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 | e9440b5 | 2023-12-10 15:28:16 +0100 | [diff] [blame^] | 17 | import java.util.*; |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 18 | import org.junit.jupiter.api.Test; |
| 19 | |
| 20 | /** |
| 21 | * Tests based on the examples given in <a |
| 22 | * href="https://people.gnome.org/~desrt/gvariant-serialisation.pdf">~desrt/gvariant-serialisation.pdf</a>. |
| 23 | */ |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 24 | @SuppressWarnings({ |
Matthias Andreas Benkard | e9440b5 | 2023-12-10 15:28:16 +0100 | [diff] [blame^] | 25 | "ByteBufferBackingArray", |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 26 | "ImmutableListOf", |
| 27 | "ImmutableListOf1", |
| 28 | "ImmutableListOf2", |
| 29 | "ImmutableListOf3", |
| 30 | "ImmutableListOf4", |
| 31 | "ImmutableListOf5", |
Matthias Andreas Benkard | e9440b5 | 2023-12-10 15:28:16 +0100 | [diff] [blame^] | 32 | "ImmutableMapOf2", |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 33 | }) |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 34 | class DecoderTest { |
| 35 | |
| 36 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 37 | void string() { |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 38 | 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] | 39 | var decoder = Decoder.ofString(UTF_8); |
| 40 | assertEquals("hello world", decoder.decode(ByteBuffer.wrap(data))); |
Matthias Andreas Benkard | e9440b5 | 2023-12-10 15:28:16 +0100 | [diff] [blame^] | 41 | |
| 42 | var roundtripData = decoder.encode("hello world"); |
| 43 | assertArrayEquals(data, roundtripData.array()); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 44 | } |
| 45 | |
| 46 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 47 | void maybe() { |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 48 | var data = |
| 49 | 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] | 50 | var decoder = Decoder.ofMaybe(Decoder.ofString(UTF_8)); |
| 51 | assertEquals(Optional.of("hello world"), decoder.decode(ByteBuffer.wrap(data))); |
Matthias Andreas Benkard | e9440b5 | 2023-12-10 15:28:16 +0100 | [diff] [blame^] | 52 | |
| 53 | var roundtripData = decoder.encode(Optional.of("hello world")); |
| 54 | assertArrayEquals(data, roundtripData.array()); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 55 | } |
| 56 | |
| 57 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 58 | void booleanArray() { |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 59 | var data = new byte[] {0x01, 0x00, 0x00, 0x01, 0x01}; |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 60 | var decoder = Decoder.ofArray(Decoder.ofBoolean()); |
| 61 | assertEquals(List.of(true, false, false, true, true), decoder.decode(ByteBuffer.wrap(data))); |
Matthias Andreas Benkard | e9440b5 | 2023-12-10 15:28:16 +0100 | [diff] [blame^] | 62 | |
| 63 | var roundtripData = decoder.encode(List.of(true, false, false, true, true)); |
| 64 | assertArrayEquals(data, roundtripData.array()); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 65 | } |
| 66 | |
| 67 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 68 | void structure() { |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 69 | var data = |
| 70 | new byte[] { |
| 71 | 0x66, 0x6F, 0x6F, 0x00, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, 0x04 |
| 72 | }; |
| 73 | |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 74 | record TestRecord(String s, int i) {} |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 75 | |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 76 | var decoder = Decoder.ofStructure(TestRecord.class, Decoder.ofString(UTF_8), Decoder.ofInt()); |
| 77 | assertEquals(new TestRecord("foo", -1), decoder.decode(ByteBuffer.wrap(data))); |
Matthias Andreas Benkard | e9440b5 | 2023-12-10 15:28:16 +0100 | [diff] [blame^] | 78 | |
| 79 | var roundtripData = decoder.encode(new TestRecord("foo", -1)); |
| 80 | assertArrayEquals(data, roundtripData.array()); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 81 | } |
| 82 | |
| 83 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 84 | void complexStructureArray() { |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 85 | var data = |
| 86 | new byte[] { |
| 87 | 0x68, |
| 88 | 0x69, |
| 89 | 0x00, |
| 90 | 0x00, |
| 91 | (byte) 0xfe, |
| 92 | (byte) 0xff, |
| 93 | (byte) 0xff, |
| 94 | (byte) 0xff, |
| 95 | 0x03, |
| 96 | 0x00, |
| 97 | 0x00, |
| 98 | 0x00, |
| 99 | 0x62, |
| 100 | 0x79, |
| 101 | 0x65, |
| 102 | 0x00, |
| 103 | (byte) 0xff, |
| 104 | (byte) 0xff, |
| 105 | (byte) 0xff, |
| 106 | (byte) 0xff, |
