From 8779521704c7cbb7e1466b67e6c6ec1ba1c3b294 Mon Sep 17 00:00:00 2001 From: Robin Burchell Date: Fri, 3 Feb 2017 19:38:16 +0100 Subject: Date.prototype: Fixes for ES6 compliance * Don't return -0 from TimeClip (20.3.1.15, 1) * Mark length configurable (19.2.4.1) * toUTCString and toGMTString must be the the same object (B.2.4.3) Brings us a bit closer to passing tests. Still some failures in other areas. Change-Id: I905216b8653ac0b33cb27e6b773616521fbb5daa Reviewed-by: Simon Hausmann --- src/qml/jsruntime/qv4dateobject.cpp | 23 +++++++++++++++++++---- 1 file changed, 19 insertions(+), 4 deletions(-) (limited to 'src/qml/jsruntime/qv4dateobject.cpp') diff --git a/src/qml/jsruntime/qv4dateobject.cpp b/src/qml/jsruntime/qv4dateobject.cpp index b90c335b1c..4a85d5ef6d 100644 --- a/src/qml/jsruntime/qv4dateobject.cpp +++ b/src/qml/jsruntime/qv4dateobject.cpp @@ -340,7 +340,9 @@ static inline double TimeClip(double t) { if (! qt_is_finite(t) || fabs(t) > 8.64e15) return qt_qnan(); - return Primitive::toInteger(t); + + // +0 looks weird, but is correct. See ES6 20.3.1.15. We must not return -0. + return Primitive::toInteger(t) + 0; } static inline double ParseString(const QString &s) @@ -724,7 +726,7 @@ void DatePrototype::init(ExecutionEngine *engine, Object *ctor) Scope scope(engine); ScopedObject o(scope); ctor->defineReadonlyProperty(engine->id_prototype(), (o = this)); - ctor->defineReadonlyProperty(engine->id_length(), Primitive::fromInt32(7)); + ctor->defineReadonlyConfigurableProperty(engine->id_length(), Primitive::fromInt32(7)); LocalTZA = getLocalTZA(); ctor->defineDefaultProperty(QStringLiteral("parse"), method_parse, 1); @@ -774,8 +776,21 @@ void DatePrototype::init(ExecutionEngine *engine, Object *ctor) defineDefaultProperty(QStringLiteral("setYear"), method_setYear, 1); defineDefaultProperty(QStringLiteral("setFullYear"), method_setFullYear, 3); defineDefaultProperty(QStringLiteral("setUTCFullYear"), method_setUTCFullYear, 3); - defineDefaultProperty(QStringLiteral("toUTCString"), method_toUTCString, 0); - defineDefaultProperty(QStringLiteral("toGMTString"), method_toUTCString, 0); + + // ES6: B.2.4.3 & 20.3.4.43: + // We have to use the *same object* for toUTCString and toGMTString + { + QString toUtcString(QStringLiteral("toUTCString")); + QString toGmtString(QStringLiteral("toGMTString")); + ScopedString us(scope, engine->newIdentifier(toUtcString)); + ScopedString gs(scope, engine->newIdentifier(toGmtString)); + ExecutionContext *global = engine->rootContext(); + ScopedFunctionObject toUtcGmtStringFn(scope, BuiltinFunction::create(global, us, method_toUTCString)); + toUtcGmtStringFn->defineReadonlyConfigurableProperty(engine->id_length(), Primitive::fromInt32(0)); + defineDefaultProperty(us, toUtcGmtStringFn); + defineDefaultProperty(gs, toUtcGmtStringFn); + } + defineDefaultProperty(QStringLiteral("toISOString"), method_toISOString, 0); defineDefaultProperty(QStringLiteral("toJSON"), method_toJSON, 1); } -- cgit v1.2.3 From d4d460ffbd9dd7ebb7966ce43b94b708fb6200ce