure( |
| 238 | TestRecord.class, |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 239 | Decoder.ofByte().withByteOrder(LITTLE_ENDIAN), |
| 240 | Decoder.ofInt().withByteOrder(LITTLE_ENDIAN)); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 241 | |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 242 | assertEquals(new TestRecord((byte) 0x60, 0x70), decoder.decode(ByteBuffer.wrap(data))); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 243 | } |
| 244 | |
| 245 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 246 | void simpleStructureArray() { |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 247 | var data = |
| 248 | new byte[] { |
| 249 | 0x60, |
| 250 | 0x00, |
| 251 | 0x00, |
| 252 | 0x00, |
| 253 | 0x70, |
| 254 | 0x00, |
| 255 | 0x00, |
| 256 | 0x00, |
| 257 | (byte) 0x88, |
| 258 | 0x02, |
| 259 | 0x00, |
| 260 | 0x00, |
| 261 | (byte) 0xF7, |
| 262 | 0x00, |
| 263 | 0x00, |
| 264 | 0x00 |
| 265 | }; |
| 266 | |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 267 | record TestRecord(int b1, byte b2) {} |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 268 | |
| 269 | var decoder = |
| 270 | Decoder.ofArray( |
| 271 | Decoder.ofStructure( |
| 272 | TestRecord.class, |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 273 | Decoder.ofInt().withByteOrder(LITTLE_ENDIAN), |
| 274 | Decoder.ofByte().withByteOrder(LITTLE_ENDIAN))); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 275 | |
| 276 | assertEquals( |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 277 | List.of(new TestRecord(96, (byte) 0x70), new TestRecord(648, (byte) 0xf7)), |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 278 | decoder.decode(ByteBuffer.wrap(data))); |
| 279 | } |
| 280 | |
| 281 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 282 | void byteArray() { |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 283 | var data = new byte[] {0x04, 0x05, 0x06, 0x07}; |
| 284 | |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 285 | var decoder = Decoder.ofArray(Decoder.ofByte()); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 286 | |
| 287 | assertEquals( |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 288 | List.of((byte) 0x04, (byte) 0x05, (byte) 0x06, (byte) 0x07), |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 289 | decoder.decode(ByteBuffer.wrap(data))); |
| 290 | } |
| 291 | |
| 292 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 293 | void primitiveByteArray() { |
Matthias Andreas Benkard | 4e8423d | 2021-12-19 22:56:09 +0100 | [diff] [blame] | 294 | var data = new byte[] {0x04, 0x05, 0x06, 0x07}; |
| 295 | |
| 296 | var decoder = Decoder.ofByteArray(); |
| 297 | |
| 298 | assertArrayEquals(data, decoder.decode(ByteBuffer.wrap(data))); |
| 299 | } |
| 300 | |
| 301 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 302 | void primitiveByteArrayRecord() { |
Matthias Andreas Benkard | 4e8423d | 2021-12-19 22:56:09 +0100 | [diff] [blame] | 303 | var data = new byte[] {0x04, 0x05, 0x06, 0x07}; |
| 304 | |
| 305 | record TestRecord(byte[] bytes) {} |
| 306 | |
| 307 | var decoder = Decoder.ofStructure(TestRecord.class, Decoder.ofByteArray()); |
| 308 | |
| 309 | assertArrayEquals(data, decoder.decode(ByteBuffer.wrap(data)).bytes()); |
| 310 | } |
| 311 | |
| 312 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 313 | void integerArray() { |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 314 | var data = new byte[] {0x04, 0x00, 0x00, 0x00, 0x02, 0x01, 0x00, 0x00}; |
