swarm: codebase split from go-ethereum (#1405)

testutil/norace.go

@@ -0,0 +1,26 @@
+// Copyright 2019 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+// +build !race
+
+package testutil
+
+// RaceEnabled is true when -race flag is provided to the go tool. This const
+// might be used in tests to skip some cases as the race detector may increase
+// memory usage 5-10x and execution time by 2-20x. That might causes problems
+// on Travis. Please, use this flag sparingly and keep your unit tests
+// as light on resources as possible.
+const RaceEnabled = false