| 107 | 0x04, |
| 108 | 0x09, |
| 109 | 0x15 |
| 110 | }; |
| 111 | |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 112 | record TestRecord(String s, int i) {} |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 113 | |
| 114 | var decoder = |
| 115 | Decoder.ofArray( |
| 116 | Decoder.ofStructure( |
| 117 | TestRecord.class, |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 118 | Decoder.ofString(UTF_8), |
| 119 | Decoder.ofInt().withByteOrder(LITTLE_ENDIAN))); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 120 | assertEquals( |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 121 | List.of(new TestRecord("hi", -2), new TestRecord("bye", -1)), |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 122 | decoder.decode(ByteBuffer.wrap(data))); |
Matthias Andreas Benkard | e9440b5 | 2023-12-10 15:28:16 +0100 | [diff] [blame^] | 123 | |
| 124 | var roundtripData = |
| 125 | decoder.encode(List.of(new TestRecord("hi", -2), new TestRecord("bye", -1))); |
| 126 | assertArrayEquals(data, roundtripData.array()); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 127 | } |
| 128 | |
| 129 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 130 | void dictionary() { |
Matthias Andreas Benkard | 9a6c8ed | 2021-12-28 01:00:22 +0100 | [diff] [blame] | 131 | var data = |
| 132 | new byte[] { |
| 133 | 0x68, |
| 134 | 0x69, |
| 135 | 0x00, |
| 136 | 0x00, |
| 137 | (byte) 0xfe, |
| 138 | (byte) 0xff, |
| 139 | (byte) 0xff, |
| 140 | (byte) 0xff, |
| 141 | 0x03, |
| 142 | 0x00, |
| 143 | 0x00, |
| 144 | 0x00, |
| 145 | 0x62, |
| 146 | 0x79, |
| 147 | 0x65, |
| 148 | 0x00, |
| 149 | (byte) 0xff, |
| 150 | (byte) 0xff, |
| 151 | (byte) 0xff, |
| 152 | (byte) 0xff, |
| 153 | 0x04, |
| 154 | 0x09, |
| 155 | 0x15 |
| 156 | }; |
| 157 | |
| 158 | var decoder = |
| 159 | Decoder.ofDictionary(Decoder.ofString(UTF_8), Decoder.ofInt().withByteOrder(LITTLE_ENDIAN)); |
| 160 | assertEquals(Map.of("hi", -2, "bye", -1), decoder.decode(ByteBuffer.wrap(data))); |
Matthias Andreas Benkard | e9440b5 | 2023-12-10 15:28:16 +0100 | [diff] [blame^] | 161 | |
| 162 | var entity = new LinkedHashMap<String, Integer>(); |
| 163 | entity.put("hi", -2); |
| 164 | entity.put("bye", -1); |
| 165 | var roundtripData = decoder.encode(entity); |
| 166 | System.out.println(HexFormat.of().formatHex(roundtripData.array())); |
| 167 | assertArrayEquals(data, roundtripData.array()); |
Matthias Andreas Benkard | 9a6c8ed | 2021-12-28 01:00:22 +0100 | [diff] [blame] | 168 | } |
| 169 | |
| 170 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 171 | void stringArray() { |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 172 | var data = |
| 173 | new byte[] { |
| 174 | 0x69, 0x00, 0x63, 0x61, 0x6E, 0x00, 0x68, 0x61, 0x73, 0x00, 0x73, 0x74, 0x72, 0x69, 0x6E, |
| 175 | 0x67, 0x73, 0x3F, 0x00, 0x02, 0x06, 0x0a, 0x13 |
| 176 | }; |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 177 | var decoder = Decoder.ofArray(Decoder.ofString(UTF_8)); |
| 178 | assertEquals(List.of("i", "can", "has", "strings?"), decoder.decode(ByteBuffer.wrap(data))); |
Matthias Andreas Benkard | e9440b5 | 2023-12-10 15:28:16 +0100 | [diff] [blame^] | 179 | |
| 180 | var roundtripData = decoder.encode(List.of("i", "can", "has", "strings?")); |
| 181 | assertArrayEquals(data, roundtripData.array()); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 182 | } |
| 183 | |
| 184 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 185 | void nestedStructure() { |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 186 | var data = |
| 187 | new byte[] { |
| 188 | 0x69, 0x63, 0x61, 0x6E, 0x00, 0x68, 0x61, 0x73, 0x00, 0x73, 0x74, 0x72, 0x69, 0x6E, 0x67, |
| 189 | 0x73, 0x3F, 0x00, 0x04, 0x0d, 0x05 |
| 190 | }; |
| 191 | |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 192 | record TestChild(byte b, String s) {} |
| 193 | record TestParent(TestChild tc, List<String> as) {} |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 194 | |
| 195 | var decoder = |
| 196 | Decoder.ofStructure( |
| 197 | TestParent.class, |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 198 | Decoder.ofStructure(TestChild.class, Decoder.ofByte(), Decoder.ofString(UTF_8)), |
| 199 | Decoder.ofArray(Decoder.ofString(UTF_8))); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 200 | |
| 201 | assertEquals( |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 202 | new TestParent(new TestChild((byte) 0x69, "can"), List.of("has", "strings?")), |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 203 | decoder.decode(ByteBuffer.wrap(data))); |
Matthias Andreas Benkard | e9440b5 | 2023-12-10 15:28:16 +0100 | [diff] [blame^] | 204 | |
