106 lines
2.6 KiB
C++
106 lines
2.6 KiB
C++
// Copyright by Contributors
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#include "../../../src/tree/param.h"
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#include "../helpers.h"
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#include <gtest/gtest.h>
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TEST(Param, VectorIOStream) {
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std::vector<int> vals = {3, 2, 1};
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std::stringstream ss;
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std::vector<int> vals_in;
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ss << vals;
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EXPECT_EQ(ss.str(), "(3,2,1)");
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ss >> vals_in;
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EXPECT_EQ(vals_in, vals);
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vals.clear(); ss.flush(); ss.clear(); ss.str("");
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vals = {1};
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ss << vals;
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EXPECT_EQ(ss.str(), "(1,)");
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}
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TEST(Param, VectorStreamRead) {
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std::vector<int> vals = {3, 2, 1};
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std::stringstream ss;
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std::vector<int> vals_in;
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vals_in.clear(); ss.flush(); ss.clear(); ss.str("");
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ss << "(3, 2, 1)";
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ss >> vals_in;
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EXPECT_EQ(vals_in, vals);
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vals_in.clear(); ss.flush(); ss.clear(); ss.str("");
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ss << "(3L,2L,1L)";
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ss >> vals_in;
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EXPECT_EQ(vals_in, vals);
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vals_in.clear(); ss.flush(); ss.clear(); ss.str("");
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ss << " (3,2,1,)";
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ss >> vals_in;
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EXPECT_EQ(vals_in, vals);
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vals_in.clear(); ss.flush(); ss.clear(); ss.str("");
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ss << " ( 3, 2,1 )";
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ss >> vals_in;
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EXPECT_EQ(vals_in, vals);
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vals_in.clear(); ss.flush(); ss.clear(); ss.str("");
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ss << " ( 3, 2,1 ) ";
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ss >> vals_in;
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EXPECT_EQ(vals_in, vals);
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vals_in.clear(); ss.flush(); ss.clear(); ss.str("");
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ss << " 321 ";
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ss >> vals_in;
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EXPECT_EQ(vals_in[0], 321);
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vals_in.clear(); ss.flush(); ss.clear(); ss.str("");
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ss << "(3.0,2,1)";
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ss >> vals_in;
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EXPECT_NE(vals_in, vals);
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vals_in.clear(); ss.flush(); ss.clear(); ss.str("");
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ss << "1a";
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ss >> vals_in;
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EXPECT_NE(vals_in, vals);
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vals_in.clear(); ss.flush(); ss.clear(); ss.str("");
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ss << "abcde";
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ss >> vals_in;
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EXPECT_NE(vals_in, vals);
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vals_in.clear(); ss.flush(); ss.clear(); ss.str("");
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ss << "(3,2,1";
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ss >> vals_in;
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EXPECT_NE(vals_in, vals);
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vals_in.clear(); ss.flush(); ss.clear(); ss.str("");
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vals_in.emplace_back(3);
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ss << "( )";
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ss >> vals_in;
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ASSERT_TRUE(ss.good());
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}
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TEST(Param, SplitEntry) {
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xgboost::tree::SplitEntry se1;
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EXPECT_FALSE(se1.NeedReplace(-1, 100));
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xgboost::tree::SplitEntry se2;
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EXPECT_FALSE(se1.Update(se2));
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EXPECT_FALSE(se2.Update(-1, 100, 0, true, false, xgboost::tree::GradStats(),
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xgboost::tree::GradStats()));
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ASSERT_TRUE(se2.Update(1, 100, 0, true, false, xgboost::tree::GradStats(),
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xgboost::tree::GradStats()));
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ASSERT_TRUE(se1.Update(se2));
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xgboost::tree::SplitEntry se3;
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se3.Update(2, 101, 0, false, false, xgboost::tree::GradStats(),
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xgboost::tree::GradStats());
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xgboost::tree::SplitEntry::Reduce(se2, se3);
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EXPECT_EQ(se2.SplitIndex(), 101);
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EXPECT_FALSE(se2.DefaultLeft());
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EXPECT_TRUE(se1.NeedReplace(3, 1));
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}
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