From 85ddd961b03d79e572580dde727e4161dfa50b1d Mon Sep 17 00:00:00 2001
From: Yichen Xu <yichen.x@outlook.com>
Date: Wed, 13 Mar 2024 12:41:36 +0100
Subject: [PATCH] Add sbt test for `scala2-library-cc-tasty`

---
 project/Build.scala                                           | 1 +
 sbt-test/sbt-dotty/scala2-library-cc-tasty/build.sbt          | 4 ++++
 .../scala2-library-cc-tasty/src/main/scala/hello/Hello.scala  | 4 ++++
 sbt-test/sbt-dotty/scala2-library-cc-tasty/test               | 1 +
 4 files changed, 10 insertions(+)
 create mode 100644 sbt-test/sbt-dotty/scala2-library-cc-tasty/build.sbt
 create mode 100644 sbt-test/sbt-dotty/scala2-library-cc-tasty/src/main/scala/hello/Hello.scala
 create mode 100644 sbt-test/sbt-dotty/scala2-library-cc-tasty/test

diff --git a/project/Build.scala b/project/Build.scala
index 2b24746e4ca4..ea56039fa401 100644
--- a/project/Build.scala
+++ b/project/Build.scala
@@ -1920,6 +1920,7 @@ object Build {
         (`scala3-compiler-bootstrapped` / publishLocalBin),
         (`scala3-library-bootstrapped` / publishLocalBin),
         (`scala2-library-tasty` / publishLocal),
+        (`scala2-library-cc-tasty` / publishLocal),
         (`scala3-library-bootstrappedJS` / publishLocalBin),
         (`tasty-core-bootstrapped` / publishLocalBin),
         (`scala3-staging` / publishLocalBin),
diff --git a/sbt-test/sbt-dotty/scala2-library-cc-tasty/build.sbt b/sbt-test/sbt-dotty/scala2-library-cc-tasty/build.sbt
new file mode 100644
index 000000000000..db059b501d77
--- /dev/null
+++ b/sbt-test/sbt-dotty/scala2-library-cc-tasty/build.sbt
@@ -0,0 +1,4 @@
+scalaVersion := sys.props("plugin.scalaVersion")
+
+libraryDependencies += "org.scala-lang" %% "scala2-library-cc-tasty-experimental" % scalaVersion.value
+scalacOptions += "-Yscala2-unpickler:never" // check that we do not load symbol from the Scala 2 library classfiles (use TASTy)
diff --git a/sbt-test/sbt-dotty/scala2-library-cc-tasty/src/main/scala/hello/Hello.scala b/sbt-test/sbt-dotty/scala2-library-cc-tasty/src/main/scala/hello/Hello.scala
new file mode 100644
index 000000000000..87277631f69b
--- /dev/null
+++ b/sbt-test/sbt-dotty/scala2-library-cc-tasty/src/main/scala/hello/Hello.scala
@@ -0,0 +1,4 @@
+package hello
+
+@main def hello: Unit =
+  println(Some("Hello world!")) // load Some form the Scala 2 library TASTy
diff --git a/sbt-test/sbt-dotty/scala2-library-cc-tasty/test b/sbt-test/sbt-dotty/scala2-library-cc-tasty/test
new file mode 100644
index 000000000000..62ea636c177f
--- /dev/null
+++ b/sbt-test/sbt-dotty/scala2-library-cc-tasty/test
@@ -0,0 +1 @@
+> run