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Merge pull request #179 from cdunn2001/drop-null

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Fix failures for `allowDroppedNullPlaceholders`.
This commit is contained in:
Christopher Dunn 2015-02-19 12:38:16 -06:00
commit ae71879549
2 changed files with 160 additions and 4 deletions
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10
src/lib_json/json_reader.cpp
View File

@ -200,6 +200,8 @@ bool Reader::readValue() {
}
break;
case tokenArraySeparator:
case tokenObjectEnd:
case tokenArrayEnd:
if (features_.allowDroppedNullPlaceholders_) {
// "Un-read" the current token and mark the current value as a null
// token.
@ -209,8 +211,7 @@ bool Reader::readValue() {
currentValue().setOffsetStart(current_ - begin_ - 1);
currentValue().setOffsetLimit(current_ - begin_);
break;
}
// Else, fall through...
} // Else, fall through...
default:
currentValue().setOffsetStart(token.start_ - begin_);
currentValue().setOffsetLimit(token.end_ - begin_);
@ -1160,6 +1161,8 @@ bool OurReader::readValue() {
}
break;
case tokenArraySeparator:
case tokenObjectEnd:
case tokenArrayEnd:
if (features_.allowDroppedNullPlaceholders_) {
// "Un-read" the current token and mark the current value as a null
// token.
@ -1169,8 +1172,7 @@ bool OurReader::readValue() {
currentValue().setOffsetStart(current_ - begin_ - 1);
currentValue().setOffsetLimit(current_ - begin_);
break;
}
// Else, fall through...
} // else, fall through ...
default:
currentValue().setOffsetStart(token.start_ - begin_);
currentValue().setOffsetLimit(token.end_ - begin_);

