Add test on incremental and suspended compilation

Author: nicolasstucki

sbt-dotty/sbt-test/source-dependencies/macro-expansion-dependencies-3/Macros.scala

@@ -0,0 +1,11 @@
+import scala.quoted._
+
+object Macros {
+
+  inline def foo: A = ${ fooImpl }
+
+  def fooImpl(given qctx: QuoteContext): Expr[A] = {
+    new B().f
+    '{ new A; }
+  }
+}

sbt-dotty/sbt-test/source-dependencies/macro-expansion-dependencies-3/Test.scala

@@ -0,0 +1,9 @@
+class A
+
+object Test {
+  import Macros._
+
+  def main(args: Array[String]): Unit = {
+    foo
+  }
+}

sbt-dotty/sbt-test/source-dependencies/macro-expansion-dependencies-3/TestB.scala

@@ -0,0 +1,6 @@
+class B {
+  import Macros._
+
+  def f: Int = 3
+  // def g: A = foo // comment out `g` first, then enable `g`
+}

sbt-dotty/sbt-test/source-dependencies/macro-expansion-dependencies-3/changes/TestB.scala

@@ -0,0 +1,6 @@
+class B {
+  import Macros._
+
+  def f: Int = 3
+  def g: A = foo // comment out `g` first, then enable `g`
+}

sbt-dotty/sbt-test/source-dependencies/macro-expansion-dependencies-3/project/DottyInjectedPlugin.scala

@@ -0,0 +1,11 @@
+import sbt._
+import Keys._
+
+object DottyInjectedPlugin extends AutoPlugin {
+  override def requires = plugins.JvmPlugin
+  override def trigger = allRequirements
+
+  override val projectSettings = Seq(
+    scalaVersion := sys.props("plugin.scalaVersion")
+  )
+}

sbt-dotty/sbt-test/source-dependencies/macro-expansion-dependencies-3/project/plugins.sbt

@@ -0,0 +1 @@
+addSbtPlugin("ch.epfl.lamp" % "sbt-dotty" % sys.props("plugin.version"))

sbt-dotty/sbt-test/source-dependencies/macro-expansion-dependencies-3/test

@@ -0,0 +1,6 @@
+> compile
+
+# make sure that Macros is recompiled due to it's dependencie on B.f
+# this will end in a failure to compile due to cyclic macros
+$ copy-file changes/TestB.scala TestB.scala
+-> compile