LayoutTests/fast/scroll-behavior/scroll-customization/scrollstate-consume-deltas.html - Issue 850443002: Scroll Customization Prototype (Not for review, WIP)

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Side by Side Diff: LayoutTests/fast/scroll-behavior/scroll-customization/scrollstate-consume-deltas.html

Issue 850443002: Scroll Customization Prototype (Not for review, WIP) (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master

Patch Set: Rebase / cleanup / minor bug fixes Created 5 years, 9 months ago

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	1 <!DOCTYPE html>

	2 <html>

	3 <head>

	4 <title>ScrollState consumeDelta</title>

	5 <script src="../../../resources/testharness.js"></script>

	6 <script src="../../../resources/testharnessreport.js"></script>

	7 </head>

	8 <body>

	9 <script>

	10

	11 if (!window.internals \|\| !window.internals.runtimeFlags.scrollCustomizationEnabl ed) {

	12 console.log("These tests only work with window.internals exposed, " +

	13 "and require scroll customization.");

	14 done();

	15 }

	16

	17 function deltaShouldBe(scrollState, x, y, testName) {

	18 test(function() {

	19 assert_equals(scrollState.deltaX, x);

	20 assert_equals(scrollState.deltaY, y);

	21 }, testName);

	22 }

	23

	24 var scrollState = new ScrollState(10, -20);

	25 deltaShouldBe(scrollState, 10, -20, "Unconsumed deltas");

	26 scrollState.consumeDelta(2, -3);

	27 deltaShouldBe(scrollState, 8, -17, "Partially consumed deltas");

	28 scrollState.consumeDelta(8, -17);

	29 deltaShouldBe(scrollState, 0, 0, "Fully consumed deltas");

	30 </script>

	31 </body>

	32 </html>

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