public static EcmaValue ResolvedOptions([This] EcmaValue thisValue)
{
PluralRules rules = thisValue.GetUnderlyingObject <PluralRules>();
List <EcmaValue> categories = new List <EcmaValue>();
foreach (KeyValuePair <string, PluralCategories> e in StringValueMap <PluralCategories> .Default.Forward)
{
if ((rules.PluralCategories & e.Value) != 0)
{
categories.Add(e.Key);
}
}
EcmaObject obj = new EcmaObject();
obj.CreateDataPropertyOrThrow(PropertyKey.Locale, rules.Locale);
obj.CreateDataPropertyOrThrow(PropertyKey.PluralCategories, new EcmaArray(categories));
obj.CreateDataPropertyOrThrow(PropertyKey.Type, IntlProviderOptions.ToStringValue(rules.Type));
if (rules.Digits.UseSignificantDigits)
{
obj.CreateDataPropertyOrThrow(PropertyKey.MinimumSignificantDigits, rules.Digits.MinimumSignificantDigits);
obj.CreateDataPropertyOrThrow(PropertyKey.MaximumSignificantDigits, rules.Digits.MaximumSignificantDigits);
}
else
{
obj.CreateDataPropertyOrThrow(PropertyKey.MinimumIntegerDigits, rules.Digits.MinimumSignificantDigits);
obj.CreateDataPropertyOrThrow(PropertyKey.MinimumFractionDigits, rules.Digits.MinimumFractionDigits);
obj.CreateDataPropertyOrThrow(PropertyKey.MaximumFractionDigits, rules.Digits.MaximumFractionDigits);
}
return(obj);
}
public void Constructor(RuntimeFunction ctor)
{
IsConstructorWLength(ctor, "RegExp", 2, RegExp.Prototype);
It("should not throw TypeError when pattern has a [[RegExpMatcher]] internal slot", () => {
EcmaValue re = RegExp.Construct(RegExp.Construct(), "g");
That(re["global"], Is.EqualTo(true));
});
It("should return its input argument if ToBoolean(@@match) is true and constructor is RegExp", () => {
EcmaValue obj = new EcmaObject();
obj["constructor"] = RegExp;
obj[WellKnownSymbol.Match] = true;
Case((RegExp, obj), obj);
obj[WellKnownSymbol.Match] = "string";
Case((RegExp, obj), obj);
obj[WellKnownSymbol.Match] = new EcmaArray();
Case((RegExp, obj), obj);
obj[WellKnownSymbol.Match] = new Symbol();
Case((RegExp, obj), obj);
obj[WellKnownSymbol.Match] = 86;
Case((RegExp, obj), obj);
EcmaValue re1 = RegExp.Construct("(?:)");
re1[WellKnownSymbol.Match] = false;
Case((RegExp, re1), Is.Not.EqualTo(re1));
EcmaValue re2 = RegExp.Construct("(?:)");
re2["constructor"] = Null;
Case((RegExp, re2), Is.Not.EqualTo(re2));
});
private RuntimeObject EnsureObject(int index)
{
if (runtimeObjects[index] == null)
{
runtimeObjects[index] = new EcmaObject();
}
return(runtimeObjects[index]);
}
public EcmaValue ToValue()
{
EcmaObject obj = new EcmaObject();
obj.CreateDataPropertyOrThrow(PropertyKey.Type, IntlProviderOptions.ToStringValue(this.Type));
obj.CreateDataPropertyOrThrow(PropertyKey.Value, this.Value);
return(obj);
}
public static EcmaValue CreateObject(object anonymousObject)
{
EcmaValue obj = new EcmaObject();
foreach (PropertyInfo property in anonymousObject.GetType().GetProperties())
{
object value = property.GetValue(anonymousObject);
obj[property.Name] = new EcmaValue(value);
}
return(obj);
}
public static EcmaValue ResolvedOptions([This] EcmaValue thisValue)
{
RelativeTimeFormat formatter = thisValue.GetUnderlyingObject <RelativeTimeFormat>();
EcmaObject obj = new EcmaObject();
obj.CreateDataPropertyOrThrow(PropertyKey.Locale, formatter.Locale);
obj.CreateDataPropertyOrThrow(PropertyKey.Style, IntlProviderOptions.ToStringValue(formatter.Style));
obj.CreateDataPropertyOrThrow(PropertyKey.Numeric, IntlProviderOptions.ToStringValue(formatter.Numeric));
obj.CreateDataPropertyOrThrow(PropertyKey.NumberingSystem, formatter.NumberingSystem);
return(obj);
}
public static EcmaValue Revocable(EcmaValue target, EcmaValue handler)
