@Test
public void testSplitString() {
JSObject result = (JSObject) eval("'bob,lance,qmx'.split(',')");
assertThat(result.get(getContext(), "length")).isEqualTo(3L);
assertThat(result.get(getContext(), "0")).isEqualTo("bob");
assertThat(result.get(getContext(), "1")).isEqualTo("lance");
assertThat(result.get(getContext(), "2")).isEqualTo("qmx");
}
@Override
public Object call(ExecutionContext context, Object self, Object... args) {
// 15.4.4.8
JSObject o = Types.toObject(context, self);
long len = Types.toUint32(context, o.get(context, "length"));
long middle = (long) Math.floor(len / 2);
long lower = 0;
while (lower != middle) {
long upper = len - lower - 1;
Object lowerValue = o.get(context, "" + lower);
Object upperValue = o.get(context, "" + upper);
boolean lowerExists = o.hasProperty(context, "" + lower);
boolean upperExists = o.hasProperty(context, "" + upper);
if (lowerExists && upperExists) {
o.put(context, "" + lower, upperValue, true);
o.put(context, "" + upper, lowerValue, true);
} else if (upperExists) {
o.put(context, "" + lower, upperValue, true);
o.delete(context, "" + upper, true);
} else if (lowerExists) {
o.put(context, "" + upper, lowerValue, true);
o.delete(context, "" + lower, true);
} else {
// no action required
}
++lower;
}
return o;
}
public void initialize(GlobalObject globalObject, JSObject proto) {
// String.foo()
defineNonEnumerableProperty(this, "fromCharCode", new FromCharCode(globalObject));
// String.prototype.foo()
proto.setPrototype(globalObject.getPrototypeFor("Object"));
defineNonEnumerableProperty(proto, "constructor", this);
defineNonEnumerableProperty(proto, "toString", new ToString(globalObject));
defineNonEnumerableProperty(proto, "valueOf", new ValueOf(globalObject));
defineNonEnumerableProperty(proto, "charAt", new CharAt(globalObject));
defineNonEnumerableProperty(proto, "charCodeAt", new CharCodeAt(globalObject));
defineNonEnumerableProperty(proto, "concat", new Concat(globalObject));
defineNonEnumerableProperty(proto, "indexOf", new IndexOf(globalObject));
defineNonEnumerableProperty(proto, "lastIndexOf", new LastIndexOf(globalObject));
defineNonEnumerableProperty(proto, "localeCompare", new LocaleCompare(globalObject));
defineNonEnumerableProperty(proto, "match", new Match(globalObject));
defineNonEnumerableProperty(proto, "search", new Search(globalObject));
defineNonEnumerableProperty(proto, "slice", new Slice(globalObject));
defineNonEnumerableProperty(proto, "split", new Split(globalObject));
defineNonEnumerableProperty(proto, "substring", new Substring(globalObject));
defineNonEnumerableProperty(
proto, "substr", new Substr(globalObject)); // Alias, 'cause node likes this
defineNonEnumerableProperty(proto, "toLowerCase", new ToLowerCase(globalObject));
defineNonEnumerableProperty(proto, "toUpperCase", new ToUpperCase(globalObject));
defineNonEnumerableProperty(proto, "toLocaleLowerCase", new ToLocaleLowerCase(globalObject));
defineNonEnumerableProperty(proto, "toLocaleUpperCase", new ToLocaleUpperCase(globalObject));
defineNonEnumerableProperty(proto, "trim", new Trim(globalObject));
defineNonEnumerableProperty(
proto, "replace", new Replace(globalObject)); // http://es5.github.com/#x15.5.4.11
}
protected static void defineReadOnlyFunction(
final JSObject on, final GlobalObject globalObject, String name, final Object value) {
PropertyDescriptor desc = new PropertyDescriptor();
desc.set(Names.VALUE, value);
desc.set(Names.WRITABLE, false);
desc.set(Names.ENUMERABLE, false);
desc.set(Names.CONFIGURABLE, false);
on.defineOwnProperty(null, name, desc, false);
}
@Override
public void initialize(GlobalObject globalObject, JSObject proto) {
proto.setPrototype(globalObject.getPrototypeFor("Object"));
defineNonEnumerableProperty(proto, "constructor", this);
defineNonEnumerableProperty(proto, "toString", new ToString(globalObject));
defineNonEnumerableProperty(proto, "apply", new Apply(globalObject));
defineNonEnumerableProperty(proto, "call", new Call(globalObject));
defineNonEnumerableProperty(proto, "bind", new Bind(globalObject));
}
@Override
public Object call(ExecutionContext context, Object self, Object... args) {
JSObject o = Types.toObject(context, self);
Object tv = Types.toPrimitive(context, o, "Number");
if (tv instanceof Number) {
if (Double.isInfinite(((Number) tv).doubleValue())) {
return Types.NULL;
}
}
Object toISO = o.get(context, "toISOString");
if (!(toISO instanceof JSFunction)) {
throw new ThrowException(context, context.createTypeError("toISOString must be a function"));
}
return context.call((JSFunction) toISO, o);
}
@Override
public void initialize(GlobalObject globalObject, JSObject proto) {
proto.setPrototype(globalObject.getPrototypeFor("Object"));
defineNonEnumerableProperty(proto, "constructor", this);
defineNonEnumerableProperty(proto, "toString", new ToString(globalObject));
defineNonEnumerableProperty(proto, "toLocaleString", new ToString(globalObject));
defineNonEnumerableProperty(proto, "valueOf", new ValueOf(globalObject));
defineNonEnumerableProperty(proto, "toFixed", new ToFixed(globalObject));
defineNonEnumerableProperty(proto, "toExponential", new ToExponential(globalObject));
defineNonEnumerableProperty(proto, "toPrecision", new ToPrecision(globalObject));
defineReadOnlyProperty(this, globalObject, "NaN", Double.NaN);
defineReadOnlyProperty(this, globalObject, "POSITIVE_INFINITY", Double.POSITIVE_INFINITY);
defineReadOnlyProperty(this, globalObject, "NEGATIVE_INFINITY", Double.NEGATIVE_INFINITY);
defineReadOnlyProperty(this, globalObject, "MIN_VALUE", Double.MIN_VALUE);
defineReadOnlyProperty(this, globalObject, "MAX_VALUE", Double.MAX_VALUE);
defineReadOnlyProperty(globalObject, globalObject, "NaN", Double.NaN);
defineReadOnlyProperty(globalObject, globalObject, "Infinity", Double.POSITIVE_INFINITY);
}
@Override
public Object call(ExecutionContext context, Object self, Object... args) {
// 15.4.4.10
JSObject o = Types.toObject(context, self);
JSObject a = BuiltinArray.newArray(context);
long len = Types.toUint32(context, o.get(context, "length"));
long relativeStart = Types.toInteger(context, args[0]);
long k = Math.min(relativeStart, len);
if (relativeStart < 0) {
k = Math.max(len + relativeStart, 0);
}
long relativeEnd = len;
if (args[1] != Types.UNDEFINED) {
relativeEnd = Types.toInteger(context, args[1]);
}
long finalPos = Math.min(relativeEnd, len);
if (relativeEnd < 0) {
finalPos = Math.max(len + relativeEnd, 0);
}
long n = 0;
while (k < finalPos) {
boolean kPresent = o.hasProperty(context, "" + k);
if (kPresent) {
final Object kValue = o.get(context, "" + k);
a.defineOwnProperty(
context,
"" + n,
PropertyDescriptor.newDataPropertyDescriptor(kValue, true, true, true),
false);
}
++k;
++n;
}
return a;
}
