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// Copyright 2019 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "dap/any.h"
#include "dap/typeof.h"
#include "dap/types.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
namespace dap {
struct AnyTestObject {
dap::integer i;
dap::number n;
};
DAP_STRUCT_TYPEINFO(AnyTestObject,
"AnyTestObject",
DAP_FIELD(i, "i"),
DAP_FIELD(n, "n"));
inline bool operator==(const AnyTestObject& a, const AnyTestObject& b) {
return a.i == b.i && a.n == b.n;
}
} // namespace dap
namespace {
template <typename T>
struct TestValue {};
template <>
struct TestValue<dap::null> {
static const dap::null value;
};
template <>
struct TestValue<dap::integer> {
static const dap::integer value;
};
template <>
struct TestValue<dap::boolean> {
static const dap::boolean value;
};
template <>
struct TestValue<dap::number> {
static const dap::number value;
};
template <>
struct TestValue<dap::string> {
static const dap::string value;
};
template <>
struct TestValue<dap::array<dap::string>> {
static const dap::array<dap::string> value;
};
template <>
struct TestValue<dap::AnyTestObject> {
static const dap::AnyTestObject value;
};
const dap::null TestValue<dap::null>::value = nullptr;
const dap::integer TestValue<dap::integer>::value = 20;
const dap::boolean TestValue<dap::boolean>::value = true;
const dap::number TestValue<dap::number>::value = 123.45;
const dap::string TestValue<dap::string>::value = "hello world";
const dap::array<dap::string> TestValue<dap::array<dap::string>>::value = {
"one", "two", "three"};
const dap::AnyTestObject TestValue<dap::AnyTestObject>::value = {10, 20.30};
} // namespace
TEST(Any, EmptyConstruct) {
dap::any any;
ASSERT_TRUE(any.is<dap::null>());
ASSERT_FALSE(any.is<dap::boolean>());
ASSERT_FALSE(any.is<dap::integer>());
ASSERT_FALSE(any.is<dap::number>());
ASSERT_FALSE(any.is<dap::object>());
ASSERT_FALSE(any.is<dap::string>());
ASSERT_FALSE(any.is<dap::array<dap::integer>>());
ASSERT_FALSE(any.is<dap::AnyTestObject>());
}
TEST(Any, Boolean) {
dap::any any(dap::boolean(true));
ASSERT_TRUE(any.is<dap::boolean>());
ASSERT_EQ(any.get<dap::boolean>(), dap::boolean(true));
}
TEST(Any, Integer) {
dap::any any(dap::integer(10));
ASSERT_TRUE(any.is<dap::integer>());
ASSERT_EQ(any.get<dap::integer>(), dap::integer(10));
}
TEST(Any, Number) {
dap::any any(dap::number(123.0f));
ASSERT_TRUE(any.is<dap::number>());
ASSERT_EQ(any.get<dap::number>(), dap::number(123.0f));
}
TEST(Any, String) {
dap::any any(dap::string("hello world"));
ASSERT_TRUE(any.is<dap::string>());
ASSERT_EQ(any.get<dap::string>(), dap::string("hello world"));
}
TEST(Any, Array) {
using array = dap::array<dap::integer>;
dap::any any(array({10, 20, 30}));
ASSERT_TRUE(any.is<array>());
ASSERT_EQ(any.get<array>(), array({10, 20, 30}));
}
TEST(Any, Object) {
dap::object o;
o["one"] = dap::integer(1);
o["two"] = dap::integer(2);
o["three"] = dap::integer(3);
dap::any any(o);
ASSERT_TRUE(any.is<dap::object>());
if (any.is<dap::object>()) {
auto got = any.get<dap::object>();
ASSERT_EQ(got.size(), 3U);
ASSERT_EQ(got.count("one"), 1U);
ASSERT_EQ(got.count("two"), 1U);
ASSERT_EQ(got.count("three"), 1U);
ASSERT_TRUE(got["one"].is<dap::integer>());
