Add license headers
diff --git a/test/01-basic-behavior.t b/test/01-basic-behavior.t
index 7e87a5d..0015998 100755
--- a/test/01-basic-behavior.t
+++ b/test/01-basic-behavior.t
@@ -1,4 +1,15 @@
#! /usr/bin/env escript
+% Licensed under the Apache License, Version 2.0 (the "License"); you may not
+% use this file except in compliance with the License. You may obtain a copy of
+% the License at
+%
+% http://www.apache.org/licenses/LICENSE-2.0
+%
+% Unless required by applicable law or agreed to in writing, software
+% distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+% WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+% License for the specific language governing permissions and limitations under
+% the License.
-define(WITH_LRU(F), tutil:with_lru(fun(LRU) -> F(LRU) end)).
diff --git a/test/02-lru-options.t b/test/02-lru-options.t
index 59d0ba1..c9fb721 100755
--- a/test/02-lru-options.t
+++ b/test/02-lru-options.t
@@ -1,4 +1,15 @@
#! /usr/bin/env escript
+% Licensed under the Apache License, Version 2.0 (the "License"); you may not
+% use this file except in compliance with the License. You may obtain a copy of
+% the License at
+%
+% http://www.apache.org/licenses/LICENSE-2.0
+%
+% Unless required by applicable law or agreed to in writing, software
+% distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+% WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+% License for the specific language governing permissions and limitations under
+% the License.
main([]) ->
code:add_pathz("test"),
diff --git a/test/03-limit-max-objects.t b/test/03-limit-max-objects.t
index bd4e793..00a40a8 100755
--- a/test/03-limit-max-objects.t
+++ b/test/03-limit-max-objects.t
@@ -1,4 +1,15 @@
#! /usr/bin/env escript
+% Licensed under the Apache License, Version 2.0 (the "License"); you may not
+% use this file except in compliance with the License. You may obtain a copy of
+% the License at
+%
+% http://www.apache.org/licenses/LICENSE-2.0
+%
+% Unless required by applicable law or agreed to in writing, software
+% distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+% WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+% License for the specific language governing permissions and limitations under
+% the License.
objs() -> 25.
diff --git a/test/04-limit-max-size.t b/test/04-limit-max-size.t
index 5cdf0ce..a54cdf0 100755
--- a/test/04-limit-max-size.t
+++ b/test/04-limit-max-size.t
@@ -1,4 +1,15 @@
#! /usr/bin/env escript
+% Licensed under the Apache License, Version 2.0 (the "License"); you may not
+% use this file except in compliance with the License. You may obtain a copy of
+% the License at
+%
+% http://www.apache.org/licenses/LICENSE-2.0
+%
+% Unless required by applicable law or agreed to in writing, software
+% distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+% WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+% License for the specific language governing permissions and limitations under
+% the License.
max_size() -> 1024.
diff --git a/test/05-limit-lifetime.t b/test/05-limit-lifetime.t
index 95effb2..eb6d54d 100755
--- a/test/05-limit-lifetime.t
+++ b/test/05-limit-lifetime.t
@@ -1,4 +1,15 @@
#! /usr/bin/env escript
+% Licensed under the Apache License, Version 2.0 (the "License"); you may not
+% use this file except in compliance with the License. You may obtain a copy of
+% the License at
+%
+% http://www.apache.org/licenses/LICENSE-2.0
+%
+% Unless required by applicable law or agreed to in writing, software
+% distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+% WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+% License for the specific language governing permissions and limitations under
+% the License.
lifetime() -> 100.
diff --git a/test/tutil.erl b/test/tutil.erl
index 3e4bd68..3bf154b 100644
--- a/test/tutil.erl
+++ b/test/tutil.erl
@@ -1,3 +1,15 @@
+% Licensed under the Apache License, Version 2.0 (the "License"); you may not
+% use this file except in compliance with the License. You may obtain a copy of
+% the License at
+%
+% http://www.apache.org/licenses/LICENSE-2.0
+%
+% Unless required by applicable law or agreed to in writing, software
+% distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+% WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+% License for the specific language governing permissions and limitations under
+% the License.
+
-module(tutil).
-export([
