Fixed unit tests. Unit tests were failing locally, mostly just type mismatches, but there was an error in the GetDownloadPath for the test utilities.

PiperOrigin-RevId: 474358069

internal/platform/implementation/windows/test_utils.cc

@@ -16,8 +16,12 @@
 
 #include <shlobj.h>
 
+#include <algorithm>
 #include <sstream>
 
+#include "absl/strings/str_format.h"
+#include "absl/strings/str_replace.h"
+
 namespace test_utils {
 std::wstring StringToWideString(const std::string& s) {
   int len;
@@ -60,11 +64,12 @@ std::string GetPayloadPath(location::nearby::PayloadId payload_id) {
 
   CoTaskMemFree(basePath);
 
-  std::stringstream path("");
+  std::string path =
+      absl::StrFormat("%s\\%s", fullPath, std::to_string(payload_id));
 
-  path << fullPath << "\\" << std::to_string(payload_id);
+  path = absl::StrReplaceAll(path, {{"\\", "/"}});
 
-  return path.str();
+  return path;
 }
 
 }  // namespace test_utils

internal/platform/implementation/windows/utils_test.cc

@@ -49,7 +49,8 @@ TEST(UtilsTests, StringToMacAddress) {
 }
 
 constexpr absl::string_view kIpDotdecimal{"192.168.1.37"};
-constexpr char kIp4Bytes[] = {192, 168, 1, 37};
+
+constexpr char kIp4Bytes[] = {(char)192, (char)168, (char)1, (char)37};
 
 TEST(UtilsTests, Ip4BytesToDotdecimal) {
   std::string result =
@@ -62,7 +63,7 @@ TEST(UtilsTests, IpDotdecimalTo4Bytes) {
   std::string result =
       ipaddr_dotdecimal_to_4bytes_string(std::string(kIpDotdecimal));
 
-  EXPECT_EQ(result, std::string(kIp4Bytes));
+  EXPECT_EQ(result, std::string(kIp4Bytes, 4));
 }
 
 }  // namespace windows