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