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

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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's consumeDelta method throws on invalid deltas</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 testConsumingDelta(dx, dy, consume_x, consume_y, testName, expectedErro r) {

	18 test(function() {

	19 var scrollState = new ScrollState(dx, dy);

	20 assert_throws('InvalidModificationError', function() {

	21 scrollState.consumeDelta(consume_x, consume_y);

	22 });

	23 }, testName);

	24 }

	25

	26 // Consume from an event with a delta of (5, 5).

	27 testConsumingDelta(5, 5, 6, 4, "Overconsumed X");

	28 testConsumingDelta(5, 5, 4, 6, "Overconsumed Y");

	29 testConsumingDelta(5, 5, -1, 4, "Can't increase X delta");

	30 testConsumingDelta(5, 5, 4, -1, "Can't increase Y delta");

	31

	32 // Consume from an event with a delta of (-5, -5).

	33 testConsumingDelta(-5, -5, -6, -4, "Overconsumed X with negative delta");

	34 testConsumingDelta(-5, -5, -4, -6, "Overconsumed Y with negative delta");

	35 testConsumingDelta(-5, -5, 1, -4, "Can't increase X delta magnitude");

	36 testConsumingDelta(-5, -5, -4, 1, "Can't increase Y delta magnitude");

	37 </script>

	38 </body>

	39 </html>

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