1 files changed, 46 insertions, 0 deletions
diff --git a/test/scalacheck/scala/reflect/quasiquotes/PatternDeconstructionProps.scala b/test/scalacheck/scala/reflect/quasiquotes/PatternDeconstructionProps.scala
new file mode 100644
index 0000000000..182e905c04
--- /dev/null
+++ b/test/scalacheck/scala/reflect/quasiquotes/PatternDeconstructionProps.scala
@@ -0,0 +1,46 @@
+package scala.reflect.quasiquotes
+
+import org.scalacheck._, Prop._, Gen._, Arbitrary._
+import scala.reflect.runtime.universe._, Flag._
+
+object PatternDeconstructionProps extends QuasiquoteProperties("pattern deconstruction") {
+  property("extract bind") = forAll { (bind: Bind) =>
+    val pq"$bind0" = pq"$bind"
+    bind0 ≈ bind
+  }
+
+  property("extract bind and subpattern") = forAll { (name: TermName, subp: Tree) =>
+    val pq"$name0 @ $subp0" = pq"$name @ $subp"
+    name0 ≈ name && subp0 ≈ subp
+  }
+
+  property("extract typed") = forAll { (typ: Tree) =>
+    val pq"_ : $typ0" = pq"_ : $typ"
+    typ0 ≈ typ
+  }
+
+  property("extract apply") = forAll { (pat: Tree, subpat: Tree) =>
+    val pq"$pat0($subpat0)" = pq"$pat($subpat)"
+    pat0 ≈ pat && subpat0 ≈ subpat
+  }
+
+  property("extract apply many") = forAll { (pat: Tree, subpats: List[Tree]) =>
+    val pq"$pat0(..$subpats0)" = pq"$pat(..$subpats)"
+    pat0 ≈ pat && subpats0 ≈ subpats
+  }
+
+  property("extract apply last") = forAll { (pat: Tree, subpats: List[Tree], subpatlast: Tree) =>
+    val pq"$pat0(..$subpats0, $subpatlast0)" = pq"$pat(..$subpats, $subpatlast)"
+    pat0 ≈ pat && subpats0 ≈ subpats && subpatlast0 ≈ subpatlast
+  }
+
+  property("extract casedef") = forAll { (pat: Tree, cond: Tree, body: Tree) =>
+    val cq"$pat0 if $cond0 => $body0" = cq"$pat if $cond => $body"
+    pat0 ≈ pat && cond0 ≈ cond && body0 ≈ body
+  }
+
+  property("extract alternative") = forAll { (first: Tree, rest: List[Tree]) =>
+    val pq"$first1 | ..$rest1" = pq"$first | ..$rest"
+    first1 ≈ first && rest1 ≈ rest
+  }
+}