trait Tables extends AnyRef
Trait containing the Table object, which offers one apply factory method for
each TableForN class, TableFor1 through TableFor22.
For an introduction to using tables, see the documentation for trait TableDrivenPropertyChecks.
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- Tables.scala
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- object Table
Object containing one
applyfactory method for eachTableFor<n>class.Object containing one
applyfactory method for eachTableFor<n>class.For example, you could create a table of 5 rows and 2 colums like this:
import org.scalatest.prop.Tables._
val examples = Table( ("a", "b"), ( 1, 2), ( 2, 4), ( 4, 8), ( 8, 16), ( 16, 32) )Because you supplied 2 members in each tuple, the type you'll get back will be a
TableFor2. If you wanted a table with just one column you could write this:val moreExamples = Table( "powerOfTwo", 1, 2, 4, 8, 16 )
Or if you wanted a table with 10 columns and 10 rows, you could do this:
val multiplicationTable = Table( ("a", "b", "c", "d", "e", "f", "g", "h", "i", "j"), ( 1, 2, 3, 4, 5, 6, 7, 8, 9, 10), ( 2, 4, 6, 8, 10, 12, 14, 16, 18, 20), ( 3, 6, 9, 12, 15, 18, 21, 24, 27, 30), ( 4, 8, 12, 16, 20, 24, 28, 32, 36, 40), ( 5, 10, 15, 20, 25, 30, 35, 40, 45, 50), ( 6, 12, 18, 24, 30, 36, 42, 48, 54, 60), ( 7, 14, 21, 28, 35, 42, 49, 56, 63, 70), ( 8, 16, 24, 32, 40, 48, 56, 64, 72, 80), ( 9, 18, 27, 36, 45, 54, 63, 72, 81, 90), ( 10, 20, 30, 40, 50, 60, 70, 80, 90, 100) )
The type of
multiplicationTablewould beTableFor10. You can pass the resulting tables to aforAllmethod (defined in traitPropertyChecks), to perform a property check with the data in the table. Or, because tables are sequences of tuples, you can treat them as aSeq.