mirror of
https://github.com/wpilibsuite/allwpilib
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Add json support to wpiutil.
This is a modified version of https://github.com/nlohmann/json. It's been moved into the wpi namespace as many of the changes are not compatible. The amount of template code has been significantly reduced, enabling many functions to be moved out-of-line, and for the result to build on older compiler versions (in particular GCC 4.8).
This commit is contained in:
Peter Johnson
463
src/test/native/cpp/json/unit-pointer_access.cpp
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463
src/test/native/cpp/json/unit-pointer_access.cpp
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@@ -0,0 +1,463 @@
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/*----------------------------------------------------------------------------*/
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/* Modifications Copyright (c) FIRST 2017. All Rights Reserved. */
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/* Open Source Software - may be modified and shared by FRC teams. The code */
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/* must be accompanied by the FIRST BSD license file in the root directory of */
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/* the project. */
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/*----------------------------------------------------------------------------*/
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/*
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__ _____ _____ _____
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__| | __| | | | JSON for Modern C++ (test suite)
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| | |__ | | | | | | version 2.1.1
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|_____|_____|_____|_|___| https://github.com/nlohmann/json
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Licensed under the MIT License <http://opensource.org/licenses/MIT>.
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Copyright (c) 2013-2017 Niels Lohmann <http://nlohmann.me>.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#include "gtest/gtest.h"
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#include "unit-json.h"
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using wpi::json;
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TEST(JsonPointerTest, TypesCreate)
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{
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// create a JSON value with different types
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json json_types =
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{
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{"boolean", true},
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{
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"number", {
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{"integer", 42},
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{"unsigned", 42u},
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{"floating-point", 17.23}
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}
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},
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{"string", "Hello, world!"},
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{"array", {1, 2, 3, 4, 5}},
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{"null", nullptr}
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};
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}
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// pointer access to object_t
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TEST(JsonPointerTest, ObjectT)
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{
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using test_type = json::object_t;
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json value = {{"one", 1}, {"two", 2}};
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// check if pointers are returned correctly
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test_type* p1 = value.get_ptr<test_type*>();
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EXPECT_EQ(p1, value.get_ptr<test_type*>());
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EXPECT_EQ(*p1, value.get<test_type>());
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const test_type* p2 = value.get_ptr<const test_type*>();
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EXPECT_EQ(p1, value.get_ptr<const test_type*>());
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EXPECT_EQ(*p2, value.get<test_type>());
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const test_type* const p3 = value.get_ptr<const test_type* const>();
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EXPECT_EQ(p1, value.get_ptr<const test_type* const>());
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EXPECT_EQ(*p3, value.get<test_type>());
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// check if null pointers are returned correctly
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EXPECT_NE(value.get_ptr<json::object_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<json::array_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<json::string_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<json::boolean_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<json::number_integer_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<json::number_unsigned_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<json::number_float_t*>(), nullptr);
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}
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// pointer access to const object_t
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TEST(JsonPointerTest, ConstObjectT)
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{
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using test_type = const json::object_t;
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const json value = {{"one", 1}, {"two", 2}};
