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1 <!DOCTYPE html> | |
2 <html> | |
3 <head> | |
4 <!-- TODO(arv): Check in Closue unit tests and make this run as part of the | |
5 tests --> | |
6 <script src="http://closure-library.googlecode.com/svn/trunk/closure/goog/base.j
s"></script> | |
7 <script src="../cr.js"></script> | |
8 <script src="promise.js"></script> | |
9 <script> | |
10 | |
11 goog.require('goog.testing.jsunit'); | |
12 goog.require('goog.testing.MockClock'); | |
13 | |
14 </script> | |
15 </head> | |
16 <body> | |
17 <script> | |
18 | |
19 var mockClock; | |
20 | |
21 function setUp() { | |
22 mockClock = new goog.testing.MockClock(); | |
23 mockClock.install(); | |
24 } | |
25 | |
26 function tearDown() { | |
27 mockClock.uninstall(); | |
28 } | |
29 | |
30 const Promise = cr.Promise; | |
31 | |
32 function testCallbacks() { | |
33 var calls1 = 0; | |
34 var calls2 = 0; | |
35 var V = {}; | |
36 function f1(v) { | |
37 calls1++; | |
38 assertEquals(V, v); | |
39 } | |
40 function f2(v) { | |
41 calls2++; | |
42 assertEquals(V, v); | |
43 } | |
44 var p = new Promise; | |
45 p.addListener(f1); | |
46 p.addListener(f2); | |
47 p.value = V; | |
48 assertEquals(1, calls1); | |
49 assertEquals(1, calls2); | |
50 } | |
51 | |
52 function testCallbacks2() { | |
53 var calls1 = 0; | |
54 var calls2 = 0; | |
55 var V = {}; | |
56 function f1(v) { | |
57 calls1++; | |
58 assertEquals(V, v); | |
59 } | |
60 function f2(v) { | |
61 calls2++; | |
62 assertEquals(V, v); | |
63 } | |
64 var p = new Promise; | |
65 p.addListener(f1); | |
66 p.addListener(f2); | |
67 p.removeListener(f1); | |
68 p.value = V; | |
69 assertEquals(0, calls1); | |
70 assertEquals(1, calls2); | |
71 } | |
72 | |
73 function testCallbacks3() { | |
74 var calls1 = 0; | |
75 var calls2 = 0; | |
76 var V = {}; | |
77 function f1(v) { | |
78 calls1++; | |
79 assertEquals(V, v); | |
80 } | |
81 function f2(v) { | |
82 calls2++; | |
83 assertEquals(V, v); | |
84 } | |
85 var p = new Promise; | |
86 p.addListener(f1); | |
87 assertEquals(0, calls1); | |
88 assertEquals(0, calls2); | |
89 p.value = V; | |
90 assertEquals(1, calls1); | |
91 assertEquals(0, calls2); | |
92 p.addListener(f2); | |
93 assertEquals(1, calls1); | |
94 assertEquals(1, calls2); | |
95 } | |
96 | |
97 function testCallbacks4() { | |
98 var calls1 = 0; | |
99 var calls2 = 0; | |
100 var V = {}; | |
101 function f1(v) { | |
102 calls1++; | |
103 assertEquals(V, v); | |
104 } | |
105 function f2(v) { | |
106 calls2++; | |
107 assertEquals(V, v); | |
108 } | |
109 var p = new Promise(V); | |
110 p.addListener(f1); | |
111 p.addListener(f2); | |
112 assertEquals(1, calls1); | |
113 assertEquals(1, calls2); | |
114 } | |
115 | |
116 function testThisInCallback() { | |
117 var calls = 0; | |
118 var V = {}; | |
119 function f(v) { | |
120 calls++; | |
121 assertEquals(V, v); | |
122 assertNotEquals(p, this); | |
123 } | |
124 var p = new Promise; | |
125 p.addListener(f); | |
126 p.value = V; | |
127 assertEquals(1, calls); | |
128 } | |
129 | |
130 function testPending() { | |
