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#include <library/cpp/testing/unittest/registar.h>
#include <util/system/sanitizers.h>
#include "json.h"
#include <library/cpp/json/json_value.h>
#include <limits>
Y_UNIT_TEST_SUITE(JsonWriter) {
Y_UNIT_TEST(Struct) {
NJsonWriter::TBuf w;
w.BeginList();
w.BeginObject()
.WriteKey("key")
.WriteString("value")
.UnsafeWritePair("\"xk\":13")
.WriteKey("key2")
.BeginList()
.BeginObject()
.EndObject()
.BeginObject()
.EndObject()
.EndList()
.EndObject();
w.WriteInt(43);
w.UnsafeWriteValue("\"x\"");
w.WriteString("...");
w.EndList();
const char* exp = "[{\"key\":\"value\",\"xk\":13,\"key2\":[{},{}]},43,\"x\",\"...\"]";
UNIT_ASSERT_EQUAL(w.Str(), exp);
}
Y_UNIT_TEST(EscapedString) {
NJsonWriter::TBuf w(NJsonWriter::HEM_ESCAPE_HTML);
w.WriteString(" \n \r \t \007 \b \f ' <tag> &ent; \"txt\" ");
TString ws = w.Str();
const char* exp = "\" \\n \\r \\t \\u0007 \\b \\f ' <tag> &ent; "txt" \"";
UNIT_ASSERT_STRINGS_EQUAL(ws.c_str(), exp);
}
Y_UNIT_TEST(UnescapedString) {
NJsonWriter::TBuf w;
w.WriteString(" \n \r \t \b \f '; -- <tag> &ent; \"txt\"", NJsonWriter::HEM_DONT_ESCAPE_HTML);
TString ws = w.Str();
const char* exp = "\" \\n \\r \\t \\b \\f \\u0027; -- \\u003Ctag\\u003E &ent; \\\"txt\\\"\"";
UNIT_ASSERT_STRINGS_EQUAL(ws.c_str(), exp);
}
Y_UNIT_TEST(UnescapedChaining) {
NJsonWriter::TBuf w(NJsonWriter::HEM_DONT_ESCAPE_HTML);
w.UnsafeWriteRawBytes("(", 1);
w.BeginList().WriteString("<>&'\\").BeginList();
w.EndList().EndList();
TString ws = w.Str();
const char* exp = "([\"\\u003C\\u003E&\\u0027\\\\\",[]]";
UNIT_ASSERT_STRINGS_EQUAL(ws.c_str(), exp);
}
Y_UNIT_TEST(Utf8) {
TString ws = NJsonWriter::TBuf().WriteString("яЯ σΣ ש א").Str();
const char* exp = "\"яЯ σΣ ש א\"";
UNIT_ASSERT_STRINGS_EQUAL(ws.c_str(), exp);
}
Y_UNIT_TEST(WrongObject) {
NJsonWriter::TBuf w;
w.BeginObject();
UNIT_ASSERT_EXCEPTION(w.WriteString("hehe"), NJsonWriter::TError);
}
Y_UNIT_TEST(WrongList) {
NJsonWriter::TBuf w;
w.BeginList();
UNIT_ASSERT_EXCEPTION(w.WriteKey("hehe"), NJsonWriter::TError);
}
Y_UNIT_TEST(Incomplete) {
NJsonWriter::TBuf w;
w.BeginList();
UNIT_ASSERT_EXCEPTION(w.Str(), NJsonWriter::TError);
}
Y_UNIT_TEST(BareKey) {
NJsonWriter::TBuf w;
w.BeginObject()
.CompatWriteKeyWithoutQuotes("p")
.WriteInt(1)
.CompatWriteKeyWithoutQuotes("n")
.WriteInt(0)
.EndObject();
TString ws = w.Str();
const char* exp = "{p:1,n:0}";
UNIT_ASSERT_STRINGS_EQUAL(ws.c_str(), exp);
}
Y_UNIT_TEST(UnescapedStringInObject) {
NJsonWriter::TBuf w(NJsonWriter::HEM_DONT_ESCAPE_HTML);
w.BeginObject().WriteKey("key").WriteString("</&>'").EndObject();
TString ws = w.Str();
const char* exp = "{\"key\":\"\\u003C\\/&\\u003E\\u0027\"}";
UNIT_ASSERT_STRINGS_EQUAL(ws.c_str(), exp);
}
Y_UNIT_TEST(ForeignStreamStr) {
