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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// Check that when the viewport is resized, the computed-view refreshes.
const TEST_URI = "data:text/html;charset=utf-8,<html><style>" +
"div {" +
" width: 500px;" +
" height: 10px;" +
" background: purple;" +
"} " +
"@media screen and (max-width: 200px) {" +
" div { " +
" width: 100px;" +
" }" +
"};" +
"</style><div></div></html>";
add_task(function* () {
yield addTab(TEST_URI);
info("Open the responsive design mode and set its size to 500x500 to start");
let { rdm, manager } = yield openRDM();
yield setSize(rdm, manager, 500, 500);
info("Open the inspector, computed-view and select the test node");
let {inspector, view} = yield openComputedView();
yield selectNode("div", inspector);
info("Try shrinking the viewport and checking the applied styles");
yield testShrink(view, inspector, rdm, manager);
info("Try growing the viewport and checking the applied styles");
yield testGrow(view, inspector, rdm, manager);
yield closeRDM(rdm);
yield closeToolbox();
});
function* testShrink(computedView, inspector, rdm, manager) {
is(computedWidth(computedView), "500px", "Should show 500px initially.");
let onRefresh = inspector.once("computed-view-refreshed");
yield setSize(rdm, manager, 100, 100);
yield onRefresh;
is(computedWidth(computedView), "100px", "Should be 100px after shrinking.");
}
function* testGrow(computedView, inspector, rdm, manager) {
let onRefresh = inspector.once("computed-view-refreshed");
yield setSize(rdm, manager, 500, 500);
yield onRefresh;
is(computedWidth(computedView), "500px", "Should be 500px after growing.");
}
function computedWidth(computedView) {
for (let prop of computedView.propertyViews) {
if (prop.name === "width") {
return prop.valueNode.textContent;
}
}
return null;
}
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