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#include <js_native_api.h>
#include "../common.h"
#include "../entry_point.h"
static napi_value TestCreateFunctionParameters(napi_env env,
napi_callback_info info) {
napi_status status;
napi_value result, return_value;
NODE_API_CALL(env, napi_create_object(env, &return_value));
status = napi_create_function(NULL,
"TrackedFunction",
NAPI_AUTO_LENGTH,
TestCreateFunctionParameters,
NULL,
&result);
add_returned_status(env,
"envIsNull",
return_value,
"Invalid argument",
napi_invalid_arg,
status);
napi_create_function(env,
NULL,
NAPI_AUTO_LENGTH,
TestCreateFunctionParameters,
NULL,
&result);
add_last_status(env, "nameIsNull", return_value);
napi_create_function(env,
"TrackedFunction",
NAPI_AUTO_LENGTH,
NULL,
NULL,
&result);
add_last_status(env, "cbIsNull", return_value);
napi_create_function(env,
"TrackedFunction",
NAPI_AUTO_LENGTH,
TestCreateFunctionParameters,
NULL,
NULL);
add_last_status(env, "resultIsNull", return_value);
return return_value;
}
static napi_value TestCallFunction(napi_env env, napi_callback_info info) {
size_t argc = 10;
napi_value args[10];
NODE_API_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
NODE_API_ASSERT(env, argc > 0, "Wrong number of arguments");
napi_valuetype valuetype0;
NODE_API_CALL(env, napi_typeof(env, args[0], &valuetype0));
NODE_API_ASSERT(env, valuetype0 == napi_function,
"Wrong type of arguments. Expects a function as first argument.");
napi_value* argv = args + 1;
argc = argc - 1;
napi_value global;
NODE_API_CALL(env, napi_get_global(env, &global));
napi_value result;
NODE_API_CALL(env, napi_call_function(env, global, args[0], argc, argv, &result));
return result;
}
static napi_value TestFunctionName(napi_env env, napi_callback_info info) {
return NULL;
}
static void finalize_function(napi_env env, void* data, void* hint) {
napi_ref ref = data;
// Retrieve the JavaScript undefined value.
napi_value undefined;
NODE_API_CALL_RETURN_VOID(env, napi_get_undefined(env, &undefined));
// Retrieve the JavaScript function we must call.
napi_value js_function;
NODE_API_CALL_RETURN_VOID(env, napi_get_reference_value(env, ref, &js_function));
// Call the JavaScript function to indicate that the generated JavaScript
// function is about to be gc-ed.
NODE_API_CALL_RETURN_VOID(env,
napi_call_function(env, undefined, js_function, 0, NULL, NULL));
// Destroy the persistent reference to the function we just called so as to
// properly clean up.
NODE_API_CALL_RETURN_VOID(env, napi_delete_reference(env, ref));
}
static napi_value MakeTrackedFunction(napi_env env, napi_callback_info info) {
size_t argc = 1;
napi_value js_finalize_cb;
napi_valuetype arg_type;
// Retrieve and validate from the arguments the function we will use to
// indicate to JavaScript that the function we are about to create is about to
// be gc-ed.
NODE_API_CALL(env,
napi_get_cb_info(env, info, &argc, &js_finalize_cb, NULL, NULL));
NODE_API_ASSERT(env, argc == 1, "Wrong number of arguments");
NODE_API_CALL(env, napi_typeof(env, js_finalize_cb, &arg_type));
NODE_API_ASSERT(env, arg_type == napi_function, "Argument must be a function");
// Dynamically create a function.
napi_value result;
NODE_API_CALL(env,
napi_create_function(
env, "TrackedFunction", NAPI_AUTO_LENGTH, TestFunctionName, NULL,
&result));
// Create a strong reference to the function we will call when the tracked
// function is about to be gc-ed.
napi_ref js_finalize_cb_ref;
NODE_API_CALL(env,
napi_create_reference(env, js_finalize_cb, 1, &js_finalize_cb_ref));
// Attach a finalizer to the dynamically created function and pass it the
// strong reference we created in the previous step.
NODE_API_CALL(env,
napi_wrap(
env, result, js_finalize_cb_ref, finalize_function, NULL, NULL));
return result;
}
static napi_value TestBadReturnExceptionPending(napi_env env, napi_callback_info info) {
napi_throw_error(env, "throwing exception", "throwing exception");
// addons should only ever return a valid napi_value even if an
// exception occurs, but we have seen that the C++ wrapper
// with exceptions enabled sometimes returns an invalid value
// when an exception is thrown. Test that we ignore the return
// value then an exception is pending. We use 0xFFFFFFFF as a value
// that should never be a valid napi_value and node seems to
// crash if it is not ignored indicating that it is indeed invalid.
return (napi_value)(0xFFFFFFFFF);
}
EXTERN_C_START
napi_value Init(napi_env env, napi_value exports) {
napi_value fn1;
NODE_API_CALL(env, napi_create_function(
env, NULL, NAPI_AUTO_LENGTH, TestCallFunction, NULL, &fn1));
napi_value fn2;
NODE_API_CALL(env, napi_create_function(
env, "Name", NAPI_AUTO_LENGTH, TestFunctionName, NULL, &fn2));
napi_value fn3;
NODE_API_CALL(env, napi_create_function(
env, "Name_extra", 5, TestFunctionName, NULL, &fn3));
napi_value fn4;
NODE_API_CALL(env,
napi_create_function(
env, "MakeTrackedFunction", NAPI_AUTO_LENGTH, MakeTrackedFunction,
NULL, &fn4));
napi_value fn5;
NODE_API_CALL(env,
napi_create_function(
env, "TestCreateFunctionParameters", NAPI_AUTO_LENGTH,
TestCreateFunctionParameters, NULL, &fn5));
napi_value fn6;
NODE_API_CALL(env,
napi_create_function(
env, "TestBadReturnExceptionPending", NAPI_AUTO_LENGTH,
TestBadReturnExceptionPending, NULL, &fn6));
NODE_API_CALL(env, napi_set_named_property(env, exports, "TestCall", fn1));
NODE_API_CALL(env, napi_set_named_property(env, exports, "TestName", fn2));
NODE_API_CALL(env,
napi_set_named_property(env, exports, "TestNameShort", fn3));
NODE_API_CALL(env,
napi_set_named_property(env, exports, "MakeTrackedFunction", fn4));
NODE_API_CALL(env,
napi_set_named_property(
env, exports, "TestCreateFunctionParameters", fn5));
NODE_API_CALL(env,
napi_set_named_property(
env, exports, "TestBadReturnExceptionPending", fn6));
return exports;
}
EXTERN_C_END
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