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| 1 dart_library.library('expect', null, /* Imports */[ | |
| 2 'dart_sdk' | |
| 3 ], function(exports, dart_sdk) { | |
| 4 'use strict'; | |
| 5 const core = dart_sdk.core; | |
| 6 const dart = dart_sdk.dart; | |
| 7 const dartx = dart_sdk.dartx; | |
| 8 const expect = Object.create(null); | |
| 9 expect.Expect = class Expect extends core.Object { | |
| 10 static _truncateString(string, start, end, length) { | |
| 11 if (dart.notNull(end) - dart.notNull(start) > dart.notNull(length)) { | |
| 12 end = dart.notNull(start) + dart.notNull(length); | |
| 13 } else if (dart.notNull(end) - dart.notNull(start) < dart.notNull(length))
{ | |
| 14 let overflow = dart.notNull(length) - (dart.notNull(end) - dart.notNull(
start)); | |
| 15 if (overflow > 10) overflow = 10; | |
| 16 start = dart.notNull(start) - ((overflow + 1) / 2)[dartx.truncate](); | |
| 17 end = dart.notNull(end) + (overflow / 2)[dartx.truncate](); | |
| 18 if (dart.notNull(start) < 0) start = 0; | |
| 19 if (dart.notNull(end) > dart.notNull(string[dartx.length])) end = string
[dartx.length]; | |
| 20 } | |
| 21 if (start == 0 && end == string[dartx.length]) return string; | |
| 22 let buf = new core.StringBuffer(); | |
| 23 if (dart.notNull(start) > 0) buf.write("..."); | |
| 24 for (let i = start; dart.notNull(i) < dart.notNull(end); i = dart.notNull(
i) + 1) { | |
| 25 let code = string[dartx.codeUnitAt](i); | |
| 26 if (dart.notNull(code) < 32) { | |
| 27 buf.write("\\x"); | |
| 28 buf.write("0123456789abcdef"[dartx.get]((dart.notNull(code) / 16)[dart
x.truncate]())); | |
| 29 buf.write("0123456789abcdef"[dartx.get](code[dartx['%']](16))); | |
| 30 } else { | |
| 31 buf.writeCharCode(string[dartx.codeUnitAt](i)); | |
| 32 } | |
| 33 } | |
| 34 if (dart.notNull(end) < dart.notNull(string[dartx.length])) buf.write("...
"); | |
| 35 return buf.toString(); | |
| 36 } | |
| 37 static _stringDifference(expected, actual) { | |
| 38 if (dart.notNull(expected[dartx.length]) < 20 && dart.notNull(actual[dartx
.length]) < 20) return null; | |
| 39 for (let i = 0; i < dart.notNull(expected[dartx.length]) && i < dart.notNu
ll(actual[dartx.length]); i++) { | |
| 40 if (expected[dartx.codeUnitAt](i) != actual[dartx.codeUnitAt](i)) { | |
| 41 let start = i; | |
| 42 i++; | |
| 43 while (i < dart.notNull(expected[dartx.length]) && i < dart.notNull(ac
tual[dartx.length])) { | |
| 44 if (expected[dartx.codeUnitAt](i) == actual[dartx.codeUnitAt](i)) br
eak; | |
| 45 i++; | |
| 46 } | |
| 47 let end = i; | |
| 48 let truncExpected = expect.Expect._truncateString(expected, start, end
, 20); | |
| 49 let truncActual = expect.Expect._truncateString(actual, start, end, 20
); | |
| 50 return `at index ${start}: Expected <${truncExpected}>, ` + `Found: <$
{truncActual}>`; | |
| 51 } | |
| 52 } | |
| 53 return null; | |
| 54 } | |
| 55 static equals(expected, actual, reason) { | |
| 56 if (reason === void 0) reason = null; | |
| 57 if (dart.equals(expected, actual)) return; | |
| 58 let msg = expect.Expect._getMessage(reason); | |
| 59 if (typeof expected == 'string' && typeof actual == 'string') { | |
