Bazel client: implement Cstring-Wstring conversion

Implement conversion methods between char strings
and wchar_t strings. This is necessary to use
widechar Windows functions.

See https://github.com/bazelbuild/bazel/issues/2181

--
PiperOrigin-RevId: 142009930
MOS_MIGRATED_REVID=142009930

1 files changed, 18 insertions, 0 deletions

diff --git a/src/test/cpp/util/strings_test.cc b/src/test/cpp/util/strings_test.cc
index 91c7f9c2c3..ffdf89e27b 100644
--- a/src/test/cpp/util/strings_test.cc
+++ b/src/test/cpp/util/strings_test.cc
@@ -12,11 +12,19 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 #include "src/main/cpp/util/strings.h"
+
+#include <wchar.h>
+
+#include <memory>
+#include <string>
+#include <vector>
+
 #include "gtest/gtest.h"
 
 namespace blaze_util {
 
 using std::string;
+using std::unique_ptr;
 using std::vector;
 
 TEST(BlazeUtil, JoinStrings) {
@@ -295,4 +303,14 @@ TEST(BlazeUtil, StringPrintf) {
   EXPECT_EQ("a b", out);
 }
 
+TEST(BlazeUtil, CstringToWstringTest) {
+  unique_ptr<wchar_t[]> actual = CstringToWstring("hello world");
+  EXPECT_EQ(0, wcscmp(actual.get(), L"hello world"));
+}
+
+TEST(BlazeUtil, WstringToCstringTest) {
+  unique_ptr<char[]> actual = WstringToCstring(L"hello world");
+  EXPECT_EQ(0, strcmp(actual.get(), "hello world"));
+}
+
 }  // namespace blaze_util