"I, as leader of the opposition, have proceeded to test their doctrine, and they hate it," he said.
There are problems looming in Jerry's family, however, that will test his doctrine of avoidance and escape, problems that will make him aware of the consequences of failing to communicate.
Then real world events started to test that doctrine harshly.Team Obama learned that in foreign policy, others get a vote: from Islamic State (IS) fanatics to muscle-flexing Chinese generals to territory-grabbing Russian leaders.
Holmes wrote in the second preface to Elsie Venner, his first novel, that his aim in writing the work was "to test the doctrine of 'original sin' and human responsibility for the distorted violation coming under that technical denomination".
"But the actions taken by France, Germany and Belgium question that time-tested doctrine".
Such assignments would test the emerging doctrine that American forces can be committed only when America's own casualties are likely to be zero.
These exercises tested the Navy's evolving doctrine and tactics for the use of carriers.
During World War II this doctrine was severely tested when Switzerland was literally caught in the middle of an air war and subjected to both attacks and intrusions by aircraft of all combatants.
In the third, subjects were tested on their views of religious doctrines ("God dictates celebrating the Sabbath").
And imagine how the atheist doctrine of North Korea might be tested by a man who was once celebrated with London street graffiti reading "Clapton Is God".
If China went to war, it would be fielding systems and doctrines that have never been tested in live combat.
