1 files changed, 31 insertions, 0 deletions
diff --git a/extractor/alignment_test.cc b/extractor/alignment_test.cc
new file mode 100644
index 00000000..1bc51a56
--- /dev/null
+++ b/extractor/alignment_test.cc
@@ -0,0 +1,31 @@
+#include <gtest/gtest.h>
+
+#include <memory>
+#include <string>
+
+#include "alignment.h"
+
+using namespace std;
+using namespace ::testing;
+
+namespace {
+
+class AlignmentTest : public Test {
+ protected:
+  virtual void SetUp() {
+    alignment = make_shared<Alignment>("sample_alignment.txt");
+  }
+
+  shared_ptr<Alignment> alignment;
+};
+
+TEST_F(AlignmentTest, TestGetLinks) {
+  vector<pair<int, int> > expected_links = {
+    make_pair(0, 0), make_pair(1, 1), make_pair(2, 2)
+  };
+  EXPECT_EQ(expected_links, alignment->GetLinks(0));
+  expected_links = {make_pair(1, 0), make_pair(2, 1)};
+  EXPECT_EQ(expected_links, alignment->GetLinks(1));
+}
+
+}  // namespace