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/*global Handlebars, shouldCompileTo */
describe('utils', function() {
describe('#SafeString', function() {
it("constructing a safestring from a string and checking its type", function() {
var safe = new Handlebars.SafeString("testing 1, 2, 3");
if (!(safe instanceof Handlebars.SafeString)) {
throw new Error('Must be instance of SafeString');
}
equals(safe == 'testing 1, 2, 3', true, 'SafeString is equivalent to its underlying string');
});
it("it should not escape SafeString properties", function() {
var name = new Handlebars.SafeString("<em>Sean O'Malley</em>");
shouldCompileTo('{{name}}', [{ name: name }], "<em>Sean O'Malley</em>");
});
});
describe('#escapeExpression', function() {
it('shouhld escape html', function() {
equals(Handlebars.Utils.escapeExpression('foo<&"\'>'), 'foo<&"'>');
});
it('should not escape SafeString', function() {
var string = new Handlebars.SafeString('foo<&"\'>');
equals(Handlebars.Utils.escapeExpression(string), 'foo<&"\'>');
});
it('should handle falsy', function() {
equals(Handlebars.Utils.escapeExpression(''), '');
equals(Handlebars.Utils.escapeExpression(undefined), '');
equals(Handlebars.Utils.escapeExpression(null), '');
equals(Handlebars.Utils.escapeExpression(false), '');
equals(Handlebars.Utils.escapeExpression(0), '0');
});
it('should handle empty objects', function() {
equals(Handlebars.Utils.escapeExpression({}), {}.toString());
equals(Handlebars.Utils.escapeExpression([]), [].toString());
});
});
describe('#isEmpty', function() {
it('should not be empty', function() {
equals(Handlebars.Utils.isEmpty(undefined), true);
equals(Handlebars.Utils.isEmpty(null), true);
equals(Handlebars.Utils.isEmpty(false), true);
equals(Handlebars.Utils.isEmpty(''), true);
equals(Handlebars.Utils.isEmpty([]), true);
});
it('should be empty', function() {
equals(Handlebars.Utils.isEmpty(0), false);
equals(Handlebars.Utils.isEmpty([1]), false);
equals(Handlebars.Utils.isEmpty('foo'), false);
equals(Handlebars.Utils.isEmpty({bar: 1}), false);
});
});
});
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