1 files changed, 20 insertions, 1 deletions
diff --git a/extractor/precomputation_test.cc b/extractor/precomputation_test.cc
index 363febb7..e81ece5d 100644
--- a/extractor/precomputation_test.cc
+++ b/extractor/precomputation_test.cc
@@ -1,14 +1,19 @@
 #include <gtest/gtest.h>
 
 #include <memory>
+#include <sstream>
 #include <vector>
 
+#include <boost/archive/text_iarchive.hpp>
+#include <boost/archive/text_oarchive.hpp>
+
 #include "mocks/mock_data_array.h"
 #include "mocks/mock_suffix_array.h"
 #include "precomputation.h"
 
 using namespace std;
 using namespace ::testing;
+namespace ar = boost::archive;
 
 namespace extractor {
 namespace {
@@ -29,15 +34,17 @@ class PrecomputationTest : public Test {
                   GetSuffix(i)).WillRepeatedly(Return(suffixes[i]));
     }
     EXPECT_CALL(*suffix_array, BuildLCPArray()).WillRepeatedly(Return(lcp));
+
+    precomputation = Precomputation(suffix_array, 3, 3, 10, 5, 1, 4, 2);
   }
 
   vector<int> data;
   shared_ptr<MockDataArray> data_array;
   shared_ptr<MockSuffixArray> suffix_array;
+  Precomputation precomputation;
 };
 
 TEST_F(PrecomputationTest, TestCollocations) {
-  Precomputation precomputation(suffix_array, 3, 3, 10, 5, 1, 4, 2);
   Index collocations = precomputation.GetCollocations();
 
   vector<int> key = {2, 3, -1, 2};
@@ -101,6 +108,18 @@ TEST_F(PrecomputationTest, TestCollocations) {
   EXPECT_EQ(0, collocations.count(key));
 }
 
+TEST_F(PrecomputationTest, TestSerialization) {
+  stringstream stream(ios_base::out | ios_base::in);
+  ar::text_oarchive output_stream(stream, ar::no_header);
+  output_stream << precomputation;
+
+  Precomputation precomputation_copy;
+  ar::text_iarchive input_stream(stream, ar::no_header);
+  input_stream >> precomputation_copy;
+
+  EXPECT_EQ(precomputation, precomputation_copy);
+}
+
 } // namespace
 } // namespace extractor