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