1 files changed, 123 insertions, 0 deletions
diff --git a/tests/closure/tmacrobust1512.nim b/tests/closure/tmacrobust1512.nim
new file mode 100644
index 000000000..0f44c5e1a
--- /dev/null
+++ b/tests/closure/tmacrobust1512.nim
@@ -0,0 +1,123 @@
+discard """
+output: ""
+"""
+
+import macros, strutils
+
+# https://github.com/nim-lang/Nim/issues/1512
+
+proc macrobust0(input: string): string =
+  var output = ""
+  proc p1(a:string) =
+    output.add(a)
+
+  proc p2(a:string) = p1(a)
+  proc p3(a:string) = p2(a)
+  proc p4(a:string) = p3(a)
+  proc p5(a:string) = p4(a)
+  proc p6(a:string) = p5(a)
+  proc p7(a:string) = p6(a)
+  proc p8(a:string) = p7(a)
+  proc p9(a:string) = p8(a)
+  proc p10(a:string) = p9(a)
+  proc p11(a:string) = p10(a)
+  proc p12(a:string) = p11(a)
+  proc p13(a:string) = p12(a)
+  proc p14(a:string) = p13(a)
+  proc p15(a:string) = p14(a)
+  proc p16(a:string) = p15(a)
+  proc p17(a:string) = p16(a)
+  proc p18(a:string) = p17(a)
+  proc p19(a:string) = p18(a)
+  proc p20(a:string) = p19(a)
+
+  for a in input.split():
+    p20(a)
+    p19(a)
+    p18(a)
+    p17(a)
+    p16(a)
+    p15(a)
+    p14(a)
+    p13(a)
+    p12(a)
+    p11(a)
+    p10(a)
+    p9(a)
+    p8(a)
+    p7(a)
+    p6(a)
+    p5(a)
+    p4(a)
+    p3(a)
+    p2(a)
+    p1(a)
+
+  result = output
+
+macro macrobust(input: static[string]): untyped =
+  var output = ""
+  proc p1(a:string) =
+    output.add(a)
+
+  proc p2(a:string) = p1(a)
+  proc p3(a:string) = p2(a)
+  proc p4(a:string) = p3(a)
+  proc p5(a:string) = p4(a)
+  proc p6(a:string) = p5(a)
+  proc p7(a:string) = p6(a)
+  proc p8(a:string) = p7(a)
+  proc p9(a:string) = p8(a)
+  proc p10(a:string) = p9(a)
+  proc p11(a:string) = p10(a)
+  proc p12(a:string) = p11(a)
+  proc p13(a:string) = p12(a)
+  proc p14(a:string) = p13(a)
+  proc p15(a:string) = p14(a)
+  proc p16(a:string) = p15(a)
+  proc p17(a:string) = p16(a)
+  proc p18(a:string) = p17(a)
+  proc p19(a:string) = p18(a)
+  proc p20(a:string) = p19(a)
+
+  for a in input.split():
+    p20(a)
+    p19(a)
+    p18(a)
+    p17(a)
+    p16(a)
+    p15(a)
+    p14(a)
+    p13(a)
+    p12(a)
+    p11(a)
+    p10(a)
+    p9(a)
+    p8(a)
+    p7(a)
+    p6(a)
+    p5(a)
+    p4(a)
+    p3(a)
+    p2(a)
+    p1(a)
+
+  result = newLit(output)
+
+const input = """
+  fdsasadfsdfa sadfsdafsdaf
+  dsfsdafdsfadsfa fsdaasdfasdf
+  fsdafsadfsad asdfasdfasdf
+  fdsasdfasdfa sadfsadfsadf
+  sadfasdfsdaf sadfsdafsdaf dsfasdaf
+  sadfsdafsadf fdsasdafsadf fdsasadfsdaf
+  sdfasadfsdafdfsa sadfsadfsdaf
+  sdafsdaffsda sdfasadfsadf
+  fsdasdafsdfa sdfasdfafsda
+  sdfasdafsadf sdfasdafsdaf sdfasdafsdaf
+"""
+
+let str1 = macrobust(input)
+let str2 = macrobust0(input)
+
+doAssert str1 == str2