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import org.scalacheck._
import Prop._
import Gen._
import Arbitrary._
import scala.reflect.runtime.universe._
import Flag._
object TypeDeconstructionProps extends QuasiquoteProperties("type deconstruction") {
property("ident(type name)") = forAll { (name: TypeName) =>
val t = Ident(name)
val tq"$t1" = t
t1 ≈ t
}
property("applied type tree") = forAll { (name1: TypeName, name2: TypeName) =>
val tq"$a[$b]" = AppliedTypeTree(Ident(name1), List(Ident(name2)))
a ≈ Ident(name1) && b ≈ Ident(name2)
}
property("tuple type") = test {
val tq"(..$empty)" = tq"scala.Unit"
assert(empty.isEmpty)
val tq"(..$ts)" = tq"(t1, t2)"
assert(ts ≈ List(tq"t1", tq"t2"))
val tq"($head, ..$tail)" = tq"(t0, t1, t2)"
assert(head ≈ tq"t0" && tail ≈ List(tq"t1", tq"t2"))
}
property("refined type") = test {
val tq"T { ..$stats }" = tq"T { def foo; val x: Int; type Y = String }"
assert(stats ≈ (q"def foo" :: q"val x: Int" :: q"type Y = String" :: Nil))
}
}
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