1 files changed, 76 insertions, 0 deletions
diff --git a/tests/untried/neg-with-implicits/stringinterpolation_macro-neg.scala b/tests/untried/neg-with-implicits/stringinterpolation_macro-neg.scala
new file mode 100644
index 000000000..3869d42d6
--- /dev/null
+++ b/tests/untried/neg-with-implicits/stringinterpolation_macro-neg.scala
@@ -0,0 +1,76 @@
+object Test extends App {
+  val s = "Scala"
+  val d = 8
+  val b = false
+  val f = 3.14159
+  val c = 'c'
+  val t = new java.util.Date
+  val x = new java.util.Formattable {
+    def formatTo(ff: java.util.Formatter, g: Int, w: Int, p: Int): Unit = ff format "xxx"
+  }
+
+  // 1) number of arguments
+  new StringContext().f()
+  new StringContext("", " is ", "%2d years old").f(s)
+  new StringContext("", " is ", "%2d years old").f(s, d, d)
+  new StringContext("", "").f()
+
+  // 2) Interpolation mismatches
+  f"$s%b"
+  f"$s%c"
+  f"$f%c"
+  f"$s%x"
+  f"$b%d"
+  f"$s%d"
+  f"$f%o"
+  f"$s%e"
+  f"$b%f"
+
+  {
+    implicit val strToInt1 = (s: String) => 1
+    implicit val strToInt2 = (s: String) => 2
+    f"$s%d"
+  }
+
+  f"$s%i"
+
+  // 3) flag mismatches
+  f"$s%+ 0,(s"
+  f"$c%#+ 0,(c"
+  f"$d%#d"
+  f"$d%,x"
+  f"$d%+ (x"
+  f"$f%,(a"
+  f"$t%#+ 0,(tT"
+
+  // 4) bad precisions
+  f"$c%.2c"
+  f"$d%.2d"
+  f"%.2%"
+  f"%.2n"
+  f"$f%.2a"
+  f"$t%.2tT"
+
+  // 5) bad indexes
+  f"%<s"
+  f"%<c"
+  f"%<tT"
+  f"${8}%d ${9}%d%3$$d"
+  f"${8}%d ${9}%d%0$$d"
+
+  // warnings
+  f"${8}%d ${9}%1$$d"
+  f"$s%s $s%s %1$$<s"
+  f"$s%s $s%1$$s"
+
+  // 6) bad arg types
+  f"$s%#s"
+
+  // 7) misunderstood conversions
+  f"$t%tG"
+  f"$t%t"
+  f"$s%10.5"
+
+  // 8) other brain failures
+  f"${d}random-leading-junk%d"
+}