it('should not be emitted if the content does not change', () => {
let model = new DocumentModel();
let called = false;
model.contentChanged.connect(() => { called = true; });
model.fromString('');
expect(called).to.be(false);
});
it('should be emitted when the content of the model changes', () => {
let model = new DocumentModel();
let called = false;
model.contentChanged.connect((sender, args) => {
expect(sender).to.be(model);
expect(args).to.be(void 0);
called = true;
});
model.fromString('foo');
expect(called).to.be(true);
});
it('should deserialize the model from a string', () => {
let model = new DocumentModel();
model.fromString('foo');
expect(model.toString()).to.be('foo');
});