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UXP-Fixed/devtools/client/responsive.html/test/unit/test_add_viewport.js
T
2018-02-02 04:16:08 -05:00

24 lines
668 B
JavaScript

/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// Test adding viewports to the page.
const { addViewport } =
require("devtools/client/responsive.html/actions/viewports");
add_task(function* () {
let store = Store();
const { getState, dispatch } = store;
equal(getState().viewports.length, 0, "Defaults to no viewpots at startup");
dispatch(addViewport());
equal(getState().viewports.length, 1, "One viewport total");
// For the moment, there can be at most one viewport.
dispatch(addViewport());
equal(getState().viewports.length, 1, "One viewport total, again");
});