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506 lines
13 KiB
506 lines
13 KiB
#include <functional>
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#include <iostream>
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#include <map>
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#include <string>
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#include <vector>
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#include <cm/optional>
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#include <cmext/string_view>
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#include <cm3p/json/value.h>
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#include "cmJSONHelpers.h"
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#define ASSERT_TRUE(x) \
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do { \
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if (!(x)) { \
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std::cout << "ASSERT_TRUE(" #x ") failed on line " << __LINE__ << "\n"; \
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return false; \
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} \
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} while (false)
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namespace {
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struct ObjectStruct
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{
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std::string Field1;
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int Field2;
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};
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struct InheritedStruct : public ObjectStruct
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{
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std::string Field3;
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};
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enum class ErrorCode
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{
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Success,
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InvalidInt,
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InvalidBool,
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InvalidString,
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InvalidSubObject,
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InvalidObject,
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InvalidArray,
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MissingRequired,
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};
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using JSONHelperBuilder = cmJSONHelperBuilder<ErrorCode>;
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auto const IntHelper =
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JSONHelperBuilder::Int(ErrorCode::Success, ErrorCode::InvalidInt, 1);
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auto const RequiredIntHelper =
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JSONHelperBuilder::Required<int>(ErrorCode::MissingRequired, IntHelper);
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auto const UIntHelper =
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JSONHelperBuilder::UInt(ErrorCode::Success, ErrorCode::InvalidInt, 1);
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auto const BoolHelper =
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JSONHelperBuilder::Bool(ErrorCode::Success, ErrorCode::InvalidBool, false);
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auto const StringHelper = JSONHelperBuilder::String(
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ErrorCode::Success, ErrorCode::InvalidString, "default");
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auto const RequiredStringHelper = JSONHelperBuilder::Required<std::string>(
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ErrorCode::MissingRequired, StringHelper);
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auto const StringVectorHelper = JSONHelperBuilder::Vector<std::string>(
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ErrorCode::Success, ErrorCode::InvalidArray, StringHelper);
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auto const StringVectorFilterHelper =
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JSONHelperBuilder::VectorFilter<std::string>(
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ErrorCode::Success, ErrorCode::InvalidArray, StringHelper,
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[](const std::string& value) { return value != "ignore"; });
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auto const StringMapHelper = JSONHelperBuilder::Map<std::string>(
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ErrorCode::Success, ErrorCode::InvalidObject, StringHelper);
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auto const StringMapFilterHelper = JSONHelperBuilder::MapFilter<std::string>(
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ErrorCode::Success, ErrorCode::InvalidObject, StringHelper,
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[](const std::string& key) { return key != "ignore"; });
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auto const OptionalStringHelper =
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JSONHelperBuilder::Optional<std::string>(ErrorCode::Success, StringHelper);
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bool testInt()
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{
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Json::Value v(2);
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int i = 0;
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ASSERT_TRUE(IntHelper(i, &v) == ErrorCode::Success);
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ASSERT_TRUE(i == 2);
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i = 0;
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v = Json::nullValue;
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ASSERT_TRUE(IntHelper(i, &v) == ErrorCode::InvalidInt);
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i = 0;
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ASSERT_TRUE(IntHelper(i, nullptr) == ErrorCode::Success);
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ASSERT_TRUE(i == 1);
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return true;
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}
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bool testUInt()
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{
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Json::Value v(2);
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unsigned int i = 0;
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ASSERT_TRUE(UIntHelper(i, &v) == ErrorCode::Success);
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ASSERT_TRUE(i == 2);
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i = 0;
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v = Json::nullValue;
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ASSERT_TRUE(UIntHelper(i, &v) == ErrorCode::InvalidInt);
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i = 0;
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ASSERT_TRUE(UIntHelper(i, nullptr) == ErrorCode::Success);
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ASSERT_TRUE(i == 1);
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return true;
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}
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bool testBool()
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{
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Json::Value v(true);
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bool b = false;
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ASSERT_TRUE(BoolHelper(b, &v) == ErrorCode::Success);
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ASSERT_TRUE(b);
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b = false;
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v = false;
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ASSERT_TRUE(BoolHelper(b, &v) == ErrorCode::Success);
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ASSERT_TRUE(!b);
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b = false;
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v = 4;
