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-rw-r--r--tests/test_trace_ui.py14
1 files changed, 14 insertions, 0 deletions
diff --git a/tests/test_trace_ui.py b/tests/test_trace_ui.py
index a85c089..a43c11d 100644
--- a/tests/test_trace_ui.py
+++ b/tests/test_trace_ui.py
@@ -194,6 +194,20 @@ async def run() -> int:
t.ip(app._t) in covered,
f"pc={t.ip(app._t):#x} line covers {[hex(a) for a in covered][:4]}")
+ # Stepping must not throw you out of the view you're reading.
+ # A step navigates to an address, and navigating to an address
+ # opens the LISTING unless the decompiler is preferred — so
+ # stepping through C used to drop you into disassembly on the
+ # first keypress. Found by watching a demo, not by a test.
+ await pilot.press("]")
+ await pilot.pause(1.2)
+ check("stepping in pseudocode stays in pseudocode",
+ app._active == "decomp", f"active={app._active}")
+ await pilot.press("[")
+ await pilot.pause(1.2)
+ check("and so does stepping backward",
+ app._active == "decomp", f"active={app._active}")
+
print(f"\n{PASS} passed, {FAIL} failed")
return 1 if FAIL else 0