tests.

Author: trivialfis

src/metric/rank_metric.cc

@@ -345,7 +345,6 @@ class EvalPrecision : public EvalRankWithCache<ltr::MAPCache> {
           n_hits += g_label(g_rank[i]) * weight[g];
         }
       }
-
       pre[g] = n_hits / n;
     });
 

tests/cpp/metric/test_rank_metric.h

@@ -21,24 +21,26 @@ namespace xgboost::metric {
 
 inline void VerifyPrecision(DataSplitMode data_split_mode = DataSplitMode::kRow) {
   auto ctx = xgboost::CreateEmptyGenericParam(GPUIDX);
-  xgboost::Metric* metric = xgboost::Metric::Create("pre", &ctx);
+  std::unique_ptr<xgboost::Metric> metric{Metric::Create("pre", &ctx)};
   ASSERT_STREQ(metric->Name(), "pre");
-  EXPECT_NEAR(GetMetricEval(metric, {0, 1}, {0, 1}, {}, {}, data_split_mode), 0.5, 1e-7);
+  EXPECT_NEAR(GetMetricEval(metric.get(), {0, 1}, {0, 1}, {}, {}, data_split_mode), 0.5, 1e-7);
   EXPECT_NEAR(
-      GetMetricEval(metric, {0.1f, 0.9f, 0.1f, 0.9f}, {0, 0, 1, 1}, {}, {}, data_split_mode), 0.5,
-      1e-7);
+      GetMetricEval(metric.get(), {0.1f, 0.9f, 0.1f, 0.9f}, {0, 0, 1, 1}, {}, {}, data_split_mode),
+      0.5, 1e-7);
 
-  delete metric;
-  metric = xgboost::Metric::Create("pre@2", &ctx);
+  metric.reset(xgboost::Metric::Create("pre@2", &ctx));
   ASSERT_STREQ(metric->Name(), "pre@2");
-  EXPECT_NEAR(GetMetricEval(metric, {0, 1}, {0, 1}, {}, {}, data_split_mode), 0.5f, 1e-7);
+  EXPECT_NEAR(GetMetricEval(metric.get(), {0, 1}, {0, 1}, {}, {}, data_split_mode), 0.5f, 1e-7);
   EXPECT_NEAR(
-      GetMetricEval(metric, {0.1f, 0.9f, 0.1f, 0.9f}, {0, 0, 1, 1}, {}, {}, data_split_mode), 0.5f,
-      0.001f);
+      GetMetricEval(metric.get(), {0.1f, 0.9f, 0.1f, 0.9f}, {0, 0, 1, 1}, {}, {}, data_split_mode),
+      0.5f, 0.001f);
 
-  EXPECT_ANY_THROW(GetMetricEval(metric, {0, 1}, {}, {}, {}, data_split_mode));
+  EXPECT_ANY_THROW(GetMetricEval(metric.get(), {0, 1}, {}, {}, {}, data_split_mode));
 
-  delete metric;
+  metric.reset(xgboost::Metric::Create("pre@4", &ctx));
+  EXPECT_NEAR(GetMetricEval(metric.get(), {0.2f, 0.3f, 0.4f, 0.5f, 0.6f, 0.7f},
+                            {0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f}, {}, {}, data_split_mode),
+              0.5f, 1e-7);
 }
 
 inline void VerifyNDCG(DataSplitMode data_split_mode = DataSplitMode::kRow) {