public void WriteWithNullThrows() { var sut = new NumberTextOutput(new StubOutput()); Assert.Throws <ArgumentNullException>(() => sut.Write(null)); }
public void WriteCallsInnerOutput(int line, string expected) { object actual = null; var sut = new NumberTextOutput( new DeletagingOutput( l => actual = l)); sut.Write(line); Assert.Equal(expected, actual); }