Bug 164040 – REGRESSION: [mac] LayoutTest svg/custom/acid3-test-77.html is a flaky failure

• Component: WebCore Misc.
• Status: RESOLVED CONFIGURATION CHANGED

[Ryan Haddad]

LayoutTest svg/custom/acid3-test-77.html is a flaky failure

https://build.webkit.org/builders/Apple%20Yosemite%20Release%20WK1%20(Tests)/builds/19302

https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=svg%2Fcustom%2Facid3-test-77.html

--- /Volumes/Data/slave/yosemite-release-tests-wk1/build/layout-test-results/svg/custom/acid3-test-77-expected.txt
+++ /Volumes/Data/slave/yosemite-release-tests-wk1/build/layout-test-results/svg/custom/acid3-test-77-actual.txt
@@ -4,24 +4,24 @@
 
 
 PASS text.getNumberOfChars() is 3
-PASS text.getComputedTextLength() is 4780
-PASS text.getSubStringLength(0,1) is 44
-PASS text.getSubStringLength(0,2) is 68
-PASS text.getSubStringLength(1,1) is 24
+FAIL text.getComputedTextLength() should be 4780. Was 5550.78125.
+FAIL text.getSubStringLength(0,1) should be 44. Was 1775.390625.
+FAIL text.getSubStringLength(0,2) should be 68. Was 3775.390625.
+FAIL text.getSubStringLength(1,1) should be 24. Was 2000.
 PASS text.getSubStringLength(1,0) is 0
-PASS text.getSubStringLength(1, 3) is 4736
-PASS text.getSubStringLength(0, 4) is 4780
+FAIL text.getSubStringLength(1, 3) should be 4736. Was 3775.390625.
+FAIL text.getSubStringLength(0, 4) should be 4780. Was 5550.78125.
 PASS text.getSubStringLength(3, 0) threw exception IndexSizeError (DOM Exception 1): The index is not in the allowed range..
 PASS text.getSubStringLength(-17, 20) threw exception IndexSizeError (DOM Exception 1): The index is not in the allowed range..
 PASS text.getStartPositionOfChar(0).x is 0
-PASS text.getStartPositionOfChar(1).x is 44
-PASS text.getStartPositionOfChar(2).x is 68
+FAIL text.getStartPositionOfChar(1).x should be 44. Was 1775.390625.
+FAIL text.getStartPositionOfChar(2).x should be 68. Was 3775.390625.
 PASS text.getStartPositionOfChar(0).y is 4000
 PASS text.getEndPositionOfChar(-1) threw exception IndexSizeError (DOM Exception 1): The index is not in the allowed range..
 PASS text.getEndPositionOfChar(4) threw exception IndexSizeError (DOM Exception 1): The index is not in the allowed range..
-PASS text.getEndPositionOfChar(0).x is 44
-PASS text.getEndPositionOfChar(1).x is 68
-PASS text.getEndPositionOfChar(2).x is 4780
+FAIL text.getEndPositionOfChar(0).x should be 44. Was 1775.390625.
+FAIL text.getEndPositionOfChar(1).x should be 68. Was 3775.390625.
+FAIL text.getEndPositionOfChar(2).x should be 4780. Was 5550.78125.
 PASS text.getEndPositionOfChar(-17) threw exception IndexSizeError (DOM Exception 1): The index is not in the allowed range..
 PASS text.getEndPositionOfChar(4) threw exception IndexSizeError (DOM Exception 1): The index is not in the allowed range..
 PASS successfullyParsed is true

[Radar WebKit Bug Importer]

<rdar://problem/29273084>

[Ryan Haddad]

This is no longer an issue according to flakiness dashboard:
https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=svg%2Fcustom%2Facid3-test-77.html%20