131 var p = new Promise; | |
132 assertEquals(undefined, p.value); | |
133 assertFalse(p.done); | |
134 } | |
135 | |
136 function testValueCanBeUndefined() { | |
137 var p = new Promise; | |
138 p.value = undefined; | |
139 assertEquals(undefined, p.value); | |
140 assertTrue(p.done); | |
141 } | |
142 | |
143 function testDone() { | |
144 var p = new Promise; | |
145 assertFalse(p.done); | |
146 p.value = 42; | |
147 assertTrue(p.done); | |
148 } | |
149 | |
150 function testWhen() { | |
151 const V = {}; | |
152 var calls = 0; | |
153 var p = new Promise; | |
154 p.value = V; | |
155 Promise.when(p, function(v) { | |
156 assertEquals(V, v); | |
157 calls++; | |
158 }); | |
159 assertEquals(1, calls); | |
160 } | |
161 | |
162 function testWhen2() { | |
163 const V = {}; | |
164 var calls = 0; | |
165 var p = new Promise; | |
166 Promise.when(p, function(v) { | |
167 assertEquals(V, v); | |
168 calls++; | |
169 }); | |
170 p.value = V; | |
171 assertEquals(1, calls); | |
172 } | |
173 | |
174 function testWait() { | |
175 const S = {}; | |
176 var p = Promise.wait(1000, S); | |
177 assertFalse(p.done); | |
178 mockClock.tick(500); | |
179 assertFalse(p.done); | |
180 mockClock.tick(500); | |
181 assertTrue(p.done); | |
182 assertEquals(S, p.value); | |
183 } | |
184 | |
185 function testAny() { | |
186 var p1 = new Promise; | |
187 var p2 = new Promise; | |
188 var p3 = new Promise; | |
189 | |
190 var any = Promise.any(p1, p2, p3); | |
191 p2.value = 2; | |
192 assertEquals(2, any.value); | |
193 p1.value = 1; | |
194 assertEquals(2, any.value); | |
195 } | |
196 | |
197 function testAll() { | |
198 var p1 = new Promise; | |
199 var p2 = new Promise; | |
200 var p3 = new Promise; | |
201 | |
202 var pAll = Promise.all(p1, p2, p3); | |
203 p1.value = 1; | |
204 p2.value = 2; | |
205 p3.value = 3; | |
206 assertArrayEquals([1, 2, 3], pAll.value); | |
207 } | |
208 | |
209 function testAllEmpty() { | |
210 var pAll = Promise.all(); | |
211 assertArrayEquals([], pAll.value); | |
212 } | |
213 | |
214 function testAllAlreadyDone() { | |
215 var p1 = new Promise(1); | |
216 var p2 = new Promise(2); | |
217 var p3 = new Promise(3); | |
218 | |
219 var pAll = Promise.all(p1, p2, p3); | |
220 assertArrayEquals([1, 2, 3], pAll.value); | |
221 } | |
222 | |
223 function testEvent() { | |
224 var p = Promise.event(document.body, 'foo'); | |
225 var e = new cr.Event('foo'); | |
226 document.body.dispatchEvent(e); | |
227 assertEquals(e, p.value); | |
228 } | |
229 | |
230 function testToString() { | |
231 var p1 = new Promise; | |
232 assertEquals('[object Promise]', String(p1)); | |
233 | |
234 var p2 = new Promise; | |
235 p2.value = 'Hello world'; | |
236 assertEquals('Hello world', String(p2)); | |
237 } | |
238 | |
239 function testValueOf() { | |
240 var p = new Promise; | |
241 p.value = 42; | |
242 | |
243 assertTrue(p < 43); | |
244 assertTrue(p > 41); | |
245 assertTrue(p == 42); | |
246 } | |
247 | |
248 </script> | |
249 </body> | |
250 </html> | |
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