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Unified Diff: LayoutTests/fast/css/invalidation/scrollbar-pseudo-classes.html

Issue 654683003: No subtree recalc for scrollbar pseudo classes. (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git/+/master
Patch Set: Try to fix Mac rendering issues in ref-test. Created 6 years, 2 months ago
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Index: LayoutTests/fast/css/invalidation/scrollbar-pseudo-classes.html
diff --git a/LayoutTests/fast/css/invalidation/scrollbar-pseudo-classes.html b/LayoutTests/fast/css/invalidation/scrollbar-pseudo-classes.html
new file mode 100644
index 0000000000000000000000000000000000000000..f29db013b3dc92b90ae370cb30ae99448025539d
--- /dev/null
+++ b/LayoutTests/fast/css/invalidation/scrollbar-pseudo-classes.html
@@ -0,0 +1,113 @@
+<!DOCTYPE html>
+<style>
+.scroller {
+ width: 100px;
+ height: 30px;
+ overflow: scroll;
+}
+.scroller::-webkit-scrollbar {
+ width: 10px;
+ height: 10px;
+}
+
+#t1 .scroller::-webkit-scrollbar:corner-present { background-color: red; }
+#t1.t1 .scroller::-webkit-scrollbar:corner-present { background-color: green; }
+
+#t2 .scroller::-webkit-scrollbar-button:decrement { background-color: red; }
+#t2.t2 .scroller::-webkit-scrollbar-button:decrement { background-color: green; }
+
+#t3 .scroller::-webkit-scrollbar-button:increment { background-color: red; }
+#t3.t3 .scroller::-webkit-scrollbar-button:increment { background-color: green; }
+
+#t4 .scroller::-webkit-scrollbar:horizontal { background-color: red; }
+#t4.t4 .scroller::-webkit-scrollbar:horizontal { background-color: green; }
+
+#t5 .scroller::-webkit-scrollbar:vertical { background-color: red; }
+#t5.t5 .scroller::-webkit-scrollbar:vertical { background-color: green; }
+
+#t6 .scroller::-webkit-scrollbar-button:start { background-color: red; }
+#t6.t6 .scroller::-webkit-scrollbar-button:start { background-color: green; }
+
+#t7 .scroller::-webkit-scrollbar-button:end { background-color: red; }
+#t7.t7 .scroller::-webkit-scrollbar-button:end { background-color: green; }
+
+#t8 .scroller::-webkit-scrollbar-button:single-button { background-color: red; }
+#t8.t8 .scroller::-webkit-scrollbar-button:single-button { background-color: green; }
+#t8 .scroller::-webkit-scrollbar-button:double-button { background-color: red; }
+#t8.t8 .scroller::-webkit-scrollbar-button:double-button { background-color: green; }
+
+</style>
+<div id="t1">
+ <div>
+ <div class="scroller">FAIL</div>
+ </div>
+ <div></div><div></div><div></div><div></div><div></div><div></div><div></div>
+</div>
+<div id="t2">
+ <div>
+ <div class="scroller">FAIL</div>
+ </div>
+ <div></div><div></div><div></div><div></div><div></div><div></div><div></div>
+</div>
+<div id="t3">
+ <div>
+ <div class="scroller">FAIL</div>
+ </div>
+ <div></div><div></div><div></div><div></div><div></div><div></div><div></div>
+</div>
+<div id="t4">
+ <div>
+ <div class="scroller">FAIL</div>
+ </div>
+ <div></div><div></div><div></div><div></div><div></div><div></div><div></div>
+</div>
+<div id="t5">
+ <div>
+ <div class="scroller">FAIL</div>
+ </div>
+ <div></div><div></div><div></div><div></div><div></div><div></div><div></div>
+</div>
+<div id="t6">
+ <div>
+ <div class="scroller">FAIL</div>
+ </div>
+ <div></div><div></div><div></div><div></div><div></div><div></div><div></div>
+</div>
+<div id="t7">
+ <div>
+ <div class="scroller">FAIL</div>
+ </div>
+ <div></div><div></div><div></div><div></div><div></div><div></div><div></div>
+</div>
+<div id="t8">
+ <div>
+ <div class="scroller">FAIL</div>
+ </div>
+ <div></div><div></div><div></div><div></div><div></div><div></div><div></div>
+</div>
+<script>
+function invalidateScroller(testId, expectedCount) {
+ var testElement = document.getElementById(testId);
+ var scroller = testElement.querySelector(".scroller");
+ testElement.offsetTop; // Force recalc;
+ testElement.className = testId;
+ if (window.internals) {
+ var count = internals.updateStyleAndReturnAffectedElementCount();
+ if (count == expectedCount)
+ scroller.innerText = "PASS";
+ else
+ scroller.innerText = "FAIL: "+count;
+ }
+}
+
+// Invalidation counts are 2 (#t<n> and .scroller) plus pseudo elements
+
+invalidateScroller("t1", 4); // pseudo count 2: 2 bars
+invalidateScroller("t2", 8); // pseudo count 6: 2 bars + 4 buttons
+invalidateScroller("t3", 8); // pseudo count 6: 2 bars + 4 buttons
+invalidateScroller("t4", 4); // pseudo count 6: 2 bars + 4 buttons
+invalidateScroller("t5", 4); // pseudo count 2: 2 bars
+invalidateScroller("t6", 8); // pseudo count 6: 2 bars + 4 buttons
+invalidateScroller("t7", 8); // pseudo count 6: 2 bars + 4 buttons
+invalidateScroller("t8", 8); // pseudo count 6: 2 bars + 4 buttons
+</script>
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