{
Guard.ArgumentIsObject(target, InternalString.Error.TargetOrHandlerNotObject);
Guard.ArgumentIsObject(handler, InternalString.Error.TargetOrHandlerNotObject);
RuntimeObjectProxy proxy = new RuntimeObjectProxy(target.ToObject(), handler.ToObject());
EcmaObject result = new EcmaObject();
result.CreateDataProperty("proxy", proxy);
result.CreateDataProperty("revoke", new RuntimeObjectProxy.RevokeFunction(proxy));
return(result);
}
public void Species(RuntimeFunction species)
{
That(SharedArrayBuffer, Has.OwnProperty(WellKnownSymbol.Species, EcmaPropertyAttributes.Configurable));
That(SharedArrayBuffer.GetOwnProperty(WellKnownSymbol.Species).Set, Is.Undefined);
IsUnconstructableFunctionWLength(species, "get [Symbol.species]", 0);
Case(SharedArrayBuffer, Is.EqualTo(SharedArrayBuffer));
EcmaValue thisValue = new EcmaObject();
Case(thisValue, Is.EqualTo(thisValue));
}
public static EcmaValue ResolvedOptions([This] EcmaValue thisValue)
{
DateTimeFormat formatter = thisValue.GetUnderlyingObject <DateTimeFormat>();
DateTimePartStyles dateTimePartStyles = formatter.DateTimePartStyles;
EcmaObject obj = new EcmaObject();
obj.CreateDataPropertyOrThrow(PropertyKey.Locale, formatter.Locale);
obj.CreateDataPropertyOrThrow(PropertyKey.Calendar, formatter.Calendar);
obj.CreateDataPropertyOrThrow(PropertyKey.TimeZone, formatter.TimeZone);
obj.CreateDataPropertyOrThrow(PropertyKey.Hour12, formatter.Hour12);
obj.CreateDataPropertyOrThrow(PropertyKey.HourCycle, IntlProviderOptions.ToStringValue(formatter.HourCycle));
obj.CreateDataPropertyOrThrow(PropertyKey.FormatMatcher, IntlProviderOptions.ToStringValue(formatter.FormatMatcher));
if (dateTimePartStyles.Weekday != default)
{
obj.CreateDataPropertyOrThrow(PropertyKey.Weekday, IntlProviderOptions.ToStringValue(dateTimePartStyles.Weekday));
}
if (dateTimePartStyles.Era != default)
{
obj.CreateDataPropertyOrThrow(PropertyKey.Era, IntlProviderOptions.ToStringValue(dateTimePartStyles.Era));
}
if (dateTimePartStyles.Year != default)
{
obj.CreateDataPropertyOrThrow(PropertyKey.Year, IntlProviderOptions.ToStringValue(dateTimePartStyles.Year));
}
if (dateTimePartStyles.Month != default)
{
obj.CreateDataPropertyOrThrow(PropertyKey.Month, IntlProviderOptions.ToStringValue(dateTimePartStyles.Month));
}
if (dateTimePartStyles.Day != default)
{
obj.CreateDataPropertyOrThrow(PropertyKey.Day, IntlProviderOptions.ToStringValue(dateTimePartStyles.Day));
}
if (dateTimePartStyles.Hour != default)
{
obj.CreateDataPropertyOrThrow(PropertyKey.Hour, IntlProviderOptions.ToStringValue(dateTimePartStyles.Hour));
}
if (dateTimePartStyles.Minute != default)
{
obj.CreateDataPropertyOrThrow(PropertyKey.Minute, IntlProviderOptions.ToStringValue(dateTimePartStyles.Minute));
}
if (dateTimePartStyles.Second != default)
{
obj.CreateDataPropertyOrThrow(PropertyKey.Second, IntlProviderOptions.ToStringValue(dateTimePartStyles.Second));
}
if (dateTimePartStyles.TimeZoneName != default)
{
obj.CreateDataPropertyOrThrow(PropertyKey.TimeZoneName, IntlProviderOptions.ToStringValue(dateTimePartStyles.TimeZoneName));
}
return(obj);
}
public static EcmaValue ResolvedOptions([This] EcmaValue thisValue)
{
Collator collator = thisValue.GetUnderlyingObject <Collator>();
EcmaObject obj = new EcmaObject();
obj.CreateDataPropertyOrThrow(PropertyKey.Locale, collator.Locale);
obj.CreateDataPropertyOrThrow(PropertyKey.Usage, IntlProviderOptions.ToStringValue(collator.Usage));
obj.CreateDataPropertyOrThrow(PropertyKey.Sensitivity, IntlProviderOptions.ToStringValue(collator.Sensitivity));
