53 lines
1.4 KiB
JavaScript
53 lines
1.4 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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/**
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* Tests utility function in `classnames.js`
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*/
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const classnames = require("resource://devtools/client/shared/classnames.js");
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add_task(async function () {
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Assert.equal(
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classnames(),
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"",
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"Returns an empty string when called with no params"
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);
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Assert.equal(
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classnames(null, undefined, false),
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"",
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"Returns an empty string when called with only falsy params"
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);
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Assert.equal(
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classnames("hello"),
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"hello",
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"Returns expected result when string is passed"
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);
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Assert.equal(
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classnames("hello", "", "world"),
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"hello world",
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"Doesn't add extra spaces for empty strings"
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);
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Assert.equal(
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classnames("hello", null, undefined, false, "world"),
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"hello world",
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"Doesn't add extra spaces for falsy values"
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);
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Assert.equal(
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classnames("hello", { nice: true, blue: 42, world: {} }),
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"hello nice blue world",
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"Add property key when property value is truthy"
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);
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Assert.equal(
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classnames("hello", { nice: false, blue: null, world: false }),
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"hello",
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"Does not add property key when property value is falsy"
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);
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Assert.equal(
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classnames("hello", { nice: true }, { blue: true }, "world"),
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"hello nice blue world",
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"Handles multiple objects"
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);
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});
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