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