obj.CreateDataPropertyOrThrow(PropertyKey.IgnorePunctuation, collator.IgnorePunctuation);
obj.CreateDataPropertyOrThrow(PropertyKey.Collation, collator.Collation);
obj.CreateDataPropertyOrThrow(PropertyKey.Numeric, collator.Numeric);
obj.CreateDataPropertyOrThrow(PropertyKey.CaseFirst, IntlProviderOptions.ToStringValue(collator.CaseFirst));
return(obj);
}
public void Catch(RuntimeFunction @catch)
{
IsUnconstructableFunctionWLength(@catch, "catch", 1);
IsAbruptedFromToObject(@catch);
That(Promise.Prototype, Has.OwnProperty("catch", @catch, EcmaPropertyAttributes.DefaultMethodProperty));
It("should invoke then method", () => {
EcmaValue target = new EcmaObject();
EcmaValue returnValue = new EcmaObject();
EcmaValue thisValue = Null;
EcmaValue args = Null;
target["then"] = Intercept((a, b) => {
thisValue = This;
args = Arguments;
return(returnValue);
});
Case((target, 1, 2, 3), returnValue, "Returns the result of the invocation of `then`");
That(Logs.Count, Is.EqualTo(1), "Invokes `then` method exactly once");
That(thisValue, Is.EqualTo(target), "Invokes `then` method with the instance as the `this` value");
That(args, Is.EquivalentTo(new[] { Undefined, 1 }));
using (TempProperty(Boolean.Prototype, "then", Intercept(_ => _))) {
Logs.Clear();
@catch.Call(true);
That(Logs.Count, Is.EqualTo(1));
}
using (TempProperty(Number.Prototype, "then", Intercept(_ => _))) {
Logs.Clear();
@catch.Call(34);
That(Logs.Count, Is.EqualTo(1));
}
using (TempProperty(String.Prototype, "then", Intercept(_ => _))) {
Logs.Clear();
@catch.Call("");
That(Logs.Count, Is.EqualTo(1));
}
using (TempProperty(Global.Symbol.Prototype, "then", Intercept(_ => _))) {
Logs.Clear();
@catch.Call(new Symbol());
That(Logs.Count, Is.EqualTo(1));
}
});
private RuntimeObject GetSharedObject(int i, int j)
{
if (i == 0 && j == 0)
{
return(null);
}
if (i >= sharedObjects.Length)
{
throw new ArgumentOutOfRangeException("index");
}
if (i >= intrinsics.Length && intrinsics.Length != sharedObjects.Length)
{
Array.Resize(ref intrinsics, sharedObjects.Length);
}
RuntimeObject[] arr = intrinsics[i];
if (arr == null)
{
arr = new RuntimeObject[sharedObjects[i].Length];
intrinsics[i] = arr;
}
if (j >= arr.Length)
{
throw new ArgumentOutOfRangeException("index");
}
RuntimeObject obj = arr[j];
if (obj == null)
{
if (this != sharedRealm)
{
obj = sharedObjects[i][j].CloneSlim(this);
objectHandles.Add(obj, new SharedObjectHandle(i, j));
}
else
{
obj = new EcmaObject();
}
arr[j] = obj;
}
return(obj);
}
public void Type()
{
It("should coerce native values to correct types", () => {
EcmaValue undefined = default;
EcmaValue nullValue = EcmaValue.Null;
EcmaValue stringValue = "abs";
EcmaValue intValue = 1;
EcmaValue doubleValue = 1d;
EcmaValue obj = new EcmaObject();
EcmaValue symbol = new EcmaValue(Symbol.Species);
EcmaValue numberObject = intValue.ToObject();
That(undefined.Type, Is.EqualTo(EcmaValueType.Undefined));
That(nullValue.Type, Is.EqualTo(EcmaValueType.Null));
That(stringValue.Type, Is.EqualTo(EcmaValueType.String));
That(intValue.Type, Is.EqualTo(EcmaValueType.Number));
That(doubleValue.Type, Is.EqualTo(EcmaValueType.Number));
That(obj.Type, Is.EqualTo(EcmaValueType.Object));
That(symbol.Type, Is.EqualTo(EcmaValueType.Symbol));
That(numberObject.Type, Is.EqualTo(EcmaValueType.Object));
});
}
public static EcmaValue ResolvedOptions([This] EcmaValue thisValue)
{
NumberFormat formatter = thisValue.GetUnderlyingObject <NumberFormat>();
EcmaObject obj = new EcmaObject();
obj.CreateDataPropertyOrThrow(PropertyKey.Locale, formatter.Locale);
obj.CreateDataPropertyOrThrow(PropertyKey.NumberingSystem, formatter.NumberingSystem);
