[Lldb-commits] [lldb] Add asan tests for libsanitizers. (PR #88349)

[Usama Hameed via lldb-commits]

================
@@ -26,6 +31,67 @@ def setUp(self):
         self.line_free = line_number("main.c", "// free line")
         self.line_breakpoint = line_number("main.c", "// break line")
 
+    # Test line numbers: rdar://126237493
+    def libsanitizer_tests(self):
+        target = self.createTestTarget()
+
+        self.runCmd(
+            "env SanitizersAddress=1 MallocSanitizerZone=1 MallocSecureAllocator=0"
+        )
+
+        self.runCmd("run")
+        # In libsanitizers, memory history is not supported until a report has been generated
+        # test the 'memory history' command
+        self.expect(
+            "memory history 'pointer'",
+            substrs=[
+                "Memory deallocated by Thread",
+                "a.out`f2",
+                "main.c",
+                "Memory allocated by Thread",
+                "a.out`f1",
+                "main.c",
+            ],
+        )
+
+        # do the same using SB API
+        process = self.dbg.GetSelectedTarget().process
+        val = (
+            process.GetSelectedThread().GetSelectedFrame().EvaluateExpression("pointer")
+        )
+        addr = val.GetValueAsUnsigned()
+        threads = process.GetHistoryThreads(addr)
+        self.assertEqual(threads.GetSize(), 2)
+
+        history_thread = threads.GetThreadAtIndex(0)
+        self.assertTrue(history_thread.num_frames >= 2)
+        self.assertEqual(
+            history_thread.frames[1].GetLineEntry().GetFileSpec().GetFilename(),
+            "main.c",
+        )
+
+        history_thread = threads.GetThreadAtIndex(1)
+        self.assertTrue(history_thread.num_frames >= 2)
+        self.assertEqual(
+            history_thread.frames[1].GetLineEntry().GetFileSpec().GetFilename(),
+            "main.c",
+        )
+
+        # let's free the container (SBThreadCollection) and see if the
+        # SBThreads still live
+        threads = None
+        self.assertTrue(history_thread.num_frames >= 2)
+        self.assertEqual(
+            history_thread.frames[1].GetLineEntry().GetFileSpec().GetFilename(),
+            "main.c",
+        )
+
+        self.expect(
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usama54321 wrote:

Thanks. Fixed

https://github.com/llvm/llvm-project/pull/88349