diff --git a/tests/basics/int_length.py b/tests/basics/int_length.py
new file mode 100644
index 000000000000..56730297c3e9
--- /dev/null
+++ b/tests/basics/int_length.py
@@ -0,0 +1,23 @@
+# CIRCUITPY-CHANGE
+# test bit_length for various sizes of ints
+
+for x in range(-10, 10):
+    print(x.bit_length())
+
+for i in [2, 3, 15, 16, 17, 31, 32, 33, 63, 64, 234]:
+    a = 2**i
+    print((a - 1).bit_length())
+    print((1 - a).bit_length())
+    print(a.bit_length())
+    print((-a).bit_length())
+    print((a + 1).bit_length())
+    print((-a - 1).bit_length())
+    # Ensure transitioning between small and large int representations
+    # still work.
+    print((a - a).bit_length())
+    print((0 * a).bit_length())
+    print((0 * a - 1).bit_length())
+    print((0 * a + 1).bit_length())
+    print((2 * a).bit_length())
+    print((2 * a + 1).bit_length())
+    print((2 * a - 1).bit_length())