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Implement test for nlohmann/json adapter

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This commit is contained in:
Tengiz Sharafiev 2016-02-02 13:08:59 +03:00
parent 992fa11736
commit d8e217cb60
2 changed files with 90 additions and 0 deletions
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1
CMakeLists.txt
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@ -83,6 +83,7 @@ if(VALIJSON_CXX11_ADAPTERS_ARE_ENABLED)
set(TEST_SOURCES
${TEST_SOURCES}
tests/test_json11_adapter.cpp
tests/test_nlohmann_json_adapter.cpp
)
endif()

89
tests/test_nlohmann_json_adapter.cpp Normal file
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@ -0,0 +1,89 @@
#ifdef VALIJSON_BUILD_CXX11_ADAPTERS
#include <boost/foreach.hpp>
#include <boost/lexical_cast.hpp>
#include <gtest/gtest.h>
#include <valijson/adapters/nlohmann_json_adapter.hpp>
class TestNlohmannJsonAdapter : public testing::Test
{
};
TEST_F(TestNlohmannJsonAdapter, BasicArrayIteration)
{
const unsigned int numElements = 10;
// Create a Json11 document that consists of an array of numbers
json11::Json::array array;
for (unsigned int i = 0; i < numElements; i++) {
json11::Json value(static_cast<double>(i));
array.push_back(value);
}
json11::Json document(array);
// Ensure that wrapping the document preserves the array and does not allow
// it to be cast to other types
valijson::adapters::Json11Adapter adapter(document);
ASSERT_NO_THROW( adapter.getArray() );
ASSERT_ANY_THROW( adapter.getBool() );
ASSERT_ANY_THROW( adapter.getDouble() );
ASSERT_ANY_THROW( adapter.getObject() );
ASSERT_ANY_THROW( adapter.getString() );
// Ensure that the array contains the expected number of elements
EXPECT_EQ( numElements, adapter.getArray().size() );
// Ensure that the elements are returned in the order they were inserted
unsigned int expectedValue = 0;
BOOST_FOREACH( const valijson::adapters::Json11Adapter value, adapter.getArray() ) {
ASSERT_TRUE( value.isNumber() );
EXPECT_EQ( double(expectedValue), value.getDouble() );
expectedValue++;
}
// Ensure that the correct number of elements were iterated over
EXPECT_EQ(numElements, expectedValue);
}
TEST_F(TestNlohmannJsonAdapter, BasicObjectIteration)
{
const unsigned int numElements = 10;
// Create a DropBoxJson11 document that consists of an object that maps numeric
// strings their corresponding numeric values
json11::Json::object object;
for (unsigned int i = 0; i < numElements; i++) {
std::string name(boost::lexical_cast<std::string>(i));
object[name] = json11::Json(static_cast<double>(i));
}
json11::Json document(object);
// Ensure that wrapping the document preserves the object and does not
// allow it to be cast to other types
valijson::adapters::Json11Adapter adapter(document);
ASSERT_NO_THROW( adapter.getObject() );
ASSERT_ANY_THROW( adapter.getArray() );
ASSERT_ANY_THROW( adapter.getBool() );
ASSERT_ANY_THROW( adapter.getDouble() );
ASSERT_ANY_THROW( adapter.getString() );
// Ensure that the object contains the expected number of members
EXPECT_EQ( numElements, adapter.getObject().size() );
// Ensure that the members are returned in the order they were inserted
unsigned int expectedValue = 0;
BOOST_FOREACH( const valijson::adapters::Json11Adapter::ObjectMember member, adapter.getObject() ) {
ASSERT_TRUE( member.second.isNumber() );
EXPECT_EQ( boost::lexical_cast<std::string>(expectedValue), member.first );
EXPECT_EQ( double(expectedValue), member.second.getDouble() );
expectedValue++;
}
// Ensure that the correct number of elements were iterated over
EXPECT_EQ( numElements, expectedValue );
}
#endif // VALIJSON_BUILD_CXX11_ADAPTERS