/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict" ;
/**
* Tests utility function in `classnames.js`
*/
const classnames = require("resource://devtools/client/shared/classnames.js");
add_task(async function () {
Assert .equal(
classnames(),
"" ,
"Returns an empty string when called with no params"
);
Assert .equal(
classnames(null , undefined, false ),
"" ,
"Returns an empty string when called with only falsy params"
);
Assert .equal(
classnames("hello" ),
"hello" ,
"Returns expected result when string is passed"
);
Assert .equal(
classnames("hello" , "" , "world" ),
"hello world" ,
"Doesn't add extra spaces for empty strings"
);
Assert .equal(
classnames("hello" , null , undefined, false , "world" ),
"hello world" ,
"Doesn't add extra spaces for falsy values"
);
Assert .equal(
classnames("hello" , { nice: true , blue: 42, world: {} }),
"hello nice blue world" ,
"Add property key when property value is truthy"
);
Assert .equal(
classnames("hello" , { nice: false , blue: null , world: false }),
"hello" ,
"Does not add property key when property value is falsy"
);
Assert .equal(
classnames("hello" , { nice: true }, { blue: true }, "world" ),
"hello nice blue world" ,
"Handles multiple objects"
);
});
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