| 205 | var roundtripData = |
| 206 | decoder.encode( |
| 207 | new TestParent(new TestChild((byte) 0x69, "can"), List.of("has", "strings?"))); |
| 208 | assertArrayEquals(data, roundtripData.array()); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 209 | } |
| 210 | |
| 211 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 212 | void nestedStructureVariant() { |
Matthias Andreas Benkard | 55c3481 | 2021-12-14 21:51:10 +0100 | [diff] [blame] | 213 | var data = |
| 214 | new byte[] { |
| 215 | 0x69, 0x63, 0x61, 0x6E, 0x00, 0x68, 0x61, 0x73, 0x00, 0x73, 0x74, 0x72, 0x69, 0x6E, 0x67, |
| 216 | 0x73, 0x3F, 0x00, 0x04, 0x0d, 0x05, 0x00, 0x28, 0x28, 0x79, 0x73, 0x29, 0x61, 0x73, 0x29 |
| 217 | }; |
| 218 | |
| 219 | var decoder = Decoder.ofVariant(); |
Matthias Andreas Benkard | 31c61e7 | 2021-12-16 20:06:39 +0100 | [diff] [blame] | 220 | var variant = decoder.decode(ByteBuffer.wrap(data)); |
| 221 | var result = (Object[]) variant.value(); |
Matthias Andreas Benkard | 55c3481 | 2021-12-14 21:51:10 +0100 | [diff] [blame] | 222 | |
| 223 | assertAll( |
Matthias Andreas Benkard | 31c61e7 | 2021-12-16 20:06:39 +0100 | [diff] [blame] | 224 | () -> assertEquals(Signature.parse("((ys)as)"), variant.signature()), |
Matthias Andreas Benkard | 55c3481 | 2021-12-14 21:51:10 +0100 | [diff] [blame] | 225 | () -> assertEquals(2, result.length), |
| 226 | () -> assertArrayEquals(new Object[] {(byte) 0x69, "can"}, (Object[]) result[0]), |
| 227 | () -> assertEquals(List.of("has", "strings?"), result[1])); |
Matthias Andreas Benkard | e9440b5 | 2023-12-10 15:28:16 +0100 | [diff] [blame^] | 228 | |
| 229 | var roundtripData = decoder.encode(variant); |
| 230 | assertArrayEquals(data, roundtripData.array()); |
Matthias Andreas Benkard | 55c3481 | 2021-12-14 21:51:10 +0100 | [diff] [blame] | 231 | } |
| 232 | |
| 233 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 234 | void simpleStructure() { |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 235 | var data = new byte[] {0x60, 0x70}; |
| 236 | |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 237 | record TestRecord(byte b1, byte b2) {} |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 238 | |
| 239 | var decoder = |
| 240 | Decoder.ofStructure( |
| 241 | TestRecord.class, |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 242 | Decoder.ofByte().withByteOrder(LITTLE_ENDIAN), |
| 243 | Decoder.ofByte().withByteOrder(LITTLE_ENDIAN)); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 244 | |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 245 | assertEquals(new TestRecord((byte) 0x60, (byte) 0x70), decoder.decode(ByteBuffer.wrap(data))); |
Matthias Andreas Benkard | e9440b5 | 2023-12-10 15:28:16 +0100 | [diff] [blame^] | 246 | |
| 247 | var roundtripData = decoder.encode(new TestRecord((byte) 0x60, (byte) 0x70)); |
| 248 | assertArrayEquals(data, roundtripData.array()); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 249 | } |
| 250 | |
| 251 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 252 | void paddedStructureRight() { |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 253 | var data = new byte[] {0x60, 0x00, 0x00, 0x00, 0x70, 0x00, 0x00, 0x00}; |
| 254 | |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 255 | record TestRecord(int b1, byte b2) {} |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 256 | |
| 257 | var decoder = |
| 258 | Decoder.ofStructure( |
| 259 | TestRecord.class, |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 260 | Decoder.ofInt().withByteOrder(LITTLE_ENDIAN), |
| 261 | Decoder.ofByte().withByteOrder(LITTLE_ENDIAN)); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 262 | |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 263 | assertEquals(new TestRecord(0x60, (byte) 0x70), decoder.decode(ByteBuffer.wrap(data))); |
Matthias Andreas Benkard | e9440b5 | 2023-12-10 15:28:16 +0100 | [diff] [blame^] | 264 | |
| 265 | var roundtripData = decoder.encode(new TestRecord(0x60, (byte) 0x70)); |
| 266 | assertArrayEquals(data, roundtripData.array()); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 267 | } |
| 268 | |
| 269 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 270 | void paddedStructureLeft() { |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 271 | var data = new byte[] {0x60, 0x00, 0x00, 0x00, 0x70, 0x00, 0x00, 0x00}; |
| 272 | |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 273 | record TestRecord(byte b1, int b2) {} |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 274 | |
| 275 | var decoder = |
| 276 | Decoder.ofStructure( |
