public void testEmpty() { HGrid g = new HGridBuilder().toGrid(); Assert.AreEqual(g.meta, HDict.Empty); Assert.AreEqual(g.numRows, 0); Assert.IsTrue(g.isEmpty()); Assert.IsNull(g.col("foo", false)); try { g.col("foo"); Assert.Fail(); } catch (UnknownNameException) { Assert.IsTrue(true); } }