1 files changed, 18 insertions, 0 deletions
diff --git a/tests/toverflw.nim b/tests/toverflw.nim
new file mode 100755
index 000000000..97234d702
--- /dev/null
+++ b/tests/toverflw.nim
@@ -0,0 +1,18 @@
+# Tests emc's ability to detect overflows
+
+import
+  io
+
+{.push overflowChecks: on.}
+
+var
+  a, b: int
+a = high(int)
+b = -2
+try:
+  writeln(stdout, b - a)
+except EOverflow:
+  writeln(stdout, "the computation overflowed")
+
+{.pop.} # overflow check
+#OUT the computation overflowed