| 277 | TestRecord.class, |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 278 | Decoder.ofByte().withByteOrder(LITTLE_ENDIAN), |
| 279 | Decoder.ofInt().withByteOrder(LITTLE_ENDIAN)); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 280 | |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 281 | assertEquals(new TestRecord((byte) 0x60, 0x70), decoder.decode(ByteBuffer.wrap(data))); |
Matthias Andreas Benkard | e9440b5 | 2023-12-10 15:28:16 +0100 | [diff] [blame^] | 282 | |
| 283 | var roundtripData = decoder.encode(new TestRecord((byte) 0x60, 0x70)); |
| 284 | assertArrayEquals(data, roundtripData.array()); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 285 | } |
| 286 | |
| 287 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 288 | void simpleStructureArray() { |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 289 | var data = |
| 290 | new byte[] { |
| 291 | 0x60, |
| 292 | 0x00, |
| 293 | 0x00, |
| 294 | 0x00, |
| 295 | 0x70, |
| 296 | 0x00, |
| 297 | 0x00, |
| 298 | 0x00, |
| 299 | (byte) 0x88, |
| 300 | 0x02, |
| 301 | 0x00, |
| 302 | 0x00, |
| 303 | (byte) 0xF7, |
| 304 | 0x00, |
| 305 | 0x00, |
| 306 | 0x00 |
| 307 | }; |
| 308 | |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 309 | record TestRecord(int b1, byte b2) {} |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 310 | |
| 311 | var decoder = |
| 312 | Decoder.ofArray( |
| 313 | Decoder.ofStructure( |
| 314 | TestRecord.class, |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 315 | Decoder.ofInt().withByteOrder(LITTLE_ENDIAN), |
| 316 | Decoder.ofByte().withByteOrder(LITTLE_ENDIAN))); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 317 | |
| 318 | assertEquals( |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 319 | 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] | 320 | decoder.decode(ByteBuffer.wrap(data))); |
Matthias Andreas Benkard | e9440b5 | 2023-12-10 15:28:16 +0100 | [diff] [blame^] | 321 | |
| 322 | var roundtripData = |
| 323 | decoder.encode(List.of(new TestRecord(96, (byte) 0x70), new TestRecord(648, (byte) 0xf7))); |
| 324 | assertArrayEquals(data, roundtripData.array()); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 325 | } |
| 326 | |
| 327 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 328 | void byteArray() { |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 329 | var data = new byte[] {0x04, 0x05, 0x06, 0x07}; |
| 330 | |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 331 | var decoder = Decoder.ofArray(Decoder.ofByte()); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 332 | |
| 333 | assertEquals( |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 334 | List.of((byte) 0x04, (byte) 0x05, (byte) 0x06, (byte) 0x07), |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 335 | decoder.decode(ByteBuffer.wrap(data))); |
Matthias Andreas Benkard | e9440b5 | 2023-12-10 15:28:16 +0100 | [diff] [blame^] | 336 | |
| 337 | var roundtripData = decoder.encode(List.of((byte) 0x04, (byte) 0x05, (byte) 0x06, (byte) 0x07)); |
| 338 | assertArrayEquals(data, roundtripData.array()); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 339 | } |
| 340 | |
| 341 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 342 | void primitiveByteArray() { |
Matthias Andreas Benkard | 4e8423d | 2021-12-19 22:56:09 +0100 | [diff] [blame] | 343 | var data = new byte[] {0x04, 0x05, 0x06, 0x07}; |
| 344 | |
| 345 | var decoder = Decoder.ofByteArray(); |
| 346 | |
| 347 | assertArrayEquals(data, decoder.decode(ByteBuffer.wrap(data))); |
Matthias Andreas Benkard | e9440b5 | 2023-12-10 15:28:16 +0100 | [diff] [blame^] | 348 | |
| 349 | var roundtripData = decoder.encode(data); |
| 350 | assertArrayEquals(data, roundtripData.array()); |
Matthias Andreas Benkard | 4e8423d | 2021-12-19 22:56:09 +0100 | [diff] [blame] | 351 | } |
| 352 | |
| 353 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 354 | void primitiveByteArrayRecord() { |
Matthias Andreas Benkard | 4e8423d | 2021-12-19 22:56:09 +0100 | [diff] [blame] | 355 | var data = new byte[] {0x04, 0x05, 0x06, 0x07}; |
| 356 | |
| 357 | record TestRecord(byte[] bytes) {} |
| 358 | |
| 359 | var decoder = Decoder.ofStructure(TestRecord.class, Decoder.ofByteArray()); |
| 360 | |
| 361 | assertArrayEquals(data, decoder.decode(ByteBuffer.wrap(data)).bytes()); |
Matthias Andreas Benkard | e9440b5 | 2023-12-10 15:28:16 +0100 | [diff] [blame^] | 362 | |
| 363 | var roundtripData = decoder.encode(new TestRecord(data)); |
| 364 | assertArrayEquals(data, roundtripData.array()); |
Matthias Andreas Benkard | 4e8423d | 2021-12-19 22:56:09 +0100 | [diff] [blame] | 365 | } |