obj.CreateDataPropertyOrThrow(PropertyKey.Style, IntlProviderOptions.ToStringValue(formatter.Style));
obj.CreateDataPropertyOrThrow(PropertyKey.Notation, IntlProviderOptions.ToStringValue(formatter.Notation));
obj.CreateDataPropertyOrThrow(PropertyKey.CompactDisplay, IntlProviderOptions.ToStringValue(formatter.CompactDisplay));
obj.CreateDataPropertyOrThrow(PropertyKey.SignDisplay, IntlProviderOptions.ToStringValue(formatter.SignDisplay));
obj.CreateDataPropertyOrThrow(PropertyKey.UseGrouping, formatter.UseGrouping);
switch (formatter.Style)
{
case NumberStyle.Currency:
obj.CreateDataPropertyOrThrow(PropertyKey.Currency, formatter.Currency);
obj.CreateDataPropertyOrThrow(PropertyKey.CurrencyDisplay, IntlProviderOptions.ToStringValue(formatter.CurrencyDisplay));
obj.CreateDataPropertyOrThrow(PropertyKey.CurrencySign, IntlProviderOptions.ToStringValue(formatter.CurrencySign));
break;
case NumberStyle.Unit:
obj.CreateDataPropertyOrThrow(PropertyKey.Unit, formatter.Unit);
obj.CreateDataPropertyOrThrow(PropertyKey.UnitDisplay, IntlProviderOptions.ToStringValue(formatter.UnitDisplay));
break;
}
if (formatter.Digits.UseSignificantDigits)
{
obj.CreateDataPropertyOrThrow(PropertyKey.MinimumSignificantDigits, formatter.Digits.MinimumSignificantDigits);
obj.CreateDataPropertyOrThrow(PropertyKey.MaximumSignificantDigits, formatter.Digits.MaximumSignificantDigits);
}
else
{
obj.CreateDataPropertyOrThrow(PropertyKey.MinimumIntegerDigits, formatter.Digits.MinimumSignificantDigits);
obj.CreateDataPropertyOrThrow(PropertyKey.MinimumFractionDigits, formatter.Digits.MinimumFractionDigits);
obj.CreateDataPropertyOrThrow(PropertyKey.MaximumFractionDigits, formatter.Digits.MaximumFractionDigits);
}
return(obj);
}
public void StructuredSerialize()
{
RuntimeRealm other = new RuntimeRealm();
It("should clone object with own non-symbol properties", () => {
EcmaValue obj = new EcmaObject();
obj["boolean"] = true;
obj["number"] = 1;
obj["string"] = "";
obj["circular"] = obj;
obj["booleanObj"] = Boolean.Construct(false);
obj["numberObj"] = Number.Construct(0);
obj["stringObj"] = String.Construct("");
obj[new Symbol()] = "foo";
Object.Invoke("defineProperty", obj, "foo", CreateObject(new { enumerable = true, value = 1 }));
Object.Invoke("defineProperty", obj, "bar", CreateObject(new { enumerable = true, get = FunctionLiteral(() => 0) }));
Object.Invoke("defineProperty", obj, "baz", CreateObject(new { enumerable = false, value = 1 }));
other.Execute(() => {
EcmaValue clone = obj.ToObject().Clone(other);
That(clone != obj);
That(Object.Invoke("getPrototypeOf", clone), Is.EqualTo(Object.Prototype), "prototype is derived from target realm");
That(clone["boolean"], Is.EqualTo(true));
That(clone["number"], Is.EqualTo(1));
That(clone["string"], Is.EqualTo(""));
That(clone["booleanObj"], Is.InstanceOf(Boolean), "Boolean object is copied");
That(clone["numberObj"], Is.InstanceOf(Number), "Number object is copied");
That(clone["stringObj"], Is.InstanceOf(String), "String object is copied");
That(clone["circular"], Is.EqualTo(clone), "circular reference is preserved");
That(clone, Has.OwnProperty("foo", 1, EcmaPropertyAttributes.DefaultDataProperty), "non-writable and non-configurable flag is not copied");
That(clone, Has.OwnProperty("bar", 0, EcmaPropertyAttributes.DefaultDataProperty), "accessor is copied as data");
That(Object.Invoke("getOwnPropertyDescriptor", clone, "baz"), Is.Undefined, "non-enumerable property is not copied");
That(Object.Invoke("getOwnPropertySymbols", clone)["length"], Is.Zero, "symbol property is not copied");