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// check if pointers are returned correctly
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test_type* p1 = value.get_ptr<test_type*>();
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EXPECT_EQ(p1, value.get_ptr<test_type*>());
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EXPECT_EQ(*p1, value.get<test_type>());
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const test_type* p2 = value.get_ptr<const test_type*>();
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EXPECT_EQ(p1, value.get_ptr<const test_type*>());
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EXPECT_EQ(*p2, value.get<test_type>());
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const test_type* const p3 = value.get_ptr<const test_type* const>();
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EXPECT_EQ(p1, value.get_ptr<const test_type* const>());
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EXPECT_EQ(*p3, value.get<test_type>());
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// check if null pointers are returned correctly
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EXPECT_NE(value.get_ptr<const json::object_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<const json::array_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<const json::string_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<const json::boolean_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<const json::number_integer_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<const json::number_unsigned_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<const json::number_float_t*>(), nullptr);
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}
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// pointer access to array_t
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TEST(JsonPointerTest, ArrayT)
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{
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using test_type = json::array_t;
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json value = {1, 2, 3, 4};
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// check if pointers are returned correctly
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test_type* p1 = value.get_ptr<test_type*>();
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EXPECT_EQ(p1, value.get_ptr<test_type*>());
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EXPECT_EQ(*p1, value.get<test_type>());
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const test_type* p2 = value.get_ptr<const test_type*>();
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EXPECT_EQ(p1, value.get_ptr<const test_type*>());
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EXPECT_EQ(*p2, value.get<test_type>());
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const test_type* const p3 = value.get_ptr<const test_type* const>();
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EXPECT_EQ(p1, value.get_ptr<const test_type* const>());
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EXPECT_EQ(*p3, value.get<test_type>());
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// check if null pointers are returned correctly
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EXPECT_EQ(value.get_ptr<json::object_t*>(), nullptr);
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EXPECT_NE(value.get_ptr<json::array_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<json::string_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<json::boolean_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<json::number_integer_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<json::number_unsigned_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<json::number_float_t*>(), nullptr);
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}
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// pointer access to const array_t
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TEST(JsonPointerTest, ConstArrayT)
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{
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using test_type = const json::array_t;
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const json value = {1, 2, 3, 4};
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// check if pointers are returned correctly
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test_type* p1 = value.get_ptr<test_type*>();
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EXPECT_EQ(p1, value.get_ptr<test_type*>());
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EXPECT_EQ(*p1, value.get<test_type>());
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const test_type* p2 = value.get_ptr<const test_type*>();
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EXPECT_EQ(p1, value.get_ptr<const test_type*>());
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EXPECT_EQ(*p2, value.get<test_type>());
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const test_type* const p3 = value.get_ptr<const test_type* const>();
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EXPECT_EQ(p1, value.get_ptr<const test_type* const>());
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EXPECT_EQ(*p3, value.get<test_type>());
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// check if null pointers are returned correctly
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EXPECT_EQ(value.get_ptr<const json::object_t*>(), nullptr);
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EXPECT_NE(value.get_ptr<const json::array_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<const json::string_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<const json::boolean_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<const json::number_integer_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<const json::number_unsigned_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<const json::number_float_t*>(), nullptr);
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}
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// pointer access to string_t
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TEST(JsonPointerTest, StringT)
