1 files changed, 18 insertions, 5 deletions
diff --git a/lldb/unittests/Target/LanguageTest.cpp b/lldb/unittests/Target/LanguageTest.cpp
index a00fda78..720863b 100644
--- a/lldb/unittests/Target/LanguageTest.cpp
+++ b/lldb/unittests/Target/LanguageTest.cpp
@@ -24,9 +24,6 @@ TEST_F(LanguageTest, SourceLanguage_GetDescription) {
       continue;
 
     auto lang_type = static_cast<lldb::LanguageType>(i);
-    if (lang_type == lldb::eLanguageTypeLastStandardLanguage)
-      continue;
-
     SourceLanguage lang(lang_type);
 
     // eLanguageTypeHIP is not implemented as a DW_LNAME because of a conflict.
@@ -39,9 +36,12 @@ TEST_F(LanguageTest, SourceLanguage_GetDescription) {
   EXPECT_EQ(SourceLanguage(eLanguageTypeC_plus_plus).GetDescription(),
             "ISO C++");
   EXPECT_EQ(SourceLanguage(eLanguageTypeC_plus_plus_17).GetDescription(),
-            "ISO C++");
+            "C++17");
   EXPECT_EQ(SourceLanguage(eLanguageTypeC_plus_plus_20).GetDescription(),
-            "ISO C++");
+            "C++20");
+
+  EXPECT_EQ(SourceLanguage(eLanguageTypeC).GetDescription(), "C (K&R and ISO)");
+  EXPECT_EQ(SourceLanguage(eLanguageTypeC89).GetDescription(), "C89");
 
   EXPECT_EQ(SourceLanguage(eLanguageTypeObjC).GetDescription(), "Objective C");
   EXPECT_EQ(SourceLanguage(eLanguageTypeMipsAssembler).GetDescription(),
@@ -67,3 +67,16 @@ TEST_F(LanguageTest, SourceLanguage_AsLanguageType) {
   EXPECT_EQ(SourceLanguage(eLanguageTypeUnknown).AsLanguageType(),
             eLanguageTypeUnknown);
 }
+
+TEST_F(LanguageTest, SourceLanguage_LastStandardLanguage) {
+  // eLanguageTypeLastStandardLanguage should be treated as a standard DWARF
+  // language.
+  SourceLanguage lang(eLanguageTypeLastStandardLanguage);
+  EXPECT_TRUE(lang);
+
+  // It should have a valid description (not "Unknown").
+  EXPECT_NE(lang.GetDescription(), "Unknown");
+
+  // It should convert to the correct language type.
+  EXPECT_EQ(lang.AsLanguageType(), eLanguageTypeLastStandardLanguage);
+}