From ade23066b1178575be24a403eae5cf234e18ecdf Mon Sep 17 00:00:00 2001
From: Felix Mulder <felix.mulder@gmail.com>
Date: Wed, 24 Aug 2016 17:25:11 +0200
Subject: Add `UsecasePhase` to dottydoc

---
 dottydoc/test/UsecaseTest.scala | 52 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 dottydoc/test/UsecaseTest.scala

(limited to 'dottydoc/test')

diff --git a/dottydoc/test/UsecaseTest.scala b/dottydoc/test/UsecaseTest.scala
new file mode 100644
index 000000000..e2190e709
--- /dev/null
+++ b/dottydoc/test/UsecaseTest.scala
@@ -0,0 +1,52 @@
+package dotty.tools
+package dottydoc
+
+import org.junit.Test
+import org.junit.Assert._
+
+import dotc.util.SourceFile
+import model._
+import model.internal._
+import model.references._
+
+class UsecaseTest extends DottyTest {
+  @Test def simpleUsecase = {
+    val source = new SourceFile(
+      "DefWithUseCase.scala",
+      """
+      |package scala
+      |
+      |trait Test[A] {
+      |  /** Definition with a "disturbing" signature
+      |   *
+      |   *  @usecase def foo: A
+      |   */
+      |  def foo[B]: A => B
+      |}
+      """.stripMargin
+    )
+
+    checkSources(source :: Nil) { packages =>
+      packages("scala") match {
+        case PackageImpl(_, _, List(trt: Trait), _, _) =>
+          val List(map: Def) = trt.members
+
+          val returnValue = map.returnValue match {
+            case ref: TypeReference => ref.title
+            case _ =>
+              assert(
+                false,
+                "Incorrect return value after usecase transformation"
+              )
+              ""
+          }
+
+          assert(
+            map.typeParams.isEmpty,
+            "Type parameters were not stripped by usecase"
+          )
+          assert(returnValue == "A", "Incorrect return type after usecase")
+      }
+    }
+  }
+}
-- 
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