| 315 | |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 316 | var decoder = Decoder.ofArray(Decoder.ofInt().withByteOrder(LITTLE_ENDIAN)); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 317 | |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 318 | assertEquals(List.of(4, 258), decoder.decode(ByteBuffer.wrap(data))); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 319 | } |
| 320 | |
| 321 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 322 | void dictionaryEntryAsMapEntry() { |
Matthias Andreas Benkard | cd924f6 | 2021-12-28 00:46:06 +0100 | [diff] [blame] | 323 | var data = |
| 324 | new byte[] {0x61, 0x20, 0x6B, 0x65, 0x79, 0x00, 0x00, 0x00, 0x02, 0x02, 0x00, 0x00, 0x06}; |
| 325 | |
| 326 | var decoder = |
| 327 | Decoder.ofDictionaryEntry( |
| 328 | Decoder.ofString(UTF_8), Decoder.ofInt().withByteOrder(LITTLE_ENDIAN)); |
| 329 | assertEquals(Map.entry("a key", 514), decoder.decode(ByteBuffer.wrap(data))); |
| 330 | } |
| 331 | |
| 332 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 333 | void dictionaryEntryAsRecord() { |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 334 | var data = |
| 335 | new byte[] {0x61, 0x20, 0x6B, 0x65, 0x79, 0x00, 0x00, 0x00, 0x02, 0x02, 0x00, 0x00, 0x06}; |
| 336 | |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 337 | record TestEntry(String key, int value) {} |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 338 | |
| 339 | var decoder = |
| 340 | Decoder.ofStructure( |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 341 | TestEntry.class, Decoder.ofString(UTF_8), Decoder.ofInt().withByteOrder(LITTLE_ENDIAN)); |
| 342 | assertEquals(new TestEntry("a key", 514), decoder.decode(ByteBuffer.wrap(data))); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 343 | } |
Matthias Andreas Benkard | e5a5c75 | 2021-12-15 19:53:55 +0100 | [diff] [blame] | 344 | |
| 345 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 346 | void paddedPrimitives() { |
Matthias Andreas Benkard | e5a5c75 | 2021-12-15 19:53:55 +0100 | [diff] [blame] | 347 | var data = |
| 348 | new byte[] { |
| 349 | 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 350 | 0x00, 0x40, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 |
| 351 | }; |
| 352 | |
| 353 | record TestRecord(short s, long l, double d) {} |
| 354 | |
| 355 | var decoder = |
| 356 | Decoder.ofStructure( |
| 357 | TestRecord.class, |
| 358 | Decoder.ofShort().withByteOrder(BIG_ENDIAN), |
| 359 | Decoder.ofLong().withByteOrder(LITTLE_ENDIAN), |
| 360 | Decoder.ofDouble()); |
| 361 | assertEquals(new TestRecord((short) 1, 2, 3.25), decoder.decode(ByteBuffer.wrap(data))); |
| 362 | } |
| 363 | |
| 364 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 365 | void embeddedMaybe() { |
Matthias Andreas Benkard | e5a5c75 | 2021-12-15 19:53:55 +0100 | [diff] [blame] | 366 | var data = new byte[] {0x01, 0x01}; |
| 367 | |
| 368 | record TestRecord(Optional<Byte> set, Optional<Byte> unset) {} |
| 369 | |
| 370 | var decoder = |
| 371 | Decoder.ofStructure( |
| 372 | TestRecord.class, Decoder.ofMaybe(Decoder.ofByte()), Decoder.ofMaybe(Decoder.ofByte())); |
| 373 | assertEquals( |
| 374 | new TestRecord(Optional.of((byte) 1), Optional.empty()), |
| 375 | decoder.decode(ByteBuffer.wrap(data))); |
| 376 | } |
| 377 | |
| 378 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 379 | void recordComponentMismatch() { |
Matthias Andreas Benkard | e5a5c75 | 2021-12-15 19:53:55 +0100 | [diff] [blame] | 380 | record TestRecord(Optional<Byte> set) {} |
| 381 | |
| 382 | var maybeDecoder = Decoder.ofMaybe(Decoder.ofByte()); |
| 383 | assertThrows( |
| 384 | IllegalArgumentException.class, |
