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Issue 1601093008: Remove duplicated WebGL layout tests. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 11 months ago
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1 <html>
2 <head>
3 <script src="../../../resources/js-test.js"></script>
4 </head>
5 <body>
6 <div id="description"></div>
7 <div id="console"></div>
8
9 <script>
10 description("Test DataView.");
11
12 var intArray1 = [0, 1, 2, 3, 100, 101, 102, 103, 128, 129, 130, 131, 252, 253, 2 54, 255];
13 var intArray2 = [31, 32, 33, 0, 1, 2, 3, 100, 101, 102, 103, 128, 129, 130, 131, 252, 253, 254, 255];
14 var emptyArray = [204, 204, 204, 204, 204, 204, 204, 204, 204, 204, 204, 204, 20 4, 204, 204, 204];
15
16 var arayBuffer = null;
17 var view = null;
18 var viewStart = 0;
19 var viewLength = 0;
20
21 function getElementSize(func)
22 {
23 switch (func) {
24 case "Int8":
25 case "Uint8":
26 return 1;
27 case "Int16":
28 case "Uint16":
29 return 2;
30 case "Int32":
31 case "Uint32":
32 case "Float32":
33 return 4;
34 case "Float64":
35 return 8;
36 default:
37 debug("Should not reached");
38 }
39 }
40
41 function checkGet(func, index, expected, littleEndian)
42 {
43 var expr = "view.get" + func + "(" + index;
44 if (littleEndian != undefined) {
45 expr += ", ";
46 expr += littleEndian ? "true" : "false";
47 }
48 expr += ")";
49 if (index >= 0 && index + getElementSize(func) - 1 < view.byteLength)
50 shouldBe(expr, expected);
51 else
52 shouldThrow(expr);
53 }
54
55 function checkSet(func, index, value, littleEndian)
56 {
57 var expr = "view.set" + func + "(" + index + ", " + value;
58 if (littleEndian != undefined) {
59 expr += ", ";
60 expr += littleEndian ? "true" : "false";
61 }
62 expr += ")";
63 if (index >= 0 && index + getElementSize(func) - 1 < view.byteLength) {
64 shouldBeUndefined(expr);
65 checkGet(func, index, value, littleEndian);
66 } else
67 shouldThrow(expr);
68 }
69
70 function test(isTestingGet, func, index, value, littleEndian)
71 {
72 if (isTestingGet)
73 checkGet(func, index, value, littleEndian);
74 else
75 checkSet(func, index, value, littleEndian);
76 }
77
78 function createDataView(array, frontPaddingNum, littleEndian, start, length)
79 {
80 if (!littleEndian)
81 array.reverse();
82 var paddingArray = new Array(frontPaddingNum);
83 arrayBuffer = (new Uint8Array(paddingArray.concat(array))).buffer;
84 viewStart = (start != undefined) ? start : 0;
85 viewLength = (length != undefined) ? length : arrayBuffer.byteLength - viewS tart;
86 view = new DataView(arrayBuffer, viewStart, viewLength);
87 if (!littleEndian)
88 array.reverse(); // restore the array.
89 }
90
91 function runIntegerTestCases(isTestingGet, array, start, length)
92 {
93 createDataView(array, 0, true, start, length);
94
95 test(isTestingGet, "Int8", 0, "0");
96 test(isTestingGet, "Int8", 8, "-128");
97 test(isTestingGet, "Int8", 15, "-1");
98
99 test(isTestingGet, "Uint8", 0, "0");
100 test(isTestingGet, "Uint8", 8, "128");
101 test(isTestingGet, "Uint8", 15, "255");
102
103 // Little endian.
104 test(isTestingGet, "Int16", 0, "256", true);
105 test(isTestingGet, "Int16", 5, "26213", true);
106 test(isTestingGet, "Int16", 9, "-32127", true);
107 test(isTestingGet, "Int16", 14, "-2", true);
108
109 // Big endian.
110 test(isTestingGet, "Int16", 0, "1");
111 test(isTestingGet, "Int16", 5, "25958");
112 test(isTestingGet, "Int16", 9, "-32382");
113 test(isTestingGet, "Int16", 14, "-257");
114
115 // Little endian.
116 test(isTestingGet, "Uint16", 0, "256", true);
117 test(isTestingGet, "Uint16", 5, "26213", true);
118 test(isTestingGet, "Uint16", 9, "33409", true);
119 test(isTestingGet, "Uint16", 14, "65534", true);
120
121 // Big endian.
122 test(isTestingGet, "Uint16", 0, "1");
123 test(isTestingGet, "Uint16", 5, "25958");
124 test(isTestingGet, "Uint16", 9, "33154");
125 test(isTestingGet, "Uint16", 14, "65279");
126
127 // Little endian.
128 test(isTestingGet, "Int32", 0, "50462976", true);
129 test(isTestingGet, "Int32", 3, "1717920771", true);
130 test(isTestingGet, "Int32", 6, "-2122291354", true);
131 test(isTestingGet, "Int32", 9, "-58490239", true);
132 test(isTestingGet, "Int32", 12, "-66052", true);
133
134 // Big endian.
