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import joinClasses from '../src/lib/join-classes';
describe( 'joinClasses', function () {
it( 'returns an empty string when passed an empty array', function () {
expect( joinClasses( [] ) ).toBe( '' );
} );
it( 'returns a single class when passed a singleton array', function () {
expect( joinClasses( [ 'foo' ] ) ).toBe( 'foo' );
} );
it( 'returns two space-delimited classes when passed a doubleton array', function () {
expect( joinClasses( [ 'foo', 'bar' ] ) ).toBe( 'foo bar' );
} );
it( 'converts numeric arguments to strings', function () {
expect( joinClasses( [ 27, 0.1 ] ) ).toBe( '27 0.1' );
} );
} );
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