1 files changed, 45 insertions, 0 deletions
diff --git a/test/files/neg/stringinterpolation_macro-neg.scala b/test/files/neg/stringinterpolation_macro-neg.scala
index ac9d97d678..3869d42d66 100644
--- a/test/files/neg/stringinterpolation_macro-neg.scala
+++ b/test/files/neg/stringinterpolation_macro-neg.scala
@@ -3,6 +3,11 @@ object Test extends App {
   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()
@@ -28,4 +33,44 @@ object Test extends App {
   }
 
   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"
 }