ASSERT_TRUE(got["two"].is<dap::integer>());
ASSERT_TRUE(got["three"].is<dap::integer>());
ASSERT_EQ(got["one"].get<dap::integer>(), dap::integer(1));
ASSERT_EQ(got["two"].get<dap::integer>(), dap::integer(2));
ASSERT_EQ(got["three"].get<dap::integer>(), dap::integer(3));
}
}
TEST(Any, TestObject) {
dap::any any(dap::AnyTestObject{5, 3.0});
ASSERT_TRUE(any.is<dap::AnyTestObject>());
ASSERT_EQ(any.get<dap::AnyTestObject>().i, 5);
ASSERT_EQ(any.get<dap::AnyTestObject>().n, 3.0);
}
template <typename T>
class AnyT : public ::testing::Test {
protected:
template <typename T0,
typename = std::enable_if<std::is_same<T, T0>::value &&
!std::is_same<T0, dap::null>::value>>
void check_val(const dap::any& any, const T0& expect) {
ASSERT_EQ(any.is<T>(), any.is<T0>());
ASSERT_EQ(any.get<T>(), expect);
}
// Special case for Null assignment, as we can assign nullptr_t to any but
// can't `get()` it
template <typename = dap::null>
void check_val(const dap::any& any, const dap::null& expect) {
ASSERT_EQ(nullptr, expect);
ASSERT_TRUE(any.is<dap::null>());
}
void check_type(const dap::any& any) {
ASSERT_EQ(any.is<dap::null>(), (std::is_same<T, dap::null>::value));
ASSERT_EQ(any.is<dap::integer>(), (std::is_same<T, dap::integer>::value));
ASSERT_EQ(any.is<dap::boolean>(), (std::is_same<T, dap::boolean>::value));
ASSERT_EQ(any.is<dap::number>(), (std::is_same<T, dap::number>::value));
ASSERT_EQ(any.is<dap::string>(), (std::is_same<T, dap::string>::value));
ASSERT_EQ(any.is<dap::array<dap::string>>(),
(std::is_same<T, dap::array<dap::string>>::value));
ASSERT_EQ(any.is<dap::AnyTestObject>(),
(std::is_same<T, dap::AnyTestObject>::value));
}
};
TYPED_TEST_SUITE_P(AnyT);
TYPED_TEST_P(AnyT, CopyConstruct) {
auto val = TestValue<TypeParam>::value;
dap::any any(val);
this->check_type(any);
this->check_val(any, val);
}
TYPED_TEST_P(AnyT, MoveConstruct) {
auto val = TestValue<TypeParam>::value;
dap::any any(std::move(val));
this->check_type(any);
this->check_val(any, val);
}
TYPED_TEST_P(AnyT, Assign) {
auto val = TestValue<TypeParam>::value;
dap::any any;
any = val;
this->check_type(any);
this->check_val(any, val);
}
TYPED_TEST_P(AnyT, MoveAssign) {
auto val = TestValue<TypeParam>::value;
dap::any any;
any = std::move(val);
this->check_type(any);
this->check_val(any, val);
}
TYPED_TEST_P(AnyT, RepeatedAssign) {
dap::string str = "hello world";
auto val = TestValue<TypeParam>::value;
dap::any any;
any = str;
any = val;
this->check_type(any);
this->check_val(any, val);
}
TYPED_TEST_P(AnyT, RepeatedMoveAssign) {
dap::string str = "hello world";
auto val = TestValue<TypeParam>::value;
dap::any any;
any = std::move(str);
any = std::move(val);
this->check_type(any);
this->check_val(any, val);
}
REGISTER_TYPED_TEST_SUITE_P(AnyT,
CopyConstruct,
MoveConstruct,
Assign,
MoveAssign,
RepeatedAssign,
RepeatedMoveAssign);
using AnyTypes = ::testing::Types<dap::null,
dap::integer,
dap::boolean,
dap::number,
dap::string,
dap::array<dap::string>,
dap::AnyTestObject>;
INSTANTIATE_TYPED_TEST_SUITE_P(T, AnyT, AnyTypes);
TEST(Any, Reset) {
dap::any any(dap::integer(10));
ASSERT_TRUE(any.is<dap::integer>());
any.reset();
ASSERT_FALSE(any.is<dap::integer>());
}
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