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Bug 1414920 Part 2: Add test of getElementsWithGrid. r=dholbert

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MozReview-Commit-ID: GwBlW6Qw3NZ

--HG--
extra : rebase_source : 2de3a02f48fd994dfb8e1ad9beb9d895682b9c7d
This commit is contained in:
Brad Werth 2017-10-31 13:53:40 -07:00
parent c9815751c2
commit f6f94ad8e2
2 changed files with 116 additions and 0 deletions
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1
dom/base/test/chrome/chrome.ini
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@ -63,6 +63,7 @@ support-files = ../file_bug357450.js
[test_bug1209621.xul]
[test_bug1346936.html]
[test_cpows.xul]
[test_getElementsWithGrid.html]
[test_registerElement_content.xul]
[test_registerElement_ep.xul]
[test_domparsing.xul]

115
dom/base/test/chrome/test_getElementsWithGrid.html Normal file
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@ -0,0 +1,115 @@
<!doctype html>
<html id="root" class="g">
<head>
<meta charset="utf-8">
<script type="text/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css" />
<style>
.no-match {
display: block;
}
.g {
display: grid;
}
.s {
display: subgrid;
}
.gi {
display: inline-grid;
}
</style>
<script>
'use strict';
SimpleTest.waitForExplicitFinish();
function testTargetsAreInElements(targets, elements) {
let c = 0;
for (let target of targets) {
if (c >= elements.length) {
ok(false, "We have more targets than elements found.");
break;
}
let element = elements[c];
let isMatching = (target.id == element.id);
let test_function = (target.todo ? todo : ok);
test_function(isMatching, "Should find " + target.message + ".");
// Only move to the next element in the elements if this one was a match.
// This handles the case of an unexpected element showing up, and prevents
// cascading errors in that case. If we've instead screwed up the target
// list, then we will get cascading errors.
if (isMatching) {
++c;
}
}
// Make sure we don't have any extra elements after going through all the targets.
is(c, elements.length, "We found more elements than we have targets.");
}
function runTests() {
// Part 1: Look for all the grid elements starting from the document root.
let elementsFromRoot = document.documentElement.getElementsWithGrid();
is(elementsFromRoot.length, 8, "Found expected number of elements within document root.");
// Check that the expected elements were returned.
// Targets are provided in order we expect them to appear.
// Has to end in a non-todo element in order for testing logic to work.
let targetsFromRoot = [
{id:"root", message:"root with display:grid"},
{id:"a", message:"'plain' grid container with display:grid"},
{id:"b", message:"display:subgrid inside display:grid (to be fixed in Bug 1240834)", todo:true},
{id:"c", message:"'plain' grid container with display:inline-grid"},
{id:"d", message:"display:subgrid inside display:inline-grid (to be fixed in Bug 1240834)", todo:true},
{id:"e", message:"grid container with visibility:hidden"},
{id:"f", message:"grid container inside a display:none element"},
{id:"g", message:"overflow:scroll grid container"},
{id:"h", message:"button as a grid container"},
{id:"i", message:"fieldset as a grid container"},
];
testTargetsAreInElements(targetsFromRoot, elementsFromRoot);
// Part 2: Look for all the grid elements starting from a non-root element.
let elementsFromNonRoot = document.getElementById("a_non_root_element").getElementsWithGrid();
is(elementsFromNonRoot.length, 1, "Found expected number of elements from non-root element.");
let targetsFromNonRoot = [
{id:"f", message:"grid container inside a display:none element (from non-root element)"},
];
testTargetsAreInElements(targetsFromNonRoot, elementsFromNonRoot);
SimpleTest.finish();
}
</script>
</head>
<body onLoad="runTests();">
<div id="a" class="g">
<div class="no-match"></div>
<div id="b" class="s"></div>
</div>
<div class="no-match"></div>
<div id="c" class="gi">
<div id="d" class="s"></div>
</div>
<div id="e" class="g" style="visibility:hidden"></div>
<div id="a_non_root_element" style="display:none"><div id="f" class="g"></div></div>
<div class="no-match"></div>
<div id="g" style="overflow:scroll" class="g"></div>
<button id="h" class="g"></button>
<fieldset id="i" class="g"></fieldset>
</body>
</html>