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1 dart_library.library('expect', null, /* Imports */[ | |
2 'dart_sdk' | |
3 ], function load__expect(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 let dynamicAnddynamicTobool = () => (dynamicAnddynamicTobool = dart.constFn(da
rt.definiteFunctionType(core.bool, [dart.dynamic, dart.dynamic])))(); | |
10 expect.Expect = class Expect extends core.Object { | |
11 static _truncateString(string, start, end, length) { | |
12 if (dart.notNull(end) - dart.notNull(start) > dart.notNull(length)) { | |
13 end = dart.notNull(start) + dart.notNull(length); | |
14 } else if (dart.notNull(end) - dart.notNull(start) < dart.notNull(length))
{ | |
15 let overflow = dart.notNull(length) - (dart.notNull(end) - dart.notNull(
start)); | |
16 if (overflow > 10) overflow = 10; | |
17 start = dart.notNull(start) - ((overflow + 1) / 2)[dartx.truncate](); | |
18 end = dart.notNull(end) + (overflow / 2)[dartx.truncate](); | |
19 if (dart.notNull(start) < 0) start = 0; | |
20 if (dart.notNull(end) > dart.notNull(string[dartx.length])) end = string
[dartx.length]; | |
21 } | |
22 if (start == 0 && end == string[dartx.length]) return string; | |
23 let buf = new core.StringBuffer(); | |
24 if (dart.notNull(start) > 0) buf.write("..."); | |
25 for (let i = start; dart.notNull(i) < dart.notNull(end); i = dart.notNull(
i) + 1) { | |
26 let code = string[dartx.codeUnitAt](i); | |
27 if (dart.notNull(code) < 32) { | |
28 buf.write("\\x"); | |
29 buf.write("0123456789abcdef"[dartx.get]((dart.notNull(code) / 16)[dart
x.truncate]())); | |
30 buf.write("0123456789abcdef"[dartx.get](code[dartx['%']](16))); | |
31 } else { | |
32 buf.writeCharCode(string[dartx.codeUnitAt](i)); | |
33 } | |
34 } | |
35 if (dart.notNull(end) < dart.notNull(string[dartx.length])) buf.write("...
"); | |
36 return buf.toString(); | |
37 } | |
38 static _stringDifference(expected, actual) { | |
39 if (dart.notNull(expected[dartx.length]) < 20 && dart.notNull(actual[dartx
.length]) < 20) return null; | |
40 for (let i = 0; i < dart.notNull(expected[dartx.length]) && i < dart.notNu
ll(actual[dartx.length]); i++) { | |
41 if (expected[dartx.codeUnitAt](i) != actual[dartx.codeUnitAt](i)) { | |
42 let start = i; | |
43 i++; | |
44 while (i < dart.notNull(expected[dartx.length]) && i < dart.notNull(ac
tual[dartx.length])) { | |
45 if (expected[dartx.codeUnitAt](i) == actual[dartx.codeUnitAt](i)) br
eak; | |
46 i++; | |
47 } | |
48 let end = i; | |
49 let truncExpected = expect.Expect._truncateString(expected, start, end
, 20); | |
50 let truncActual = expect.Expect._truncateString(actual, start, end, 20
); | |
51 return dart.str`at index ${start}: Expected <${truncExpected}>, ` + da
rt.str`Found: <${truncActual}>`; | |
52 } | |
53 } | |
54 return null; | |
55 } | |
56 static equals(expected, actual, reason) { | |
57 if (reason === void 0) reason = null; | |
58 if (dart.equals(expected, actual)) return; | |
59 let msg = expect.Expect._getMessage(reason); | |
60 if (typeof expected == 'string' && typeof actual == 'string') { | |
61 let stringDifference = expect.Expect._stringDifference(expected, actual)
; | |
62 if (stringDifference != null) { | |
63 expect.Expect._fail(dart.str`Expect.equals(${stringDifference}${msg})
fails.`); | |
64 } | |
65 } | |
66 expect.Expect._fail(dart.str`Expect.equals(expected: <${expected}>, actual
: <${actual}>${msg}) fails.`); | |
67 } | |
68 static isTrue(actual, reason) { | |
69 if (reason === void 0) reason = null; | |
70 if (dart.test(expect._identical(actual, true))) return; | |
71 let msg = expect.Expect._getMessage(reason); | |
72 expect.Expect._fail(dart.str`Expect.isTrue(${actual}${msg}) fails.`); | |
73 } | |
74 static isFalse(actual, reason) { | |
75 if (reason === void 0) reason = null; | |
76 if (dart.test(expect._identical(actual, false))) return; | |
77 let msg = expect.Expect._getMessage(reason); | |