NJsonWriter::TBuf w(NJsonWriter::HEM_DONT_ESCAPE_HTML, &Cerr);
UNIT_ASSERT_EXCEPTION(w.Str(), NJsonWriter::TError);
}
Y_UNIT_TEST(ForeignStreamValue) {
TStringStream ss;
NJsonWriter::TBuf w(NJsonWriter::HEM_DONT_ESCAPE_HTML, &ss);
w.WriteInt(1543);
UNIT_ASSERT_STRINGS_EQUAL(ss.Str(), "1543");
}
Y_UNIT_TEST(Indentation) {
NJsonWriter::TBuf w(NJsonWriter::HEM_DONT_ESCAPE_HTML);
w.SetIndentSpaces(2);
w.BeginList()
.WriteInt(1)
.WriteString("hello")
.BeginObject()
.WriteKey("abc")
.WriteInt(3)
.WriteKey("def")
.WriteInt(4)
.EndObject()
.EndList();
const char* exp = "[\n"
" 1,\n"
" \"hello\",\n"
" {\n"
" \"abc\":3,\n"
" \"def\":4\n"
" }\n"
"]";
UNIT_ASSERT_STRINGS_EQUAL(exp, w.Str());
}
Y_UNIT_TEST(WriteJsonValue) {
using namespace NJson;
TJsonValue val;
val.AppendValue(1);
val.AppendValue("2");
val.AppendValue(3.5);
TJsonValue obj;
obj.InsertValue("key", TJsonValue("value"));
val.AppendValue(obj);
val.AppendValue(TJsonValue(JSON_NULL));
NJsonWriter::TBuf w(NJsonWriter::HEM_DONT_ESCAPE_HTML);
w.WriteJsonValue(&val);
const char exp[] = "[1,\"2\",3.5,{\"key\":\"value\"},null]";
UNIT_ASSERT_STRINGS_EQUAL(exp, w.Str());
}
Y_UNIT_TEST(WriteJsonValueSorted) {
using namespace NJson;
TJsonValue val;
val.InsertValue("1", TJsonValue(1));
val.InsertValue("2", TJsonValue(2));
TJsonValue obj;
obj.InsertValue("zero", TJsonValue(0));
obj.InsertValue("succ", TJsonValue(1));
val.InsertValue("0", obj);
NJsonWriter::TBuf w(NJsonWriter::HEM_DONT_ESCAPE_HTML);
w.WriteJsonValue(&val, true);
const char exp[] = "{\"0\":{\"succ\":1,\"zero\":0},\"1\":1,\"2\":2}";
UNIT_ASSERT_STRINGS_EQUAL(exp, w.Str());
}
Y_UNIT_TEST(Unescaped) {
NJsonWriter::TBuf buf(NJsonWriter::HEM_UNSAFE);
buf.WriteString("</security>'");
UNIT_ASSERT_STRINGS_EQUAL("\"</security>'\"", buf.Str());
}
Y_UNIT_TEST(LittleBobbyJsonp) {
NJsonWriter::TBuf buf;
buf.WriteString("hello\xe2\x80\xa8\xe2\x80\xa9stranger");
UNIT_ASSERT_STRINGS_EQUAL("\"hello\\u2028\\u2029stranger\"", buf.Str());
}
Y_UNIT_TEST(LittleBobbyInvalid) {
NJsonWriter::TBuf buf;
TStringBuf incomplete("\xe2\x80\xa8", 2);
buf.WriteString(incomplete);
// garbage in - garbage out
UNIT_ASSERT_STRINGS_EQUAL("\"\xe2\x80\"", buf.Str());
}
Y_UNIT_TEST(OverlyZealous) {
NJsonWriter::TBuf buf;
buf.WriteString("—");
UNIT_ASSERT_STRINGS_EQUAL("\"—\"", buf.Str());
}
Y_UNIT_TEST(RelaxedEscaping) {
NJsonWriter::TBuf buf(NJsonWriter::HEM_RELAXED);
buf.WriteString("</>");
UNIT_ASSERT_STRINGS_EQUAL("\"\\u003C/\\u003E\"", buf.Str());
}
Y_UNIT_TEST(FloatFormatting) {
NJsonWriter::TBuf buf(NJsonWriter::HEM_DONT_ESCAPE_HTML);
buf.BeginList()
.WriteFloat(0.12345678987654321f)
.WriteDouble(0.12345678987654321)
.WriteFloat(0.315501, PREC_NDIGITS, 3)
.WriteFloat(244.13854, PREC_NDIGITS, 4)
.WriteFloat(10385.8324, PREC_POINT_DIGITS, 2)
.BeginObject()