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ASSERT_TRUE(BoolHelper(b, &v) == ErrorCode::InvalidBool);
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b = true;
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ASSERT_TRUE(BoolHelper(b, nullptr) == ErrorCode::Success);
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ASSERT_TRUE(!b);
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return true;
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}
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bool testString()
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{
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Json::Value v("str");
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std::string str = "";
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ASSERT_TRUE(StringHelper(str, &v) == ErrorCode::Success);
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ASSERT_TRUE(str == "str");
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str = "";
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v = Json::nullValue;
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ASSERT_TRUE(StringHelper(str, &v) == ErrorCode::InvalidString);
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str = "";
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ASSERT_TRUE(StringHelper(str, nullptr) == ErrorCode::Success);
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ASSERT_TRUE(str == "default");
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return true;
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}
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bool testObject()
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{
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auto const subhelper =
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JSONHelperBuilder::Object<ObjectStruct>(ErrorCode::Success,
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ErrorCode::InvalidSubObject)
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.Bind("subfield"_s, &ObjectStruct::Field2, IntHelper);
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auto const helper = JSONHelperBuilder::Object<ObjectStruct>(
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ErrorCode::Success, ErrorCode::InvalidObject)
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.Bind("field1"_s, &ObjectStruct::Field1, StringHelper)
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.Bind("field2"_s, subhelper)
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.Bind<std::string>("field3"_s, nullptr, StringHelper);
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Json::Value v(Json::objectValue);
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v["field1"] = "Hello";
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v["field2"] = Json::objectValue;
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v["field2"]["subfield"] = 2;
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v["field3"] = "world!";
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v["extra"] = "extra";
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ObjectStruct s1;
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ASSERT_TRUE(helper(s1, &v) == ErrorCode::Success);
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ASSERT_TRUE(s1.Field1 == "Hello");
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ASSERT_TRUE(s1.Field2 == 2);
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v["field2"]["subfield"] = "wrong";
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ObjectStruct s2;
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ASSERT_TRUE(helper(s2, &v) == ErrorCode::InvalidInt);
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v["field2"].removeMember("subfield");
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ObjectStruct s3;
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ASSERT_TRUE(helper(s3, &v) == ErrorCode::InvalidSubObject);
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v.removeMember("field2");
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ObjectStruct s4;
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ASSERT_TRUE(helper(s4, &v) == ErrorCode::InvalidObject);
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v["field2"] = Json::objectValue;
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v["field2"]["subfield"] = 2;
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v["field3"] = 3;
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ObjectStruct s5;
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ASSERT_TRUE(helper(s5, &v) == ErrorCode::InvalidString);
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v.removeMember("field3");
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ObjectStruct s6;
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ASSERT_TRUE(helper(s6, &v) == ErrorCode::InvalidObject);
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v = "Hello";
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ObjectStruct s7;
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ASSERT_TRUE(helper(s7, &v) == ErrorCode::InvalidObject);
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ObjectStruct s8;
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ASSERT_TRUE(helper(s8, nullptr) == ErrorCode::InvalidObject);
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return true;
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}
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bool testObjectInherited()
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{
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auto const helper =
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JSONHelperBuilder::Object<InheritedStruct>(ErrorCode::Success,
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ErrorCode::InvalidObject)
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.Bind("field1"_s, &InheritedStruct::Field1, StringHelper)
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.Bind("field2"_s, &InheritedStruct::Field2, IntHelper)
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.Bind("field3"_s, &InheritedStruct::Field3, StringHelper);
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Json::Value v(Json::objectValue);
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v["field1"] = "Hello";
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v["field2"] = 2;
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v["field3"] = "world!";
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v["extra"] = "extra";
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InheritedStruct s1;
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ASSERT_TRUE(helper(s1, &v) == ErrorCode::Success);
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ASSERT_TRUE(s1.Field1 == "Hello");
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ASSERT_TRUE(s1.Field2 == 2);
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ASSERT_TRUE(s1.Field3 == "world!");
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v["field2"] = "wrong";
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InheritedStruct s2;
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ASSERT_TRUE(helper(s2, &v) == ErrorCode::InvalidInt);
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v.removeMember("field2");
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InheritedStruct s3;
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ASSERT_TRUE(helper(s3, &v) == ErrorCode::InvalidObject);
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v["field2"] = 2;
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v["field3"] = 3;
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InheritedStruct s4;
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ASSERT_TRUE(helper(s4, &v) == ErrorCode::InvalidString);
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v.removeMember("field3");
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InheritedStruct s5;
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ASSERT_TRUE(helper(s5, &v) == ErrorCode::InvalidObject);
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v = "Hello";
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InheritedStruct s6;
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ASSERT_TRUE(helper(s6, &v) == ErrorCode::InvalidObject);
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InheritedStruct s7;
