RedundantSyntax: avoid invalid syntax for 2.12 tests

scalafix-tests/input/src/main/scala-2.12/test/redundantSyntax/StringInterpolator.scala

@@ -0,0 +1,43 @@
+/*
+rules = RedundantSyntax
+RedundantSyntax.stringInterpolator = true
+*/
+
+package test.redundantSyntax
+
+class StringInterpolator {
+
+  val a = 42d
+
+  var b = ""
+  b = "foo"
+  b = s"foo"
+  b = s"foo $a bar"
+  //b = s"my \"quoted\" string" does not compile as of 2.12.18 as https://github.com/scala/scala/pull/8830 was not backported
+
+  b = """foo"""
+  b =
+    s"""foo
+       |bar"""
+  b = s"""my \"quoted\" string"""
+  b = s"""foo $a bar"""
+  b = s"""$a"""
+
+  b = f"foo"
+  b = f"foo $a%2.2f"
+
+  b = raw"foo $a \nbar"
+  b = raw"""foo\nbar\\"""
+  b = raw"foo\nbar\\"
+  b = raw"foo bar"
+  b = raw"a\*b\+"
+
+  b = my"foo"
+  b = my"foo $a bar"
+
+  b = s"foo" // scalafix:ok
+
+  implicit class MyInterpolator(sc: StringContext) {
+    def my(subs: Any*): String = sc.toString + subs.mkString("")
+  }
+}

scalafix-tests/input/src/main/scala-2.13/test/redundantSyntax/StringInterpolator.scala

@@ -0,0 +1,43 @@
+/*
+rules = RedundantSyntax
+RedundantSyntax.stringInterpolator = true
+*/
+
+package test.redundantSyntax
+
+class StringInterpolator {
+
+  val a = 42d
+
+  var b = ""
+  b = "foo"
+  b = s"foo"
+  b = s"foo $a bar"
+  //b = s"my \"quoted\" string"
+
+  b = """foo"""
+  b =
+    s"""foo
+       |bar"""
+  b = s"""my \"quoted\" string"""
+  b = s"""foo $a bar"""
+  b = s"""$a"""
+
+  b = f"foo"
+  b = f"foo $a%2.2f"
+
+  b = raw"foo $a \nbar"
+  b = raw"""foo\nbar\\"""
+  b = raw"foo\nbar\\"
+  b = raw"foo bar"
+  b = raw"a\*b\+"
+
+  b = my"foo"
+  b = my"foo $a bar"
+
+  b = s"foo" // scalafix:ok
+
+  implicit class MyInterpolator(sc: StringContext) {
+    def my(subs: Any*): String = sc.toString + subs.mkString("")
+  }
+}

scalafix-tests/output/src/main/scala-2.12/test/redundantSyntax/StringInterpolator.scala

@@ -0,0 +1,38 @@
+package test.redundantSyntax
+
+class StringInterpolator {
+
+  val a = 42d
+
+  var b = ""
+  b = "foo"
+  b = "foo"
+  b = s"foo $a bar"
+  //b = s"my \"quoted\" string" does not compile as of 2.12.18  as https://github.com/scala/scala/pull/8830 was not backported
+
+  b = """foo"""
+  b =
+    """foo
+       |bar"""
+  b = s"""my \"quoted\" string"""
+  b = s"""foo $a bar"""
+  b = s"""$a"""
+
+  b = "foo"
+  b = f"foo $a%2.2f"
+
+  b = raw"foo $a \nbar"
+  b = """foo\nbar\\"""
+  b = raw"foo\nbar\\"
+  b = "foo bar"
+  b = raw"a\*b\+"
+
+  b = my"foo"
+  b = my"foo $a bar"
+
+  b = s"foo" // scalafix:ok
+
+  implicit class MyInterpolator(sc: StringContext) {
+    def my(subs: Any*): String = sc.toString + subs.mkString("")
+  }
+}

scalafix-tests/output/src/main/scala-3/test/redundantSyntax/StringInterpolator.scala

@@ -0,0 +1,38 @@
+package test.redundantSyntax
+
+class StringInterpolator {
+
+  val a = 42d
+
+  var b = ""
+  b = "foo"
+  b = "foo"
+  b = s"foo $a bar"
+  b = "my \"quoted\" string"
+
+  b = """foo"""
+  b =
+    """foo
+       |bar"""
+  b = s"""my \"quoted\" string"""
+  b = s"""foo $a bar"""
+  b = s"""$a"""
+
+  b = "foo"
+  b = f"foo $a%2.2f"
+
+  b = raw"foo $a \nbar"
+  b = """foo\nbar\\"""
+  b = raw"foo\nbar\\"
+  b = "foo bar"
+  b = raw"a\*b\+"
+
+  b = my"foo"
+  b = my"foo $a bar"
+
+  b = s"foo" // scalafix:ok
+
+  implicit class MyInterpolator(sc: StringContext) {
+    def my(subs: Any*): String = sc.toString + subs.mkString("")
+  }
+}