Need the unsigned constants marked as unsigned.

base/metrics/field_trial_unittest.cc

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Test of FieldTrial class
 
 #include "base/metrics/field_trial.h"
 
 #include "base/rand_util.h"
 #include "base/stringprintf.h"
 #include "base/string_number_conversions.h"
@@ skipping 208 matching lines @@
   // And that default_group_name should ALWAYS win.
   EXPECT_EQ(default_group_name, trial->group_name());
 }
 
 TEST_F(FieldTrialTest, HashName) {
   // Make sure hashing is stable on all platforms.
   struct {
     const char* name;
     uint32 hash_value;
   } known_hashes[] = {
-    {"a", 937752454},
-    {"1", 723085877},
-    {"Trial Name", 2713117220},
-    {"Group Name", 3201815843},
-    {"My Favorite Experiment", 3722155194},
-    {"My Awesome Group Name", 4109503236},
-    {"abcdefghijklmonpqrstuvwxyz", 787728696},
-    {"0123456789ABCDEF", 348858318}
+    {"a", 937752454u},
+    {"1", 723085877u},
+    {"Trial Name", 2713117220u},
+    {"Group Name", 3201815843u},
+    {"My Favorite Experiment", 3722155194u},
+    {"My Awesome Group Name", 4109503236u},
+    {"abcdefghijklmonpqrstuvwxyz", 787728696u},
+    {"0123456789ABCDEF", 348858318U}
   };
   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(known_hashes); ++i) {
     EXPECT_EQ(known_hashes[i].hash_value,
               FieldTrial::HashName(known_hashes[i].name));
   }
 }
 
 TEST_F(FieldTrialTest, NameGroupIds) {
   std::string no_group("No Group");
   uint32 no_group_id = FieldTrial::HashName(no_group);
@@ skipping 248 matching lines @@
 TEST_F(FieldTrialTest, DisableAfterInitialization) {
   FieldTrial* trial =
       new FieldTrial("trial", 100, "default", next_year_, 12, 31);
   trial->AppendGroup("non_default", 100);
   ASSERT_EQ("non_default", trial->group_name());
   trial->Disable();
   ASSERT_EQ("default", trial->group_name());
 }
 
 }  // namespace base