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#include <gtest/gtest.h>
#include <valijson/adapters/property_tree_adapter.hpp>
class TestPropertyTreeAdapter : public testing::Test
{
};
TEST_F(TestPropertyTreeAdapter, BasicArrayIteration)
{
const unsigned int numElements = 10;
// Create a boost property tree that is equivalent to a JSON array containing a
// list of numbers.
boost::property_tree::ptree document;
for (unsigned int i = 0; i < numElements; i++) {
document.push_back(std::make_pair(std::string(),
boost::property_tree::ptree(std::to_string(i))));
}
// Ensure that wrapping the document preserves the array and does not allow
// it to be cast to other types
valijson::adapters::PropertyTreeAdapter 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::PropertyTreeAdapter value : adapter.getArray()) {
ASSERT_TRUE( value.isString() );
ASSERT_FALSE( value.isNumber() );
ASSERT_TRUE( value.maybeDouble() );
EXPECT_EQ( double(expectedValue), value.asDouble() );
expectedValue++;
}
// Ensure that the correct number of elements were iterated over
EXPECT_EQ(numElements, expectedValue);
}
TEST_F(TestPropertyTreeAdapter, BasicObjectIteration)
{
const unsigned int numElements = 10;
// Create a boost property tree that consists of an object that maps numeric
// strings their corresponding numeric values
boost::property_tree::ptree document;
for (unsigned int i = 0; i < numElements; i++) {
std::string name(std::to_string(i));
document.push_back(std::make_pair(name, boost::property_tree::ptree(
std::to_string(double(i)))));
}
// Ensure that wrapping the document preserves the object and does not
// allow it to be cast to other types
valijson::adapters::PropertyTreeAdapter 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::PropertyTreeAdapter::ObjectMember member : adapter.getObject()) {
ASSERT_TRUE( member.second.isString() );
ASSERT_FALSE( member.second.isNumber() );
ASSERT_TRUE( member.second.maybeDouble() );
EXPECT_EQ( std::to_string(expectedValue), member.first );
EXPECT_EQ( double(expectedValue), member.second.asDouble() );
expectedValue++;
}
// Ensure that the correct number of elements were iterated over
EXPECT_EQ( numElements, expectedValue );
}
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