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make sure precision is reset on output streams during serialization

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Niels
2016-07-20 20:07:45 +02:00
parent cb145cfe71
commit 1286d35767
3 changed files with 66 additions and 18 deletions
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22
test/src/unit.cpp
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@@ -1685,6 +1685,28 @@ TEST_CASE("object inspection")
json j_discarded(json::value_t::discarded);
CHECK(j_discarded.dump() == "<discarded>");
}
SECTION("check that precision is reset after serialization")
{
// create stringstream and set precision
std::stringstream ss;
ss.precision(3);
ss << 3.141592653589793 << std::fixed;
CHECK(ss.str() == "3.14");
// reset stringstream
ss.str(std::string());
// use stringstream for JSON serialization
json j_number = 3.141592653589793;
ss << j_number;
// check that precision has been overridden during serialization
CHECK(ss.str() == "3.141592653589793");
// check that precision has been restored
CHECK(ss.precision() == 3);
}
}
SECTION("return the type of the object (explicit)")