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#include <string>
#include <gtest/gtest.h>
#include <valijson/adapters/picojson_adapter.hpp>
class TestPicoJsonAdapter : public testing::Test
{
};
TEST_F(TestPicoJsonAdapter, BasicArrayIteration)
{
const unsigned int numElements = 10;
// Create a picojson document that consists of an array of numbers
picojson::array array;
for (unsigned int i = 0; i < numElements; i++) {
picojson::value value(static_cast<double>(i));
array.push_back(value);
}
picojson::value document(array);
// Ensure that wrapping the document preserves the array and does not allow
// it to be cast to other types
valijson::adapters::PicoJsonAdapter adapter(document);
#if VALIJSON_USE_EXCEPTIONS
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() );
#endif
// 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;
for (const valijson::adapters::PicoJsonAdapter 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(TestPicoJsonAdapter, BasicObjectIteration)
{
const unsigned int numElements = 10;
// Create a picojson document that consists of an object that maps numeric
// strings their corresponding numeric values
picojson::object object;
for (unsigned int i = 0; i < numElements; i++) {
std::string name(std::to_string(i));
object[name] = picojson::value(static_cast<double>(i));
}
picojson::value document(object);
// Ensure that wrapping the document preserves the object and does not
// allow it to be cast to other types
valijson::adapters::PicoJsonAdapter adapter(document);
#if VALIJSON_USE_EXCEPTIONS
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() );
#endif
// 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;
for (const valijson::adapters::PicoJsonAdapter::ObjectMember member : adapter.getObject()) {
ASSERT_TRUE( member.second.isNumber() );
EXPECT_EQ( std::to_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 );
}
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