| 60 let stringDifference = expect.Expect._stringDifference(expected, actual)
; | |
| 61 if (stringDifference != null) { | |
| 62 expect.Expect._fail(`Expect.equals(${stringDifference}${msg}) fails.`)
; | |
| 63 } | |
| 64 } | |
| 65 expect.Expect._fail(`Expect.equals(expected: <${expected}>, actual: <${act
ual}>${msg}) fails.`); | |
| 66 } | |
| 67 static isTrue(actual, reason) { | |
| 68 if (reason === void 0) reason = null; | |
| 69 if (dart.notNull(expect._identical(actual, true))) return; | |
| 70 let msg = expect.Expect._getMessage(reason); | |
| 71 expect.Expect._fail(`Expect.isTrue(${actual}${msg}) fails.`); | |
| 72 } | |
| 73 static isFalse(actual, reason) { | |
| 74 if (reason === void 0) reason = null; | |
| 75 if (dart.notNull(expect._identical(actual, false))) return; | |
| 76 let msg = expect.Expect._getMessage(reason); | |
| 77 expect.Expect._fail(`Expect.isFalse(${actual}${msg}) fails.`); | |
| 78 } | |
| 79 static isNull(actual, reason) { | |
| 80 if (reason === void 0) reason = null; | |
| 81 if (null == actual) return; | |
| 82 let msg = expect.Expect._getMessage(reason); | |
| 83 expect.Expect._fail(`Expect.isNull(actual: <${actual}>${msg}) fails.`); | |
| 84 } | |
| 85 static isNotNull(actual, reason) { | |
| 86 if (reason === void 0) reason = null; | |
| 87 if (null != actual) return; | |
| 88 let msg = expect.Expect._getMessage(reason); | |
| 89 expect.Expect._fail(`Expect.isNotNull(actual: <${actual}>${msg}) fails.`); | |
| 90 } | |
| 91 static identical(expected, actual, reason) { | |
| 92 if (reason === void 0) reason = null; | |
| 93 if (dart.notNull(expect._identical(expected, actual))) return; | |
| 94 let msg = expect.Expect._getMessage(reason); | |
| 95 expect.Expect._fail(`Expect.identical(expected: <${expected}>, actual: <${
actual}>${msg}) ` + "fails."); | |
| 96 } | |
| 97 static fail(msg) { | |
| 98 expect.Expect._fail(`Expect.fail('${msg}')`); | |
| 99 } | |
| 100 static approxEquals(expected, actual, tolerance, reason) { | |
| 101 if (tolerance === void 0) tolerance = null; | |
| 102 if (reason === void 0) reason = null; | |
| 103 if (tolerance == null) { | |
| 104 tolerance = (dart.notNull(expected) / 10000.0)[dartx.abs](); | |
| 105 } | |
| 106 if (dart.notNull((dart.notNull(expected) - dart.notNull(actual))[dartx.abs
]()) <= dart.notNull(tolerance)) return; | |
| 107 let msg = expect.Expect._getMessage(reason); | |
| 108 expect.Expect._fail(`Expect.approxEquals(expected:<${expected}>, actual:<$
{actual}>, ` + `tolerance:<${tolerance}>${msg}) fails`); | |
| 109 } | |
| 110 static notEquals(unexpected, actual, reason) { | |
| 111 if (reason === void 0) reason = null; | |
| 112 if (!dart.equals(unexpected, actual)) return; | |
| 113 let msg = expect.Expect._getMessage(reason); | |
| 114 expect.Expect._fail(`Expect.notEquals(unexpected: <${unexpected}>, actual:
<${actual}>${msg}) ` + "fails."); | |
| 115 } | |
| 116 static listEquals(expected, actual, reason) { | |
| 117 if (reason === void 0) reason = null; | |
| 118 let msg = expect.Expect._getMessage(reason); | |
| 119 let n = dart.notNull(expected[dartx.length]) < dart.notNull(actual[dartx.l
