[GitHub] [commons-math] nhojpatrick commented on a diff in pull request #215: JUnit5 assertThrows MapRankingTest

[GitBox <gi...@apache.org>]

nhojpatrick commented on code in PR #215:
URL: https://github.com/apache/commons-math/pull/215#discussion_r1001424394


##########
commons-math-neuralnet/src/test/java/org/apache/commons/math4/neuralnet/MapRankingTest.java:
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@@ -94,15 +97,16 @@ public void testFindClosestNeuron() {
         Assert.assertEquals(3, allBest.size());
     }
 
-    @Test(expected = IllegalArgumentException.class)
+    @Test
     public void testRankPrecondition() {
         final UniformRandomProvider rng = RandomSource.SPLIT_MIX_64.create();
         final FeatureInitializer init
             = new OffsetFeatureInitializer(FeatureInitializerFactory.uniform(rng, -0.1, 0.1));
         final FeatureInitializer[] initArray = {init};
 
-        new MapRanking(new NeuronString(3, false, initArray).getNetwork(),
-                       new EuclideanDistance()).rank(new double[] {-1}, 0);
+        assertThrows(IllegalArgumentException.class, () ->

Review Comment:
   extracted setup, so only rank is checked.



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