1 files changed, 18 insertions, 0 deletions
diff --git a/jstests/core/fts_explain.js b/jstests/core/fts_explain.js
new file mode 100644
index 00000000000..0d9c1fd7a9d
--- /dev/null
+++ b/jstests/core/fts_explain.js
@@ -0,0 +1,18 @@
+// Test $text explain.  SERVER-12037.
+
+var coll = db.fts_explain;
+
+coll.drop();
+coll.ensureIndex({content: "text"}, {default_language: "none"});
+assert.gleSuccess(db);
+
+coll.insert({content: "some data"});
+assert.gleSuccess(db);
+
+var explain = coll.find({$text:{$search: "\"a\" -b -\"c\""}}).explain(true);
+assert.eq(explain.cursor, "TextCursor");
+assert.eq(explain.stats.type, "TEXT");
+assert.eq(explain.stats.parsedTextQuery.terms, ["a"]);
+assert.eq(explain.stats.parsedTextQuery.negatedTerms, ["b"]);
+assert.eq(explain.stats.parsedTextQuery.phrases, ["a"]);
+assert.eq(explain.stats.parsedTextQuery.negatedPhrases, ["c"]);