it('createStateKeySetter is memoized', function() {
var instance = <TestComponent />;
ReactTestUtils.renderIntoDocument(instance);
expect(instance.state).toEqual({foo: 'foo'});
var foo1 = ReactStateSetters.createStateKeySetter(instance, 'foo');
var bar1 = ReactStateSetters.createStateKeySetter(instance, 'bar');
var foo2 = ReactStateSetters.createStateKeySetter(instance, 'foo');
var bar2 = ReactStateSetters.createStateKeySetter(instance, 'bar');
expect(foo2).toBe(foo1);
expect(bar2).toBe(bar1);
});
it('createStateKeySetter should update state', function() {
var instance = <TestComponent />;
ReactTestUtils.renderIntoDocument(instance);
expect(instance.state).toEqual({foo: 'foo'});
var setter = ReactStateSetters.createStateKeySetter(instance, 'foo');
expect(instance.state).toEqual({foo: 'foo'});
setter('bar');
expect(instance.state).toEqual({foo: 'bar'});
setter('baz');
expect(instance.state).toEqual({foo: 'baz'});
});
linkState: function(key) {
return new ReactLink(
this.state[key],
ReactStateSetters.createStateKeySetter(this, key)
);
}