https://github.com/python/cpython/commit/30ed4523c08bb7860552455e3143401cffda9235
commit: 30ed4523c08bb7860552455e3143401cffda9235
branch: 3.13
author: Miss Islington (bot) <[email protected]>
committer: serhiy-storchaka <[email protected]>
date: 2025-02-17T10:24:59+02:00
summary:

[3.13] gh-86069: Add more PyNumber_InPlacePower() tests (GH-130111) (GH-130211)

Test it with the third argument.
(cherry picked from commit cfe41037eb5293a051846ddc0b4afdb7a5f60540)

Co-authored-by: Serhiy Storchaka <[email protected]>

files:
M Lib/test/test_capi/test_number.py

diff --git a/Lib/test/test_capi/test_number.py 
b/Lib/test/test_capi/test_number.py
index 3c1f0f248c37cb..ca3494e8a5092a 100644
--- a/Lib/test/test_capi/test_number.py
+++ b/Lib/test/test_capi/test_number.py
@@ -205,8 +205,9 @@ def test_misc_multiply(self):
         self.assertRaises(MemoryError, inplacemultiply, [1, 2], 
PY_SSIZE_T_MAX//2 + 1)
 
     def test_misc_power(self):
-        # PyNumber_Power()
+        # PyNumber_Power(), PyNumber_InPlacePower()
         power = _testcapi.number_power
+        inplacepower = _testcapi.number_inplacepower
 
         class HasPow(WithDunder):
             methname = '__pow__'
@@ -216,6 +217,39 @@ class HasPow(WithDunder):
         self.assertRaises(TypeError, power, 4, 11, 1.25)
         self.assertRaises(TypeError, power, 4, 11, 
HasPow.with_val(NotImplemented))
         self.assertRaises(TypeError, power, 4, 11, object())
+        self.assertEqual(inplacepower(4, 11, 5), pow(4, 11, 5))
+        self.assertRaises(TypeError, inplacepower, 4, 11, 1.25)
+        self.assertRaises(TypeError, inplacepower, 4, 11, object())
+
+        class X:
+            def __pow__(*args):
+                return args
+
+        x = X()
+        self.assertEqual(power(x, 11), (x, 11))
+        self.assertEqual(inplacepower(x, 11), (x, 11))
+        self.assertEqual(power(x, 11, 5), (x, 11, 5))
+        self.assertEqual(inplacepower(x, 11, 5), (x, 11, 5))
+
+        class X:
+            def __rpow__(*args):
+                return args
+
+        x = X()
+        self.assertEqual(power(4, x), (x, 4))
+        self.assertEqual(inplacepower(4, x), (x, 4))
+        # XXX: Three-arg power doesn't use __rpow__.
+        self.assertRaises(TypeError, power, 4, x, 5)
+        self.assertRaises(TypeError, inplacepower, 4, x, 5)
+
+        class X:
+            def __ipow__(*args):
+                return args
+
+        x = X()
+        self.assertEqual(inplacepower(x, 11), (x, 11))
+        # XXX: In-place power doesn't pass the third arg to __ipow__.
+        self.assertEqual(inplacepower(x, 11, 5), (x, 11))
 
     @cpython_only
     def test_rshift_print(self):

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