| 385 | () -> Decoder.ofStructure(TestRecord.class, maybeDecoder, maybeDecoder)); |
| 386 | } |
| 387 | |
| 388 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 389 | void trivialRecord() { |
Matthias Andreas Benkard | e5a5c75 | 2021-12-15 19:53:55 +0100 | [diff] [blame] | 390 | var data = new byte[] {0x00}; |
| 391 | |
| 392 | record TestRecord() {} |
| 393 | |
| 394 | var decoder = Decoder.ofStructure(TestRecord.class); |
| 395 | assertEquals(new TestRecord(), decoder.decode(ByteBuffer.wrap(data))); |
| 396 | } |
| 397 | |
| 398 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 399 | void twoElementTrivialRecordArray() { |
Matthias Andreas Benkard | e5a5c75 | 2021-12-15 19:53:55 +0100 | [diff] [blame] | 400 | var data = new byte[] {0x00, 0x00}; |
| 401 | |
| 402 | record TestRecord() {} |
| 403 | |
| 404 | var decoder = Decoder.ofArray(Decoder.ofStructure(TestRecord.class)); |
| 405 | assertEquals( |
| 406 | List.of(new TestRecord(), new TestRecord()), decoder.decode(ByteBuffer.wrap(data))); |
| 407 | } |
| 408 | |
| 409 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 410 | void singletonTrivialRecordArray() { |
Matthias Andreas Benkard | e5a5c75 | 2021-12-15 19:53:55 +0100 | [diff] [blame] | 411 | var data = new byte[] {0x00}; |
| 412 | |
| 413 | record TestRecord() {} |
| 414 | |
| 415 | var decoder = Decoder.ofArray(Decoder.ofStructure(TestRecord.class)); |
| 416 | assertEquals(List.of(new TestRecord()), decoder.decode(ByteBuffer.wrap(data))); |
| 417 | } |
| 418 | |
| 419 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 420 | void emptyTrivialRecordArray() { |
Matthias Andreas Benkard | e5a5c75 | 2021-12-15 19:53:55 +0100 | [diff] [blame] | 421 | var data = new byte[] {}; |
| 422 | |
| 423 | record TestRecord() {} |
| 424 | |
| 425 | var decoder = Decoder.ofArray(Decoder.ofStructure(TestRecord.class)); |
| 426 | assertEquals(List.of(), decoder.decode(ByteBuffer.wrap(data))); |
| 427 | } |
| 428 | |
| 429 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 430 | void variantArray() { |
Matthias Andreas Benkard | e5a5c75 | 2021-12-15 19:53:55 +0100 | [diff] [blame] | 431 | var data = new byte[] {}; |
| 432 | |
| 433 | record TestRecord() {} |
| 434 | |
| 435 | var decoder = Decoder.ofArray(Decoder.ofStructure(TestRecord.class)); |
| 436 | assertEquals(List.of(), decoder.decode(ByteBuffer.wrap(data))); |
| 437 | } |
| 438 | |
| 439 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 440 | void invalidVariantSignature() { |
Matthias Andreas Benkard | e5a5c75 | 2021-12-15 19:53:55 +0100 | [diff] [blame] | 441 | var data = new byte[] {0x00, 0x00, 0x2E}; |
| 442 | |
| 443 | var decoder = Decoder.ofVariant(); |
| 444 | assertThrows(IllegalArgumentException.class, () -> decoder.decode(ByteBuffer.wrap(data))); |
| 445 | } |
| 446 | |
| 447 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 448 | void missingVariantSignature() { |
Matthias Andreas Benkard | e5a5c75 | 2021-12-15 19:53:55 +0100 | [diff] [blame] | 449 | var data = new byte[] {0x01}; |
| 450 | |
| 451 | var decoder = Decoder.ofVariant(); |
| 452 | assertThrows(IllegalArgumentException.class, () -> decoder.decode(ByteBuffer.wrap(data))); |
| 453 | } |
| 454 | |
| 455 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 456 | void simpleVariantRecord() throws ParseException { |
Matthias Andreas Benkard | e5a5c75 | 2021-12-15 19:53:55 +0100 | [diff] [blame] | 457 | // signature: "(bynqiuxtdsogvmiai)" |
| 458 | var data = |
| 459 | new byte[] { |
| 460 | 0x01, // b |
| 461 | 0x02, // y |
| 462 | 0x00, 0x03, // n |
| 463 | 0x00, 0x04, // q |