});
});
It("should not clone prototype chain", () => {
EcmaValue obj = new EcmaObject();
EcmaValue customProto = Object.Invoke("create", obj);
obj["foo"] = "bar";
Assume.That(Object.Invoke("getPrototypeOf", customProto), Is.EqualTo(obj));
Assume.That(customProto["foo"], Is.EqualTo("bar"));
other.Execute(() => {
EcmaValue clone = customProto.ToObject().Clone(other);
That(clone != customProto);
That(Object.Invoke("getPrototypeOf", clone), Is.EqualTo(Object.Prototype), "prototype chain is ignored");
That(Object.Invoke("getOwnPropertyNames", clone)["length"], Is.Zero, "inherited properties are not copied");
That(clone["foo"], Is.Undefined);
});
});
It("should throw if property values are not cloneable", () => {
EcmaValue poisoned = new EcmaObject();
poisoned["foo"] = new Symbol();
other.Execute(() => {
That(() => poisoned.ToObject().Clone(other), Throws.Exception, "symbol value causes exception");
});
});
It("should shallow clone primitive objects", () => {
EcmaValue boolObj = Boolean.Construct(false);
EcmaValue numObj = Number.Construct(0);
EcmaValue strObj = String.Construct("");
boolObj["foo"] = 1;
numObj["foo"] = 1;
strObj["foo"] = 1;
Assume.That(Object.Invoke("getOwnPropertyNames", boolObj)["length"], Is.EqualTo(1));
Assume.That(Object.Invoke("getOwnPropertyNames", numObj)["length"], Is.EqualTo(1));
Assume.That(Object.Invoke("getOwnPropertyNames", strObj)["length"], Is.EqualTo(1));
other.Execute(() => {
EcmaValue cboolObj = boolObj.ToObject().Clone(other);
That(cboolObj, Is.TypeOf("object"));
That(Object.Invoke("getOwnPropertyNames", cboolObj)["length"], Is.Zero);
EcmaValue cnumObj = numObj.ToObject().Clone(other);
That(cnumObj, Is.TypeOf("object"));
That(Object.Invoke("getOwnPropertyNames", cnumObj)["length"], Is.Zero);
EcmaValue cstrObj = strObj.ToObject().Clone(other);
That(cstrObj, Is.TypeOf("object"));
That(Object.Invoke("getOwnPropertyNames", cstrObj)["length"], Is.Zero);
});
});
It("should shallow clone Date object", () => {
EcmaValue date = Date.Construct(2020, 0, 1);
EcmaValue ts = +date;
date["foo"] = 1;
other.Execute(() => {
EcmaValue clone = date.ToObject().Clone(other);
That(clone, Is.InstanceOf(Date));
That(+clone, Is.EqualTo(ts));
That(Object.Invoke("getOwnPropertyDescriptor", clone, "foo"), Is.Undefined);
});
});
It("should deeply clone [[MapData]]", () => {
EcmaValue map = Map.Construct();
map.Invoke("set", map, map);
map.Invoke("set", "bar", "baz");
map["foo"] = 1;
other.Execute(() => {
EcmaValue clone = map.ToObject().Clone(other);
That(clone, Is.InstanceOf(Map));
That(clone.Invoke("get", clone), Is.EqualTo(clone));
That(Object.Invoke("getOwnPropertyDescriptor", clone, "foo"), Is.Undefined, "own property is not copied");
clone.Invoke("set", map, 1);
clone.Invoke("delete", "bar");
clone.Invoke("set", "baz", true);
});
That(map.Invoke("get", map), Is.EqualTo(map), "original value is unchanged");
That(map.Invoke("get", "bar"), Is.EqualTo("baz"), "original entry is not deleted");
That(map.Invoke("has", "baz"), Is.False, "key added in clone is not added in original map");
});
It("should deeply clone [[SetData]]", () => {
EcmaValue set = Set.Construct();
set.Invoke("add", set);
set.Invoke("add", true);
set["foo"] = 1;
other.Execute(() => {
EcmaValue clone = set.ToObject().Clone(other);
That(clone, Is.InstanceOf(Set));
That(clone.Invoke("has", clone), Is.True);
That(Object.Invoke("getOwnPropertyDescriptor", clone, "foo"), Is.Undefined, "own property is not copied");
clone.Invoke("delete", true);
clone.Invoke("add", false);
});
That(set.Invoke("has", true), Is.True);
