unit test for #100

unittest: the check macro will print only the non-literal part of the checked expression
tests/run: added tunittests.nim as a single central executable where unittests could be added for quicker compilation/execution of the test suite

2 files changed, 13 insertions, 0 deletions

diff --git a/tests/run/tunittests.nim b/tests/run/tunittests.nim
new file mode 100644
index 000000000..fa7fe5075
--- /dev/null
+++ b/tests/run/tunittests.nim
@@ -0,0 +1,2 @@
+import uclosures
+
diff --git a/tests/run/uclosures.nim b/tests/run/uclosures.nim
new file mode 100644
index 000000000..d54b88285
--- /dev/null
+++ b/tests/run/uclosures.nim
@@ -0,0 +1,11 @@
+import unittest
+
+test "loop variables are captured by copy":
+  var funcs: seq[proc (): int {.closure.}] = @[]
+  
+  for i in 0..10:
+    funcs.add do -> int: return i * i
+
+  check funcs[0]() == 0
+  check funcs[3]() == 9
+