Mon Sep 17 00:00:00 2001 From: Robin Burchell Date: Sat, 4 Feb 2017 12:54:55 +0100 Subject: DateObject: Add a bunch of exception checks The ES6 spec specifies ReturnIfAbrupt between each of these steps, covering cases where for instance some strange person passes an Object to the setYear function, with a valueOf that throws. This improves our pass rate on built-ins/Date/prototype on the ES6 tests significantly. Before: === Summary === - Ran 1144 tests - Passed 1076 tests (94.1%) - Failed 68 tests (5.9%) After: === Summary === - Ran 1144 tests - Passed 1110 tests (97.0%) - Failed 34 tests (3.0%) Change-Id: I616d5727eb6ae197699aa4021631f17c7346de27 Reviewed-by: Simon Hausmann --- src/qml/jsruntime/qv4dateobject.cpp | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) (limited to 'src/qml/jsruntime/qv4dateobject.cpp') diff --git a/src/qml/jsruntime/qv4dateobject.cpp b/src/qml/jsruntime/qv4dateobject.cpp index 4a85d5ef6d..c56d007028 100644 --- a/src/qml/jsruntime/qv4dateobject.cpp +++ b/src/qml/jsruntime/qv4dateobject.cpp @@ -1040,6 +1040,7 @@ void DatePrototype::method_setTime(const BuiltinFunction *, Scope &scope, CallDa THROW_TYPE_ERROR(); double t = callData->argc ? callData->args[0].toNumber() : qt_qnan(); + CHECK_EXCEPTION(); self->setDate(TimeClip(t)); scope.result = Encode(self->date()); } @@ -1051,7 +1052,9 @@ void DatePrototype::method_setMilliseconds(const BuiltinFunction *, Scope &scope THROW_TYPE_ERROR(); double t = LocalTime(self->date()); + CHECK_EXCEPTION(); double ms = callData->argc ? callData->args[0].toNumber() : qt_qnan(); + CHECK_EXCEPTION(); self->setDate(TimeClip(UTC(MakeDate(Day(t), MakeTime(HourFromTime(t), MinFromTime(t), SecFromTime(t), ms))))); scope.result = Encode(self->date()); } @@ -1063,7 +1066,9 @@ void DatePrototype::method_setUTCMilliseconds(const BuiltinFunction *, Scope &sc THROW_TYPE_ERROR(); double t = self->date(); + CHECK_EXCEPTION(); double ms = callData->argc ? callData->args[0].toNumber() : qt_qnan(); + CHECK_EXCEPTION(); self->setDate(TimeClip(MakeDate(Day(t), MakeTime(HourFromTime(t), MinFromTime(t), SecFromTime(t), ms)))); scope.result = Encode(self->date()); } @@ -1075,8 +1080,11 @@ void DatePrototype::method_setSeconds(const BuiltinFunction *, Scope &scope, Cal THROW_TYPE_ERROR(); double t = LocalTime(self->date()); + CHECK_EXCEPTION(); double sec = callData->argc ? callData->args[0].toNumber() : qt_qnan(); + CHECK_EXCEPTION(); double ms = (callData->argc < 2) ? msFromTime(t) : callData->args[1].toNumber(); + CHECK_EXCEPTION(); t = TimeClip(UTC(MakeDate(Day(t), MakeTime(HourFromTime(t), MinFromTime(t), sec, ms)))); self->setDate(t); scope.result = Encode(self->date()); @@ -1103,9 +1111,13 @@ void DatePrototype::method_setMinutes(const BuiltinFunction *, Scope &scope, Cal THROW_TYPE_ERROR(); double t = LocalTime(self->date()); + CHECK_EXCEPTION(); double min = callData->argc ? callData->args[0].toNumber() : qt_qnan(); + CHECK_EXCEPTION(); double sec = (callData->argc < 