That(set.Invoke("has", false), Is.False);
});
It("should clone [[ArrayBufferData]] with same byte contents", () => {
EcmaValue buffer = Global.ArrayBuffer.Construct(4);
EcmaValue view = Global.Uint8Array.Construct(buffer);
view[1] = 1;
view[2] = 2;
view[3] = 3;
buffer["foo"] = 1;
other.Execute(() => {
EcmaValue clone = buffer.ToObject().Clone(other);
EcmaValue cloneView = Global.Uint8Array.Construct(clone);
That(cloneView, Is.EquivalentTo(new[] { 0, 1, 2, 3 }));
That(Object.Invoke("getOwnPropertyDescriptor", clone, "foo"), Is.Undefined, "own property is not copied");
cloneView[0] = 42;
});
That(view, Is.EquivalentTo(new[] { 0, 1, 2, 3 }));
});
It("should clone [[ArrayBufferData]] with same data block if it is shared", () => {
EcmaValue buffer = Global.SharedArrayBuffer.Construct(4);
EcmaValue view = Global.Uint8Array.Construct(buffer);
view[1] = 1;
view[2] = 2;
view[3] = 3;
buffer["foo"] = 1;
other.Execute(() => {
EcmaValue clone = buffer.ToObject().Clone(other);
EcmaValue cloneView = Global.Uint8Array.Construct(clone);
That(cloneView, Is.EquivalentTo(new[] { 0, 1, 2, 3 }));
That(Object.Invoke("getOwnPropertyDescriptor", clone, "foo"), Is.Undefined, "own property is not copied");
cloneView[0] = 42;
});
That(view, Is.EquivalentTo(new[] { 42, 1, 2, 3 }));
});
It("should clone [[ViewedArrayBuffer]] with same byte contents", () => {
EcmaValue buffer = Global.ArrayBuffer.Construct(4);
EcmaValue view = Global.Uint8Array.Construct(buffer);
view[1] = 1;
view[2] = 2;
view[3] = 3;
view["foo"] = 1;
other.Execute(() => {
EcmaValue cloneView = view.ToObject().Clone(other);
That(cloneView, Is.EquivalentTo(new[] { 0, 1, 2, 3 }));
That(Object.Invoke("getOwnPropertyDescriptor", cloneView, "foo"), Is.Undefined, "own property is not copied");
cloneView[0] = 42;
});
That(view, Is.EquivalentTo(new[] { 0, 1, 2, 3 }));
});
It("should clone [[ViewedArrayBuffer]] with same data block if it is shared", () => {
EcmaValue buffer = Global.SharedArrayBuffer.Construct(4);
EcmaValue view = Global.Uint8Array.Construct(buffer);
view[1] = 1;
view[2] = 2;
view[3] = 3;
view["foo"] = 1;
other.Execute(() => {
EcmaValue cloneView = view.ToObject().Clone(other);
That(cloneView, Is.EquivalentTo(new[] { 0, 1, 2, 3 }));
That(Object.Invoke("getOwnPropertyDescriptor", cloneView, "foo"), Is.Undefined, "own property is not copied");
cloneView[0] = 42;
});
That(view, Is.EquivalentTo(new[] { 42, 1, 2, 3 }));
});
It("should throw if object is callable", () => {
EcmaValue fn = FunctionLiteral(Noop);
That(() => fn.ToObject().Clone(other), Throws.Exception);
});
It("should throw if object has other internal slots", () => {
EcmaValue symObj = Object.Construct(new Symbol());
That(() => symObj.ToObject().Clone(other), Throws.Exception);
});
It("should detach array buffer if it is in the transfer list", () => {
EcmaValue buffer = Global.ArrayBuffer.Construct(4);
EcmaValue view = Global.Uint8Array.Construct(buffer);
view[1] = 1;
view[2] = 2;
view[3] = 3;
other.Execute(() => {
EcmaValue clone = buffer.ToObject().Clone(other, buffer.ToObject());
EcmaValue cloneView = Global.Uint8Array.Construct(clone);
That(cloneView, Is.EquivalentTo(new[] { 0, 1, 2, 3 }));
});
That(() => view[1], Throws.TypeError);
});
It("should throw if object in transfer list is not transferable", () => {
EcmaValue buffer = Global.ArrayBuffer.Construct(4);
That(() => buffer.ToObject().Clone(other, new EcmaObject()), Throws.Exception);
});
It("should throw if array buffer in transfer list is detached", () => {
EcmaValue buffer = Global.ArrayBuffer.Construct(4);
EcmaValue detached = Global.ArrayBuffer.Construct(4);
