The Tor Browser / file comparison
comparison: testing/mochitest/tests/SimpleTest/WindowSnapshot.js
testing/mochitest/tests/SimpleTest/WindowSnapshot.js
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
equal
deleted
inserted
replaced
| -1:000000000000 | 0:431a21939079 |
|---|---|
| 1 var gWindowUtils; | |
| 2 | |
| 3 try { | |
| 4 gWindowUtils = SpecialPowers.getDOMWindowUtils(window); | |
| 5 if (gWindowUtils && !gWindowUtils.compareCanvases) | |
| 6 gWindowUtils = null; | |
| 7 } catch (e) { | |
| 8 gWindowUtils = null; | |
| 9 } | |
| 10 | |
| 11 function snapshotWindow(win, withCaret) { | |
| 12 return SpecialPowers.snapshotWindow(win, withCaret); | |
| 13 } | |
| 14 | |
| 15 // If the two snapshots don't compare as expected (true for equal, false for | |
| 16 // unequal), returns their serializations as data URIs. In all cases, returns | |
| 17 // whether the comparison was as expected. | |
| 18 function compareSnapshots(s1, s2, expected) { | |
| 19 var s1Str, s2Str; | |
| 20 var correct = false; | |
| 21 if (gWindowUtils) { | |
| 22 // First, check that the canvases are the same size. | |
| 23 var equal; | |
| 24 if (s1.width != s2.width || s1.height != s2.height) { | |
| 25 equal = false; | |
| 26 } else { | |
| 27 try { | |
| 28 equal = (gWindowUtils.compareCanvases(s1, s2, {}) == 0); | |
| 29 } catch (e) { | |
| 30 equal = false; | |
| 31 ok(false, "Exception thrown from compareCanvases: " + e); | |
| 32 } | |
| 33 } | |
| 34 correct = (equal == expected); | |
| 35 } | |
| 36 | |
| 37 if (!correct) { | |
| 38 s1Str = s1.toDataURL(); | |
| 39 s2Str = s2.toDataURL(); | |
| 40 | |
| 41 if (!gWindowUtils) { | |
| 42 correct = ((s1Str == s2Str) == expected); | |
| 43 } | |
| 44 } | |
| 45 | |
| 46 return [correct, s1Str, s2Str]; | |
| 47 } | |
| 48 | |
| 49 function assertSnapshots(s1, s2, expected, s1name, s2name) { | |
| 50 var [correct, s1Str, s2Str] = compareSnapshots(s1, s2, expected); | |
| 51 var sym = expected ? "==" : "!="; | |
| 52 ok(correct, "reftest comparison: " + sym + " " + s1name + " " + s2name); | |
| 53 if (!correct) { | |
| 54 var report = "REFTEST TEST-UNEXPECTED-FAIL | " + s1name + " | image comparison (" + sym + ")\n"; | |
| 55 if (expected) { | |
| 56 report += "REFTEST IMAGE 1 (TEST): " + s1Str + "\n"; | |
| 57 report += "REFTEST IMAGE 2 (REFERENCE): " + s2Str + "\n"; | |
| 58 } else { | |
| 59 report += "REFTEST IMAGE: " + s1Str + "\n"; | |
| 60 } | |
| 61 dump(report); | |
| 62 } | |
| 63 } |
