[Driver/Unittests] Follow up for r212666, add unit test for the newly exposed...

[Driver/Unittests] Follow up for r212666, add unit test for the newly exposed getARMCPUForMArch() function.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@212751 91177308-0d34-0410-b5e6-96231b3b80d8

unittests/Driver/CMakeLists.txt

@@ -4,6 +4,7 @@ set(LLVM_LINK_COMPONENTS
 
 add_clang_unittest(ClangDriverTests
   MultilibTest.cpp
+  UtilsTest.cpp
   )
 
 target_link_libraries(ClangDriverTests

unittests/Driver/UtilsTest.cpp

+//===- unittests/Driver/UtilsTest.cpp --- Utils tests ---------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// Unit tests for Driver/Util API.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Driver/Util.h"
+#include "clang/Basic/LLVM.h"
+#include "llvm/ADT/Triple.h"
+#include "gtest/gtest.h"
+
+using namespace clang::driver;
+using namespace clang;
+
+TEST(UtilsTest, getARMCPUForMArch) {
+  {
+    llvm::Triple Triple("armv7s-apple-ios7");
+    EXPECT_STREQ("swift", getARMCPUForMArch(Triple.getArchName(), Triple));
+  }
+  {
+    llvm::Triple Triple("armv7-apple-ios7");
+    EXPECT_STREQ("cortex-a8", getARMCPUForMArch(Triple.getArchName(), Triple));
+  }
+}