1 files changed, 65 insertions, 0 deletions
diff --git a/apps/couch/test/etap/061-kt-missing-leaves.t b/apps/couch/test/etap/061-kt-missing-leaves.t
new file mode 100755
index 00000000..d60b4db8
--- /dev/null
+++ b/apps/couch/test/etap/061-kt-missing-leaves.t
@@ -0,0 +1,65 @@
+#!/usr/bin/env escript
+%% -*- erlang -*-
+
+% 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(_) ->
+    test_util:init_code_path(),
+    etap:plan(4),
+    case (catch test()) of
+        ok ->
+            etap:end_tests();
+        Other ->
+            etap:diag(io_lib:format("Test died abnormally: ~p", [Other])),
+            etap:bail(Other)
+    end,
+    ok.
+
+test() ->
+    TwoChildSibs = [{0, {"1","foo", [{"1a", "bar", []}, {"1b", "bar", []}]}}],
+    Stemmed1 = [{1, {"1a", "bar", [{"1aa", "bar", []}]}}],
+    Stemmed2 = [{2, {"1aa", "bar", []}}],
+
+    etap:is(
+        [],
+        couch_key_tree:find_missing(TwoChildSibs, [{0,"1"}, {1,"1a"}]),
+        "Look for missing keys."
+    ),
+
+    etap:is(
+        [{0, "10"}, {100, "x"}],
+        couch_key_tree:find_missing(
+            TwoChildSibs,
+            [{0,"1"}, {0, "10"}, {1,"1a"}, {100, "x"}]
+        ),
+        "Look for missing keys."
+    ),
+
+    etap:is(
+        [{0, "1"}, {100, "x"}],
+        couch_key_tree:find_missing(
+            Stemmed1,
+            [{0,"1"}, {1,"1a"}, {100, "x"}]
+        ),
+        "Look for missing keys."
+    ),
+    etap:is(
+        [{0, "1"}, {1,"1a"}, {100, "x"}],
+        couch_key_tree:find_missing(
+            Stemmed2,
+            [{0,"1"}, {1,"1a"}, {100, "x"}]
+        ),
+        "Look for missing keys."
+    ),
+
+    ok.