| 464 | 0x00, 0x00, // (padding) |
| 465 | 0x00, 0x00, 0x00, 0x05, // i |
| 466 | 0x00, 0x00, 0x00, 0x06, // u |
| 467 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, // x |
| 468 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, // t |
| 469 | 0x40, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // d |
| 470 | 0x68, 0x69, 0x00, // s |
| 471 | 0x68, 0x69, 0x00, // o |
| 472 | 0x68, 0x69, 0x00, // g |
| 473 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // (padding) |
| 474 | 0x00, 0x00, 0x00, 0x09, 0x00, 0x69, // v |
| 475 | 0x00, 0x00, // (padding) |
| 476 | 0x00, 0x00, 0x00, 0x0a, // mi |
| 477 | 0x00, 0x00, 0x00, 0x0b, 0x00, 0x00, 0x00, 0x0c, // ai |
| 478 | 68, 62, 49, 46, 43, // framing offsets |
| 479 | 0x00, 0x28, 0x62, 0x79, 0x6E, 0x71, 0x69, 0x75, 0x78, 0x74, 0x64, 0x73, 0x6F, 0x67, 0x76, |
| 480 | 0x6D, 0x69, 0x61, 0x69, 0x29 |
| 481 | }; |
| 482 | |
| 483 | var decoder = Decoder.ofVariant(); |
| 484 | assertArrayEquals( |
| 485 | new Object[] { |
| 486 | true, |
| 487 | (byte) 2, |
| 488 | (short) 3, |
| 489 | (short) 4, |
| 490 | (int) 5, |
| 491 | (int) 6, |
| 492 | (long) 7, |
| 493 | (long) 8, |
| 494 | (double) 3.25, |
| 495 | "hi", |
| 496 | "hi", |
| 497 | "hi", |
Matthias Andreas Benkard | 31c61e7 | 2021-12-16 20:06:39 +0100 | [diff] [blame] | 498 | new Variant(Signature.parse("i"), 9), |
Matthias Andreas Benkard | e5a5c75 | 2021-12-15 19:53:55 +0100 | [diff] [blame] | 499 | Optional.of(10), |
| 500 | List.of(11, 12) |
| 501 | }, |
Matthias Andreas Benkard | 31c61e7 | 2021-12-16 20:06:39 +0100 | [diff] [blame] | 502 | (Object[]) decoder.decode(ByteBuffer.wrap(data)).value()); |
| 503 | } |
| 504 | |
| 505 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 506 | void signatureString() throws ParseException { |
Matthias Andreas Benkard | 31c61e7 | 2021-12-16 20:06:39 +0100 | [diff] [blame] | 507 | var data = |
| 508 | new byte[] { |
| 509 | 0x28, 0x62, 0x79, 0x6E, 0x71, 0x69, 0x75, 0x78, 0x74, 0x64, 0x73, 0x6F, 0x67, 0x76, 0x6D, |
| 510 | 0x69, 0x61, 0x69, 0x29 |
| 511 | }; |
| 512 | |
| 513 | var signature = Signature.parse(ByteBuffer.wrap(data)); |
| 514 | assertEquals("(bynqiuxtdsogvmiai)", signature.toString()); |
Matthias Andreas Benkard | e5a5c75 | 2021-12-15 19:53:55 +0100 | [diff] [blame] | 515 | } |
Matthias Andreas Benkard | 4e8423d | 2021-12-19 22:56:09 +0100 | [diff] [blame] | 516 | |
| 517 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 518 | void map() { |
Matthias Andreas Benkard | 4e8423d | 2021-12-19 22:56:09 +0100 | [diff] [blame] | 519 | var data = new byte[] {0x0A, 0x0B, 0x0C}; |
Matthias Andreas Benkard | aa11d82 | 2023-12-10 09:20:48 +0100 | [diff] [blame^] | 520 | var decoder = |
| 521 | Decoder.ofByteArray() |
| 522 | .map( |
| 523 | bytes -> bytes.length, |
| 524 | len -> { |
| 525 | throw new UnsupportedOperationException(); |
| 526 | }); |
Matthias Andreas Benkard | 4e8423d | 2021-12-19 22:56:09 +0100 | [diff] [blame] | 527 | assertEquals(3, decoder.decode(ByteBuffer.wrap(data))); |
| 528 | } |
Matthias Andreas Benkard | 44df94e | 2021-12-30 18:43:33 +0100 | [diff] [blame] | 529 | |
| 530 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 531 | void contramap() { |
Matthias Andreas Benkard | 44df94e | 2021-12-30 18:43:33 +0100 | [diff] [blame] | 532 | var data = new byte[] {0x0A, 0x0B, 0x0C}; |
Matthias Andreas Benkard | aa11d82 | 2023-12-10 09:20:48 +0100 | [diff] [blame^] | 533 | var decoder = |
| 534 | Decoder.ofByteArray() |
| 535 | .contramap( |
| 536 | bytes -> bytes.slice(1, 1), |
| 537 | bytes -> { |
| 538 | throw new UnsupportedOperationException(); |
