1450aebb74
* Fix pairwise objective with NDCG metric. - Allow setting `ndcg_exp_gain` for `rank:pairwise`. This is useful when using pairwise for objective but ndcg for metric.
106 lines
2.6 KiB
C++
106 lines
2.6 KiB
C++
/*!
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* Copyright (c) by Contributors 2019
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*/
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#include <gtest/gtest.h>
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#include <xgboost/base.h>
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#include <xgboost/parameter.h>
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enum class Foo : int {
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kBar = 0, kFrog = 1, kCat = 2, kDog = 3
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};
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DECLARE_FIELD_ENUM_CLASS(Foo);
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struct MyEnumParam : xgboost::XGBoostParameter<MyEnumParam> {
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Foo foo;
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int bar;
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DMLC_DECLARE_PARAMETER(MyEnumParam) {
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DMLC_DECLARE_FIELD(foo)
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.set_default(Foo::kBar)
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.add_enum("bar", Foo::kBar)
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.add_enum("frog", Foo::kFrog)
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.add_enum("cat", Foo::kCat)
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.add_enum("dog", Foo::kDog);
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DMLC_DECLARE_FIELD(bar)
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.set_default(-1);
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}
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};
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DMLC_REGISTER_PARAMETER(MyEnumParam);
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TEST(EnumClassParam, Basic) {
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MyEnumParam param;
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std::map<std::string, std::string> kwargs{
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{"foo", "frog"}, {"bar", "10"}
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};
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// try initializing
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param.Init(kwargs); // NOLINT(clang-analyzer-core.UndefinedBinaryOperatorResult)
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ASSERT_EQ(param.foo, Foo::kFrog);
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ASSERT_EQ(param.bar, 10);
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// try all possible enum values
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kwargs["foo"] = "bar";
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param.Init(kwargs);
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ASSERT_EQ(param.foo, Foo::kBar);
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kwargs["foo"] = "frog";
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param.Init(kwargs);
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ASSERT_EQ(param.foo, Foo::kFrog);
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kwargs["foo"] = "cat";
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param.Init(kwargs);
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ASSERT_EQ(param.foo, Foo::kCat);
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kwargs["foo"] = "dog";
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param.Init(kwargs);
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ASSERT_EQ(param.foo, Foo::kDog);
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// try setting non-existent enum value
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kwargs["foo"] = "human";
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ASSERT_THROW(param.Init(kwargs), dmlc::ParamError);
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}
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struct UpdatableParam : xgboost::XGBoostParameter<UpdatableParam> {
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float f { 0.0f };
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double d { 0.0 };
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DMLC_DECLARE_PARAMETER(UpdatableParam) {
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DMLC_DECLARE_FIELD(f)
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.set_default(11.0f);
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DMLC_DECLARE_FIELD(d)
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.set_default(2.71828f);
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}
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};
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DMLC_REGISTER_PARAMETER(UpdatableParam);
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TEST(XGBoostParameter, Update) {
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{
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UpdatableParam p;
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auto constexpr kRtEps = xgboost::kRtEps;
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p.UpdateAllowUnknown(xgboost::Args{});
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// When it's not initialized, perform set_default.
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ASSERT_NEAR(p.f, 11.0f, kRtEps);
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ASSERT_NEAR(p.d, 2.71828f, kRtEps);
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p.d = 3.14149;
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p.UpdateAllowUnknown(xgboost::Args{{"f", "2.71828"}});
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ASSERT_NEAR(p.f, 2.71828f, kRtEps);
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// p.d is un-effected by the update.
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ASSERT_NEAR(p.d, 3.14149, kRtEps);
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}
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{
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UpdatableParam p;
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auto constexpr kRtEps = xgboost::kRtEps;
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p.UpdateAllowUnknown(xgboost::Args{{"f", "2.71828"}});
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ASSERT_NEAR(p.f, 2.71828f, kRtEps);
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ASSERT_NEAR(p.d, 2.71828, kRtEps); // default
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}
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// Just in case dmlc's use of global memory has any impact in parameters.
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UpdatableParam a, b;
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a.UpdateAllowUnknown(xgboost::Args{{"f", "2.71828"}});
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ASSERT_NE(a.f, b.f);
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}
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