1 files changed, 14 insertions, 0 deletions
diff --git a/tests/stdlib/talgorithm.nim b/tests/stdlib/talgorithm.nim
new file mode 100644
index 000000000..37de1262f
--- /dev/null
+++ b/tests/stdlib/talgorithm.nim
@@ -0,0 +1,14 @@
+import unittest
+import algorithm
+
+suite "product":
+  test "empty input":
+    check product[int](newSeq[seq[int]]()) == newSeq[seq[int]]()
+  test "bit more empty input":
+    check product[int](@[newSeq[int](), @[], @[]]) == newSeq[seq[int]]()
+  test "a simple case of one element":
+    check product(@[@[1,2]]) == @[@[1,2]]
+  test "two elements":
+    check product(@[@[1,2], @[3,4]]) == @[@[2,4],@[1,4],@[2,3],@[1,3]]
+  test "three elements":
+    check product(@[@[1,2], @[3,4], @[5,6]]) == @[@[2,4,6],@[1,4,6],@[2,3,6],@[1,3,6], @[2,4,5],@[1,4,5],@[2,3,5],@[1,3,5]]