From b9d6d6af4b1ac1a900351bebe5294604fea0119b Mon Sep 17 00:00:00 2001
From: Anson Mansfield <amansfield@mantaro.com>
Date: Sun, 20 Jul 2025 12:07:05 -0400
Subject: [PATCH] tests/internal_bench/var: Benchmark descriptor access.

Signed-off-by: Anson Mansfield <amansfield@mantaro.com>
---
 .../var-6.2-instance-speciallookup.py         | 19 ++++++++++++++++++
 .../var-6.3-instance-property.py              | 17 ++++++++++++++++
 .../var-6.4-instance-descriptor.py            | 20 +++++++++++++++++++
 .../var-6.5-instance-getattr.py               | 16 +++++++++++++++
 4 files changed, 72 insertions(+)
 create mode 100644 tests/internal_bench/var-6.2-instance-speciallookup.py
 create mode 100644 tests/internal_bench/var-6.3-instance-property.py
 create mode 100644 tests/internal_bench/var-6.4-instance-descriptor.py
 create mode 100644 tests/internal_bench/var-6.5-instance-getattr.py

diff --git a/tests/internal_bench/var-6.2-instance-speciallookup.py b/tests/internal_bench/var-6.2-instance-speciallookup.py
new file mode 100644
index 000000000..71845f3aa
--- /dev/null
+++ b/tests/internal_bench/var-6.2-instance-speciallookup.py
@@ -0,0 +1,19 @@
+import bench
+
+
+class Foo:
+    def __init__(self):
+        self.num = 20000000
+
+    def __getattr__(self, name):  # just trigger the 'special lookups' flag on the class
+        pass
+
+
+def test(num):
+    o = Foo()
+    i = 0
+    while i < o.num:
+        i += 1
+
+
+bench.run(test)
diff --git a/tests/internal_bench/var-6.3-instance-property.py b/tests/internal_bench/var-6.3-instance-property.py
new file mode 100644
index 000000000..b4426ef79
--- /dev/null
+++ b/tests/internal_bench/var-6.3-instance-property.py
@@ -0,0 +1,17 @@
+import bench
+
+
+class Foo:
+    @property
+    def num(self):
+        return 20000000
+
+
+def test(num):
+    o = Foo()
+    i = 0
+    while i < o.num:
+        i += 1
+
+
+bench.run(test)
diff --git a/tests/internal_bench/var-6.4-instance-descriptor.py b/tests/internal_bench/var-6.4-instance-descriptor.py
new file mode 100644
index 000000000..b4df69f87
--- /dev/null
+++ b/tests/internal_bench/var-6.4-instance-descriptor.py
@@ -0,0 +1,20 @@
+import bench
+
+
+class Descriptor:
+    def __get__(self, instance, owner=None):
+        return 20000000
+
+
+class Foo:
+    num = Descriptor()
+
+
+def test(num):
+    o = Foo()
+    i = 0
+    while i < o.num:
+        i += 1
+
+
+bench.run(test)
diff --git a/tests/internal_bench/var-6.5-instance-getattr.py b/tests/internal_bench/var-6.5-instance-getattr.py
new file mode 100644
index 000000000..3b2ef6721
--- /dev/null
+++ b/tests/internal_bench/var-6.5-instance-getattr.py
@@ -0,0 +1,16 @@
+import bench
+
+
+class Foo:
+    def __getattr__(self, name):
+        return 20000000
+
+
+def test(num):
+    o = Foo()
+    i = 0
+    while i < o.num:
+        i += 1
+
+
+bench.run(test)