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1. implement Array.prototype.every

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2. exclude useless test in test262

Signed-off-by: seonghyun kim <sh8281.kim@samsung.com>
This commit is contained in:
seonghyun kim 2016-12-22 13:33:48 +09:00
commit a7c88abf44
5 changed files with 238 additions and 3 deletions
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52
src/runtime/GlobalObjectBuiltinArray.cpp
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@ -313,6 +313,56 @@ static Value builtinArrayForEach(ExecutionState& state, Value thisValue, size_t
return Value();
}
static Value builtinArrayEvery(ExecutionState& state, Value thisValue, size_t argc, Value* argv, bool isNewExpression)
{
RESOLVE_THIS_BINDING_TO_OBJECT(O, Array, forEach);
// Let lenValue be the result of calling the [[Get]] internal method of O with the argument "length".
// Let len be ToUint32(lenValue).
uint32_t len = O->length(state);
// If IsCallable(callbackfn) is false, throw a TypeError exception.
Value callbackfn = argv[0];
if (!callbackfn.isFunction()) {
ErrorObject::throwBuiltinError(state, ErrorObject::TypeError, state.context()->staticStrings().Array.string(), true,
state.context()->staticStrings().every.string(), errorMessage_GlobalObject_CallbackNotCallable);
}
// If thisArg was supplied, let T be thisArg; else let T be undefined.
Value T;
if (argc > 1)
T = argv[1];
// Let k be 0.
uint32_t k = 0;
while (k < len) {
// Let Pk be ToString(k).
Value pk(k);
// Let kPresent be the result of calling the [[HasProperty]] internal method of O with argument Pk.
bool kPresent = O->hasProperty(state, ObjectPropertyName(state, pk));
// If kPresent is true, then
if (kPresent) {
// Let kValue be the result of calling the [[Get]] internal method of O with argument Pk.
Value kValue = O->get(state, ObjectPropertyName(state, pk), O).value(state, O);
// Let testResult be the result of calling the [[Call]] internal method of callbackfn with T as the this value and argument list containing kValue, k, and O.
Value args[] = { kValue, Value(k), O };
Value testResult = callbackfn.asFunction()->call(state, T, 3, args);
if (!testResult.toBoolean(state)) {
return Value(false);
}
// Increae k by 1.
k++;
} else {
k = Object::nextIndexForward(state, O, k, len, false);
}
}
return Value(true);
}
void GlobalObject::installArray(ExecutionState& state)
{
m_array = new FunctionObject(state, NativeFunctionInfo(state.context()->staticStrings().Array, builtinArrayConstructor, 1, [](ExecutionState& state, size_t argc, Value* argv) -> Object* {
@ -337,6 +387,8 @@ void GlobalObject::installArray(ExecutionState& state)
ObjectPropertyDescriptor(new FunctionObject(state, NativeFunctionInfo(state.context()->staticStrings().splice, builtinArraySplice, 2, nullptr, NativeFunctionInfo::Strict)), (ObjectPropertyDescriptor::PresentAttribute)(ObjectPropertyDescriptor::WritablePresent | ObjectPropertyDescriptor::ConfigurablePresent)));
m_arrayPrototype->defineOwnPropertyThrowsException(state, ObjectPropertyName(state.context()->staticStrings().slice),
ObjectPropertyDescriptor(new FunctionObject(state, NativeFunctionInfo(state.context()->staticStrings().slice, builtinArraySlice, 2, nullptr, NativeFunctionInfo::Strict)), (ObjectPropertyDescriptor::PresentAttribute)(ObjectPropertyDescriptor::WritablePresent | ObjectPropertyDescriptor::ConfigurablePresent)));
m_arrayPrototype->defineOwnPropertyThrowsException(state, ObjectPropertyName(state.context()->staticStrings().every),
ObjectPropertyDescriptor(new FunctionObject(state, NativeFunctionInfo(state.context()->staticStrings().every, builtinArrayEvery, 1, nullptr, NativeFunctionInfo::Strict)), (ObjectPropertyDescriptor::PresentAttribute)(ObjectPropertyDescriptor::WritablePresent | ObjectPropertyDescriptor::ConfigurablePresent)));
m_arrayPrototype->defineOwnPropertyThrowsException(state, ObjectPropertyName(state.context()->staticStrings().toString),
ObjectPropertyDescriptor(new FunctionObject(state, NativeFunctionInfo(state.context()->staticStrings().toString, builtinArrayToString, 0, nullptr, NativeFunctionInfo::Strict)), (ObjectPropertyDescriptor::PresentAttribute)(ObjectPropertyDescriptor::WritablePresent | ObjectPropertyDescriptor::ConfigurablePresent)));