Merge pull request adafruit#8946 from kbsriram/main

Add tests for bit_length()
CytronTechnologies · Feb 18, 2024 · 8728c6d · 8728c6d
2 parents 6c1e34e + e675ea3
commit 8728c6d
Showing 1 changed file with 23 additions and 0 deletions.
diff --git a/tests/basics/int_length.py 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())