.WriteKey("1")
.WriteDouble(1111.71, PREC_POINT_DIGITS, 0)
.WriteKey("2")
.WriteDouble(1111.71, PREC_NDIGITS, 1)
.EndObject()
.EndList();
const char exp[] = "[0.123457,0.1234567899,0.316,244.1,10385.83,{\"1\":1112,\"2\":1e+03}]";
UNIT_ASSERT_STRINGS_EQUAL(exp, buf.Str());
}
Y_UNIT_TEST(NanFormatting) {
{
NJsonWriter::TBuf buf;
buf.BeginObject();
buf.WriteKey("nanvalue");
UNIT_ASSERT_EXCEPTION(buf.WriteFloat(std::numeric_limits<double>::quiet_NaN()), yexception);
}
{
NJsonWriter::TBuf buf;
buf.BeginObject();
buf.WriteKey("infvalue");
UNIT_ASSERT_EXCEPTION(buf.WriteFloat(std::numeric_limits<double>::infinity()), yexception);
}
{
NJsonWriter::TBuf buf;
buf.BeginList();
UNIT_ASSERT_EXCEPTION(buf.WriteFloat(std::numeric_limits<double>::quiet_NaN()), yexception);
}
{
NJsonWriter::TBuf buf;
buf.BeginList();
UNIT_ASSERT_EXCEPTION(buf.WriteFloat(std::numeric_limits<double>::infinity()), yexception);
}
{
NJsonWriter::TBuf buf;
buf.SetWriteNanAsString();
buf.BeginObject()
.WriteKey("nanvalue")
.WriteFloat(std::numeric_limits<double>::quiet_NaN())
.WriteKey("infvalue")
.WriteFloat(std::numeric_limits<double>::infinity())
.WriteKey("minus_infvalue")
.WriteFloat(-std::numeric_limits<float>::infinity())
.WriteKey("l")
.BeginList()
.WriteFloat(std::numeric_limits<float>::quiet_NaN())
.EndList()
.EndObject();
UNIT_ASSERT_STRINGS_EQUAL(buf.Str(), R"raw_json({"nanvalue":"nan","infvalue":"inf","minus_infvalue":"-inf","l":["nan"]})raw_json");
}
{
NJsonWriter::TBuf buf;
buf.BeginObject()
.WriteKey("<>&")
.WriteString("Ololo")
.UnsafeWriteKey("<>&")
.WriteString("Ololo2")
.EndObject();
UNIT_ASSERT_STRINGS_EQUAL(buf.Str(), R"({"\u003C\u003E&":"Ololo","<>&":"Ololo2"})");
}
}
Y_UNIT_TEST(WriteUninitializedBoolDoesntCrashProgram) {
// makes sense only in release build w/ address sanitizer
//
// passing uninitialized boolean into WriteBool can make cleverly optimized code which is emitted by compiler crash program
// https://stackoverflow.com/questions/54120862/does-the-c-standard-allow-for-an-uninitialized-bool-to-crash-a-program
// looks like compiler can detect UB at compile time in simple cases, but not in this one
class TSensorConf {
public:
class TAggrRuleItem {
public:
TVector<TString> Cond;
TVector<TString> Target;
};
TString ToString() const {
NJson::TJsonValue jsonValue;
NJsonWriter::TBuf jsonOutput;
jsonOutput.BeginObject()
.WriteKey("rawDataMemOnly").WriteBool(RawDataMemOnly)
.WriteKey("aggrRules").BeginList();
jsonOutput.EndList()
.EndObject();
return jsonOutput.Str();
}
TVector<TAggrRuleItem> AggrRules;
bool RawDataMemOnly;
};
TSensorConf s;
NSan::Unpoison(&s.RawDataMemOnly, sizeof(s.RawDataMemOnly));
auto p = s.ToString();
// doesn't really matter
UNIT_ASSERT(!p.empty());
}
}
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