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{
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using test_type = json::string_t;
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json value = "hello";
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// check if pointers are returned correctly
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test_type* p1 = value.get_ptr<test_type*>();
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EXPECT_EQ(p1, value.get_ptr<test_type*>());
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EXPECT_EQ(*p1, value.get<test_type>());
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const test_type* p2 = value.get_ptr<const test_type*>();
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EXPECT_EQ(p1, value.get_ptr<const test_type*>());
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EXPECT_EQ(*p2, value.get<test_type>());
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const test_type* const p3 = value.get_ptr<const test_type* const>();
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EXPECT_EQ(p1, value.get_ptr<const test_type* const>());
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EXPECT_EQ(*p3, value.get<test_type>());
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// check if null pointers are returned correctly
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EXPECT_EQ(value.get_ptr<json::object_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<json::array_t*>(), nullptr);
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EXPECT_NE(value.get_ptr<json::string_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<json::boolean_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<json::number_integer_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<json::number_unsigned_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<json::number_float_t*>(), nullptr);
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}
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// pointer access to const string_t
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TEST(JsonPointerTest, ConstStringT)
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{
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using test_type = const json::string_t;
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const json value = "hello";
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// check if pointers are returned correctly
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test_type* p1 = value.get_ptr<test_type*>();
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EXPECT_EQ(p1, value.get_ptr<test_type*>());
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EXPECT_EQ(*p1, value.get<test_type>());
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const test_type* p2 = value.get_ptr<const test_type*>();
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EXPECT_EQ(p1, value.get_ptr<const test_type*>());
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EXPECT_EQ(*p2, value.get<test_type>());
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const test_type* const p3 = value.get_ptr<const test_type* const>();
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EXPECT_EQ(p1, value.get_ptr<const test_type* const>());
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EXPECT_EQ(*p3, value.get<test_type>());
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// check if null pointers are returned correctly
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EXPECT_EQ(value.get_ptr<const json::object_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<const json::array_t*>(), nullptr);
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EXPECT_NE(value.get_ptr<const json::string_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<const json::boolean_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<const json::number_integer_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<const json::number_unsigned_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<const json::number_float_t*>(), nullptr);
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}
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// pointer access to boolean_t
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TEST(JsonPointerTest, BooleanT)
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{
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using test_type = json::boolean_t;
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json value = false;
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// check if pointers are returned correctly
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test_type* p1 = value.get_ptr<test_type*>();
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EXPECT_EQ(p1, value.get_ptr<test_type*>());
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EXPECT_EQ(*p1, value.get<test_type>());
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const test_type* p2 = value.get_ptr<const test_type*>();
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EXPECT_EQ(p1, value.get_ptr<const test_type*>());
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EXPECT_EQ(*p2, value.get<test_type>());
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const test_type* const p3 = value.get_ptr<const test_type* const>();
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EXPECT_EQ(p1, value.get_ptr<const test_type* const>());
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EXPECT_EQ(*p3, value.get<test_type>());
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// check if null pointers are returned correctly
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EXPECT_EQ(value.get_ptr<json::object_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<json::array_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<json::string_t*>(), nullptr);
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EXPECT_NE(value.get_ptr<json::boolean_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<json::number_integer_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<json::number_unsigned_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<json::number_float_t*>(), nullptr);
