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// See LICENSE for license details.
package chiselTests
import org.scalatest._
import org.scalatest.prop._
import org.scalacheck._
import Chisel._
import Chisel.testers._
/** Common utility functions for Chisel unit tests. */
trait ChiselRunners {
def execute(t: => BasicTester): Boolean = TesterDriver.execute(t)
def elaborate(t: => Module): Circuit = TesterDriver.elaborate(t)
}
/** Spec base class for BDD-style testers. */
class ChiselFlatSpec extends FlatSpec with ChiselRunners with Matchers
/** Spec base class for property-based testers. */
class ChiselPropSpec extends PropSpec with ChiselRunners with PropertyChecks {
def popCount(n: Long) = n.toBinaryString.count(_=='1')
val smallPosInts = Gen.choose(1, 7)
val safeUIntWidth = Gen.choose(1, 30)
val safeUInts = Gen.choose(0, (1 << 30))
val vecSizes = Gen.choose(0, 4)
val binaryString = for(i <- Arbitrary.arbitrary[Int]) yield "b" + i.toBinaryString
def enSequence(n: Int) = Gen.containerOfN[List,Boolean](n,Gen.oneOf(true,false))
def safeUIntN(n: Int) = for {
w <- smallPosInts
i <- Gen.containerOfN[List,Int](n, Gen.choose(0, (1 << w) - 1))
} yield (w, i)
val safeUInt = for {
w <- smallPosInts
i <- Gen.choose(0, (1 << w) - 1)
} yield (w, i)
def safeUIntPairN(n: Int) = for {
w <- smallPosInts
i <- Gen.containerOfN[List,Int](n, Gen.choose(0, (1 << w) - 1))
j <- Gen.containerOfN[List,Int](n, Gen.choose(0, (1 << w) - 1))
} yield (w, i zip j)
val safeUIntPair= for {
w <- smallPosInts
i <- Gen.choose(0, (1 << w) - 1)
j <- Gen.choose(0, (1 << w) - 1)
} yield (w, i, j)
}
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