Method delete

src/main/java/org/dynjs/runtime/DynObject.java:252–275

(ExecutionContext context, String name, boolean shouldThrow)

    }

    @Override
    public boolean delete(ExecutionContext context, String name, boolean shouldThrow) {
        // 8.12.7
        if (!this.properties.containsKey(name)) {
            return true;
        }
        Object d = getOwnProperty(context, name, false);
        if (d == Types.UNDEFINED) {
            return true;
        }

        PropertyDescriptor desc = (PropertyDescriptor) d;

        if (desc.isConfigurable()) {
            this.properties.remove(name);
            return true;
        }

        if (shouldThrow) {
            throw new ThrowException(context, context.createTypeError("cannot delete unconfigurable property '" + name + "'"));
        }

        return false;
    }

    @Override
    public Object defaultValue(ExecutionContext context, String hint) {