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      1 <!doctype html>
      2 <!--
      3 Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
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      5 The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
      6 The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
      7 Code distributed by Google as part of the polymer project is also
      8 subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
      9 -->
     10 <html>
     11 <head>
     12   <meta charset="UTF-8">
     13   <title>paper-autogrow-textarea tests</title>
     14   <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0">
     15 
     16   <script src="../../webcomponentsjs/webcomponents.js"></script>
     17   <script src="../../web-component-tester/browser.js"></script>
     18 
     19   <link href="../paper-autogrow-textarea.html" rel="import">
     20 
     21   <style>
     22     paper-autogrow-textarea {
     23       background-color: black;
     24     }
     25 
     26     textarea {
     27       background-color: yellow;
     28     }
     29   </style>
     30 
     31 </head>
     32 <body>
     33 
     34   <paper-autogrow-textarea id="autogrow1">
     35     <textarea id="textarea1"></textarea>
     36   </paper-autogrow-textarea>
     37 
     38   <paper-autogrow-textarea id="autogrow2" rows="2" maxRows="4">
     39     <textarea id="textarea2"></textarea>
     40   </paper-autogrow-textarea>
     41 
     42   <script>
     43 
     44     var a1 = document.getElementById('autogrow1');
     45     var t1 = document.getElementById('textarea1');
     46 
     47     function dispatchInputEvent(target) {
     48       var e = new Event('input', {
     49         bubbles: true
     50       });
     51       target.dispatchEvent(e);
     52     };
     53 
     54     function between(val, val1, val2) {
     55       return assert.ok(val > val1 && val < val2);
     56     }
     57 
     58     suite('basic', function() {
     59 
     60       teardown(function(done) {
     61         t1.value = '';
     62         dispatchInputEvent(t1);
     63         a1.rows = 1;
     64         a1.maxRows = 0;
     65 
     66         flush(function() {
     67           done();
     68         });
     69       });
     70 
     71       test('empty input has height', function() {
     72         assert.ok(a1.offsetHeight > 0);
     73       });
     74 
     75       test('accepts number input', function() {
     76         t1.value = 1;
     77         dispatchInputEvent(t1);
     78         // make sure we didn't crash
     79       });
     80 
     81       test('grows with more rows of input', function(done) {
     82         t1.value = 'foo\nbar';
     83         dispatchInputEvent(t1);
     84 
     85         var h1 = a1.offsetHeight;
     86 
     87         t1.value = 'foo\nbar\nbaz';
     88         dispatchInputEvent(t1);
     89 
     90         flush(function() {
     91           var h2 = a1.offsetHeight;
     92           assert.ok(h2 > h1);
     93           assert.deepEqual(a1.getBoundingClientRect(), t1.getBoundingClientRect());
     94           done();
     95         });
     96       });
     97 
     98       test('honors the rows attribute', function(done) {
     99         var h1 = a1.offsetHeight;
    100         a1.rows = 2;
    101 
    102         flush(function() {
    103           var h2 = a1.offsetHeight;
    104           between(h2, h1, 3 * h1);
    105           done();
    106         });
    107       });
    108 
    109       test('honors the maxRows attribute', function(done) {
    110         var h1 = a1.offsetHeight;
    111         a1.maxRows = 2;
    112 
    113         t1.value = 'foo\nbar\nbaz\nzot';
    114         dispatchInputEvent(t1);
    115 
    116         flush(function() {
    117           var h2 = a1.offsetHeight;
    118           assert.ok(h2 < 3 * h1);
    119           done();
    120         });
    121       });
    122 
    123       test('mirror text is visibility:hidden', function() {
    124         assert.equal(getComputedStyle(a1.$.mirror).visibility, 'hidden');
    125       });
    126 
    127       test('grows with a long word', function(done) {
    128         var h1 = a1.offsetHeight;
    129 
    130         t1.value = Array(1000).join("P");
    131         dispatchInputEvent(t1);
    132 
    133         flush(function() {
    134           var h2 = a1.offsetHeight;
    135           assert.ok(h2 > h1);
    136           assert.deepEqual(a1.getBoundingClientRect(), t1.getBoundingClientRect());
    137           done();
    138         });
    139       });
    140 
    141     });
    142 
    143   </script>
    144 
    145 </body>
    146 </html>
    147