[Lldb-commits] [lldb] [lldb][test] Add FindGlobalVariables tests for C++ constexpr static data members (PR #70641)

[Michael Buch via lldb-commits]

https://github.com/Michael137 created https://github.com/llvm/llvm-project/pull/70641

Tests that LLDB can find inline static data members.

Relies on the debug-info change in: https://github.com/llvm/llvm-project/pull/70639

>From 7de2335efd85ae6058705a6a6cd9c5b160aef757 Mon Sep 17 00:00:00 2001
From: Michael Buch <michaelbuch12 at gmail.com>
Date: Sat, 28 Oct 2023 15:24:47 +0100
Subject: [PATCH] [lldb][test] Add FindGlobalVariables tests for C++ constexpr
 static data members

---
 .../TestConstStaticIntegralMember.py          | 31 +++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/lldb/test/API/lang/cpp/const_static_integral_member/TestConstStaticIntegralMember.py b/lldb/test/API/lang/cpp/const_static_integral_member/TestConstStaticIntegralMember.py
index 530191e8a37ba1b..8944044d5a265c0 100644
--- a/lldb/test/API/lang/cpp/const_static_integral_member/TestConstStaticIntegralMember.py
+++ b/lldb/test/API/lang/cpp/const_static_integral_member/TestConstStaticIntegralMember.py
@@ -113,6 +113,37 @@ def test_class_with_only_const_static(self):
 
         self.expect_expr("ClassWithOnlyConstStatic::member", result_value="3")
 
+    def check_global_var(self, name: str, expect_type, expect_val):
+        var_list = self.target().FindGlobalVariables(name, lldb.UINT32_MAX)
+        self.assertEqual(len(var_list), 1)
+        varobj = var_list[0]
+        self.assertEqual(varobj.type.name, expect_type)
+        self.assertEqual(varobj.value, expect_val)
+
+    # For debug-info produced by older versions of clang, inline static data members
+    # wouldn't get indexed into the Names accelerator table preventing LLDB from finding
+    # them.
+    @expectedFailureAll(compiler=["clang"], compiler_version=["<", "18.0"])
+    @expectedFailureAll(debug_info=no_match(["dsym"]))
+    def test_inline_static_members(self):
+        self.build()
+        lldbutil.run_to_source_breakpoint(
+            self, "// break here", lldb.SBFileSpec("main.cpp")
+        )
+
+        self.check_global_var("A::int_val", "const int", "1")
+        self.check_global_var("A::int_val_with_address", "const int", "2")
+        self.check_global_var("A::bool_val", "const bool", "true")
+        self.check_global_var("A::enum_val", "Enum", "enum_case2")
+        self.check_global_var("A::enum_bool_val", "EnumBool", "enum_bool_case1")
+        self.check_global_var("A::scoped_enum_val", "ScopedEnum", "scoped_enum_case2")
+
+        self.check_global_var("ClassWithOnlyConstStatic::member", "const int", "3")
+
+        self.check_global_var("ClassWithConstexprs::member", "const int", "2")
+        self.check_global_var("ClassWithConstexprs::enum_val", "Enum", "enum_case2")
+        self.check_global_var("ClassWithConstexprs::scoped_enum_val", "ScopedEnum", "scoped_enum_case2")
+
     # With older versions of Clang, LLDB fails to evaluate classes with only
     # constexpr members when dsymutil is enabled
     @expectedFailureAll(