[Lldb-commits] [lldb] [lldb][test] Add test for chained PCH debugging (PR #83582)

[Michael Buch via lldb-commits]

================
@@ -0,0 +1,73 @@
+"""
+Tests that we correctly track AST layout info
+(specifically alignment) when moving AST nodes
+between several ClangASTImporter instances
+(in this case, from a pch chain to executable
+to expression AST).
+"""
+
+import lldb
+import os
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
+
+
+class TestPchChain(TestBase):
+    @add_test_categories(["gmodules"])
+    @expectedFailureAll("Chained pch debugging currently not fully supported")
+    def test_expr(self):
+        self.build()
+        exe = self.getBuildArtifact("a.out")
+        self.target = self.dbg.CreateTarget(exe)
+        self.assertTrue(self.target, VALID_TARGET)
+        lldbutil.run_break_set_by_file_and_line(
+            self, "main.cpp", 9, num_expected_locations=1
+        )
+
+        self.runCmd("run", RUN_SUCCEEDED)
+
+        self.expect(
+            "frame variable data",
+            substrs=["row = 1", "col = 2", "row = 3", "col = 4", "stride = 5"],
+        )
+
+    @add_test_categories(["gmodules"])
+    @expectedFailureAll("Chained pch debugging currently not fully supported")
+    def test_frame_var(self):
+        self.build()
+        exe = self.getBuildArtifact("a.out")
+        self.target = self.dbg.CreateTarget(exe)
+        self.assertTrue(self.target, VALID_TARGET)
+        lldbutil.run_break_set_by_file_and_line(
+            self, "main.cpp", 9, num_expected_locations=1
+        )
----------------
Michael137 wrote:

For some reason regex breakpoint didn't resolve...probably related to the Makefile shenanigans

https://github.com/llvm/llvm-project/pull/83582