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Adding has_<type>_field utility to json value
Adding unit tests for has_<type>_field utilities
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3 files changed

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‎Release/include/cpprest/json.h‎

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@@ -544,6 +544,55 @@ namespace json
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/// <returns>True if the field exists, false otherwise.</returns>
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bool has_field(const utility::string_t &key) const;
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/// <summary>
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/// Tests for the presence of a number field
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/// </summary>
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/// <param name="key">The name of the field</param>
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/// <returns>True if the field exists, false otherwise.</returns>
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_ASYNCRTIMP bool has_number_field(const utility::string_t &key) const;
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/// <summary>
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/// Tests for the presence of an integer field
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/// </summary>
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/// <param name="key">The name of the field</param>
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/// <returns>True if the field exists, false otherwise.</returns>
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_ASYNCRTIMP bool has_integer_field(const utility::string_t &key) const;
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/// <summary>
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/// Tests for the presence of a double field
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/// </summary>
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/// <param name="key">The name of the field</param>
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/// <returns>True if the field exists, false otherwise.</returns>
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_ASYNCRTIMP bool has_double_field(const utility::string_t &key) const;
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/// <summary>
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/// Tests for the presence of a boolean field
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/// </summary>
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/// <param name="key">The name of the field</param>
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/// <returns>True if the field exists, false otherwise.</returns>
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_ASYNCRTIMP bool has_boolean_field(const utility::string_t &key) const;
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/// <summary>
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/// Tests for the presence of a string field
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/// </summary>
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/// <param name="key">The name of the field</param>
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/// <returns>True if the field exists, false otherwise.</returns>
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_ASYNCRTIMP bool has_string_field(const utility::string_t &key) const;
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/// <summary>
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/// Tests for the presence of an array field
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/// </summary>
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/// <param name="key">The name of the field</param>
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/// <returns>True if the field exists, false otherwise.</returns>
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_ASYNCRTIMP bool has_array_field(const utility::string_t &key) const;
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/// <summary>
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/// Tests for the presence of an object field
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/// </summary>
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/// <param name="key">The name of the field</param>
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/// <returns>True if the field exists, false otherwise.</returns>
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_ASYNCRTIMP bool has_object_field(const utility::string_t &key) const;
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/// <summary>
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/// Accesses a field of a JSON object.
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/// </summary>

‎Release/src/json/json.cpp‎

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@@ -382,6 +382,41 @@ bool web::json::details::_Object::has_field(const utility::string_t &key) const
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return m_object.find(key) != m_object.end();
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}
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bool web::json::value::has_number_field(const utility::string_t &key) const
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{
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return has_field(key) && at(key).is_number();
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}
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bool web::json::value::has_integer_field(const utility::string_t &key) const
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{
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return has_field(key) && at(key).is_integer();
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}
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bool web::json::value::has_double_field(const utility::string_t &key) const
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{
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return has_field(key) && at(key).is_double();
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}
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bool web::json::value::has_boolean_field(const utility::string_t &key) const
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{
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return has_field(key) && at(key).is_boolean();
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}
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bool web::json::value::has_string_field(const utility::string_t &key) const
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{
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return has_field(key) && at(key).is_string();
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}
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bool web::json::value::has_array_field(const utility::string_t &key) const
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{
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return has_field(key) && at(key).is_array();
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}
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bool web::json::value::has_object_field(const utility::string_t &key) const
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{
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return has_field(key) && at(key).is_object();
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}
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utility::string_t json::value::to_string() const
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{
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#ifndef _WIN32

‎Release/tests/functional/json/to_as_and_operators_tests.cpp‎

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Original file line numberDiff line numberDiff line change
@@ -312,11 +312,66 @@ TEST(negative_get_element_array)
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TEST(has_field_object)
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{
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json::value v1;
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v1[U("a")] = json::value::number(1);
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v1[U("b")] = json::value::boolean(true);
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v1[U("c")] = json::value::string(U("a string"));
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v1[U("d")] = json::value::array({});
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json::value sub_field;
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sub_field[U("x")] = json::value::number(1);
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v1[U("e")] = sub_field;
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VERIFY_IS_TRUE(v1.has_field(U("a")));
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VERIFY_IS_FALSE(v1.has_field(U("b")));
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VERIFY_IS_TRUE(v1.has_field(U("b")));
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VERIFY_IS_TRUE(v1.has_field(U("c")));
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VERIFY_IS_TRUE(v1.has_field(U("d")));
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VERIFY_IS_TRUE(v1.has_field(U("e")));
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VERIFY_IS_FALSE(v1.has_field(U("f")));
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VERIFY_IS_TRUE(v1.has_number_field(U("a")));
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VERIFY_IS_TRUE(v1.has_integer_field(U("a")));
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VERIFY_IS_FALSE(v1.has_double_field(U("a")));
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VERIFY_IS_FALSE(v1.has_boolean_field(U("a")));
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VERIFY_IS_FALSE(v1.has_string_field(U("a")));
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VERIFY_IS_FALSE(v1.has_array_field(U("a")));
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VERIFY_IS_FALSE(v1.has_object_field(U("a")));
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VERIFY_IS_TRUE(v1.has_boolean_field(U("b")));
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VERIFY_IS_FALSE(v1.has_number_field(U("b")));
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VERIFY_IS_FALSE(v1.has_integer_field(U("b")));
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VERIFY_IS_FALSE(v1.has_double_field(U("b")));
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VERIFY_IS_FALSE(v1.has_string_field(U("b")));
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VERIFY_IS_FALSE(v1.has_array_field(U("b")));
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VERIFY_IS_FALSE(v1.has_object_field(U("b")));
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VERIFY_IS_TRUE(v1.has_string_field(U("c")));
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VERIFY_IS_FALSE(v1.has_boolean_field(U("c")));
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VERIFY_IS_FALSE(v1.has_number_field(U("c")));
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VERIFY_IS_FALSE(v1.has_integer_field(U("c")));
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VERIFY_IS_FALSE(v1.has_double_field(U("c")));
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VERIFY_IS_FALSE(v1.has_array_field(U("c")));
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VERIFY_IS_FALSE(v1.has_object_field(U("c")));
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VERIFY_IS_TRUE(v1.has_array_field(U("d")));
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VERIFY_IS_FALSE(v1.has_string_field(U("d")));
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VERIFY_IS_FALSE(v1.has_boolean_field(U("d")));
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VERIFY_IS_FALSE(v1.has_number_field(U("d")));
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VERIFY_IS_FALSE(v1.has_integer_field(U("d")));
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VERIFY_IS_FALSE(v1.has_double_field(U("d")));
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VERIFY_IS_FALSE(v1.has_object_field(U("d")));
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VERIFY_IS_TRUE(v1.has_object_field(U("e")));
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VERIFY_IS_FALSE(v1.has_array_field(U("e")));
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VERIFY_IS_FALSE(v1.has_string_field(U("e")));
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VERIFY_IS_FALSE(v1.has_boolean_field(U("e")));
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VERIFY_IS_FALSE(v1.has_number_field(U("e")));
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VERIFY_IS_FALSE(v1.has_integer_field(U("e")));
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VERIFY_IS_FALSE(v1.has_double_field(U("e")));
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json::value v2;
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