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<!doctype html>
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE
The complete set of authors may be found at http://polymer.github.io/AUTHORS
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS
-->
<html>
<head>
<meta charset="UTF-8">
<title>iron-list test</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0">
<script src="../../webcomponentsjs/webcomponents-lite.js"></script>
<script src="../../web-component-tester/browser.js"></script>
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<script src="../../iron-test-helpers/mock-interactions.js"></script>
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<link rel="import" href="helpers.html">
<link rel="import" href="x-list.html">
</head>
<body>
<test-fixture id="trivialList">
<template>
<x-list></x-list>
</template>
</test-fixture>
<script>
suite('Different heights', function() {
var list, container;
setup(function() {
container = fixture('trivialList');
list = container.list;
});
test('render without gaps 1', function(done) {
list.items = [
{index: 0, height: 791},
{index: 1, height: 671}
];
flush(function() {
list.push('items',
{index: 2, height: 251},
{index: 3, height: 191},
{index: 4, height: 151},
{index: 5, height: 191},
{index: 6, height: 51},
{index: 7, height: 51},
{index: 8, height: 51}
);
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simulateScroll({
list: list,
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contribution: 20,
target: 100000,
onScrollEnd: done,
onScroll: function() {
list.debounce('scroll', function() {
assert.isTrue(isFullOfItems(list));
});
}
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});
});
});
test('render without gaps 2', function(done) {
var height = 2, items = [];
while (items.length < 15) {
items.push({height: height});
height *= 1.5;
}
list.items = items;
flush(function() {
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simulateScroll({
list: list,
contribution: 20,
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target: 100000,
onScrollEnd: done,
onScroll: function() {
list.debounce('scroll', function() {
assert.equal(isFullOfItems(list), true);
});
}
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});
});
});
test('render without gaps 3', function(done) {
var heights = [20, 100, 140, 117, 800, 50, 15, 80, 90, 255, 20, 15, 19, 250, 314];
list.items = heights.map(function(height) {
return {height: height};
});
flush(function() {
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simulateScroll({
list: list,
contribution: 20,
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target: 100000,
onScrollEnd: done,
onScroll: function() {
list.debounce('scroll', function() {
assert.isTrue(isFullOfItems(list));
});
}
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});
});
});
});
</script>
</body>
</html>
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