public void CanLogicalOr() { var env = new StandardEnvironment(); Assert.AreEqual(null, env.Or(null, null)); Assert.AreEqual(null, env.Or(null, false)); Assert.AreEqual(true, env.Or(null, true)); Assert.AreEqual(null, env.Or(false, null)); Assert.AreEqual(false, env.Or(false, false)); Assert.AreEqual(true, env.Or(false, true)); Assert.AreEqual(true, env.Or(true, null)); Assert.AreEqual(true, env.Or(true, false)); Assert.AreEqual(true, env.Or(true, true)); }