| 366 | |
| 367 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 368 | void integerArray() { |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 369 | var data = new byte[] {0x04, 0x00, 0x00, 0x00, 0x02, 0x01, 0x00, 0x00}; |
| 370 | |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 371 | var decoder = Decoder.ofArray(Decoder.ofInt().withByteOrder(LITTLE_ENDIAN)); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 372 | |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 373 | assertEquals(List.of(4, 258), decoder.decode(ByteBuffer.wrap(data))); |
Matthias Andreas Benkard | e9440b5 | 2023-12-10 15:28:16 +0100 | [diff] [blame^] | 374 | |
| 375 | var roundtripData = decoder.encode(List.of(4, 258)); |
| 376 | assertArrayEquals(data, roundtripData.array()); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 377 | } |
| 378 | |
| 379 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 380 | void dictionaryEntryAsMapEntry() { |
Matthias Andreas Benkard | cd924f6 | 2021-12-28 00:46:06 +0100 | [diff] [blame] | 381 | var data = |
| 382 | new byte[] {0x61, 0x20, 0x6B, 0x65, 0x79, 0x00, 0x00, 0x00, 0x02, 0x02, 0x00, 0x00, 0x06}; |
| 383 | |
| 384 | var decoder = |
| 385 | Decoder.ofDictionaryEntry( |
| 386 | Decoder.ofString(UTF_8), Decoder.ofInt().withByteOrder(LITTLE_ENDIAN)); |
| 387 | assertEquals(Map.entry("a key", 514), decoder.decode(ByteBuffer.wrap(data))); |
Matthias Andreas Benkard | e9440b5 | 2023-12-10 15:28:16 +0100 | [diff] [blame^] | 388 | |
| 389 | var roundtripData = decoder.encode(Map.entry("a key", 514)); |
| 390 | assertArrayEquals(data, roundtripData.array()); |
Matthias Andreas Benkard | cd924f6 | 2021-12-28 00:46:06 +0100 | [diff] [blame] | 391 | } |
| 392 | |
| 393 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 394 | void dictionaryEntryAsRecord() { |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 395 | var data = |
| 396 | new byte[] {0x61, 0x20, 0x6B, 0x65, 0x79, 0x00, 0x00, 0x00, 0x02, 0x02, 0x00, 0x00, 0x06}; |
| 397 | |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 398 | record TestEntry(String key, int value) {} |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 399 | |
| 400 | var decoder = |
| 401 | Decoder.ofStructure( |
Matthias Andreas Benkard | 35f7a20 | 2021-12-14 19:29:26 +0100 | [diff] [blame] | 402 | TestEntry.class, Decoder.ofString(UTF_8), Decoder.ofInt().withByteOrder(LITTLE_ENDIAN)); |
| 403 | assertEquals(new TestEntry("a key", 514), decoder.decode(ByteBuffer.wrap(data))); |
Matthias Andreas Benkard | e9440b5 | 2023-12-10 15:28:16 +0100 | [diff] [blame^] | 404 | |
| 405 | var roundtripData = decoder.encode(new TestEntry("a key", 514)); |
| 406 | assertArrayEquals(data, roundtripData.array()); |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 407 | } |
Matthias Andreas Benkard | e5a5c75 | 2021-12-15 19:53:55 +0100 | [diff] [blame] | 408 | |
| 409 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 410 | void paddedPrimitives() { |
Matthias Andreas Benkard | e5a5c75 | 2021-12-15 19:53:55 +0100 | [diff] [blame] | 411 | var data = |
| 412 | new byte[] { |
| 413 | 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 414 | 0x00, 0x40, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 |
| 415 | }; |
| 416 | |
| 417 | record TestRecord(short s, long l, double d) {} |
| 418 | |
| 419 | var decoder = |
| 420 | Decoder.ofStructure( |
| 421 | TestRecord.class, |
| 422 | Decoder.ofShort().withByteOrder(BIG_ENDIAN), |
| 423 | Decoder.ofLong().withByteOrder(LITTLE_ENDIAN), |
| 424 | Decoder.ofDouble()); |
| 425 | assertEquals(new TestRecord((short) 1, 2, 3.25), decoder.decode(ByteBuffer.wrap(data))); |
Matthias Andreas Benkard | e9440b5 | 2023-12-10 15:28:16 +0100 | [diff] [blame^] | 426 | |
| 427 | var roundtripData = decoder.encode(new TestRecord((short) 1, 2, 3.25)); |
| 428 | |
| 429 | assertArrayEquals(data, roundtripData.array()); |
Matthias Andreas Benkard | e5a5c75 | 2021-12-15 19:53:55 +0100 | [diff] [blame] | 430 | } |
| 431 | |
| 432 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 433 | void embeddedMaybe() { |
Matthias Andreas Benkard | e5a5c75 | 2021-12-15 19:53:55 +0100 | [diff] [blame] | 434 | var data = new byte[] {0x01, 0x01}; |
| 435 | |
| 436 | record TestRecord(Optional<Byte> set, Optional<Byte> unset) {} |
| 437 | |
| 438 | var decoder = |
| 439 | Decoder.ofStructure( |
| 440 | TestRecord.class, Decoder.ofMaybe(Decoder.ofByte()), Decoder.ofMaybe(Decoder.ofByte())); |
| 441 | assertEquals( |
| 442 | new TestRecord(Optional.of((byte) 1), Optional.empty()), |
| 443 | decoder.decode(ByteBuffer.wrap(data))); |
