Method sort

rhino/src/main/java/org/mozilla/javascript/NativeArray.java:1137–1167

(Context cx, Scriptable o, Comparator<Object> comparator)

    }

    private static Scriptable sort(Context cx, Scriptable o, Comparator<Object> comparator) {
        long llength = getLengthProperty(cx, o);
        final int length = (int) llength;
        if (llength != length) {
            throw Context.reportRuntimeErrorById(
                    "msg.arraylength.too.big", String.valueOf(llength));
        }
        // copy the JS array into a working array, so it can be
        // sorted cheaply.
        final Object[] working = new Object[length];
        for (int i = 0; i != length; ++i) {
            working[i] = getRawElem(o, i);
        }

        // Java's 'Arrays.sort' is guaranteed to be stable so we can use it; however,
        // if the comparator is not consistent, it throws an IllegalArgumentException.
        // In case where the comparator is not consistent, the ECMAScript specification states
        // that sort order is implementation-defined, so we can just return the original array.
        try {
            Arrays.sort(working, comparator);
        } catch (IllegalArgumentException e) {
            return o;
        }

        // copy the working array back into thisObj
        for (int i = 0; i < length; ++i) {
            setRawElem(cx, o, i, working[i]);
        }

        return o;
    }

    private static Object js_push(
            Context cx, JSFunction f, Object nt, VarScope s, Object thisObj, Object[] args) {