| 539 | }); |
Matthias Andreas Benkard | 44df94e | 2021-12-30 18:43:33 +0100 | [diff] [blame] | 540 | assertArrayEquals(new byte[] {0x0B}, decoder.decode(ByteBuffer.wrap(data))); |
| 541 | } |
| 542 | |
| 543 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 544 | void predicateTrue() { |
Matthias Andreas Benkard | 44df94e | 2021-12-30 18:43:33 +0100 | [diff] [blame] | 545 | var data = new byte[] {0x00, 0x01, 0x00}; |
Matthias Andreas Benkard | aa11d82 | 2023-12-10 09:20:48 +0100 | [diff] [blame^] | 546 | var innerDecoder = |
| 547 | Decoder.ofShort() |
| 548 | .contramap( |
| 549 | bytes -> bytes.slice(1, 2).order(bytes.order()), |
| 550 | bytes -> { |
| 551 | throw new UnsupportedOperationException(); |
| 552 | }); |
Matthias Andreas Benkard | 44df94e | 2021-12-30 18:43:33 +0100 | [diff] [blame] | 553 | var decoder = |
| 554 | Decoder.ofPredicate( |
| 555 | byteBuffer -> byteBuffer.get(0) == 0, |
| 556 | innerDecoder.withByteOrder(LITTLE_ENDIAN), |
| 557 | innerDecoder.withByteOrder(BIG_ENDIAN)); |
| 558 | assertEquals((short) 1, decoder.decode(ByteBuffer.wrap(data))); |
| 559 | } |
| 560 | |
| 561 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 562 | void predicateFalse() { |
Matthias Andreas Benkard | 44df94e | 2021-12-30 18:43:33 +0100 | [diff] [blame] | 563 | var data = new byte[] {0x01, 0x01, 0x00}; |
Matthias Andreas Benkard | aa11d82 | 2023-12-10 09:20:48 +0100 | [diff] [blame^] | 564 | var innerDecoder = |
| 565 | Decoder.ofShort() |
| 566 | .contramap( |
| 567 | bytes -> bytes.slice(1, 2).order(bytes.order()), |
| 568 | bytes -> { |
| 569 | throw new UnsupportedOperationException(); |
| 570 | }); |
Matthias Andreas Benkard | 44df94e | 2021-12-30 18:43:33 +0100 | [diff] [blame] | 571 | var decoder = |
| 572 | Decoder.ofPredicate( |
| 573 | byteBuffer -> byteBuffer.get(0) == 0, |
| 574 | innerDecoder.withByteOrder(LITTLE_ENDIAN), |
| 575 | innerDecoder.withByteOrder(BIG_ENDIAN)); |
| 576 | assertEquals((short) 256, decoder.decode(ByteBuffer.wrap(data))); |
| 577 | } |
| 578 | |
| 579 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 580 | void byteOrder() { |
Matthias Andreas Benkard | 44df94e | 2021-12-30 18:43:33 +0100 | [diff] [blame] | 581 | var data = |
| 582 | new byte[] { |
| 583 | 0x01, 0x00, 0x02, 0x00, 0x00, 0x03, 0x00, 0x04, 0x05, 0x00, 0x00, 0x06, 0x00, 0x07, 0x08, |
| 584 | 0x00 |
| 585 | }; |
| 586 | |
| 587 | record TestChild(short s1, short s2) {} |
| 588 | record TestParent(TestChild tc1, TestChild tc2, TestChild tc3, TestChild tc4) {} |
| 589 | |
| 590 | var decoder = |
| 591 | Decoder.ofStructure( |
| 592 | TestParent.class, |
| 593 | Decoder.ofStructure(TestChild.class, Decoder.ofShort(), Decoder.ofShort()) |
| 594 | .withByteOrder(LITTLE_ENDIAN), |
| 595 | Decoder.ofStructure(TestChild.class, Decoder.ofShort(), Decoder.ofShort()) |
| 596 | .withByteOrder(BIG_ENDIAN), |
| 597 | Decoder.ofStructure( |
| 598 | TestChild.class, |
| 599 | Decoder.ofShort().withByteOrder(LITTLE_ENDIAN), |
| 600 | Decoder.ofShort()) |
| 601 | .withByteOrder(BIG_ENDIAN), |
| 602 | Decoder.ofStructure( |
| 603 | TestChild.class, Decoder.ofShort().withByteOrder(BIG_ENDIAN), Decoder.ofShort()) |
| 604 | .withByteOrder(LITTLE_ENDIAN)); |
| 605 | |
| 606 | assertEquals( |
| 607 | new TestParent( |
| 608 | new TestChild((short) 1, (short) 2), |
| 609 | new TestChild((short) 3, (short) 4), |
| 610 | new TestChild((short) 5, (short) 6), |
| 611 | new TestChild((short) 7, (short) 8)), |
| 612 | decoder.decode(ByteBuffer.wrap(data))); |
| 613 | } |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 614 | } |