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}
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// pointer access to const boolean_t
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TEST(JsonPointerTest, ConstBooleanT)
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{
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using test_type = const json::boolean_t;
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const json value = false;
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// check if pointers are returned correctly
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test_type* p1 = value.get_ptr<test_type*>();
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EXPECT_EQ(p1, value.get_ptr<test_type*>());
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//EXPECT_EQ(*p1, value.get<test_type>());
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//const test_type* p2 = value.get_ptr<const test_type*>();
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EXPECT_EQ(p1, value.get_ptr<const test_type*>());
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//EXPECT_EQ(*p2, value.get<test_type>());
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//const test_type* const p3 = value.get_ptr<const test_type* const>();
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EXPECT_EQ(p1, value.get_ptr<const test_type* const>());
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//EXPECT_EQ(*p3, value.get<test_type>());
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// check if null pointers are returned correctly
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EXPECT_EQ(value.get_ptr<const json::object_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<const json::array_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<const json::string_t*>(), nullptr);
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EXPECT_NE(value.get_ptr<const json::boolean_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<const json::number_integer_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<const json::number_unsigned_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<const json::number_float_t*>(), nullptr);
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}
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// pointer access to number_integer_t
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TEST(JsonPointerTest, IntegerT)
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{
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using test_type = json::number_integer_t;
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json value = 23;
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// check if pointers are returned correctly
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test_type* p1 = value.get_ptr<test_type*>();
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EXPECT_EQ(p1, value.get_ptr<test_type*>());
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EXPECT_EQ(*p1, value.get<test_type>());
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const test_type* p2 = value.get_ptr<const test_type*>();
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EXPECT_EQ(p1, value.get_ptr<const test_type*>());
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EXPECT_EQ(*p2, value.get<test_type>());
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const test_type* const p3 = value.get_ptr<const test_type* const>();
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EXPECT_EQ(p1, value.get_ptr<const test_type* const>());
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EXPECT_EQ(*p3, value.get<test_type>());
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// check if null pointers are returned correctly
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EXPECT_EQ(value.get_ptr<json::object_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<json::array_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<json::string_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<json::boolean_t*>(), nullptr);
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EXPECT_NE(value.get_ptr<json::number_integer_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<json::number_unsigned_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<json::number_float_t*>(), nullptr);
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}
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|
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// pointer access to const number_integer_t
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TEST(JsonPointerTest, ConstIntegerT)
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{
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using test_type = const json::number_integer_t;
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const json value = 23;
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|
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// check if pointers are returned correctly
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test_type* p1 = value.get_ptr<test_type*>();
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EXPECT_EQ(p1, value.get_ptr<test_type*>());
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EXPECT_EQ(*p1, value.get<test_type>());
|
||||
|
||||
const test_type* p2 = value.get_ptr<const test_type*>();
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EXPECT_EQ(p1, value.get_ptr<const test_type*>());
|
||||
EXPECT_EQ(*p2, value.get<test_type>());
|
||||
|
||||
const test_type* const p3 = value.get_ptr<const test_type* const>();
|
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EXPECT_EQ(p1, value.get_ptr<const test_type* const>());
|
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EXPECT_EQ(*p3, value.get<test_type>());
|
||||
|
||||
// check if null pointers are returned correctly
|
||||
EXPECT_EQ(value.get_ptr<const json::object_t*>(), nullptr);
|
||||
EXPECT_EQ(value.get_ptr<const json::array_t*>(), nullptr);
|
||||
EXPECT_EQ(value.get_ptr<const json::string_t*>(), nullptr);