2) ? SecFromTime(t) : callData->args[1].toNumber(); + CHECK_EXCEPTION(); double ms = (callData->argc < 3) ? msFromTime(t) : callData->args[2].toNumber(); + CHECK_EXCEPTION(); t = TimeClip(UTC(MakeDate(Day(t), MakeTime(HourFromTime(t), min, sec, ms)))); self->setDate(t); scope.result = Encode(self->date()); @@ -1133,10 +1145,15 @@ void DatePrototype::method_setHours(const BuiltinFunction *, Scope &scope, CallD THROW_TYPE_ERROR(); double t = LocalTime(self->date()); + CHECK_EXCEPTION(); double hour = callData->argc ? callData->args[0].toNumber() : qt_qnan(); + CHECK_EXCEPTION(); double min = (callData->argc < 2) ? MinFromTime(t) : callData->args[1].toNumber(); + CHECK_EXCEPTION(); double sec = (callData->argc < 3) ? SecFromTime(t) : callData->args[2].toNumber(); + CHECK_EXCEPTION(); double ms = (callData->argc < 4) ? msFromTime(t) : callData->args[3].toNumber(); + CHECK_EXCEPTION(); t = TimeClip(UTC(MakeDate(Day(t), MakeTime(hour, min, sec, ms)))); self->setDate(t); scope.result = Encode(self->date()); @@ -1165,7 +1182,9 @@ void DatePrototype::method_setDate(const BuiltinFunction *, Scope &scope, CallDa THROW_TYPE_ERROR(); double t = LocalTime(self->date()); + CHECK_EXCEPTION(); double date = callData->argc ? callData->args[0].toNumber() : qt_qnan(); + CHECK_EXCEPTION(); t = TimeClip(UTC(MakeDate(MakeDay(YearFromTime(t), MonthFromTime(t), date), TimeWithinDay(t)))); self->setDate(t); scope.result = Encode(self->date()); @@ -1178,7 +1197,9 @@ void DatePrototype::method_setUTCDate(const BuiltinFunction *, Scope &scope, Cal THROW_TYPE_ERROR(); double t = self->date(); + CHECK_EXCEPTION(); double date = callData->argc ? callData->args[0].toNumber() : qt_qnan(); + CHECK_EXCEPTION(); t = TimeClip(MakeDate(MakeDay(YearFromTime(t), MonthFromTime(t), date), TimeWithinDay(t))); self->setDate(t); scope.result = Encode(self->date()); @@ -1191,8 +1212,11 @@ void DatePrototype::method_setMonth(const BuiltinFunction *, Scope &scope, CallD THROW_TYPE_ERROR(); double t = LocalTime(self->date()); + CHECK_EXCEPTION(); double month = callData->argc ? callData->args[0].toNumber() : qt_qnan(); + CHECK_EXCEPTION(); double date = (callData->argc < 2) ? DateFromTime(t) : callData->args[1].toNumber(); + CHECK_EXCEPTION(); t = TimeClip(UTC(MakeDate(MakeDay(YearFromTime(t), month, date), TimeWithinDay(t)))); self->setDate(t); scope.result = Encode(self->date()); @@ -1260,11 +1284,15 @@ void DatePrototype::method_setFullYear(const BuiltinFunction *, Scope &scope, Ca THROW_TYPE_ERROR(); double t = LocalTime(self->date()); + CHECK_EXCEPTION(); if (std::isnan(t)) t = 0; double year = callData->argc ? callData->args[0].toNumber() : qt_qnan(); + CHECK_EXCEPTION(); double month = (callData->argc < 2) ? MonthFromTime(t) : callData->args[1].toNumber(); + CHECK_EXCEPTION(); double date = (callData->argc < 3) ? DateFromTime(t) : callData->args[2].toNumber(); + CHECK_EXCEPTION(); t = TimeClip(UTC(MakeDate(MakeDay(year, month, date), TimeWithinDay(t)))); self->setDate(t); scope.result = Encode(self->date()); -- cgit v1.2.3