Allow to read Nan/Inf values from JSON

Allow to read Nan/Inf values from JSON
9fbb79a21d81cf178abc89cd11d7ac75a9a4aaed

1 files changed, 29 insertions, 0 deletions

diff --git a/library/cpp/json/ut/json_reader_nan_ut.cpp b/library/cpp/json/ut/json_reader_nan_ut.cpp
new file mode 100644
index 0000000000..fdd66249eb
--- /dev/null
+++ b/library/cpp/json/ut/json_reader_nan_ut.cpp
@@ -0,0 +1,29 @@
+#include <library/cpp/json/json_reader.h>
+#include <library/cpp/testing/unittest/registar.h>
+
+using namespace NJson;
+
+namespace {
+
+constexpr TStringBuf JSON_NAN_TEST = "{ \"Value1\": 0.0, \"Value2\": 1, \"Value3\": NaN }";
+
+}
+
+Y_UNIT_TEST_SUITE(TJsonReaderNanTest) {
+    Y_UNIT_TEST(WithoutNanTest) {
+        TJsonReaderConfig cfg;
+        TJsonValue out;
+        // This read will fail
+        UNIT_ASSERT(!ReadJsonTree(JSON_NAN_TEST, &cfg, &out, /* throwOnError */ false));
+
+    }
+    Y_UNIT_TEST(WithNanTest) {
+        TJsonReaderConfig cfg;
+        cfg.AllowReadNanInf = true;
+
+        TJsonValue out;
+        // This read will ok
+        UNIT_ASSERT(ReadJsonTree(JSON_NAN_TEST, &cfg, &out, /* throwOnError */ false));
+    }
+}
+