pw_status: Update Status::CODE to Status::Code()

- Update Status::CODE style to Status::Code() using
  pw_status/update_style.py.
- Make minor adjustments to the pw_assert tests to get them passing.

Change-Id: Ie54c3c605178fd1e42c7cedbcff324115f3ed279
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/19165
Commit-Queue: Wyatt Hepler <hepler@google.com>
Reviewed-by: Ewout van Bekkum <ewout@google.com>
diff --git a/pw_kvs/entry_cache.cc b/pw_kvs/entry_cache.cc
index c6d58a8..b6245a4 100644
--- a/pw_kvs/entry_cache.cc
+++ b/pw_kvs/entry_cache.cc
@@ -103,18 +103,18 @@
 
       if (!key_found) {
         PW_LOG_ERROR("No valid entries for key. Data has been lost!");
-        return StatusWithSize(Status::DATA_LOSS, error_val);
+        return StatusWithSize::DataLoss(error_val);
       } else if (key == read_key) {
         PW_LOG_DEBUG("Found match for key hash 0x%08" PRIx32, hash);
         *metadata = EntryMetadata(descriptors_[i], addresses(i));
-        return StatusWithSize(Status::OK, error_val);
+        return StatusWithSize::Ok(error_val);
       } else {
         PW_LOG_WARN("Found key hash collision for 0x%08" PRIx32, hash);
-        return StatusWithSize(Status::ALREADY_EXISTS, error_val);
+        return StatusWithSize::AlreadyExists(error_val);
       }
     }
   }
-  return StatusWithSize::NOT_FOUND;
+  return StatusWithSize::NotFound();
 }
 
 EntryMetadata EntryCache::AddNew(const KeyDescriptor& descriptor,
@@ -139,17 +139,17 @@
   // Write a new entry if there is room.
   if (index == -1) {
     if (full()) {
-      return Status::RESOURCE_EXHAUSTED;
+      return Status::ResourceExhausted();
     }
     AddNew(descriptor, address);
-    return Status::OK;
+    return Status::Ok();
   }
 
   // Existing entry is old; replace the existing entry with the new one.
   if (descriptor.transaction_id > descriptors_[index].transaction_id) {
     descriptors_[index] = descriptor;
     ResetAddresses(index, address);
-    return Status::OK;
+    return Status::Ok();
   }
 
   // If the entries have a duplicate transaction ID, add the new (redundant)
@@ -160,7 +160,7 @@
                    " with transaction ID %" PRIu32 " has non-matching hash",
                    descriptor.key_hash,
                    descriptor.transaction_id);
-      return Status::DATA_LOSS;
+      return Status::DataLoss();
     }
 
     // Verify that this entry is not in the same sector as an existing copy of
@@ -169,7 +169,7 @@
       if (existing_address / sector_size_bytes == address / sector_size_bytes) {
         PW_LOG_DEBUG("Multiple Redundant entries in same sector %u",
                      unsigned(address / sector_size_bytes));
-        return Status::DATA_LOSS;
+        return Status::DataLoss();
       }
     }
 
@@ -177,7 +177,7 @@
   } else {
     PW_LOG_DEBUG("Found stale entry when appending; ignoring");
   }
-  return Status::OK;
+  return Status::Ok();
 }
 
 size_t EntryCache::present_entries() const {