[mlpack-git] master: Test the empty constructor. (a7d8231)
gitdub at big.cc.gt.atl.ga.us
gitdub at big.cc.gt.atl.ga.us
Fri Nov 20 17:33:40 EST 2015
Repository : https://github.com/mlpack/mlpack
On branch : master
Link : https://github.com/mlpack/mlpack/compare/962a37fe8374913c435054aa50e12d912bdfa01c...a7d8231fe7526dcfaadae0bf37d67b50d286e45d
>---------------------------------------------------------------
commit a7d8231fe7526dcfaadae0bf37d67b50d286e45d
Author: Ryan Curtin <ryan at ratml.org>
Date: Fri Nov 20 22:32:57 2015 +0000
Test the empty constructor.
>---------------------------------------------------------------
a7d8231fe7526dcfaadae0bf37d67b50d286e45d
src/mlpack/tests/lsh_test.cpp | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/src/mlpack/tests/lsh_test.cpp b/src/mlpack/tests/lsh_test.cpp
index e83b17e..70c132d 100644
--- a/src/mlpack/tests/lsh_test.cpp
+++ b/src/mlpack/tests/lsh_test.cpp
@@ -132,4 +132,27 @@ BOOST_AUTO_TEST_CASE(LSHTrainTest)
BOOST_REQUIRE_EQUAL(distances.n_rows, 3);
}
+BOOST_AUTO_TEST_CASE(EmptyConstructorTest)
+{
+ // If we create an empty LSH model and then call Search(), it should throw an
+ // exception.
+ LSHSearch<> lsh;
+
+ arma::mat dataset = arma::randu<arma::mat>(5, 50);
+ arma::mat distances;
+ arma::Mat<size_t> neighbors;
+ BOOST_REQUIRE_THROW(lsh.Search(dataset, 2, neighbors, distances),
+ std::invalid_argument);
+
+ // Now, train.
+ lsh.Train(dataset, 4, 3, 3.0, 12, 4);
+
+ lsh.Search(dataset, 3, neighbors, distances);
+
+ BOOST_REQUIRE_EQUAL(neighbors.n_cols, 50);
+ BOOST_REQUIRE_EQUAL(neighbors.n_rows, 3);
+ BOOST_REQUIRE_EQUAL(distances.n_cols, 50);
+ BOOST_REQUIRE_EQUAL(distances.n_rows, 3);
+}
+
BOOST_AUTO_TEST_SUITE_END();
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