DetachBuffer(detached);
That(() => buffer.ToObject().Clone(other, detached.ToObject()), Throws.Exception);
});
}
public void HasOwnProperty(RuntimeFunction hasOwnProperty)
{
IsUnconstructableFunctionWLength(hasOwnProperty, "hasOwnProperty", 1);
IsAbruptedFromToObject(hasOwnProperty);
Case((new EcmaObject(), "foo"), false);
Case((CreateObject(("foo", 42)), "foo"), true);
Case((Object.Invoke("create", CreateObject(("foo", 42))), "foo"), false);
Symbol sym = new Symbol();
EcmaValue returnSym = FunctionLiteral(() => sym);
Case((CreateObject((sym, 42)), sym), true);
Case((CreateObject((sym, 42)), CreateObject((Symbol.ToPrimitive, returnSym))), true);
Case((CreateObject((sym, 42)), CreateObject(("toString", returnSym), ("valueOf", Null))), true);
Case((CreateObject((sym, 42)), CreateObject(("valueOf", returnSym), ("toString", Null))), true);
EcmaValue o;
o = FunctionLiteral(() => Void(This.ToObject()["foo"] = 42)).Construct();
Case((o, "foo"), true);
o = new EcmaObject();
DefineProperty(o, "foo", value: 42);
Case((o, "foo"), true);
o = new EcmaObject();
DefineProperty(o, "foo", value: 42, enumerable: true);
Case((o, "foo"), true);
Case((Object.Invoke("create", o), "foo"), false);
o = new EcmaObject();
DefineProperty(o, "foo", value: 42, configurable: true);
Case((o, "foo"), true);
Case((Object.Invoke("create", o), "foo"), false);
o = new EcmaObject();
DefineProperty(o, "foo", value: 42, writable: true);
Case((o, "foo"), true);
Case((Object.Invoke("create", o), "foo"), false);
o = new EcmaObject();
DefineProperty(o, "foo", value: 42, enumerable: true, configurable: true);
Case((o, "foo"), true);
Case((Object.Invoke("create", o), "foo"), false);
o = new EcmaObject();
DefineProperty(o, "foo", value: 42, enumerable: true, writable: true);
Case((o, "foo"), true);
Case((Object.Invoke("create", o), "foo"), false);
o = new EcmaObject();
DefineProperty(o, "foo", value: 42, configurable: true, writable: true);
Case((o, "foo"), true);
Case((Object.Invoke("create", o), "foo"), false);
o = new EcmaObject();
DefineProperty(o, "foo", value: 42, configurable: true, enumerable: true, writable: true);
Case((o, "foo"), true);
Case((Object.Invoke("create", o), "foo"), false);
o = new EcmaObject();
DefineProperty(o, "foo", get: () => 42);
Case((o, "foo"), true);
Case((Object.Invoke("create", o), "foo"), false);
o = new EcmaObject();
DefineProperty(o, "foo", set: _ => 42);
Case((o, "foo"), true);
Case((Object.Invoke("create", o), "foo"), false);
o = new EcmaObject();
DefineProperty(o, "foo", get: () => 42, set: _ => 42);
Case((o, "foo"), true);
Case((Object.Invoke("create", o), "foo"), false);
o = new EcmaObject();
DefineProperty(o, "foo", get: () => 42, enumerable: true);
Case((o, "foo"), true);
Case((Object.Invoke("create", o), "foo"), false);
o = new EcmaObject();
DefineProperty(o, "foo", set: _ => 42, enumerable: true);
Case((o, "foo"), true);
Case((Object.Invoke("create", o), "foo"), false);
o = new EcmaObject();
DefineProperty(o, "foo", get: () => 42, set: _ => 42, enumerable: true);
Case((o, "foo"), true);
Case((Object.Invoke("create", o), "foo"), false);
o = new EcmaObject();
DefineProperty(o, "foo", get: () => 42, configurable: true);
Case((o, "foo"), true);
Case((Object.Invoke("create", o), "foo"), false);
o = new EcmaObject();
DefineProperty(o, "foo", set: _ => 42, configurable: true);
Case((o, "foo"), true);
Case((Object.Invoke("create", o), "foo"), false);
o = new EcmaObject();
DefineProperty(o, "foo", get: () => 42, set: _ => 42, configurable: true);
Case((o, "foo"), true);
Case((Object.Invoke("create", o), "foo"), false);