ength]) ? expected[dartx.length] : actual[dartx.length]; | |
| 120 for (let i = 0; i < dart.notNull(n); i++) { | |
| 121 if (!dart.equals(expected[dartx.get](i), actual[dartx.get](i))) { | |
| 122 expect.Expect._fail(`Expect.listEquals(at index ${i}, ` + `expected: <
${expected[dartx.get](i)}>, actual: <${actual[dartx.get](i)}>${msg}) fails`); | |
| 123 } | |
| 124 } | |
| 125 if (expected[dartx.length] != actual[dartx.length]) { | |
| 126 expect.Expect._fail('Expect.listEquals(list length, ' + `expected: <${ex
pected[dartx.length]}>, actual: <${actual[dartx.length]}>${msg}) ` + 'fails: Nex
t element <' + `${dart.notNull(expected[dartx.length]) > dart.notNull(n) ? expec
ted[dartx.get](n) : actual[dartx.get](n)}>`); | |
| 127 } | |
| 128 } | |
| 129 static mapEquals(expected, actual, reason) { | |
| 130 if (reason === void 0) reason = null; | |
| 131 let msg = expect.Expect._getMessage(reason); | |
| 132 for (let key of expected[dartx.keys]) { | |
| 133 if (!dart.notNull(actual[dartx.containsKey](key))) { | |
| 134 expect.Expect._fail(`Expect.mapEquals(missing expected key: <${key}>${
msg}) fails`); | |
| 135 } | |
| 136 expect.Expect.equals(expected[dartx.get](key), actual[dartx.get](key)); | |
| 137 } | |
| 138 for (let key of actual[dartx.keys]) { | |
| 139 if (!dart.notNull(expected[dartx.containsKey](key))) { | |
| 140 expect.Expect._fail(`Expect.mapEquals(unexpected key: <${key}>${msg})
fails`); | |
| 141 } | |
| 142 } | |
| 143 } | |
| 144 static stringEquals(expected, actual, reason) { | |
| 145 if (reason === void 0) reason = null; | |
| 146 if (expected == actual) return; | |
| 147 let msg = expect.Expect._getMessage(reason); | |
| 148 let defaultMessage = `Expect.stringEquals(expected: <${expected}>", <${act
ual}>${msg}) fails`; | |
| 149 if (expected == null || actual == null) { | |
| 150 expect.Expect._fail(`${defaultMessage}`); | |
| 151 } | |
| 152 let left = 0; | |
| 153 let right = 0; | |
| 154 let eLen = expected[dartx.length]; | |
| 155 let aLen = actual[dartx.length]; | |
| 156 while (true) { | |
| 157 if (left == eLen || left == aLen || expected[dartx.get](left) != actual[
dartx.get](left)) { | |
| 158 break; | |
| 159 } | |
| 160 left++; | |
| 161 } | |
| 162 let eRem = dart.notNull(eLen) - left; | |
| 163 let aRem = dart.notNull(aLen) - left; | |
| 164 while (true) { | |
| 165 if (right == eRem || right == aRem || expected[dartx.get](dart.notNull(e
Len) - right - 1) != actual[dartx.get](dart.notNull(aLen) - right - 1)) { | |
| 166 break; | |
| 167 } | |
| 168 right++; | |
| 169 } | |
| 170 let leftSnippet = expected[dartx.substring](left < 10 ? 0 : left - 10, lef
t); | |
| 171 let rightSnippetLength = right < 10 ? right : 10; | |
| 172 let rightSnippet = expected[dartx.substring](dart.notNull(eLen) - right, d
art.notNull(eLen) - right + rightSnippetLength); | |
| 173 let eSnippet = expected[dartx.substring](left, dart.notNull(eLen) - right)
; | |
| 174 let aSnippet = actual[dartx.substring](left, dart.notNull(aLen) - right); | |
| 175 if (dart.notNull(eSnippet[dartx.length]) > 43) { | |
| 176 eSnippet = dart.notNull(eSnippet[dartx.substring](0, 20)) + "..." + dart
