Issue numenta#1380: Add SP test checking results with no learning and…

… 0 boosting
lscheinkman · Jan 10, 2018 · eba72d0 · eba72d0
1 parent d608108
commit eba72d0
Showing 1 changed file with 17 additions and 0 deletions.
diff --git a/src/test/unit/algorithms/SpatialPoolerTest.cpp b/src/test/unit/algorithms/SpatialPoolerTest.cpp
@@ -2222,6 +2222,23 @@ namespace {
     EXPECT_EQ(0, countNonzero(activeColumns));
   }
 
+
+  TEST(SpatialPoolerTest, testSameOutputForSameInputNoLearningNoBoosting)
+  {
+    const UInt inputSize = 10;
+    const UInt nColumns = 20;
+    SpatialPooler sp;
+    sp.initialize({inputSize}, {nColumns});
+    sp.setBoostStrength(0);
+
+    vector<UInt> input = { 1, 1, 0, 0, 1, 1, 0, 0, 1, 1 };
+    vector<UInt> out1(nColumns, 0);
+    vector<UInt> out2(nColumns, 0);
+    sp.compute(input.data(), false, out1.data());
+    sp.compute(input.data(), false, out2.data());
+    EXPECT_EQ(out1, out2);
+  }
+
   TEST(SpatialPoolerTest, testSaveLoad)
   {
     const char* filename = "SpatialPoolerSerialization.tmp";