Sergey Mashkov | 86f7061 | 2017-07-25 10:59:44 +0300 | [diff] [blame] | 1 | package kotlinx.coroutines.experimental.io |
| 2 | |
Roman Elizarov | 9fe5f46 | 2018-02-21 19:05:52 +0300 | [diff] [blame] | 3 | import kotlinx.coroutines.experimental.* |
| 4 | import org.junit.* |
Roman Elizarov | 96d7a88 | 2017-08-30 15:17:05 +0300 | [diff] [blame] | 5 | import org.junit.Test |
Roman Elizarov | 9fe5f46 | 2018-02-21 19:05:52 +0300 | [diff] [blame] | 6 | import org.junit.rules.* |
| 7 | import java.util.concurrent.* |
| 8 | import kotlin.coroutines.experimental.* |
| 9 | import kotlin.test.* |
Sergey Mashkov | 86f7061 | 2017-07-25 10:59:44 +0300 | [diff] [blame] | 10 | |
| 11 | class StringScenarioTest : TestBase() { |
Sergey Mashkov | a9a936d | 2017-08-23 14:39:41 +0300 | [diff] [blame] | 12 | @get:Rule |
| 13 | val timeout = Timeout(10L, TimeUnit.SECONDS) |
| 14 | |
Sergey Mashkov | 86f7061 | 2017-07-25 10:59:44 +0300 | [diff] [blame] | 15 | private val ch = ByteBufferChannel(autoFlush = true) |
| 16 | |
| 17 | @Test |
| 18 | fun testWriteCharByChar() { |
| 19 | runBlocking { |
| 20 | expect(1) |
| 21 | |
| 22 | launch(coroutineContext) { |
| 23 | ch.writeStringUtf8("A") |
| 24 | expect(3) |
| 25 | yield() |
| 26 | |
| 27 | expect(5) |
| 28 | ch.writeStringUtf8("B") |
| 29 | expect(6) |
| 30 | yield() |
| 31 | |
| 32 | expect(7) |
| 33 | ch.writeStringUtf8("\n") |
| 34 | expect(8) |
| 35 | yield() |
| 36 | } |
| 37 | |
| 38 | expect(2) |
| 39 | yield() |
| 40 | |
| 41 | expect(4) |
| 42 | val line = ch.readUTF8Line() |
| 43 | |
| 44 | assertEquals("AB", line) |
| 45 | expect(9) |
| 46 | |
| 47 | yield() |
| 48 | expect(10) |
| 49 | finish(11) |
| 50 | } |
| 51 | } |
| 52 | |
| 53 | @Test |
| 54 | fun testSplitUtf8() { |
| 55 | runBlocking { |
| 56 | val sb = StringBuilder() |
| 57 | |
| 58 | expect(1) |
| 59 | |
| 60 | launch(coroutineContext) { |
| 61 | expect(2) |
| 62 | val b = byteArrayOf(0xd0.toByte(), 0x9a.toByte(), 0x0a) |
| 63 | ch.writeFully(b, 0, 1) |
| 64 | yield() |
| 65 | |
| 66 | expect(3) |
| 67 | assertTrue { sb.isEmpty() } |
| 68 | |
| 69 | ch.writeFully(b, 1, 1) |
| 70 | yield() |
| 71 | |
| 72 | expect(4) |
| 73 | assertEquals("\u041a", sb.toString()) |
| 74 | |
| 75 | ch.writeFully(b, 2, 1) |
| 76 | yield() |
| 77 | } |
| 78 | |
| 79 | ch.readUTF8LineTo(sb) |
| 80 | expect(5) |
| 81 | |
| 82 | assertEquals("\u041a", sb.toString()) |
| 83 | |
| 84 | finish(6) |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | @Test |
| 89 | fun testSplitLineDelimiter() = runBlocking { |
| 90 | expect(1) |
| 91 | |
| 92 | launch(coroutineContext) { |
| 93 | expect(2) |
| 94 | ch.writeFully("ABC\r".toByteArray()) |
| 95 | expect(3) |
| 96 | yield() |
| 97 | |
| 98 | expect(5) |
| 99 | ch.writeFully("\n".toByteArray()) |
| 100 | yield() |
| 101 | } |
| 102 | |
| 103 | yield() |
| 104 | |
| 105 | expect(4) |
| 106 | val line = ch.readASCIILine() |
| 107 | expect(6) |
| 108 | |
| 109 | assertEquals("ABC", line) |
| 110 | |
| 111 | finish(7) |
| 112 | } |
| 113 | |
| 114 | @Test |
| 115 | fun testReadTailWriteFirst() = runBlocking { |
| 116 | expect(1) |
| 117 | |
| 118 | launch(coroutineContext) { |
| 119 | expect(2) |
