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.js"></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> 251