.notNull(eSnippet[dartx.substring](dart.notNull(eSnippet[dartx.length]) - 20)); | |
| 177 } | |
| 178 if (dart.notNull(aSnippet[dartx.length]) > 43) { | |
| 179 aSnippet = dart.notNull(aSnippet[dartx.substring](0, 20)) + "..." + dart
.notNull(aSnippet[dartx.substring](dart.notNull(aSnippet[dartx.length]) - 20)); | |
| 180 } | |
| 181 let leftLead = "..."; | |
| 182 let rightTail = "..."; | |
| 183 if (left <= 10) leftLead = ""; | |
| 184 if (right <= 10) rightTail = ""; | |
| 185 let diff = `\nDiff (${left}..${dart.notNull(eLen) - right}/${dart.notNull(
aLen) - right}):\n` + `${leftLead}${leftSnippet}[ ${eSnippet} ]${rightSnippet}${
rightTail}\n` + `${leftLead}${leftSnippet}[ ${aSnippet} ]${rightSnippet}${rightT
ail}`; | |
| 186 expect.Expect._fail(`${defaultMessage}${diff}`); | |
| 187 } | |
| 188 static setEquals(expected, actual, reason) { | |
| 189 if (reason === void 0) reason = null; | |
| 190 let missingSet = core.Set.from(expected); | |
| 191 missingSet.removeAll(actual); | |
| 192 let extraSet = core.Set.from(actual); | |
| 193 extraSet.removeAll(expected); | |
| 194 if (dart.notNull(extraSet.isEmpty) && dart.notNull(missingSet.isEmpty)) re
turn; | |
| 195 let msg = expect.Expect._getMessage(reason); | |
| 196 let sb = new core.StringBuffer(`Expect.setEquals(${msg}) fails`); | |
| 197 if (!dart.notNull(missingSet.isEmpty)) { | |
| 198 sb.write('\nExpected collection does not contain: '); | |
| 199 } | |
| 200 for (let val of missingSet) { | |
| 201 sb.write(`${val} `); | |
| 202 } | |
| 203 if (!dart.notNull(extraSet.isEmpty)) { | |
| 204 sb.write('\nExpected collection should not contain: '); | |
| 205 } | |
| 206 for (let val of extraSet) { | |
| 207 sb.write(`${val} `); | |
| 208 } | |
| 209 expect.Expect._fail(sb.toString()); | |
| 210 } | |
| 211 static throws(f, check, reason) { | |
| 212 if (check === void 0) check = null; | |
| 213 if (reason === void 0) reason = null; | |
| 214 let msg = reason == null ? "" : `(${reason})`; | |
| 215 if (!dart.is(f, expect._Nullary)) { | |
| 216 expect.Expect._fail(`Expect.throws${msg}: Function f not callable with z
ero arguments`); | |
| 217 } | |
| 218 try { | |
| 219 f(); | |
| 220 } catch (e) { | |
| 221 let s = dart.stackTrace(e); | |
| 222 if (check != null) { | |
| 223 if (!dart.notNull(dart.dcall(check, e))) { | |
| 224 expect.Expect._fail(`Expect.throws${msg}: Unexpected '${e}'\n${s}`); | |
| 225 } | |
| 226 } | |
| 227 return; | |
| 228 } | |
| 229 | |
| 230 expect.Expect._fail(`Expect.throws${msg} fails: Did not throw`); | |
| 231 } | |
| 232 static _getMessage(reason) { | |
| 233 return reason == null ? "" : `, '${reason}'`; | |
| 234 } | |
| 235 static _fail(message) { | |
| 236 dart.throw(new expect.ExpectException(message)); | |
| 237 } | |
| 238 }; | |
| 239 dart.setSignature(expect.Expect, { | |
| 240 statics: () => ({ | |
| 241 _truncateString: [core.String, [core.String, core.int, core.int, core.int]
], | |
| 242 _stringDifference: [core.String, [core.String, core.String]], | |
| 243 equals: [dart.void, [dart.dynamic, dart.dynamic], [core.String]], | |
