.should be_true
.should be_false
.should == 9
.should eql(1)
.should be_valid
.should have(3).items
.should have(1).error_on(:some_field_name)
.should have(:no).errors_on(:some_field_name)
.should_not change(User, :count)
.should_not be_nil
.should be_pending
.should be_true
.should be_false
.should be_nil
.should be_empty
.should be_old_enough(16)
.should_not include("red")
.should match(/^([^\s]+)((?:[-a-z0-9]+\.)+[a-z]{2,})$/i)
.should be_close(3.0, 0.5)
.should_not be_instance_of(Float)
.should change(person, :birthday).from(32).to(33)
response.should be_success
response.should be_redirect
response.should redirect_to(:action => 'other_action')
response.should redirect_to('path/to/local/redirect')
response.should redirect_to('http://test.host/some_controller/some_action')
response.should redirect_to('http://some.other.domain.com')