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add truth test #5

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21 changes: 19 additions & 2 deletions browsermodule.c
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Original file line number Diff line number Diff line change
Expand Up @@ -331,8 +331,7 @@ Object_str(Object *self) {
/**
* Implements len().
*/
static Py_ssize_t
Object_length(Object *self) {
static int get_len(Object *self) {
int len = EM_ASM_INT({
var val = Emval.toValue($0);
if (val[Symbol.iterator] && val.length !== undefined) {
Expand All @@ -342,7 +341,12 @@ Object_length(Object *self) {
return -1;
}
}, self->handle);
return len;
}

static Py_ssize_t
Object_length(Object *self) {
int len = get_len(self);
if (len >= 0) {
return len;
}
Expand Down Expand Up @@ -517,6 +521,18 @@ Object_dir(Object *self, PyObject *noarg) {
}, self->handle));
}

/**
* Implements truth test.
*/
static int
Object_as_bool(PyObject *self) {
return (int)(get_len((Object*)self) != 0 );
}

static PyNumberMethods Object_as_number = {
.nb_bool = Object_as_bool,
};

static PyAsyncMethods Object_async = {
.am_await = (unaryfunc)Object_await,
};
Expand Down Expand Up @@ -551,6 +567,7 @@ static PyTypeObject Object_Type = {
.tp_iter = (getiterfunc)Object_iter,
.tp_iternext = (iternextfunc)Object_next,
.tp_methods = Object_methods,
.tp_as_number = &Object_as_number,
.tp_new = PyType_GenericNew,
};

Expand Down