154
src/test_lib_json/main.cpp
View File

@ -1862,6 +1862,158 @@ JSONTEST_FIXTURE(CharReaderFailIfExtraTest, commentAfterBool) {
delete reader;
}
struct CharReaderAllowDropNullTest : JsonTest::TestCase {};
JSONTEST_FIXTURE(CharReaderAllowDropNullTest, issue178) {
Json::CharReaderBuilder b;
b.settings_["allowDroppedNullPlaceholders"] = true;
Json::Value root;
std::string errs;
Json::CharReader* reader(b.newCharReader());
{
char const doc[] = "{\"a\":,\"b\":true}";
bool ok = reader->parse(
doc, doc + std::strlen(doc),
&root, &errs);
JSONTEST_ASSERT(ok);
JSONTEST_ASSERT_STRING_EQUAL("", errs);
JSONTEST_ASSERT_EQUAL(2u, root.size());
JSONTEST_ASSERT_EQUAL(Json::nullValue, root.get("a", true));
}
{
char const doc[] = "{\"a\":}";
bool ok = reader->parse(
doc, doc + std::strlen(doc),
&root, &errs);
JSONTEST_ASSERT(ok);
JSONTEST_ASSERT_STRING_EQUAL("", errs);
JSONTEST_ASSERT_EQUAL(1u, root.size());
JSONTEST_ASSERT_EQUAL(Json::nullValue, root.get("a", true));
}
{
char const doc[] = "[]";
bool ok = reader->parse(
doc, doc + std::strlen(doc),
&root, &errs);
JSONTEST_ASSERT(ok);
JSONTEST_ASSERT(errs == "");
JSONTEST_ASSERT_EQUAL(0u, root.size());
JSONTEST_ASSERT_EQUAL(Json::arrayValue, root);
}
{
char const doc[] = "[null]";
bool ok = reader->parse(
doc, doc + std::strlen(doc),
&root, &errs);
JSONTEST_ASSERT(ok);
JSONTEST_ASSERT(errs == "");
JSONTEST_ASSERT_EQUAL(1u, root.size());
}
{
char const doc[] = "[,]";
bool ok = reader->parse(
doc, doc + std::strlen(doc),
&root, &errs);
JSONTEST_ASSERT(ok);
JSONTEST_ASSERT_STRING_EQUAL("", errs);
JSONTEST_ASSERT_EQUAL(2u, root.size());
}
{
char const doc[] = "[,,,]";
bool ok = reader->parse(
doc, doc + std::strlen(doc),
&root, &errs);
JSONTEST_ASSERT(ok);
JSONTEST_ASSERT_STRING_EQUAL("", errs);
JSONTEST_ASSERT_EQUAL(4u, root.size());
}
{
char const doc[] = "[null,]";
bool ok = reader->parse(
doc, doc + std::strlen(doc),
&root, &errs);
JSONTEST_ASSERT(ok);
JSONTEST_ASSERT_STRING_EQUAL("", errs);
JSONTEST_ASSERT_EQUAL(2u, root.size());
}
{
char const doc[] = "[,null]";
bool ok = reader->parse(
doc, doc + std::strlen(doc),
&root, &errs);
JSONTEST_ASSERT(ok);
JSONTEST_ASSERT(errs == "");
JSONTEST_ASSERT_EQUAL(2u, root.size());
}
{
char const doc[] = "[,,]";
bool ok = reader->parse(
doc, doc + std::strlen(doc),
&root, &errs);
JSONTEST_ASSERT(ok);
JSONTEST_ASSERT_STRING_EQUAL("", errs);
JSONTEST_ASSERT_EQUAL(3u, root.size());
}
{
char const doc[] = "[null,,]";
bool ok = reader->parse(
doc, doc + std::strlen(doc),
&root, &errs);
JSONTEST_ASSERT(ok);
JSONTEST_ASSERT_STRING_EQUAL("", errs);
JSONTEST_ASSERT_EQUAL(3u, root.size());
}
{
char const doc[] = "[,null,]";
bool ok = reader->parse(
doc, doc + std::strlen(doc),
&root, &errs);
JSONTEST_ASSERT(ok);
JSONTEST_ASSERT_STRING_EQUAL("", errs);
JSONTEST_ASSERT_EQUAL(3u, root.size());
}
{
char const doc[] = "[,,null]";
bool ok = reader->parse(
doc, doc + std::strlen(doc),
&root, &errs);
JSONTEST_ASSERT(ok);
JSONTEST_ASSERT(errs == "");
JSONTEST_ASSERT_EQUAL(3u, root.size());
}
{
char const doc[] = "[[],,,]";
bool ok = reader->parse(
doc, doc + std::strlen(doc),
&root, &errs);
JSONTEST_ASSERT(ok);
JSONTEST_ASSERT_STRING_EQUAL("", errs);
JSONTEST_ASSERT_EQUAL(4u, root.size());
JSONTEST_ASSERT_EQUAL(Json::arrayValue, root[0u]);
}
{
char const doc[] = "[,[],,]";
bool ok = reader->parse(
doc, doc + std::strlen(doc),
&root, &errs);
JSONTEST_ASSERT(ok);
JSONTEST_ASSERT_STRING_EQUAL("", errs);
JSONTEST_ASSERT_EQUAL(4u, root.size());
JSONTEST_ASSERT_EQUAL(Json::arrayValue, root[1u]);
}
{
char const doc[] = "[,,,[]]";
bool ok = reader->parse(
doc, doc + std::strlen(doc),
&root, &errs);
JSONTEST_ASSERT(ok);
JSONTEST_ASSERT(errs == "");
JSONTEST_ASSERT_EQUAL(4u, root.size());
JSONTEST_ASSERT_EQUAL(Json::arrayValue, root[3u]);
}
delete reader;
}
struct IteratorTest : JsonTest::TestCase {};
JSONTEST_FIXTURE(IteratorTest, distance) {
@ -1925,6 +2077,8 @@ int main(int argc, const char* argv[]) {
JSONTEST_REGISTER_FIXTURE(runner, CharReaderFailIfExtraTest, commentAfterArray);
JSONTEST_REGISTER_FIXTURE(runner, CharReaderFailIfExtraTest, commentAfterBool);
JSONTEST_REGISTER_FIXTURE(runner, CharReaderAllowDropNullTest, issue178);
JSONTEST_REGISTER_FIXTURE(runner, IteratorTest, distance);
return runner.runCommandLine(argc, argv);