135 test(isTestingGet, "Int32", 0, "66051");
136 test(isTestingGet, "Int32", 3, "56911206");
137 test(isTestingGet, "Int32", 6, "1718059137");
138 test(isTestingGet, "Int32", 9, "-2122152964");
139 test(isTestingGet, "Int32", 12, "-50462977");
140
141 // Little endian.
142 test(isTestingGet, "Uint32", 0, "50462976", true);
143 test(isTestingGet, "Uint32", 3, "1717920771", true);
144 test(isTestingGet, "Uint32", 6, "2172675942", true);
145 test(isTestingGet, "Uint32", 9, "4236477057", true);
146 test(isTestingGet, "Uint32", 12, "4294901244", true);
147
148 // Big endian.
149 test(isTestingGet, "Uint32", 0, "66051");
150 test(isTestingGet, "Uint32", 3, "56911206");
151 test(isTestingGet, "Uint32", 6, "1718059137");
152 test(isTestingGet, "Uint32", 9, "2172814332");
153 test(isTestingGet, "Uint32", 12, "4244504319");
154 }
155
156 function testFloat(isTestingGet, func, array, start, expected)
157 {
158 // Little endian.
159 createDataView(array, 0, true, start);
160 test(isTestingGet, func, 0, expected, true);
161 createDataView(array, 3, true, start);
162 test(isTestingGet, func, 3, expected, true);
163 createDataView(array, 7, true, start);
164 test(isTestingGet, func, 7, expected, true);
165 createDataView(array, 10, true, start);
166 test(isTestingGet, func, 10, expected, true);
167
168 // Big endian.
169 createDataView(array, 0, false);
170 test(isTestingGet, func, 0, expected, false);
171 createDataView(array, 3, false);
172 test(isTestingGet, func, 3, expected, false);
173 createDataView(array, 7, false);
174 test(isTestingGet, func, 7, expected, false);
175 createDataView(array, 10, false);
176 test(isTestingGet, func, 10, expected, false);
177 }
178
179 function runFloatTestCases(isTestingGet, start)
180 {
181 testFloat(isTestingGet, "Float32", isTestingGet ? [0, 0, 32, 65] : emptyArra y, start, "10");
182 testFloat(isTestingGet, "Float32", isTestingGet ? [164, 112, 157, 63] : empt yArray, start, "1.2300000190734863");
183 testFloat(isTestingGet, "Float32", isTestingGet ? [95, 53, 50, 199] : emptyA rray, start, "-45621.37109375");
184 testFloat(isTestingGet, "Float32", isTestingGet ? [255, 255, 255, 127] : emp tyArray, start, "NaN");
185 testFloat(isTestingGet, "Float32", isTestingGet ? [255, 255, 255, 255] : emp tyArray, start, "-NaN");
186
187 testFloat(isTestingGet, "Float64", isTestingGet ? [0, 0, 0, 0, 0, 0, 36, 64] : emptyArray, start, "10");
188 testFloat(isTestingGet, "Float64", isTestingGet ? [174, 71, 225, 122, 20, 17 4, 243, 63] : emptyArray, start, "1.23");
189 testFloat(isTestingGet, "Float64", isTestingGet ? [181, 55, 248, 30, 242, 17 9, 87, 193] : emptyArray, start, "-6213576.4839");
190 testFloat(isTestingGet, "Float64", isTestingGet ? [255, 255, 255, 255, 255, 255, 255, 127] : emptyArray, start, "NaN");
191 testFloat(isTestingGet, "Float64", isTestingGet ? [255, 255, 255, 255, 255, 255, 255, 255] : emptyArray, start, "-NaN");
192 }
193
194 function runNegativeIndexTests(isTestingGet)
195 {
196 createDataView(intArray1, 0, true, 0, 16);
197
198 test(isTestingGet, "Int8", -1, "0");
199 test(isTestingGet, "Int8", -2, "0");
200
201 test(isTestingGet, "Uint8", -1, "0");
202 test(isTestingGet, "Uint8", -2, "0");
203
204 test(isTestingGet, "Int16", -1, "0");
205 test(isTestingGet, "Int16", -2, "0");
206 test(isTestingGet, "Int16", -3, "0");
207
208 test(isTestingGet, "Uint16", -1, "0");
209 test(isTestingGet, "Uint16", -2, "0");
210 test(isTestingGet, "Uint16", -3, "0");
211
212 test(isTestingGet, "Int32", -1, "0");
213 test(isTestingGet, "Int32", -3, "0");
214 test(isTestingGet, "Int32", -5, "0");
215
216 test(isTestingGet, "Uint32", -1, "0");
217 test(isTestingGet, "Uint32", -3, "0");
218 test(isTestingGet, "Uint32", -5, "0");
219
220 createDataView([0, 0, 0, 0, 0, 0, 36, 64], 0, true, 0, 8);
221
222 test(isTestingGet, "Float32", -1, "0");
223 test(isTestingGet, "Float32", -3, "0");
224 test(isTestingGet, "Float32", -5, "0");
225
226 test(isTestingGet, "Float64", -1, "0");
227 test(isTestingGet, "Float64", -5, "0");
228 test(isTestingGet, "Float64", -9, "0");
229 }
230
231 function runConstructorTests()
232 {
233 arayBuffer = (new Uint8Array([1, 2])).buffer;
234
235 debug("");
236 debug("Test for constructor not called as a function");
237 var expr = "DataView(new ArrayBuffer)";
238 // Use try/catch instead of calling shouldThrow to avoid different exception message being reported from different platform.