Matthias Andreas Benkard | e9440b5 | 2023-12-10 15:28:16 +0100 | [diff] [blame^] | 444 | |
| 445 | var roundtripData = decoder.encode(new TestRecord(Optional.of((byte) 1), Optional.empty())); |
| 446 | assertArrayEquals(data, roundtripData.array()); |
Matthias Andreas Benkard | e5a5c75 | 2021-12-15 19:53:55 +0100 | [diff] [blame] | 447 | } |
| 448 | |
| 449 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 450 | void recordComponentMismatch() { |
Matthias Andreas Benkard | e5a5c75 | 2021-12-15 19:53:55 +0100 | [diff] [blame] | 451 | record TestRecord(Optional<Byte> set) {} |
| 452 | |
| 453 | var maybeDecoder = Decoder.ofMaybe(Decoder.ofByte()); |
| 454 | assertThrows( |
| 455 | IllegalArgumentException.class, |
| 456 | () -> Decoder.ofStructure(TestRecord.class, maybeDecoder, maybeDecoder)); |
| 457 | } |
| 458 | |
| 459 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 460 | void trivialRecord() { |
Matthias Andreas Benkard | e5a5c75 | 2021-12-15 19:53:55 +0100 | [diff] [blame] | 461 | var data = new byte[] {0x00}; |
| 462 | |
| 463 | record TestRecord() {} |
| 464 | |
| 465 | var decoder = Decoder.ofStructure(TestRecord.class); |
| 466 | assertEquals(new TestRecord(), decoder.decode(ByteBuffer.wrap(data))); |
Matthias Andreas Benkard | e9440b5 | 2023-12-10 15:28:16 +0100 | [diff] [blame^] | 467 | |
| 468 | var roundtripData = decoder.encode(new TestRecord()); |
| 469 | assertArrayEquals(data, roundtripData.array()); |
Matthias Andreas Benkard | e5a5c75 | 2021-12-15 19:53:55 +0100 | [diff] [blame] | 470 | } |
| 471 | |
| 472 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 473 | void twoElementTrivialRecordArray() { |
Matthias Andreas Benkard | e5a5c75 | 2021-12-15 19:53:55 +0100 | [diff] [blame] | 474 | var data = new byte[] {0x00, 0x00}; |
| 475 | |
| 476 | record TestRecord() {} |
| 477 | |
| 478 | var decoder = Decoder.ofArray(Decoder.ofStructure(TestRecord.class)); |
| 479 | assertEquals( |
| 480 | List.of(new TestRecord(), new TestRecord()), decoder.decode(ByteBuffer.wrap(data))); |
Matthias Andreas Benkard | e9440b5 | 2023-12-10 15:28:16 +0100 | [diff] [blame^] | 481 | |
| 482 | var roundtripData = decoder.encode(List.of(new TestRecord(), new TestRecord())); |
| 483 | assertArrayEquals(data, roundtripData.array()); |
Matthias Andreas Benkard | e5a5c75 | 2021-12-15 19:53:55 +0100 | [diff] [blame] | 484 | } |
| 485 | |
| 486 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 487 | void singletonTrivialRecordArray() { |
Matthias Andreas Benkard | e5a5c75 | 2021-12-15 19:53:55 +0100 | [diff] [blame] | 488 | var data = new byte[] {0x00}; |
| 489 | |
| 490 | record TestRecord() {} |
| 491 | |
| 492 | var decoder = Decoder.ofArray(Decoder.ofStructure(TestRecord.class)); |
| 493 | assertEquals(List.of(new TestRecord()), decoder.decode(ByteBuffer.wrap(data))); |
Matthias Andreas Benkard | e9440b5 | 2023-12-10 15:28:16 +0100 | [diff] [blame^] | 494 | |
| 495 | var roundtripData = decoder.encode(List.of(new TestRecord())); |
| 496 | assertArrayEquals(data, roundtripData.array()); |
Matthias Andreas Benkard | e5a5c75 | 2021-12-15 19:53:55 +0100 | [diff] [blame] | 497 | } |
| 498 | |
| 499 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 500 | void emptyTrivialRecordArray() { |
Matthias Andreas Benkard | e5a5c75 | 2021-12-15 19:53:55 +0100 | [diff] [blame] | 501 | var data = new byte[] {}; |
| 502 | |
| 503 | record TestRecord() {} |
| 504 | |
| 505 | var decoder = Decoder.ofArray(Decoder.ofStructure(TestRecord.class)); |
| 506 | assertEquals(List.of(), decoder.decode(ByteBuffer.wrap(data))); |
Matthias Andreas Benkard | e9440b5 | 2023-12-10 15:28:16 +0100 | [diff] [blame^] | 507 | |
| 508 | var roundtripData = decoder.encode(List.of()); |
| 509 | assertArrayEquals(data, roundtripData.array()); |
Matthias Andreas Benkard | e5a5c75 | 2021-12-15 19:53:55 +0100 | [diff] [blame] | 510 | } |
| 511 | |
| 512 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 513 | void variantArray() { |
Matthias Andreas Benkard | e5a5c75 | 2021-12-15 19:53:55 +0100 | [diff] [blame] | 514 | var data = new byte[] {}; |
| 515 | |
| 516 | record TestRecord() {} |
| 517 | |
| 518 | var decoder = Decoder.ofArray(Decoder.ofStructure(TestRecord.class)); |
| 519 | assertEquals(List.of(), decoder.decode(ByteBuffer.wrap(data))); |
Matthias Andreas Benkard | e9440b5 | 2023-12-10 15:28:16 +0100 | [diff] [blame^] | 520 | |
| 521 | var roundtripData = decoder.encode(List.of()); |
| 522 | assertArrayEquals(data, roundtripData.array()); |
Matthias Andreas Benkard | e5a5c75 | 2021-12-15 19:53:55 +0100 | [diff] [blame] | 523 | } |
| 524 | |
