Add tests

Author: nicolasstucki

compiler/test/dotty/tools/dotc/CompilationTests.scala

@@ -195,7 +195,8 @@ class CompilationTests extends ParallelTesting {
     implicit val testGroup: TestGroup = TestGroup("runAll")
     compileFilesInDir("../tests/run", defaultOptions) +
     compileFilesInDir("../tests/run-no-optimise", defaultOptions) +
-    compileFile("../tests/run-special/quote-run.scala", defaultRunWithCompilerOptions)
+    compileFile("../tests/run-special/quote-run.scala", defaultRunWithCompilerOptions) +
+    compileFile("../tests/run-special/quote-run-2.scala", defaultRunWithCompilerOptions)
   }.checkRuns()
 
   // Generic java signatures tests ---------------------------------------------

tests/run-special/quote-run-2.check

@@ -0,0 +1,2 @@
+1.0
+5.0

tests/run-special/quote-run-2.scala

@@ -0,0 +1,21 @@
+
+import dotty.tools.dotc.quoted.Runners._
+
+import scala.quoted._
+
+object Test {
+  def main(args: Array[String]): Unit = {
+    def powerCode(n: Int, x: Expr[Double]): Expr[Double] =
+      if (n == 0) '(1.0)
+      else if (n == 1) x
+      else if (n % 2 == 0) '{ { val y = ~x * ~x; ~powerCode(n / 2, '(y)) } }
+      else '{ ~x * ~powerCode(n - 1, x) }
+
+    println(powerCode(0, '(5)).show)
+    println(powerCode(1, '(5)).show)
+    // FIXME
+    // println(powerCode(2, '(5)).show)
+    // println(powerCode(3, '(5)).show)
+
+  }
+}