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
apply
factory method for eachTableFor<n>
class.Object containing one
apply
factory 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
multiplicationTable
would beTableFor10
. You can pass the resulting tables to aforAll
method (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
.