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1 <!DOCTYPE html> | 1 <!DOCTYPE html> |
2 <!-- | 2 <!-- |
3 Copyright (c) 2014 The Chromium Authors. All rights reserved. | 3 Copyright (c) 2014 The Chromium Authors. All rights reserved. |
4 Use of this source code is governed by a BSD-style license that can be | 4 Use of this source code is governed by a BSD-style license that can be |
5 found in the LICENSE file. | 5 found in the LICENSE file. |
6 --> | 6 --> |
7 <link rel="import" href="/tracing/base/iteration_helpers.html"> | 7 <link rel="import" href="/tracing/base/iteration_helpers.html"> |
8 <script> | 8 <script> |
9 'use strict'; | 9 'use strict'; |
10 | 10 |
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247 const dict = tr.b.arrayToDict(array, function(value) { | 247 const dict = tr.b.arrayToDict(array, function(value) { |
248 return this.prefix + value; | 248 return this.prefix + value; |
249 }, fakeThis); | 249 }, fakeThis); |
250 assert.deepEqual(dict, { | 250 assert.deepEqual(dict, { |
251 'key_5': 5, | 251 'key_5': 5, |
252 'key_undefined': undefined, | 252 'key_undefined': undefined, |
253 'key_test': 'test' | 253 'key_test': 'test' |
254 }); | 254 }); |
255 }); | 255 }); |
256 | 256 |
257 test('identity', function() { | |
258 // Undefined value. | |
259 assert.isUndefined(tr.b.identity(undefined)); | |
260 | |
261 // Primitive value. | |
262 assert.strictEqual(tr.b.identity(-273.15), -273.15); | |
263 | |
264 // List. | |
265 const list = ['list', 'with', 1, undefined, 'value']; | |
266 assert.strictEqual(tr.b.identity(list), list); | |
267 | |
268 // Object. | |
269 const object = {'hasItems': true}; | |
270 assert.strictEqual(tr.b.identity(object), object); | |
271 }); | |
272 | |
273 test('findFirstKeyInDictMatching', function() { | 257 test('findFirstKeyInDictMatching', function() { |
274 const dict = {a: 1, b: 2, c: 3}; | 258 const dict = {a: 1, b: 2, c: 3}; |
275 | 259 |
276 let k = tr.b.findFirstKeyInDictMatching(dict, function(key, value) { | 260 let k = tr.b.findFirstKeyInDictMatching(dict, function(key, value) { |
277 return value === 2; | 261 return value === 2; |
278 }, this); | 262 }, this); |
279 assert.strictEqual(k, 'b'); | 263 assert.strictEqual(k, 'b'); |
280 | 264 |
281 k = tr.b.findFirstKeyInDictMatching(dict, function(key, value) { | 265 k = tr.b.findFirstKeyInDictMatching(dict, function(key, value) { |
282 return false; | 266 return false; |
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300 const map = new Map(); | 284 const map = new Map(); |
301 map.set('a', 1); | 285 map.set('a', 1); |
302 map.set('b', 2); | 286 map.set('b', 2); |
303 map.set('c', 3); | 287 map.set('c', 3); |
304 const values = tr.b.mapValues(map); | 288 const values = tr.b.mapValues(map); |
305 assert.strictEqual(values.length, 3); | 289 assert.strictEqual(values.length, 3); |
306 assert.sameMembers([1, 2, 3], values); | 290 assert.sameMembers([1, 2, 3], values); |
307 }); | 291 }); |
308 }); | 292 }); |
309 </script> | 293 </script> |
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