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[flexbuffers, json] Parse nan and inf (#6512)

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This commit is contained in:
Vladimir Glavnyy
2021-03-16 01:44:42 +07:00
committed by GitHub
parent 6543ba5297
commit 69b329fc87
3 changed files with 52 additions and 0 deletions
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26
tests/test.cpp
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@@ -3020,6 +3020,31 @@ void FlexBuffersTest() {
TEST_EQ(slb.GetSize(), 664);
}
void FlexBuffersFloatingPointTest() {
#if defined(FLATBUFFERS_HAS_NEW_STRTOD) && (FLATBUFFERS_HAS_NEW_STRTOD > 0)
flexbuffers::Builder slb(512,
flexbuffers::BUILDER_FLAG_SHARE_KEYS_AND_STRINGS);
// Parse floating-point values from JSON:
flatbuffers::Parser parser;
slb.Clear();
auto jsontest =
"{ a: [1.0, nan, inf, infinity, -inf, +inf, -infinity, 8.0] }";
TEST_EQ(parser.ParseFlexBuffer(jsontest, nullptr, &slb), true);
auto jroot = flexbuffers::GetRoot(slb.GetBuffer());
auto jmap = jroot.AsMap();
auto jvec = jmap["a"].AsVector();
TEST_EQ(8, jvec.size());
TEST_EQ(1.0, jvec[0].AsDouble());
TEST_ASSERT(is_quiet_nan(jvec[1].AsDouble()));
TEST_EQ(infinity_d, jvec[2].AsDouble());
TEST_EQ(infinity_d, jvec[3].AsDouble());
TEST_EQ(-infinity_d, jvec[4].AsDouble());
TEST_EQ(+infinity_d, jvec[5].AsDouble());
TEST_EQ(-infinity_d, jvec[6].AsDouble());
TEST_EQ(8.0, jvec[7].AsDouble());
#endif
}
void FlexBuffersDeprecatedTest() {
// FlexBuffers as originally designed had a flaw involving the
// FBT_VECTOR_STRING datatype, and this test documents/tests the fix for it.
@@ -3909,6 +3934,7 @@ int FlatBufferTests() {
FieldIdentifierTest();
StringVectorDefaultsTest();
ParseIncorrectMonsterJsonTest();
FlexBuffersFloatingPointTest();
return 0;
}