diff options
Diffstat (limited to 'tests/auto/corelib/json/tst_qtjson.cpp')
| -rw-r--r-- | tests/auto/corelib/json/tst_qtjson.cpp | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/tests/auto/corelib/json/tst_qtjson.cpp b/tests/auto/corelib/json/tst_qtjson.cpp index bdf8c86442..78cb4277b2 100644 --- a/tests/auto/corelib/json/tst_qtjson.cpp +++ b/tests/auto/corelib/json/tst_qtjson.cpp @@ -45,6 +45,7 @@ #include "qjsonobject.h" #include "qjsonvalue.h" #include "qjsondocument.h" +#include <limits> #define INVALID_UNICODE "\357\277\277" // "\uffff" #define UNICODE_DJE "\320\202" // Character from the Serbian Cyrillic alphabet @@ -97,6 +98,8 @@ private Q_SLOTS: void toVariantList(); void toJson(); + void toJsonSillyNumericValues(); + void toJsonLargeNumericValues(); void fromJson(); void fromJsonErrors(); void fromBinary(); @@ -1197,6 +1200,89 @@ void tst_QtJson::toJson() } } +void tst_QtJson::toJsonSillyNumericValues() +{ + QJsonObject object; + QJsonArray array; + array.append(QJsonValue(std::numeric_limits<double>::infinity())); // encode to: null + array.append(QJsonValue(-std::numeric_limits<double>::infinity())); // encode to: null + array.append(QJsonValue(std::numeric_limits<double>::quiet_NaN())); // encode to: null + object.insert("Array", array); + + QByteArray json = QJsonDocument(object).toJson(); + + QByteArray expected = + "{\n" + " \"Array\": [\n" + " null,\n" + " null,\n" + " null\n" + " ]\n" + "}\n"; + + QCOMPARE(json, expected); + + QJsonDocument doc; + doc.setObject(object); + json = doc.toJson(); + QCOMPARE(json, expected); +} + +void tst_QtJson::toJsonLargeNumericValues() +{ + QJsonObject object; + QJsonArray array; + array.append(QJsonValue(1.234567)); // actual precision bug in Qt 5.0.0 + array.append(QJsonValue(1.7976931348623157e+308)); // JS Number.MAX_VALUE + array.append(QJsonValue(5e-324)); // JS Number.MIN_VALUE + array.append(QJsonValue(std::numeric_limits<double>::min())); + array.append(QJsonValue(std::numeric_limits<double>::max())); + array.append(QJsonValue(std::numeric_limits<double>::epsilon())); + array.append(QJsonValue(std::numeric_limits<double>::denorm_min())); + array.append(QJsonValue(0.0)); + array.append(QJsonValue(-std::numeric_limits<double>::min())); + array.append(QJsonValue(-std::numeric_limits<double>::max())); + array.append(QJsonValue(-std::numeric_limits<double>::epsilon())); + array.append(QJsonValue(-std::numeric_limits<double>::denorm_min())); + array.append(QJsonValue(-0.0)); + array.append(QJsonValue(9007199254740992LL)); // JS Number max integer + array.append(QJsonValue(-9007199254740992LL)); // JS Number min integer + object.insert("Array", array); + + QByteArray json = QJsonDocument(object).toJson(); + + QByteArray expected = + "{\n" + " \"Array\": [\n" + " 1.234567,\n" + " 1.7976931348623157e+308,\n" + // ((4.9406564584124654e-324 == 5e-324) == true) + // I can only think JavaScript has a special formatter to + // emit this value for this IEEE754 bit pattern. + " 4.9406564584124654e-324,\n" + " 2.2250738585072014e-308,\n" + " 1.7976931348623157e+308,\n" + " 2.2204460492503131e-16,\n" + " 4.9406564584124654e-324,\n" + " 0,\n" + " -2.2250738585072014e-308,\n" + " -1.7976931348623157e+308,\n" + " -2.2204460492503131e-16,\n" + " -4.9406564584124654e-324,\n" + " 0,\n" + " 9007199254740992,\n" + " -9007199254740992\n" + " ]\n" + "}\n"; + + QCOMPARE(json, expected); + + QJsonDocument doc; + doc.setObject(object); + json = doc.toJson(); + QCOMPARE(json, expected); +} + void tst_QtJson::fromJson() { { |