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Unified Diff: LayoutTests/fast/scroll-behavior/listbox-scrollTop.html

Issue 378953002: Test framework and tests for CSSOM View smooth scroll (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 6 years, 5 months ago
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Index: LayoutTests/fast/scroll-behavior/listbox-scrollTop.html
diff --git a/LayoutTests/fast/scroll-behavior/listbox-scrollTop.html b/LayoutTests/fast/scroll-behavior/listbox-scrollTop.html
new file mode 100644
index 0000000000000000000000000000000000000000..37ec74451154d7b81282e1e48f2a21bb19e53c3b
--- /dev/null
+++ b/LayoutTests/fast/scroll-behavior/listbox-scrollTop.html
@@ -0,0 +1,75 @@
+<!DOCTYPE html>
+<html>
+<head>
+ <script src="../../resources/testharness.js"></script>
+ <script src="../../resources/testharnessreport.js"></script>
+ <script src="resources/scroll-behavior-test.js"></script>
+ <script type="text/javascript">
+ const numItems = 500;
+
+ function ListBoxScrollTopTestCase(testData) {
+ ScrollBehaviorTestCase.call(this, testData);
+ }
+ ListBoxScrollTopTestCase.prototype = Object.create(ScrollBehaviorTestCase.prototype);
+ ListBoxScrollTopTestCase.constructor = ListBoxScrollTopTestCase;
+ ListBoxScrollTopTestCase.prototype.run = function() {
+ var element = document.getElementById("listbox");
+ element.style.scrollBehavior = this.css;
+ if (this.js) {
+ element.scrollTop = {y: this.y, behavior: this.js};
+ } else {
+ element.scrollTop = this.y;
+ }
+ }
+
+ var testScrolls = [
+ {js: "instant", css: "instant", index: 2},
+ {js: "instant", css: "smooth", index: 3},
+ {js: "auto", css: "instant", index: 4},
+ {js: "", css: "instant", index: 5},
+ {js: "smooth", css: "instant", waitForEnd: true, index: 15},
+ {js: "smooth", css: "smooth", waitForEnd: true, index: 20},
+ {js: "auto", css: "smooth", waitForEnd: true, index: 30},
+ {js: "", css: "smooth", waitForEnd: true, index: 35},
+ {js: "smooth", css: "instant", waitForEnd: false, index: 410},
+ {js: "smooth", css: "smooth", waitForEnd: false, index: 20},
+ {js: "auto", css: "smooth", waitForEnd: false, index: 400},
+ {js: "", css: "smooth", waitForEnd: false, index: 5},
+ ];
+
+ function initializeContents(listbox)
+ {
+ for (var i = 0; i < numItems; i++) {
+ var option = document.createElement("option");
+ option.appendChild(document.createTextNode(i));
+ listbox.appendChild(option);
+ }
+ }
+
+function doTest()
+ {
+ var element = document.getElementById("listbox");
+ initializeContents(element);
+ var itemHeight = (listbox.scrollHeight - listbox.clientHeight) / (numItems - listbox.size);
+
+ var testCases = [];
+ for (var i = 0; i < testScrolls.length; i++) {
+ // Convert from list box item index to a scroll offset.
+ testScrolls[i].y = testScrolls[i].index * itemHeight;
+ testScrolls[i].x = 0;
+ testCases.push(new ListBoxScrollTopTestCase(testScrolls[i]));
+ }
+
+ var scrollBehaviorTest = new ScrollBehaviorTest(element, element, testCases);
+ scrollBehaviorTest.run();
+ }
+
+ window.addEventListener('load', doTest, false);
+ </script>
+</head>
+
+<body>
+ <p>Test that setting scrollTop on a listbox works with both scroll behaviors</p>
+ <select size="4" id="listbox"></select>
+</body>
+</html>

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