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package dotty.tools
package dotc
package ast
import org.junit.Test
import org.junit.Assert._
import dotc.core.Contexts._
import dotc.parsing.Parsers.Parser
import dotc.util.SourceFile
class UntpdTreeMapTest extends DottyTest {
import untpd._
def parse(code: String): Tree = {
val (_, stats) = new Parser(new SourceFile("<meta>", code.toCharArray)).templateStatSeq()
stats match { case List(stat) => stat; case stats => untpd.Thicket(stats) }
}
@Test
def testMapInterpolatedString = {
val tree = parse(""" q"hello ${2017}!" """)
val identity = new UntypedTreeMap {
override def transform(tree: Tree)(implicit ctx: Context): Tree = tree match {
case _ => super.transform(tree)
}
}
assertEquals(tree.toString, identity.transform(tree).toString)
}
}
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