o = new EcmaObject();
DefineProperty(o, "foo", get: () => 42, configurable: true, enumerable: true);
Case((o, "foo"), true);
Case((Object.Invoke("create", o), "foo"), false);
o = new EcmaObject();
DefineProperty(o, "foo", set: _ => 42, configurable: true, enumerable: true);
Case((o, "foo"), true);
Case((Object.Invoke("create", o), "foo"), false);
o = new EcmaObject();
DefineProperty(o, "foo", get: () => 42, set: _ => 42, configurable: true, enumerable: true);
Case((o, "foo"), true);
Case((Object.Invoke("create", o), "foo"), false);
}
public static EcmaValue SetPrototypeOf([This] EcmaValue thisValue, EcmaValue proto)
{
return(EcmaObject.SetPrototypeOf(thisValue, proto));
}
public static EcmaValue GetPrototypeOf([This] EcmaValue thisValue)
{
return(EcmaObject.GetPrototypeOf(thisValue));
}
public static EcmaValue ResolvedOptions([This] EcmaValue thisValue)
{
ListFormat formatter = thisValue.GetUnderlyingObject <ListFormat>(); EcmaObject obj = new EcmaObject();
obj.CreateDataPropertyOrThrow(PropertyKey.Locale, formatter.Locale);
obj.CreateDataPropertyOrThrow(PropertyKey.Style, IntlProviderOptions.ToStringValue(formatter.Style));
obj.CreateDataPropertyOrThrow(PropertyKey.Type, IntlProviderOptions.ToStringValue(formatter.Type));
return(obj);
}
public void ToString(RuntimeFunction toString)
{
IsUnconstructableFunctionWLength(toString, "toString", 0);
EcmaValue obj = new EcmaObject();
DefineProperty(obj, Symbol.ToStringTag, get: ThrowTest262Exception);
Case(obj, Throws.Test262);
EcmaValue args = default;
FunctionLiteral(() => args = Arguments).Call();
Case(args, "[object Arguments]");
Case(new EcmaArray(), "[object Array]");
Case(true, "[object Boolean]");
Case(Boolean.Call(_, true), "[object Boolean]");
Case(Boolean.Construct(true), "[object Boolean]");
Case(Object.Call(_, true), "[object Boolean]");
Case(Object.Call(_, Boolean.Call(true)), "[object Boolean]");
Case(Object.Call(_, Boolean.Construct(true)), "[object Boolean]");
Case(new EcmaDate(), "[object Date]");
Case(Object.Call(_, new EcmaDate()), "[object Date]");
Case(FunctionLiteral(() => Undefined), "[object Function]");
Case(Null, "[object Null]");
Case(42, "[object Number]");
Case(Number.Call(_, 42), "[object Number]");
Case(Number.Construct(42), "[object Number]");
Case(Object.Call(_, 42), "[object Number]");
Case(Object.Call(_, Number.Call(42)), "[object Number]");
Case(Object.Call(_, Number.Construct(42)), "[object Number]");
Case(Object.Prototype, "[object Object]");
Case(new EcmaObject(), "[object Object]");
Case(RegExp.Construct("."), "[object RegExp]");
Case("", "[object String]");
Case(String.Call(_, ""), "[object String]");
Case(String.Construct(""), "[object String]");
Case(Object.Call(_, ""), "[object String]");
Case(Object.Call(_, String.Call("")), "[object String]");
Case(Object.Call(_, String.Construct("")), "[object String]");
Case(Undefined, "[object Undefined]");
Case(Proxy.Construct(Array.Construct(), Object.Construct()), "[object Array]");
// Non-string values of `@@toStringTag` property are ignored
Case(CreateObject((Symbol.ToStringTag, Undefined)), "[object Object]");
Case(CreateObject((Symbol.ToStringTag, Null)), "[object Object]");
Case(CreateObject((Symbol.ToStringTag, Symbol.ToStringTag)), "[object Object]");
Case(CreateObject((Symbol.ToStringTag, 42)), "[object Object]");
Case(CreateObject((Symbol.ToStringTag, String.Construct(""))), "[object Object]");
Case(CreateObject((Symbol.ToStringTag, new EcmaObject())), "[object Object]");
Case(CreateObject((Symbol.ToStringTag, FunctionLiteral(() => ""))), "[object Object]");
}