239 try {
240 eval(expr);
241 testFailed(expr + " does not throw exception");
242 } catch (e) {
243 testPassed(expr + " threw exception");
244 }
245
246 debug("");
247 debug("Test for constructor taking 1 argument");
248 shouldBeDefined("view = new DataView(arayBuffer)");
249 shouldBe("view.byteOffset", "0");
250 shouldBe("view.byteLength", "2");
251
252 debug("");
253 debug("Test for constructor taking 2 arguments");
254 shouldBeDefined("view = new DataView(arayBuffer, 1)");
255 shouldBe("view.byteOffset", "1");
256 shouldBe("view.byteLength", "1");
257
258 debug("");
259 debug("Test for constructor taking 3 arguments");
260 shouldBeDefined("view = new DataView(arayBuffer, 0, 1)");
261 shouldBe("view.byteOffset", "0");
262 shouldBe("view.byteLength", "1");
263
264 debug("");
265 debug("Test for constructor throwing exception");
266 shouldThrow("view = new DataView(arayBuffer, 0, 3)");
267 shouldThrow("view = new DataView(arayBuffer, 1, 2)");
268 shouldThrow("view = new DataView(arayBuffer, 2, 1)");
269 }
270
271 function runGetTests()
272 {
273 debug("");
274 debug("Test for get methods that work");
275 runIntegerTestCases(true, intArray1, 0, 16);
276 runFloatTestCases(true, 0);
277
278 debug("");
279 debug("Test for get methods that might read beyond range");
280 runIntegerTestCases(true, intArray2, 3, 2);
281 runFloatTestCases(true, 3);
282
283 debug("");
284 debug("Test for get methods that read from negative index");
285 runNegativeIndexTests(true);
286
287 debug("");
288 debug("Test for wrong arguments passed to get methods");
289 view = new DataView((new Uint8Array([1, 2])).buffer);
290 shouldThrow("view.getInt8()");
291 shouldThrow("view.getUint8()");
292 shouldThrow("view.getInt16()");
293 shouldThrow("view.getUint16()");
294 shouldThrow("view.getInt32()");
295 shouldThrow("view.getUint32()");
296 shouldThrow("view.getFloat32()");
297 shouldThrow("view.getFloat64()");
298 }
299
300 function runSetTests()
301 {
302 debug("");
303 debug("Test for set methods that work");
304 runIntegerTestCases(false, emptyArray, 0, 16);
305 runFloatTestCases(false);
306
307 debug("");
308 debug("Test for set methods that might write beyond the range");
309 runIntegerTestCases(false, emptyArray, 3, 2);
310 runFloatTestCases(false, 7);
311
312 debug("");
313 debug("Test for set methods that write to negative index");
314 runNegativeIndexTests(false);
315
316 debug("");
317 debug("Test for wrong arguments passed to set methods");
318 view = new DataView((new Uint8Array([1, 2])).buffer);
319 shouldThrow("view.setInt8()");
320 shouldThrow("view.setUint8()");
321 shouldThrow("view.setInt16()");
322 shouldThrow("view.setUint16()");
323 shouldThrow("view.setInt32()");
324 shouldThrow("view.setUint32()");
325 shouldThrow("view.setFloat32()");
326 shouldThrow("view.setFloat64()");
327 shouldThrow("view.setInt8(1)");
328 shouldThrow("view.setUint8(1)");
329 shouldThrow("view.setInt16(1)");
330 shouldThrow("view.setUint16(1)");
331 shouldThrow("view.setInt32(1)");
332 shouldThrow("view.setUint32(1)");
333 shouldThrow("view.setFloat32(1)");
334 shouldThrow("view.setFloat64(1)");
335 }
336
337 function runIndexingTests()
338 {
339 debug("");
340 debug("Test for indexing that should not work");
341 view = new DataView((new Uint8Array([1, 2])).buffer);
342 shouldBeUndefined("view[0]");
343 shouldBeDefined("view[0] = 3");
344 shouldBe("view.getUint8(0)", "1");
345 }
346
347 runConstructorTests();
348 runGetTests();
349 runSetTests();
350 runIndexingTests();
351 </script>
352
353 </body>
354 </html>
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