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ASSERT_TRUE(helper(s7, nullptr) == ErrorCode::InvalidObject);
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return true;
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}
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bool testObjectNoExtra()
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{
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auto const helper = JSONHelperBuilder::Object<ObjectStruct>(
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ErrorCode::Success, ErrorCode::InvalidObject, false)
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.Bind("field1"_s, &ObjectStruct::Field1, StringHelper)
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.Bind("field2"_s, &ObjectStruct::Field2, IntHelper);
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Json::Value v(Json::objectValue);
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v["field1"] = "Hello";
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v["field2"] = 2;
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ObjectStruct s1;
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ASSERT_TRUE(helper(s1, &v) == ErrorCode::Success);
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ASSERT_TRUE(s1.Field1 == "Hello");
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ASSERT_TRUE(s1.Field2 == 2);
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v["extra"] = "world!";
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ObjectStruct s2;
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ASSERT_TRUE(helper(s2, &v) == ErrorCode::InvalidObject);
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return true;
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}
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bool testObjectOptional()
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{
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auto const helper =
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JSONHelperBuilder::Object<ObjectStruct>(ErrorCode::Success,
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ErrorCode::InvalidObject)
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.Bind("field1"_s, &ObjectStruct::Field1, StringHelper, false)
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.Bind("field2"_s, &ObjectStruct::Field2, IntHelper, false)
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.Bind<std::string>("field3_s", nullptr, StringHelper, false);
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Json::Value v(Json::objectValue);
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v["field1"] = "Hello";
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v["field2"] = 2;
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v["field3"] = "world!";
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v["extra"] = "extra";
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ObjectStruct s1;
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ASSERT_TRUE(helper(s1, &v) == ErrorCode::Success);
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ASSERT_TRUE(s1.Field1 == "Hello");
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ASSERT_TRUE(s1.Field2 == 2);
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v = Json::objectValue;
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ObjectStruct s2;
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ASSERT_TRUE(helper(s2, &v) == ErrorCode::Success);
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ASSERT_TRUE(s2.Field1 == "default");
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ASSERT_TRUE(s2.Field2 == 1);
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ObjectStruct s3;
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ASSERT_TRUE(helper(s3, nullptr) == ErrorCode::Success);
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ASSERT_TRUE(s3.Field1 == "default");
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ASSERT_TRUE(s3.Field2 == 1);
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return true;
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}
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bool testVector()
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{
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Json::Value v(Json::arrayValue);
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v.append("Hello");
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v.append("world!");
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v.append("ignore");
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std::vector<std::string> l{ "default" };
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std::vector<std::string> expected{ "Hello", "world!", "ignore" };
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ASSERT_TRUE(StringVectorHelper(l, &v) == ErrorCode::Success);
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ASSERT_TRUE(l == expected);
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v[1] = 2;
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l = { "default" };
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ASSERT_TRUE(StringVectorHelper(l, &v) == ErrorCode::InvalidString);
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v = "Hello";
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l = { "default" };
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ASSERT_TRUE(StringVectorHelper(l, &v) == ErrorCode::InvalidArray);
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l = { "default" };
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ASSERT_TRUE(StringVectorHelper(l, nullptr) == ErrorCode::Success);
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ASSERT_TRUE(l.empty());
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return true;
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}
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bool testVectorFilter()
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{
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Json::Value v(Json::arrayValue);
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v.append("Hello");
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v.append("world!");
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v.append("ignore");
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std::vector<std::string> l{ "default" };
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std::vector<std::string> expected{
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"Hello",
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"world!",
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};
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ASSERT_TRUE(StringVectorFilterHelper(l, &v) == ErrorCode::Success);
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ASSERT_TRUE(l == expected);
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v[1] = 2;
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l = { "default" };
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ASSERT_TRUE(StringVectorFilterHelper(l, &v) == ErrorCode::InvalidString);
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v = "Hello";
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l = { "default" };
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ASSERT_TRUE(StringVectorFilterHelper(l, &v) == ErrorCode::InvalidArray);
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l = { "default" };
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ASSERT_TRUE(StringVectorFilterHelper(l, nullptr) == ErrorCode::Success);
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ASSERT_TRUE(l.empty());
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return true;
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}
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bool testMap()
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{
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Json::Value v(Json::objectValue);
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v["field1"] = "Hello";
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v["field2"] = "world!";
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v["ignore"] = "ignore";
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std::map<std::string, std::string> m{ { "key", "default" } };
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std::map<std::string, std::string> expected{ { "field1", "Hello" },
