5 #include "base/guid.h"
19 bool IsGUIDv4(const std::string& guid) {  in IsGUIDv4()  argument
20   // The format of GUID version 4 must be xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx,  in IsGUIDv4()
22   return IsValidGUID(guid) && guid[14] == '4' &&  in IsGUIDv4()
23          (guid[19] == '8' || guid[19] == '9' || guid[19] == 'A' ||  in IsGUIDv4()
24           guid[19] == 'a' || guid[19] == 'B' || guid[19] == 'b');  in IsGUIDv4()
44     std::string guid = GenerateGUID();  in TEST()  local
45     EXPECT_TRUE(IsValidGUID(guid));  in TEST()
46     EXPECT_TRUE(IsValidGUIDOutputString(guid));  in TEST()
47     EXPECT_TRUE(IsValidGUID(ToLowerASCII(guid)));  in TEST()
48     EXPECT_TRUE(IsValidGUID(ToUpperASCII(guid)));  in TEST()