define(["require", "exports", "./aria"], function (require, exports, aria_1) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    describe('aria utils tests', function () {
        describe('mergeAriaAttributeValues tests', function () {
            var mergeTestCases = [
                {
                    description: 'returns undefined when given no args',
                    cases: [
                        {
                            args: [],
                            expected: undefined,
                        },
                    ],
                },
                {
                    description: 'returns undefined when given undefined and empty args',
                    cases: [
                        {
                            args: [undefined],
                            expected: undefined,
                        },
                        {
                            args: [undefined, undefined],
                            expected: undefined,
                        },
                        {
                            args: [''],
                            expected: undefined,
                        },
                        {
                            args: [undefined, ''],
                            expected: undefined,
                        },
                    ],
                },
                {
                    description: 'returns arg when given one valid arg',
                    cases: [
                        {
                            args: ['arg1'],
                            expected: 'arg1',
                        },
                        {
                            args: ['arg1', undefined],
                            expected: 'arg1',
                        },
                        {
                            args: [undefined, 'arg1', undefined],
                            expected: 'arg1',
                        },
                        {
                            args: ['', 'arg1', ''],
                            expected: 'arg1',
                        },
                    ],
                },
                {
                    description: 'returns merged args when given multiple valid args',
                    cases: [
                        {
                            args: ['arg1', 'arg2'],
                            expected: 'arg1 arg2',
                        },
                        {
                            args: ['arg1', undefined],
                            expected: 'arg1',
                        },
                        {
                            args: [undefined, 'arg1', undefined],
                            expected: 'arg1',
                        },
                        {
                            args: ['', 'arg1', ''],
                            expected: 'arg1',
                        },
                        {
                            args: ['', 'arg1', 'arg2 '],
                            expected: 'arg1 arg2',
                        },
                        {
                            args: ['', ''],
                            expected: undefined,
                        },
                        {
                            args: [' ', ' '],
                            expected: undefined,
                        },
                    ],
                },
            ];
            mergeTestCases.forEach(function (test) {
                test.cases.forEach(function (testCase, index) {
                    it(test.description + ', case #' + index, function () {
                        var merged = aria_1.mergeAriaAttributeValues.apply(void 0, testCase.args);
                        expect(merged).toEqual(testCase.expected);
                    });
                });
            });
        });
    });
});
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