1 files changed, 20 insertions, 0 deletions
diff --git a/tests/vm/tsignaturehash.nim b/tests/vm/tsignaturehash.nim
new file mode 100644
index 000000000..972ec6fb0
--- /dev/null
+++ b/tests/vm/tsignaturehash.nim
@@ -0,0 +1,20 @@
+# test sym digest is computable at compile time
+
+import macros, algorithm
+import ../../dist/checksums/src/checksums/md5
+
+macro testmacro(s: typed{nkSym}): string =
+  let s = getMD5(signaturehash(s) & " - " & symBodyHash(s))
+  result = newStrLitNode(s)
+
+macro testmacro(s: typed{nkOpenSymChoice|nkClosedSymChoice}): string =
+  var str = ""
+  for sym in s:
+    str &= symBodyHash(sym)
+  result = newStrLitNode(getMD5(str))
+
+# something recursive and/or generic
+discard testmacro(testmacro)
+discard testmacro(`[]`)
+discard testmacro(binarySearch)
+discard testmacro(sort)