| 244 isTrue: [dart.void, [dart.dynamic], [core.String]], | |
| 245 isFalse: [dart.void, [dart.dynamic], [core.String]], | |
| 246 isNull: [dart.void, [dart.dynamic], [core.String]], | |
| 247 isNotNull: [dart.void, [dart.dynamic], [core.String]], | |
| 248 identical: [dart.void, [dart.dynamic, dart.dynamic], [core.String]], | |
| 249 fail: [dart.void, [core.String]], | |
| 250 approxEquals: [dart.void, [core.num, core.num], [core.num, core.String]], | |
| 251 notEquals: [dart.void, [dart.dynamic, dart.dynamic], [core.String]], | |
| 252 listEquals: [dart.void, [core.List, core.List], [core.String]], | |
| 253 mapEquals: [dart.void, [core.Map, core.Map], [core.String]], | |
| 254 stringEquals: [dart.void, [core.String, core.String], [core.String]], | |
| 255 setEquals: [dart.void, [core.Iterable, core.Iterable], [core.String]], | |
| 256 throws: [dart.void, [dart.functionType(dart.void, [])], [expect._CheckExce
ptionFn, core.String]], | |
| 257 _getMessage: [core.String, [core.String]], | |
| 258 _fail: [dart.void, [core.String]] | |
| 259 }), | |
| 260 names: ['_truncateString', '_stringDifference', 'equals', 'isTrue', 'isFalse
', 'isNull', 'isNotNull', 'identical', 'fail', 'approxEquals', 'notEquals', 'lis
tEquals', 'mapEquals', 'stringEquals', 'setEquals', 'throws', '_getMessage', '_f
ail'] | |
| 261 }); | |
| 262 expect._identical = function(a, b) { | |
| 263 return core.identical(a, b); | |
| 264 }; | |
| 265 dart.fn(expect._identical, core.bool, [dart.dynamic, dart.dynamic]); | |
| 266 expect._CheckExceptionFn = dart.typedef('_CheckExceptionFn', () => dart.functi
onType(core.bool, [dart.dynamic])); | |
| 267 expect._Nullary = dart.typedef('_Nullary', () => dart.functionType(dart.dynami
c, [])); | |
| 268 expect.ExpectException = class ExpectException extends core.Object { | |
| 269 ExpectException(message) { | |
| 270 this.message = message; | |
| 271 } | |
| 272 toString() { | |
| 273 return this.message; | |
| 274 } | |
| 275 }; | |
| 276 expect.ExpectException[dart.implements] = () => [core.Exception]; | |
| 277 dart.setSignature(expect.ExpectException, { | |
| 278 constructors: () => ({ExpectException: [expect.ExpectException, [core.String
]]}) | |
| 279 }); | |
| 280 expect.NoInline = class NoInline extends core.Object { | |
| 281 NoInline() { | |
| 282 } | |
| 283 }; | |
| 284 dart.setSignature(expect.NoInline, { | |
| 285 constructors: () => ({NoInline: [expect.NoInline, []]}) | |
| 286 }); | |
| 287 expect.TrustTypeAnnotations = class TrustTypeAnnotations extends core.Object { | |
| 288 TrustTypeAnnotations() { | |
| 289 } | |
| 290 }; | |
| 291 dart.setSignature(expect.TrustTypeAnnotations, { | |
| 292 constructors: () => ({TrustTypeAnnotations: [expect.TrustTypeAnnotations, []
]}) | |
| 293 }); | |
| 294 expect.AssumeDynamic = class AssumeDynamic extends core.Object { | |
| 295 AssumeDynamic() { | |
| 296 } | |
| 297 }; | |
| 298 dart.setSignature(expect.AssumeDynamic, { | |
| 299 constructors: () => ({AssumeDynamic: [expect.AssumeDynamic, []]}) | |
| 300 }); | |
| 301 // Exports: | |
| 302 exports.expect = expect; | |
| 303 }); | |
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