78 expect.Expect._fail(dart.str`Expect.isFalse(${actual}${msg}) fails.`); | |
79 } | |
80 static isNull(actual, reason) { | |
81 if (reason === void 0) reason = null; | |
82 if (null == actual) return; | |
83 let msg = expect.Expect._getMessage(reason); | |
84 expect.Expect._fail(dart.str`Expect.isNull(actual: <${actual}>${msg}) fail
s.`); | |
85 } | |
86 static isNotNull(actual, reason) { | |
87 if (reason === void 0) reason = null; | |
88 if (null != actual) return; | |
89 let msg = expect.Expect._getMessage(reason); | |
90 expect.Expect._fail(dart.str`Expect.isNotNull(actual: <${actual}>${msg}) f
ails.`); | |
91 } | |
92 static identical(expected, actual, reason) { | |
93 if (reason === void 0) reason = null; | |
94 if (dart.test(expect._identical(expected, actual))) return; | |
95 let msg = expect.Expect._getMessage(reason); | |
96 expect.Expect._fail(dart.str`Expect.identical(expected: <${expected}>, act
ual: <${actual}>${msg}) ` + "fails."); | |
97 } | |
98 static fail(msg) { | |
99 expect.Expect._fail(dart.str`Expect.fail('${msg}')`); | |
100 } | |
101 static approxEquals(expected, actual, tolerance, reason) { | |
102 if (tolerance === void 0) tolerance = null; | |
103 if (reason === void 0) reason = null; | |
104 if (tolerance == null) { | |
105 tolerance = (dart.notNull(expected) / 10000.0)[dartx.abs](); | |
106 } | |
107 if (dart.notNull((dart.notNull(expected) - dart.notNull(actual))[dartx.abs
]()) <= dart.notNull(tolerance)) return; | |
108 let msg = expect.Expect._getMessage(reason); | |
109 expect.Expect._fail(dart.str`Expect.approxEquals(expected:<${expected}>, a
ctual:<${actual}>, ` + dart.str`tolerance:<${tolerance}>${msg}) fails`); | |
110 } | |
111 static notEquals(unexpected, actual, reason) { | |
112 if (reason === void 0) reason = null; | |
113 if (!dart.equals(unexpected, actual)) return; | |
114 let msg = expect.Expect._getMessage(reason); | |
115 expect.Expect._fail(dart.str`Expect.notEquals(unexpected: <${unexpected}>,
actual:<${actual}>${msg}) ` + "fails."); | |
116 } | |
117 static listEquals(expected, actual, reason) { | |
118 if (reason === void 0) reason = null; | |
119 let msg = expect.Expect._getMessage(reason); | |
120 let n = dart.notNull(expected[dartx.length]) < dart.notNull(actual[dartx.l
ength]) ? expected[dartx.length] : actual[dartx.length]; | |
121 for (let i = 0; i < dart.notNull(n); i++) { | |
122 if (!dart.equals(expected[dartx.get](i), actual[dartx.get](i))) { | |
123 expect.Expect._fail(dart.str`Expect.listEquals(at index ${i}, ` + dart
.str`expected: <${expected[dartx.get](i)}>, actual: <${actual[dartx.get](i)}>${m
sg}) fails`); | |
124 } | |
125 } | |
126 if (expected[dartx.length] != actual[dartx.length]) { | |
127 expect.Expect._fail('Expect.listEquals(list length, ' + dart.str`expecte
d: <${expected[dartx.length]}>, actual: <${actual[dartx.length]}>${msg}) ` + 'fa
ils: Next element <' + dart.str`${dart.notNull(expected[dartx.length]) > dart.no
tNull(n) ? expected[dartx.get](n) : actual[dartx.get](n)}>`); | |
128 } | |
129 } | |
130 static mapEquals(expected, actual, reason) { | |
131 if (reason === void 0) reason = null; | |
132 let msg = expect.Expect._getMessage(reason); | |
133 for (let key of expected[dartx.keys]) { | |
134 if (!dart.test(actual[dartx.containsKey](key))) { | |
135 expect.Expect._fail(dart.str`Expect.mapEquals(missing expected key: <$
{key}>${msg}) fails`); | |
136 } | |
137 expect.Expect.equals(expected[dartx.get](key), actual[dartx.get](key)); | |
138 } | |
139 for (let key of actual[dartx.keys]) { | |
140 if (!dart.test(expected[dartx.containsKey](key))) { | |
141 expect.Expect._fail(dart.str`Expect.mapEquals(unexpected key: <${key}>
${msg}) fails`); | |
142 } | |
143 } | |
144 } | |
145 static stringEquals(expected, actual, reason) { | |
146 if (reason === void 0) reason = null; | |
147 if (expected == actual) return; | |
148 let msg = expect.Expect._getMessage(reason); | |
149 let defaultMessage = dart.str`Expect.stringEquals(expected: <${expected}>"
