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110 lines
3.8 KiB
C++
110 lines
3.8 KiB
C++
#include <string>
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#include <gtest/gtest.h>
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#include <valijson/adapters/rapidjson_adapter.hpp>
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class TestRapidJsonAdapter : public testing::Test
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{
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};
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template<class ValueType>
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void testBasicArrayIteration()
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{
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const unsigned int numElements = 10;
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// Create a rapidjson document that consists of an array of numbers
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rapidjson::Document document;
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document.SetArray();
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for (unsigned int i = 0; i < numElements; i++) {
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rapidjson::Value value;
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value.SetDouble(i);
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document.PushBack(value, document.GetAllocator());
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}
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// Ensure that wrapping the document preserves the array and does not allow
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// it to be cast to other types
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valijson::adapters::RapidJsonAdapter adapter(document);
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ASSERT_NO_THROW( adapter.getArray() );
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ASSERT_ANY_THROW( adapter.getBool() );
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ASSERT_ANY_THROW( adapter.getDouble() );
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ASSERT_ANY_THROW( adapter.getObject() );
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ASSERT_ANY_THROW( adapter.getString() );
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// Ensure that the array contains the expected number of elements
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EXPECT_EQ( numElements, adapter.getArray().size() );
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// Ensure that the elements are returned in the order they were inserted
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unsigned int expectedValue = 0;
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for (const valijson::adapters::RapidJsonAdapter value : adapter.getArray()) {
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ASSERT_TRUE( value.isNumber() );
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EXPECT_EQ( double(expectedValue), value.getDouble() );
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expectedValue++;
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}
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// Ensure that the correct number of elements were iterated over
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EXPECT_EQ(numElements, expectedValue);
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}
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template<typename ValueType>
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void testBasicObjectIteration()
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{
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const unsigned int numElements = 10;
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// Create a rapidjson document that consists of an object that maps numeric
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// strings their corresponding numeric values
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rapidjson::Document document;
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document.SetObject();
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for (unsigned int i = 0; i < numElements; i++) {
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rapidjson::Value name, value;
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name.SetString(std::to_string(i).c_str(), document.GetAllocator());
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value.SetDouble(i);
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document.AddMember(name, value, document.GetAllocator());
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}
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// Ensure that wrapping the document preserves the object and does not
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// allow it to be cast to other types
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valijson::adapters::RapidJsonAdapter adapter(document);
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ASSERT_NO_THROW( adapter.getObject() );
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ASSERT_ANY_THROW( adapter.getArray() );
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ASSERT_ANY_THROW( adapter.getBool() );
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ASSERT_ANY_THROW( adapter.getDouble() );
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ASSERT_ANY_THROW( adapter.getString() );
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// Ensure that the object contains the expected number of members
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EXPECT_EQ( numElements, adapter.getObject().size() );
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// Ensure that the members are returned in the order they were inserted
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unsigned int expectedValue = 0;
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for (const valijson::adapters::RapidJsonAdapter::ObjectMember member : adapter.getObject()) {
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ASSERT_TRUE( member.second.isNumber() );
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EXPECT_EQ( std::to_string(expectedValue), member.first );
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EXPECT_EQ( double(expectedValue), member.second.getDouble() );
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expectedValue++;
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}
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// Ensure that the correct number of elements were iterated over
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EXPECT_EQ( numElements, expectedValue );
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}
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TEST_F(TestRapidJsonAdapter, BasicArrayIteration)
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{
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// Test using default RapidJson value type, which uses MemoryPoolAllocator
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testBasicArrayIteration<rapidjson::Value>();
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// Test using value type based on CrtAllocator
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testBasicArrayIteration<rapidjson::GenericValue<rapidjson::UTF8<>,
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rapidjson::CrtAllocator> >();
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}
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TEST_F(TestRapidJsonAdapter, BasicObjectIteration)
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{
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// Test using default RapidJson value type, which uses MemoryPoolAllocator
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testBasicObjectIteration<rapidjson::Value>();
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// Test using value type based on CrtAllocator
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testBasicObjectIteration<rapidjson::GenericValue<rapidjson::UTF8<>,
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rapidjson::CrtAllocator> >();
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}
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