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reinforce readToken function and add simple tests (#1012)

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dota17 2019-09-17 02:25:22 +08:00 committed by Jordan Bayles
parent c5cb313ca0
commit 2cb9a5803e
2 changed files with 15 additions and 4 deletions
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8
src/lib_json/json_reader.cpp
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@ -1227,6 +1227,14 @@ bool OurReader::readToken(Token& token) {
ok = features_.allowSpecialFloats_ && match("nfinity", 7); ok = features_.allowSpecialFloats_ && match("nfinity", 7);
} }
break; break;
case '+':
if (readNumber(true)) {
token.type_ = tokenNumber;
} else {
token.type_ = tokenPosInf;
ok = features_.allowSpecialFloats_ && match("nfinity", 7);
}
break;
case 't': case 't':
token.type_ = tokenTrue; token.type_ = tokenTrue;
ok = match("rue", 3); ok = match("rue", 3);

11
src/test_lib_json/main.cpp
View File

@ -2451,17 +2451,19 @@ JSONTEST_FIXTURE(CharReaderAllowSpecialFloatsTest, issue209) {
Json::String errs; Json::String errs;
Json::CharReader* reader(b.newCharReader()); Json::CharReader* reader(b.newCharReader());
{ {
char const doc[] = "{\"a\":NaN,\"b\":Infinity,\"c\":-Infinity}"; char const doc[] = "{\"a\":NaN,\"b\":Infinity,\"c\":-Infinity,\"d\":+Infinity}";
bool ok = reader->parse(doc, doc + std::strlen(doc), &root, &errs); bool ok = reader->parse(doc, doc + std::strlen(doc), &root, &errs);
JSONTEST_ASSERT(ok); JSONTEST_ASSERT(ok);
JSONTEST_ASSERT_STRING_EQUAL("", errs); JSONTEST_ASSERT_STRING_EQUAL("", errs);
JSONTEST_ASSERT_EQUAL(3u, root.size()); JSONTEST_ASSERT_EQUAL(4u, root.size());
double n = root["a"].asDouble(); double n = root["a"].asDouble();
JSONTEST_ASSERT(std::isnan(n)); JSONTEST_ASSERT(std::isnan(n));
JSONTEST_ASSERT_EQUAL(std::numeric_limits<double>::infinity(), JSONTEST_ASSERT_EQUAL(std::numeric_limits<double>::infinity(),
root.get("b", 0.0)); root.get("b", 0.0));
JSONTEST_ASSERT_EQUAL(-std::numeric_limits<double>::infinity(), JSONTEST_ASSERT_EQUAL(-std::numeric_limits<double>::infinity(),
root.get("c", 0.0)); root.get("c", 0.0));
JSONTEST_ASSERT_EQUAL(std::numeric_limits<double>::infinity(),
root.get("d", 0.0));
} }
struct TestData { struct TestData {
@ -2485,7 +2487,8 @@ JSONTEST_FIXTURE(CharReaderAllowSpecialFloatsTest, issue209) {
{__LINE__, false, "{\"a\":.Infinity}"}, // {__LINE__, false, "{\"a\":.Infinity}"}, //
{__LINE__, false, "{\"a\":_Infinity}"}, // {__LINE__, false, "{\"a\":_Infinity}"}, //
{__LINE__, false, "{\"a\":_nfinity}"}, // {__LINE__, false, "{\"a\":_nfinity}"}, //
{__LINE__, true, "{\"a\":-Infinity}"} // {__LINE__, true, "{\"a\":-Infinity}"}, //
{__LINE__, true, "{\"a\":+Infinity}"} //
}; };
for (const auto& td : test_data) { for (const auto& td : test_data) {
bool ok = reader->parse(&*td.in.begin(), &*td.in.begin() + td.in.size(), bool ok = reader->parse(&*td.in.begin(), &*td.in.begin() + td.in.size(),
@ -2499,7 +2502,7 @@ JSONTEST_FIXTURE(CharReaderAllowSpecialFloatsTest, issue209) {
} }
{ {
char const doc[] = "{\"posInf\": Infinity, \"NegInf\": -Infinity}"; char const doc[] = "{\"posInf\": +Infinity, \"NegInf\": -Infinity}";
bool ok = reader->parse(doc, doc + std::strlen(doc), &root, &errs); bool ok = reader->parse(doc, doc + std::strlen(doc), &root, &errs);
JSONTEST_ASSERT(ok); JSONTEST_ASSERT(ok);
JSONTEST_ASSERT_STRING_EQUAL("", errs); JSONTEST_ASSERT_STRING_EQUAL("", errs);