Add regression tests

Author: nicolasstucki

tests/neg-macros/macros-in-same-project-1.scala

@@ -0,0 +1,12 @@
+
+import scala.quoted._
+
+object Bar {
+
+  myMacro() // error
+
+  inline def myMacro(): Unit = ${ aMacroImplementation }
+
+  def aMacroImplementation(given QuoteContext): Expr[Unit] = '{}
+
+}

tests/neg-macros/macros-in-same-project-2.scala

@@ -0,0 +1,13 @@
+
+import scala.quoted._
+
+object Bar {
+
+  myMacro()
+
+  inline def myMacro(): Unit = myMacro2() // error
+  inline def myMacro2(): Unit = ${ aMacroImplementation }
+
+  def aMacroImplementation(given QuoteContext): Expr[Unit] = '{}
+
+}

tests/neg-macros/macros-in-same-project-6.check

@@ -0,0 +1,5 @@
+-- Error: tests/neg-macros/macros-in-same-project-6/Bar.scala:4:13 -----------------------------------------------------
+4 |  Foo.myMacro() // error
+  |  ^^^^^^^^^^^^^
+  |  some error
+  | This location is in code that was inlined at Bar.scala:4

tests/neg-macros/macros-in-same-project-6/Bar.scala

@@ -0,0 +1,5 @@
+import scala.quoted._
+
+object Bar {
+  Foo.myMacro() // error
+}

tests/neg-macros/macros-in-same-project-6/Foo.scala

@@ -0,0 +1,12 @@
+import scala.quoted._
+
+object Foo {
+
+  inline def myMacro(): Unit = ${ aMacroImplementation }
+
+  def aMacroImplementation(given qctx: QuoteContext): Expr[Unit] = {
+    import qctx.tasty._
+    error("some error", rootPosition)
+    throw new NoClassDefFoundError("Bar$")
+  }
+}

tests/pos-macros/macros-in-same-project-4/Bar.scala

@@ -0,0 +1,11 @@
+import scala.quoted._
+
+object Bar {
+
+  inline def eqMacro(x: Foo, y: Foo): Boolean = ${ eqMacroExpr('x, 'y) }
+  def eqMacroExpr(x: Expr[Foo], y: Expr[Foo])(given QuoteContext): Expr[Boolean] = '{ $x == $y }
+
+  inline def plusMacro(x: Foo, y: Foo): Foo = ${ eqPlusExpr('x, 'y) }
+  def eqPlusExpr(x: Expr[Foo], y: Expr[Foo])(given QuoteContext): Expr[Foo] = '{ new Foo($x.value + $y.value) }
+
+}

tests/pos-macros/macros-in-same-project-4/Baz.scala

@@ -0,0 +1,8 @@
+
+
+object Foo {
+  def eq(x: Foo, y: Foo): Boolean = Bar.eqMacro(x, y)
+  def plus(x: Foo, y: Foo): Foo = Bar.plusMacro(x, y)
+}
+
+class Foo(val value: Int)