| 120 | |
| 121 | ch.writeFully("ABC".toByteArray()) |
| 122 | |
| 123 | yield() |
| 124 | |
| 125 | expect(4) |
| 126 | ch.close() |
| 127 | yield() |
| 128 | } |
| 129 | |
| 130 | yield() |
| 131 | |
| 132 | expect(3) |
| 133 | |
| 134 | val line = ch.readUTF8Line() |
| 135 | expect(5) |
| 136 | assertEquals("ABC", line) |
| 137 | |
| 138 | finish(6) |
| 139 | } |
| 140 | |
| 141 | @Test |
| 142 | fun testReadTailReadFirst() = runBlocking { |
| 143 | expect(1) |
| 144 | |
| 145 | launch(coroutineContext) { |
| 146 | expect(3) |
| 147 | |
| 148 | ch.writeFully("ABC".toByteArray()) |
| 149 | |
| 150 | yield() |
| 151 | |
| 152 | expect(4) |
| 153 | ch.close() |
| 154 | yield() |
| 155 | } |
| 156 | |
| 157 | expect(2) |
| 158 | |
| 159 | val line = ch.readUTF8Line() |
| 160 | expect(5) |
| 161 | assertEquals("ABC", line) |
| 162 | |
| 163 | finish(6) |
| 164 | } |
| 165 | |
| 166 | @Test |
| 167 | fun testReadThroughWrap() = runBlocking { |
| 168 | val L = ".".repeat(128) |
| 169 | |
| 170 | expect(1) |
| 171 | |
| 172 | launch(coroutineContext) { |
| 173 | expect(2) |
| 174 | |
| 175 | ch.writeFully(ByteArray(4000)) |
| 176 | |
| 177 | expect(3) |
| 178 | ch.readFully(ByteArray(3999)) // keep one byte remaining to keep buffer unreleased |
| 179 | |
| 180 | expect(4) |
| 181 | |
| 182 | ch.writeFully(L.toByteArray()) |
| 183 | |
| 184 | expect(5) |
| 185 | ch.close() |
| 186 | } |
| 187 | |
| 188 | yield() |
| 189 | |
| 190 | expect(6) |
| 191 | |
| 192 | ch.readByte() |
| 193 | expect(7) |
| 194 | |
| 195 | val line = ch.readUTF8Line() |
| 196 | |
| 197 | finish(8) |
| 198 | |
| 199 | assertEquals(L, line) |
| 200 | } |
| 201 | |
| 202 | @Test |
| 203 | fun testReadShifted() = runBlocking { |
| 204 | val L = ".".repeat(127) + "\n" |
| 205 | var base = 0 |
| 206 | |
| 207 | for (shift in 1..4096 - 8) { |
| 208 | expect(base + 1) |
| 209 | |
| 210 | launch(coroutineContext) { |
| 211 | expect(base + 2) |
| 212 | |
| 213 | ch.writeFully(ByteArray(shift)) |
| 214 | |
| 215 | expect(base + 3) |
| 216 | ch.readFully(ByteArray(shift - 1)) // keep one byte remaining to keep buffer unreleased |
| 217 | |
| 218 | expect(base + 4) |
| 219 | |
| 220 | ch.writeFully(L.toByteArray()) |
| 221 | |
| 222 | expect(base + 5) |
| 223 | } |
| 224 | |
| 225 | yield() |
| 226 | |
| 227 | expect(base + 6) |
| 228 | |
| 229 | ch.readByte() |
| 230 | expect(base + 7) |
| 231 | |
| 232 | val line = ch.readUTF8Line() |
| 233 | |
| 234 | expect(base + 8) |
| 235 | |
| 236 | assertEquals(L.dropLast(1), line) |
| 237 | |
| 238 | base += 8 |
| 239 | } |
| 240 | |
| 241 | finish(base + 1) |
| 242 | } |
| 243 | |
| 244 | @Test |
| 245 | fun writeLongLine() = runBlocking { |
| 246 | val L = ".".repeat(16384) |
| 247 | |
| 248 | expect(1) |
| 249 | |
| 250 | launch(coroutineContext) { |
| 251 | expect(2) |
| 252 | |
| 253 | ch.writeFully(L.toByteArray()) |
| 254 | |
| 255 | expect(4) |
| 256 | ch.close() |
| 257 | } |
| 258 | |
| 259 | yield() |
| 260 | |
| 261 | expect(3) |
| 262 | val line = ch.readUTF8Line() |
| 263 | |
| 264 | expect(5) |
| 265 | |
| 266 | assertEquals(L, line) |
| 267 | |
| 268 | finish(6) |
| 269 | } |
| 270 | } |