, <${actual}>${msg}) fails`; | |
150 if (expected == null || actual == null) { | |
151 expect.Expect._fail(dart.str`${defaultMessage}`); | |
152 } | |
153 let left = 0; | |
154 let right = 0; | |
155 let eLen = expected[dartx.length]; | |
156 let aLen = actual[dartx.length]; | |
157 while (true) { | |
158 if (left == eLen || left == aLen || expected[dartx.get](left) != actual[
dartx.get](left)) { | |
159 break; | |
160 } | |
161 left++; | |
162 } | |
163 let eRem = dart.notNull(eLen) - left; | |
164 let aRem = dart.notNull(aLen) - left; | |
165 while (true) { | |
166 if (right == eRem || right == aRem || expected[dartx.get](dart.notNull(e
Len) - right - 1) != actual[dartx.get](dart.notNull(aLen) - right - 1)) { | |
167 break; | |
168 } | |
169 right++; | |
170 } | |
171 let leftSnippet = expected[dartx.substring](left < 10 ? 0 : left - 10, lef
t); | |
172 let rightSnippetLength = right < 10 ? right : 10; | |
173 let rightSnippet = expected[dartx.substring](dart.notNull(eLen) - right, d
art.notNull(eLen) - right + rightSnippetLength); | |
174 let eSnippet = expected[dartx.substring](left, dart.notNull(eLen) - right)
; | |
175 let aSnippet = actual[dartx.substring](left, dart.notNull(aLen) - right); | |
176 if (dart.notNull(eSnippet[dartx.length]) > 43) { | |
177 eSnippet = dart.notNull(eSnippet[dartx.substring](0, 20)) + "..." + dart
.notNull(eSnippet[dartx.substring](dart.notNull(eSnippet[dartx.length]) - 20)); | |
178 } | |
179 if (dart.notNull(aSnippet[dartx.length]) > 43) { | |
180 aSnippet = dart.notNull(aSnippet[dartx.substring](0, 20)) + "..." + dart
.notNull(aSnippet[dartx.substring](dart.notNull(aSnippet[dartx.length]) - 20)); | |
181 } | |
182 let leftLead = "..."; | |
183 let rightTail = "..."; | |
184 if (left <= 10) leftLead = ""; | |
185 if (right <= 10) rightTail = ""; | |
186 let diff = dart.str`\nDiff (${left}..${dart.notNull(eLen) - right}/${dart.
notNull(aLen) - right}):\n` + dart.str`${leftLead}${leftSnippet}[ ${eSnippet} ]$
{rightSnippet}${rightTail}\n` + dart.str`${leftLead}${leftSnippet}[ ${aSnippet}
]${rightSnippet}${rightTail}`; | |
187 expect.Expect._fail(dart.str`${defaultMessage}${diff}`); | |
188 } | |
189 static setEquals(expected, actual, reason) { | |
190 if (reason === void 0) reason = null; | |
191 let missingSet = core.Set.from(expected); | |
192 missingSet.removeAll(actual); | |
193 let extraSet = core.Set.from(actual); | |
194 extraSet.removeAll(expected); | |
195 if (dart.test(extraSet.isEmpty) && dart.test(missingSet.isEmpty)) return; | |
196 let msg = expect.Expect._getMessage(reason); | |
197 let sb = new core.StringBuffer(dart.str`Expect.setEquals(${msg}) fails`); | |
198 if (!dart.test(missingSet.isEmpty)) { | |
199 sb.write('\nExpected collection does not contain: '); | |
200 } | |
201 for (let val of missingSet) { | |
202 sb.write(dart.str`${val} `); | |
203 } | |
204 if (!dart.test(extraSet.isEmpty)) { | |
205 sb.write('\nExpected collection should not contain: '); | |
206 } | |
207 for (let val of extraSet) { | |
208 sb.write(dart.str`${val} `); | |
209 } | |
210 expect.Expect._fail(sb.toString()); | |
211 } | |
212 static throws(f, check, reason) { | |
213 if (check === void 0) check = null; | |
214 if (reason === void 0) reason = null; | |
215 let msg = reason == null ? "" : dart.str`(${reason})`; | |
216 if (!expect._Nullary.is(f)) { | |
217 expect.Expect._fail(dart.str`Expect.throws${msg}: Function f not callabl
e with zero arguments`); | |
218 } | |
219 try { | |
220 f(); | |
221 } catch (e) { | |
222 let s = dart.stackTrace(e); | |
223 if (check != null) { | |
224 if (!dart.test(dart.dcall(check, e))) { | |
225 expect.Expect._fail(dart.str`Expect.throws${msg}: Unexpected '${e}'\
n${s}`); | |
226 } | |
227 } | |
228 return; | |
229 } | |
230 | |
231 expect.Expect._fail(dart.str`Expect.throws${msg} fails: Did not throw`); | |
232 } | |
233 static _getMessage(reason) { | |
234 return reason == null ? "" : dart.str`, '${reason}'`; | |
