diff --git a/Library/Homebrew/test/test_build_environment.rb b/Library/Homebrew/test/test_build_environment.rb
new file mode 100644
index 0000000000..fde3f3c70f
--- /dev/null
+++ b/Library/Homebrew/test/test_build_environment.rb
@@ -0,0 +1,22 @@
+require 'testing_env'
+require 'build_environment'
+
+class BuildEnvironmentTests < Test::Unit::TestCase
+  def setup
+    @env = BuildEnvironment.new
+  end
+
+  def test_shovel_returns_self
+    assert_same @env, (@env << :foo)
+  end
+
+  def test_std?
+    @env << :std
+    assert @env.std?
+  end
+
+  def test_userpaths?
+    @env << :userpaths
+    assert @env.userpaths?
+  end
+end