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{ "field2", "world!" },
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{ "ignore", "ignore" } };
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ASSERT_TRUE(StringMapHelper(m, &v) == ErrorCode::Success);
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ASSERT_TRUE(m == expected);
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v = Json::arrayValue;
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m = { { "key", "default" } };
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ASSERT_TRUE(StringMapHelper(m, &v) == ErrorCode::InvalidObject);
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m = { { "key", "default" } };
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ASSERT_TRUE(StringMapHelper(m, nullptr) == ErrorCode::Success);
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ASSERT_TRUE(m.empty());
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return true;
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}
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bool testMapFilter()
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{
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Json::Value v(Json::objectValue);
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v["field1"] = "Hello";
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v["field2"] = "world!";
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v["ignore"] = "ignore";
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std::map<std::string, std::string> m{ { "key", "default" } };
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std::map<std::string, std::string> expected{ { "field1", "Hello" },
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{ "field2", "world!" } };
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ASSERT_TRUE(StringMapFilterHelper(m, &v) == ErrorCode::Success);
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ASSERT_TRUE(m == expected);
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v = Json::arrayValue;
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m = { { "key", "default" } };
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ASSERT_TRUE(StringMapFilterHelper(m, &v) == ErrorCode::InvalidObject);
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m = { { "key", "default" } };
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ASSERT_TRUE(StringMapFilterHelper(m, nullptr) == ErrorCode::Success);
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ASSERT_TRUE(m.empty());
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return true;
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}
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bool testOptional()
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{
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Json::Value v = "Hello";
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cm::optional<std::string> str{ "default" };
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ASSERT_TRUE(OptionalStringHelper(str, &v) == ErrorCode::Success);
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ASSERT_TRUE(str == "Hello");
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str.emplace("default");
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ASSERT_TRUE(OptionalStringHelper(str, nullptr) == ErrorCode::Success);
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ASSERT_TRUE(str == cm::nullopt);
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return true;
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}
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bool testRequired()
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{
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Json::Value v = "Hello";
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std::string str = "default";
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int i = 1;
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ASSERT_TRUE(RequiredStringHelper(str, &v) == ErrorCode::Success);
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ASSERT_TRUE(str == "Hello");
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ASSERT_TRUE(RequiredIntHelper(i, &v) == ErrorCode::InvalidInt);
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v = 2;
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str = "default";
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i = 1;
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ASSERT_TRUE(RequiredStringHelper(str, &v) == ErrorCode::InvalidString);
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ASSERT_TRUE(RequiredIntHelper(i, &v) == ErrorCode::Success);
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ASSERT_TRUE(i == 2);
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str = "default";
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i = 1;
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ASSERT_TRUE(RequiredStringHelper(str, nullptr) ==
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ErrorCode::MissingRequired);
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ASSERT_TRUE(RequiredIntHelper(i, nullptr) == ErrorCode::MissingRequired);
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return true;
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}
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}
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int testJSONHelpers(int /*unused*/, char* /*unused*/ [])
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{
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if (!testInt()) {
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return 1;
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}
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if (!testUInt()) {
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return 1;
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}
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if (!testBool()) {
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return 1;
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}
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if (!testString()) {
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return 1;
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}
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if (!testObject()) {
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return 1;
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}
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if (!testObjectInherited()) {
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return 1;
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}
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if (!testObjectNoExtra()) {
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return 1;
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}
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if (!testObjectOptional()) {
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return 1;
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}
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if (!testVector()) {
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return 1;
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}
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if (!testVectorFilter()) {
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return 1;
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}
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if (!testMap()) {
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return 1;
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}
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if (!testMapFilter()) {
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return 1;
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}
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if (!testOptional()) {
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return 1;
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}
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if (!testRequired()) {
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return 1;
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}
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return 0;
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}
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