235 } | |
236 static _fail(message) { | |
237 dart.throw(new expect.ExpectException(message)); | |
238 } | |
239 }; | |
240 dart.setSignature(expect.Expect, { | |
241 statics: () => ({ | |
242 _truncateString: dart.definiteFunctionType(core.String, [core.String, core
.int, core.int, core.int]), | |
243 _stringDifference: dart.definiteFunctionType(core.String, [core.String, co
re.String]), | |
244 equals: dart.definiteFunctionType(dart.void, [dart.dynamic, dart.dynamic],
[core.String]), | |
245 isTrue: dart.definiteFunctionType(dart.void, [dart.dynamic], [core.String]
), | |
246 isFalse: dart.definiteFunctionType(dart.void, [dart.dynamic], [core.String
]), | |
247 isNull: dart.definiteFunctionType(dart.void, [dart.dynamic], [core.String]
), | |
248 isNotNull: dart.definiteFunctionType(dart.void, [dart.dynamic], [core.Stri
ng]), | |
249 identical: dart.definiteFunctionType(dart.void, [dart.dynamic, dart.dynami
c], [core.String]), | |
250 fail: dart.definiteFunctionType(dart.void, [core.String]), | |
251 approxEquals: dart.definiteFunctionType(dart.void, [core.num, core.num], [
core.num, core.String]), | |
252 notEquals: dart.definiteFunctionType(dart.void, [dart.dynamic, dart.dynami
c], [core.String]), | |
253 listEquals: dart.definiteFunctionType(dart.void, [core.List, core.List], [
core.String]), | |
254 mapEquals: dart.definiteFunctionType(dart.void, [core.Map, core.Map], [cor
e.String]), | |
255 stringEquals: dart.definiteFunctionType(dart.void, [core.String, core.Stri
ng], [core.String]), | |
256 setEquals: dart.definiteFunctionType(dart.void, [core.Iterable, core.Itera
ble], [core.String]), | |
257 throws: dart.definiteFunctionType(dart.void, [dart.functionType(dart.void,
[])], [expect._CheckExceptionFn, core.String]), | |
258 _getMessage: dart.definiteFunctionType(core.String, [core.String]), | |
259 _fail: dart.definiteFunctionType(dart.void, [core.String]) | |
260 }), | |
261 names: ['_truncateString', '_stringDifference', 'equals', 'isTrue', 'isFalse
', 'isNull', 'isNotNull', 'identical', 'fail', 'approxEquals', 'notEquals', 'lis
tEquals', 'mapEquals', 'stringEquals', 'setEquals', 'throws', '_getMessage', '_f
ail'] | |
262 }); | |
263 expect._identical = function(a, b) { | |
264 return core.identical(a, b); | |
265 }; | |
266 dart.fn(expect._identical, dynamicAnddynamicTobool()); | |
267 expect._CheckExceptionFn = dart.typedef('_CheckExceptionFn', () => dart.functi
onType(core.bool, [dart.dynamic])); | |
268 expect._Nullary = dart.typedef('_Nullary', () => dart.functionType(dart.dynami
c, [])); | |
269 expect.ExpectException = class ExpectException extends core.Object { | |
270 new(message) { | |
271 this.message = message; | |
272 } | |
273 toString() { | |
274 return this.message; | |
275 } | |
276 }; | |
277 expect.ExpectException[dart.implements] = () => [core.Exception]; | |
278 dart.setSignature(expect.ExpectException, { | |
279 constructors: () => ({new: dart.definiteFunctionType(expect.ExpectException,
[core.String])}) | |
280 }); | |
281 expect.NoInline = class NoInline extends core.Object { | |
282 new() { | |
283 } | |
284 }; | |
285 dart.setSignature(expect.NoInline, { | |
286 constructors: () => ({new: dart.definiteFunctionType(expect.NoInline, [])}) | |
287 }); | |
288 expect.TrustTypeAnnotations = class TrustTypeAnnotations extends core.Object { | |
289 new() { | |
290 } | |
291 }; | |
292 dart.setSignature(expect.TrustTypeAnnotations, { | |
293 constructors: () => ({new: dart.definiteFunctionType(expect.TrustTypeAnnotat
ions, [])}) | |
294 }); | |
295 expect.AssumeDynamic = class AssumeDynamic extends core.Object { | |
296 new() { | |
297 } | |
298 }; | |
299 dart.setSignature(expect.AssumeDynamic, { | |
300 constructors: () => ({new: dart.definiteFunctionType(expect.AssumeDynamic, [
])}) | |
301 }); | |
302 // Exports: | |
303 exports.expect = expect; | |
304 }); | |
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