1 files changed, 24 insertions, 0 deletions
diff --git a/tests/overload/tsystemcmp.nim b/tests/overload/tsystemcmp.nim
new file mode 100644
index 000000000..aa761b759
--- /dev/null
+++ b/tests/overload/tsystemcmp.nim
@@ -0,0 +1,24 @@
+discard """
+  cmd: r"nim c --hints:on $options --threads:on $file"
+  output: '''@["", "a", "ha", "hi", "ho", "huu"]'''
+"""
+
+import algorithm
+
+# bug #1657
+var modules = @["hi", "ho", "", "a", "ha", "huu"]
+sort(modules, system.cmp)
+echo modules
+
+type
+  MyType = object
+    x: string
+
+proc cmp(a, b: MyType): int = cmp(a.x, b.x)
+
+var modulesB = @[MyType(x: "ho"), MyType(x: "ha")]
+sort(modulesB, cmp)
+
+# bug #2397
+
+proc f(x: (proc(a,b: string): int) = system.cmp) = discard