eg.ArithmeticColumnFixture
x y plus() minus() times() divide()
200 300 500 -100 60000 0
400 20 420 380 8000 20
This is created using Excel for OS X. Original version - no patches.
java.lang.NumberFormatException
	at java.lang.Throwable.(Throwable.java:33)
	at java.lang.Exception.(Exception.java:20)
	at java.lang.RuntimeException.(RuntimeException.java:17)
	at java.lang.IllegalArgumentException.(IllegalArgumentException.java:17)
	at java.lang.NumberFormatException.(NumberFormatException.java:17)
	at java.lang.Integer.parseUnsignedInt(Integer.java:148)
	at java.lang.Integer.parseInt(Integer.java:135)
	at java.lang.Integer.parseInt(Integer.java:121)
	at fit.TypeAdapter$ClassIntegerAdapter.parse(TypeAdapter.java:135)
	at fit.ColumnFixture.doCell(ColumnFixture.java:27)
	at fit.Fixture.doCells(Fixture.java:55)
	at fit.Fixture.doRow(Fixture.java:49)
	at fit.Fixture.doRows(Fixture.java:43)
	at fit.ColumnFixture.doRows(ColumnFixture.java:16)
	at fit.Fixture.doTable(Fixture.java:38)
	at fit.Fixture.doTables(Fixture.java:28)
	at fit.FileRunner.run(FileRunner.java:24)
	at fit.FileRunner.main(FileRunner.java:17)