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Unified Diff: lib/src/iron-list/test/different-heights.html

Issue 1418513006: update elements and fix some bugs (Closed) Base URL: git@github.com:dart-lang/polymer_elements.git@master
Patch Set: code review updates Created 5 years, 2 months ago
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Index: lib/src/iron-list/test/different-heights.html
diff --git a/lib/src/iron-list/test/different-heights.html b/lib/src/iron-list/test/different-heights.html
new file mode 100644
index 0000000000000000000000000000000000000000..357a74c37a803bd160ce0d15fc5f378c679a983c
--- /dev/null
+++ b/lib/src/iron-list/test/different-heights.html
@@ -0,0 +1,128 @@
+<!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>
+ <script src="../../test-fixture/test-fixture-mocha.js"></script>
+ <script src="../../iron-test-helpers/mock-interactions.js"></script>
+
+ <link rel="import" href="../../test-fixture/test-fixture.html">
+ <link rel="import" href="../../paper-styles/paper-styles.html">
+ <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}
+ );
+
+ list.addEventListener('scroll', function() {
+ assert.isTrue(isFullOfItems(list));
+ });
+
+ simulateScroll({
+ list: list,
+ contribution: 15,
+ target: 100000
+ }, function() {
+ done();
+ });
+ });
+ });
+
+ 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() {
+ list.addEventListener('scroll', function() {
+ assert.isTrue(isFullOfItems(list));
+ });
+
+ simulateScroll({
+ list: list,
+ contribution: 20,
+ target: 100000
+ }, function() {
+ done();
+ });
+ });
+ });
+
+ 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() {
+ list.addEventListener('scroll', function() {
+ assert.isTrue(isFullOfItems(list));
+ });
+
+ simulateScroll({
+ list: list,
+ contribution: 20,
+ target: 100000
+ }, function() {
+ done();
+ });
+ });
+ });
+
+ });
+
+ </script>
+
+</body>
+</html>
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