--- /dev/null
+//===-- CLanguagesTest.cpp ------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "Plugins/Language/CPlusPlus/CPlusPlusLanguage.h"
+#include "Plugins/Language/ObjC/ObjCLanguage.h"
+#include "Plugins/Language/ObjCPlusPlus/ObjCPlusPlusLanguage.h"
+#include "TestingSupport/SubsystemRAII.h"
+#include "lldb/lldb-enumerations.h"
+
+#include "gmock/gmock.h"
+#include "gtest/gtest.h"
+
+using namespace lldb_private;
+
+/// Returns the name of the LLDB plugin for the given language or a null
+/// ConstString if there is no fitting plugin.
+static ConstString GetPluginName(lldb::LanguageType language) {
+ Language *language_plugin = Language::FindPlugin(language);
+ if (language_plugin)
+ return language_plugin->GetPluginName();
+ return ConstString();
+}
+
+TEST(CLanguages, LookupCLanguagesByLanguageType) {
+ SubsystemRAII<CPlusPlusLanguage, ObjCPlusPlusLanguage, ObjCLanguage> langs;
+
+ // There is no plugin to find for C.
+ EXPECT_EQ(Language::FindPlugin(lldb::eLanguageTypeC), nullptr);
+ EXPECT_EQ(Language::FindPlugin(lldb::eLanguageTypeC89), nullptr);
+ EXPECT_EQ(Language::FindPlugin(lldb::eLanguageTypeC99), nullptr);
+ EXPECT_EQ(Language::FindPlugin(lldb::eLanguageTypeC11), nullptr);
+
+ EXPECT_EQ(GetPluginName(lldb::eLanguageTypeC_plus_plus), "cplusplus");
+ EXPECT_EQ(GetPluginName(lldb::eLanguageTypeC_plus_plus_03), "cplusplus");
+ EXPECT_EQ(GetPluginName(lldb::eLanguageTypeC_plus_plus_11), "cplusplus");
+ EXPECT_EQ(GetPluginName(lldb::eLanguageTypeC_plus_plus_14), "cplusplus");
+
+ EXPECT_EQ(GetPluginName(lldb::eLanguageTypeObjC), "objc");
+
+ EXPECT_EQ(GetPluginName(lldb::eLanguageTypeObjC_plus_plus), "objcplusplus");
+}
EXPECT_EQ(getName("a/dir.CC"), "clang");
EXPECT_EQ(getName("/a/dir.hpp"), "clang");
EXPECT_EQ(getName("header.h"), "clang");
+ EXPECT_EQ(getName("foo.m"), "clang");
+ EXPECT_EQ(getName("foo.mm"), "clang");
EXPECT_EQ(getName(""), "none");
EXPECT_EQ(getName("/dev/null"), "none");