From ff8c4e594375711297e1c6181dec483f1127f29e Mon Sep 17 00:00:00 2001
From: Jeff Epler <jepler@gmail.com>
Date: Fri, 20 Jun 2025 19:59:14 +0200
Subject: [PATCH] tests/misc: Improve test coverage of py/profile.c.

Signed-off-by: Jeff Epler <jepler@gmail.com>
---
 tests/misc/sys_settrace_cov.py     | 23 +++++++++++++++++++++++
 tests/misc/sys_settrace_cov.py.exp |  2 ++
 tests/run-tests.py                 |  1 +
 3 files changed, 26 insertions(+)
 create mode 100644 tests/misc/sys_settrace_cov.py
 create mode 100644 tests/misc/sys_settrace_cov.py.exp

diff --git a/tests/misc/sys_settrace_cov.py b/tests/misc/sys_settrace_cov.py
new file mode 100644
index 0000000000..579c8a4a25
--- /dev/null
+++ b/tests/misc/sys_settrace_cov.py
@@ -0,0 +1,23 @@
+import sys
+
+try:
+    sys.settrace
+except AttributeError:
+    print("SKIP")
+    raise SystemExit
+
+
+def trace_tick_handler(frame, event, arg):
+    print("FRAME", frame)
+    print("LASTI", frame.f_lasti)
+    return None
+
+
+def f():
+    x = 3
+    return x
+
+
+sys.settrace(trace_tick_handler)
+f()
+sys.settrace(None)
diff --git a/tests/misc/sys_settrace_cov.py.exp b/tests/misc/sys_settrace_cov.py.exp
new file mode 100644
index 0000000000..423d78ec42
--- /dev/null
+++ b/tests/misc/sys_settrace_cov.py.exp
@@ -0,0 +1,2 @@
+FRAME <frame at 0x\[0-9a-f\]\+, file '\.\*/sys_settrace_cov.py', line \\d\+, code f>
+LASTI \\d\+
diff --git a/tests/run-tests.py b/tests/run-tests.py
index e45122b10e..d1d22a3c53 100755
--- a/tests/run-tests.py
+++ b/tests/run-tests.py
@@ -354,6 +354,7 @@ special_tests = [
         "micropython/meminfo.py",
         "basics/bytes_compare3.py",
         "basics/builtin_help.py",
+        "misc/sys_settrace_cov.py",
         "thread/thread_exc2.py",
         "ports/esp32/partition_ota.py",
     )