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88 lines
3.0 KiB
C++
88 lines
3.0 KiB
C++
#ifdef VALIJSON_BUILD_CXX11_ADAPTERS
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#include <boost/foreach.hpp>
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#include <boost/lexical_cast.hpp>
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#include <gtest/gtest.h>
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#include <valijson/adapters/nlohmann_json_adapter.hpp>
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class TestNlohmannJsonAdapter : public testing::Test
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{
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};
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TEST_F(TestNlohmannJsonAdapter, BasicArrayIteration)
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{
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const unsigned int numElements = 10;
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// Create a Json document that consists of an array of numbers
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nlohmann::json document;
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for (unsigned int i = 0; i < numElements; i++) {
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document.push_back(static_cast<double>(i));
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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::NlohmannJsonAdapter 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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BOOST_FOREACH( const valijson::adapters::NlohmannJsonAdapter 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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TEST_F(TestNlohmannJsonAdapter, BasicObjectIteration)
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{
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const unsigned int numElements = 10;
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// Create a DropBoxJson document that consists of an object that maps numeric
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// strings their corresponding numeric values
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nlohmann::json document;
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for (uint32_t i = 0; i < numElements; i++) {
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document[boost::lexical_cast<std::string>(i)] = static_cast<double>(i);
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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::NlohmannJsonAdapter 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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BOOST_FOREACH( const valijson::adapters::NlohmannJsonAdapter::ObjectMember member, adapter.getObject() ) {
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ASSERT_TRUE( member.second.isNumber() );
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EXPECT_EQ( boost::lexical_cast<std::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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#endif // VALIJSON_BUILD_CXX11_ADAPTERS
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