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