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🐛 parsing erroneous files yields an exception (#366)

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This commit is contained in:
Niels Lohmann 2016-11-23 16:57:01 +01:00
parent ed611119d9
commit 4bb41d065b
3 changed files with 18 additions and 0 deletions
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6
src/json.hpp
View File

@ -7597,6 +7597,12 @@ class basic_json
explicit lexer(std::istream& s)
: m_stream(&s), m_line_buffer()
{
// immediately abort if stream is erroneous
if (s.fail())
{
throw std::invalid_argument("stream error: " + std::string(strerror(errno)));
}
// fill buffer
fill_line_buffer();

6
src/json.hpp.re2c
View File

@ -7597,6 +7597,12 @@ class basic_json
explicit lexer(std::istream& s)
: m_stream(&s), m_line_buffer()
{
// immediately abort if stream is erroneous
if (s.fail())
{
throw std::invalid_argument("stream error: " + std::string(strerror(errno)));
}
// fill buffer
fill_line_buffer();

6
test/src/unit-regression.cpp
View File

@ -495,4 +495,10 @@ TEST_CASE("regression tests")
json j = json::parse("22e2222");
CHECK(j == json());
}
SECTION("issue #366 - json::parse on failed stream gets stuck")
{
std::ifstream f("file_not_found.json");
CHECK_THROWS_AS(json::parse(f), std::invalid_argument);
}
}