Add unit tests

1 files changed, 12 insertions, 0 deletions

diff --git a/src/util/test_array.py b/src/util/test_array.py
new file mode 100644
index 0000000..38759b9
--- /dev/null
+++ b/src/util/test_array.py
@@ -0,0 +1,12 @@
+from array import insert_position
+
+def test_insert_position():
+    assert insert_position(0, [], False) == 0
+    assert insert_position(1, [1, 2, 3], False) == 0
+    assert insert_position(2, [1, 2, 3], False) == 1
+    assert insert_position(3, [1, 2, 3], False) == 2
+    assert insert_position(8, [1, 2, 3], False) == 3
+    assert insert_position(8, [3, 2, 1], True) == 0
+    assert insert_position(3, [3, 2, 1], True) == 0
+    assert insert_position(2, [3, 2, 1], True) == 1
+    assert insert_position(1, [3, 2, 1], True) == 2