| 525 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 526 | void invalidVariantSignature() { |
Matthias Andreas Benkard | e5a5c75 | 2021-12-15 19:53:55 +0100 | [diff] [blame] | 527 | var data = new byte[] {0x00, 0x00, 0x2E}; |
| 528 | |
| 529 | var decoder = Decoder.ofVariant(); |
| 530 | assertThrows(IllegalArgumentException.class, () -> decoder.decode(ByteBuffer.wrap(data))); |
| 531 | } |
| 532 | |
| 533 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 534 | void missingVariantSignature() { |
Matthias Andreas Benkard | e5a5c75 | 2021-12-15 19:53:55 +0100 | [diff] [blame] | 535 | var data = new byte[] {0x01}; |
| 536 | |
| 537 | var decoder = Decoder.ofVariant(); |
| 538 | assertThrows(IllegalArgumentException.class, () -> decoder.decode(ByteBuffer.wrap(data))); |
| 539 | } |
| 540 | |
| 541 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 542 | void simpleVariantRecord() throws ParseException { |
Matthias Andreas Benkard | e5a5c75 | 2021-12-15 19:53:55 +0100 | [diff] [blame] | 543 | // signature: "(bynqiuxtdsogvmiai)" |
| 544 | var data = |
| 545 | new byte[] { |
| 546 | 0x01, // b |
| 547 | 0x02, // y |
| 548 | 0x00, 0x03, // n |
| 549 | 0x00, 0x04, // q |
| 550 | 0x00, 0x00, // (padding) |
| 551 | 0x00, 0x00, 0x00, 0x05, // i |
| 552 | 0x00, 0x00, 0x00, 0x06, // u |
| 553 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, // x |
| 554 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, // t |
| 555 | 0x40, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // d |
| 556 | 0x68, 0x69, 0x00, // s |
| 557 | 0x68, 0x69, 0x00, // o |
| 558 | 0x68, 0x69, 0x00, // g |
| 559 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // (padding) |
| 560 | 0x00, 0x00, 0x00, 0x09, 0x00, 0x69, // v |
| 561 | 0x00, 0x00, // (padding) |
| 562 | 0x00, 0x00, 0x00, 0x0a, // mi |
| 563 | 0x00, 0x00, 0x00, 0x0b, 0x00, 0x00, 0x00, 0x0c, // ai |
| 564 | 68, 62, 49, 46, 43, // framing offsets |
| 565 | 0x00, 0x28, 0x62, 0x79, 0x6E, 0x71, 0x69, 0x75, 0x78, 0x74, 0x64, 0x73, 0x6F, 0x67, 0x76, |
| 566 | 0x6D, 0x69, 0x61, 0x69, 0x29 |
| 567 | }; |
| 568 | |
| 569 | var decoder = Decoder.ofVariant(); |
| 570 | assertArrayEquals( |
| 571 | new Object[] { |
| 572 | true, |
| 573 | (byte) 2, |
| 574 | (short) 3, |
| 575 | (short) 4, |
| 576 | (int) 5, |
| 577 | (int) 6, |
| 578 | (long) 7, |
| 579 | (long) 8, |
| 580 | (double) 3.25, |
| 581 | "hi", |
| 582 | "hi", |
| 583 | "hi", |
Matthias Andreas Benkard | 31c61e7 | 2021-12-16 20:06:39 +0100 | [diff] [blame] | 584 | new Variant(Signature.parse("i"), 9), |
Matthias Andreas Benkard | e5a5c75 | 2021-12-15 19:53:55 +0100 | [diff] [blame] | 585 | Optional.of(10), |
| 586 | List.of(11, 12) |
| 587 | }, |
Matthias Andreas Benkard | 31c61e7 | 2021-12-16 20:06:39 +0100 | [diff] [blame] | 588 | (Object[]) decoder.decode(ByteBuffer.wrap(data)).value()); |
Matthias Andreas Benkard | e9440b5 | 2023-12-10 15:28:16 +0100 | [diff] [blame^] | 589 | |
| 590 | var roundtripData = decoder.encode(decoder.decode(ByteBuffer.wrap(data))); |
| 591 | assertArrayEquals(data, roundtripData.array()); |
Matthias Andreas Benkard | 31c61e7 | 2021-12-16 20:06:39 +0100 | [diff] [blame] | 592 | } |
| 593 | |
| 594 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 595 | void signatureString() throws ParseException { |
Matthias Andreas Benkard | 31c61e7 | 2021-12-16 20:06:39 +0100 | [diff] [blame] | 596 | var data = |
| 597 | new byte[] { |
| 598 | 0x28, 0x62, 0x79, 0x6E, 0x71, 0x69, 0x75, 0x78, 0x74, 0x64, 0x73, 0x6F, 0x67, 0x76, 0x6D, |
| 599 | 0x69, 0x61, 0x69, 0x29 |
| 600 | }; |
| 601 | |
| 602 | var signature = Signature.parse(ByteBuffer.wrap(data)); |
| 603 | assertEquals("(bynqiuxtdsogvmiai)", signature.toString()); |
Matthias Andreas Benkard | e5a5c75 | 2021-12-15 19:53:55 +0100 | [diff] [blame] | 604 | } |
Matthias Andreas Benkard | 4e8423d | 2021-12-19 22:56:09 +0100 | [diff] [blame] | 605 | |
| 606 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 607 | void map() { |
Matthias Andreas Benkard | 4e8423d | 2021-12-19 22:56:09 +0100 | [diff] [blame] | 608 | var data = new byte[] {0x0A, 0x0B, 0x0C}; |
Matthias Andreas Benkard | aa11d82 | 2023-12-10 09:20:48 +0100 | [diff] [blame] | 609 | var decoder = |
| 610 | Decoder.ofByteArray() |
| 611 | .map( |
| 612 | bytes -> bytes.length, |
| 613 | len -> { |
| 614 | throw new UnsupportedOperationException(); |
| 615 | }); |
Matthias Andreas Benkard | 4e8423d | 2021-12-19 22:56:09 +0100 | [diff] [blame] | 616 | assertEquals(3, decoder.decode(ByteBuffer.wrap(data))); |
| 617 | } |
Matthias Andreas Benkard | 44df94e | 2021-12-30 18:43:33 +0100 | [diff] [blame] | 618 | |