|
||||
EXPECT_EQ(value.get_ptr<const json::boolean_t*>(), nullptr);
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EXPECT_NE(value.get_ptr<const json::number_integer_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<const json::number_unsigned_t*>(), nullptr);
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EXPECT_EQ(value.get_ptr<const json::number_float_t*>(), nullptr);
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||||
}
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|
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// pointer access to number_unsigned_t
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TEST(JsonPointerTest, UnsignedT)
|
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{
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using test_type = json::number_unsigned_t;
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json value = 23u;
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||||
|
||||
// check if pointers are returned correctly
|
||||
test_type* p1 = value.get_ptr<test_type*>();
|
||||
EXPECT_EQ(p1, value.get_ptr<test_type*>());
|
||||
EXPECT_EQ(*p1, value.get<test_type>());
|
||||
|
||||
const test_type* p2 = value.get_ptr<const test_type*>();
|
||||
EXPECT_EQ(p1, value.get_ptr<const test_type*>());
|
||||
EXPECT_EQ(*p2, value.get<test_type>());
|
||||
|
||||
const test_type* const p3 = value.get_ptr<const test_type* const>();
|
||||
EXPECT_EQ(p1, value.get_ptr<const test_type* const>());
|
||||
EXPECT_EQ(*p3, value.get<test_type>());
|
||||
|
||||
// check if null pointers are returned correctly
|
||||
EXPECT_EQ(value.get_ptr<json::object_t*>(), nullptr);
|
||||
EXPECT_EQ(value.get_ptr<json::array_t*>(), nullptr);
|
||||
EXPECT_EQ(value.get_ptr<json::string_t*>(), nullptr);
|
||||
EXPECT_EQ(value.get_ptr<json::boolean_t*>(), nullptr);
|
||||
EXPECT_NE(value.get_ptr<json::number_integer_t*>(), nullptr);
|
||||
EXPECT_NE(value.get_ptr<json::number_unsigned_t*>(), nullptr);
|
||||
EXPECT_EQ(value.get_ptr<json::number_float_t*>(), nullptr);
|
||||
}
|
||||
|
||||
// pointer access to const number_unsigned_t
|
||||
TEST(JsonPointerTest, ConstUnsignedT)
|
||||
{
|
||||
using test_type = const json::number_unsigned_t;
|
||||
const json value = 23u;
|
||||
|
||||
// check if pointers are returned correctly
|
||||
test_type* p1 = value.get_ptr<test_type*>();
|
||||
EXPECT_EQ(p1, value.get_ptr<test_type*>());
|
||||
EXPECT_EQ(*p1, value.get<test_type>());
|
||||
|
||||
const test_type* p2 = value.get_ptr<const test_type*>();
|
||||
EXPECT_EQ(p1, value.get_ptr<const test_type*>());
|
||||
EXPECT_EQ(*p2, value.get<test_type>());
|
||||
|
||||
const test_type* const p3 = value.get_ptr<const test_type* const>();
|
||||
EXPECT_EQ(p1, value.get_ptr<const test_type* const>());
|
||||
EXPECT_EQ(*p3, value.get<test_type>());
|
||||
|
||||
// check if null pointers are returned correctly
|
||||
EXPECT_EQ(value.get_ptr<const json::object_t*>(), nullptr);
|
||||
EXPECT_EQ(value.get_ptr<const json::array_t*>(), nullptr);
|
||||
EXPECT_EQ(value.get_ptr<const json::string_t*>(), nullptr);
|
||||
EXPECT_EQ(value.get_ptr<const json::boolean_t*>(), nullptr);
|
||||
EXPECT_NE(value.get_ptr<const json::number_integer_t*>(), nullptr);
|
||||
EXPECT_NE(value.get_ptr<const json::number_unsigned_t*>(), nullptr);
|
||||
EXPECT_EQ(value.get_ptr<const json::number_float_t*>(), nullptr);
|
||||
}
|
||||
|
||||
// pointer access to number_float_t
|
||||
TEST(JsonPointerTest, FloatT)
|
||||
{
|
||||
using test_type = json::number_float_t;
|
||||
json value = 42.23;
|
||||
|
||||
// check if pointers are returned correctly
|
||||
test_type* p1 = value.get_ptr<test_type*>();
|
||||
EXPECT_EQ(p1, value.get_ptr<test_type*>());
|
||||
EXPECT_LT(std::fabs(*p1 - value.get<test_type>()), 0.001);
|
||||
|
||||
const test_type* p2 = value.get_ptr<const test_type*>();
|
||||
EXPECT_EQ(p1, value.get_ptr<const test_type*>());
|
||||
EXPECT_LT(std::fabs(*p2 - value.get<test_type>()), 0.001);
|
||||
|
||||
const test_type* const p3 = value.get_ptr<const test_type* const>();
|
||||
EXPECT_EQ(p1, value.get_ptr<const test_type* const>());
|
||||
EXPECT_LT(std::fabs(*p3 - value.get<test_type>()), 0.001);
|
||||
|
||||
// check if null pointers are returned correctly
|
||||
EXPECT_EQ(value.get_ptr<json::object_t*>(), nullptr);
|
||||
EXPECT_EQ(value.get_ptr<json::array_t*>(), nullptr);
|
||||
EXPECT_EQ(value.get_ptr<json::string_t*>(), nullptr);
|
||||
EXPECT_EQ(value.get_ptr<json::boolean_t*>(), nullptr);
|
||||
EXPECT_EQ(value.get_ptr<json::number_integer_t*>(), nullptr);
|
||||
EXPECT_EQ(value.get_ptr<json::number_unsigned_t*>(), nullptr);
|
||||
EXPECT_NE(value.get_ptr<json::number_float_t*>(), nullptr);
|
||||
}
|
||||
|
||||
// pointer access to const number_float_t
|
||||
TEST(JsonPointerTest, ConstFloatT)
|
||||
{
|
||||
using test_type = const json::number_float_t;
|
||||
const json value = 42.23;
|
||||
|
||||
// check if pointers are returned correctly
|
||||
test_type* p1 = value.get_ptr<test_type*>();
|
||||
EXPECT_EQ(p1, value.get_ptr<test_type*>());
|
||||
EXPECT_LT(std::fabs(*p1 - value.get<test_type>()), 0.001);
|
||||
|
||||
const test_type* p2 = value.get_ptr<const test_type*>();
|
||||
EXPECT_EQ(p1, value.get_ptr<const test_type*>());
|
||||
EXPECT_LT(std::fabs(*p2 - value.get<test_type>()), 0.001);
|
||||
|
||||
const test_type* const p3 = value.get_ptr<const test_type* const>();
|
||||
EXPECT_EQ(p1, value.get_ptr<const test_type* const>());
|
||||
EXPECT_LT(std::fabs(*p3 - value.get<test_type>()), 0.001);
|
||||
|
||||
// check if null pointers are returned correctly
|
||||
EXPECT_EQ(value.get_ptr<const json::object_t*>(), nullptr);
|
||||
EXPECT_EQ(value.get_ptr<const json::array_t*>(), nullptr);
|
||||
EXPECT_EQ(value.get_ptr<const json::string_t*>(), nullptr);
|
||||
EXPECT_EQ(value.get_ptr<const json::boolean_t*>(), nullptr);
|
||||
EXPECT_EQ(value.get_ptr<const json::number_integer_t*>(), nullptr);
|
||||
EXPECT_EQ(value.get_ptr<const json::number_unsigned_t*>(), nullptr);
|
||||
EXPECT_NE(value.get_ptr<const json::number_float_t*>(), nullptr);
|
||||
}
|
||||
Reference in New Issue
Block a user