| 619 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 620 | void contramap() { |
Matthias Andreas Benkard | 44df94e | 2021-12-30 18:43:33 +0100 | [diff] [blame] | 621 | var data = new byte[] {0x0A, 0x0B, 0x0C}; |
Matthias Andreas Benkard | aa11d82 | 2023-12-10 09:20:48 +0100 | [diff] [blame] | 622 | var decoder = |
| 623 | Decoder.ofByteArray() |
| 624 | .contramap( |
| 625 | bytes -> bytes.slice(1, 1), |
| 626 | bytes -> { |
| 627 | throw new UnsupportedOperationException(); |
| 628 | }); |
Matthias Andreas Benkard | 44df94e | 2021-12-30 18:43:33 +0100 | [diff] [blame] | 629 | assertArrayEquals(new byte[] {0x0B}, decoder.decode(ByteBuffer.wrap(data))); |
| 630 | } |
| 631 | |
| 632 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 633 | void predicateTrue() { |
Matthias Andreas Benkard | 44df94e | 2021-12-30 18:43:33 +0100 | [diff] [blame] | 634 | var data = new byte[] {0x00, 0x01, 0x00}; |
Matthias Andreas Benkard | aa11d82 | 2023-12-10 09:20:48 +0100 | [diff] [blame] | 635 | var innerDecoder = |
| 636 | Decoder.ofShort() |
| 637 | .contramap( |
| 638 | bytes -> bytes.slice(1, 2).order(bytes.order()), |
| 639 | bytes -> { |
| 640 | throw new UnsupportedOperationException(); |
| 641 | }); |
Matthias Andreas Benkard | 44df94e | 2021-12-30 18:43:33 +0100 | [diff] [blame] | 642 | var decoder = |
| 643 | Decoder.ofPredicate( |
| 644 | byteBuffer -> byteBuffer.get(0) == 0, |
| 645 | innerDecoder.withByteOrder(LITTLE_ENDIAN), |
| 646 | innerDecoder.withByteOrder(BIG_ENDIAN)); |
| 647 | assertEquals((short) 1, decoder.decode(ByteBuffer.wrap(data))); |
| 648 | } |
| 649 | |
| 650 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 651 | void predicateFalse() { |
Matthias Andreas Benkard | 44df94e | 2021-12-30 18:43:33 +0100 | [diff] [blame] | 652 | var data = new byte[] {0x01, 0x01, 0x00}; |
Matthias Andreas Benkard | aa11d82 | 2023-12-10 09:20:48 +0100 | [diff] [blame] | 653 | var innerDecoder = |
| 654 | Decoder.ofShort() |
| 655 | .contramap( |
| 656 | bytes -> bytes.slice(1, 2).order(bytes.order()), |
| 657 | bytes -> { |
| 658 | throw new UnsupportedOperationException(); |
| 659 | }); |
Matthias Andreas Benkard | 44df94e | 2021-12-30 18:43:33 +0100 | [diff] [blame] | 660 | var decoder = |
| 661 | Decoder.ofPredicate( |
| 662 | byteBuffer -> byteBuffer.get(0) == 0, |
| 663 | innerDecoder.withByteOrder(LITTLE_ENDIAN), |
| 664 | innerDecoder.withByteOrder(BIG_ENDIAN)); |
| 665 | assertEquals((short) 256, decoder.decode(ByteBuffer.wrap(data))); |
| 666 | } |
| 667 | |
| 668 | @Test |
Matthias Andreas Benkard | 91dbd74 | 2022-10-17 19:38:56 +0200 | [diff] [blame] | 669 | void byteOrder() { |
Matthias Andreas Benkard | 44df94e | 2021-12-30 18:43:33 +0100 | [diff] [blame] | 670 | var data = |
| 671 | new byte[] { |
| 672 | 0x01, 0x00, 0x02, 0x00, 0x00, 0x03, 0x00, 0x04, 0x05, 0x00, 0x00, 0x06, 0x00, 0x07, 0x08, |
| 673 | 0x00 |
| 674 | }; |
| 675 | |
| 676 | record TestChild(short s1, short s2) {} |
| 677 | record TestParent(TestChild tc1, TestChild tc2, TestChild tc3, TestChild tc4) {} |
| 678 | |
| 679 | var decoder = |
| 680 | Decoder.ofStructure( |
| 681 | TestParent.class, |
| 682 | Decoder.ofStructure(TestChild.class, Decoder.ofShort(), Decoder.ofShort()) |
| 683 | .withByteOrder(LITTLE_ENDIAN), |
| 684 | Decoder.ofStructure(TestChild.class, Decoder.ofShort(), Decoder.ofShort()) |
| 685 | .withByteOrder(BIG_ENDIAN), |
| 686 | Decoder.ofStructure( |
| 687 | TestChild.class, |
| 688 | Decoder.ofShort().withByteOrder(LITTLE_ENDIAN), |
| 689 | Decoder.ofShort()) |
| 690 | .withByteOrder(BIG_ENDIAN), |
| 691 | Decoder.ofStructure( |
| 692 | TestChild.class, Decoder.ofShort().withByteOrder(BIG_ENDIAN), Decoder.ofShort()) |
| 693 | .withByteOrder(LITTLE_ENDIAN)); |
| 694 | |
| 695 | assertEquals( |
| 696 | new TestParent( |
| 697 | new TestChild((short) 1, (short) 2), |
| 698 | new TestChild((short) 3, (short) 4), |
| 699 | new TestChild((short) 5, (short) 6), |
| 700 | new TestChild((short) 7, (short) 8)), |
| 701 | decoder.decode(ByteBuffer.wrap(data))); |
Matthias Andreas Benkard | e9440b5 | 2023-12-10 15:28:16 +0100 | [diff] [blame^] | 702 | |
| 703 | var roundtripData = |
| 704 | decoder.encode( |
| 705 | new TestParent( |
| 706 | new TestChild((short) 1, (short) 2), |
| 707 | new TestChild((short) 3, (short) 4), |
| 708 | new TestChild((short) 5, (short) 6), |
| 709 | new TestChild((short) 7, (short) 8))); |
| 710 | assertArrayEquals(data, roundtripData.array()); |
Matthias Andreas Benkard | 44df94e | 2021-12-30 18:43:33 +0100 | [diff] [blame] | 711 | } |
Matthias Andreas Benkard | 261532a | 2021-12-12 20:09:27 +0100 | [diff] [blame] | 712 | } |