// Copyright 2021 The Emscripten Authors. All rights reserved.

// Emscripten is available under two separate licenses, the MIT license and the

// University of Illinois/NCSA Open Source License. Both these licenses can be

// found in the LICENSE file.

#include <stdio.h>

#include <iostream>

#include <cmath>

#include <emscripten/bind.h>

#include <emscripten/emscripten.h>

#include <emscripten/val.h>

using namespace emscripten;

using namespace std;

#define assert_js(X) assert(run_js(X))

void test(string message)

{

cout << "test:\n" << message << "\n";

}

void execute_js(string js_code)

{

js_code.append(";");

const char* js_code_pointer = js_code.c_str();

EM_ASM_INT({

var js_code = UTF8ToString($0);

return eval(js_code);

}, js_code_pointer);

}

int run_js(string js_code)

{

js_code.append(";");

const char* js_code_pointer = js_code.c_str();

return EM_ASM_INT({

var js_code = UTF8ToString($0);

return eval(js_code);

}, js_code_pointer);

}

void ensure_js_throws(string js_code, string error_type)

{

js_code.append(";");

const char* js_code_pointer = js_code.c_str();

const char* error_type_pointer = error_type.c_str();

assert(EM_ASM_INT({

var js_code = UTF8ToString($0);

var error_type = UTF8ToString($1);

try {

eval(js_code);

}

catch(error_thrown)

{

return error_thrown.name === error_type;

}

return false;

}, js_code_pointer, error_type_pointer));

}

EMSCRIPTEN_BINDINGS(tests) {

register_vector<int64_t>("Int64Vector");

register_vector<uint64_t>("UInt64Vector");

}

int main()

{

const int64_t max_int64_t = numeric_limits<int64_t>::max();

const int64_t min_int64_t = numeric_limits<int64_t>::min();

const uint64_t max_uint64_t = numeric_limits<uint64_t>::max();

printf("start\n");

test("vector<int64_t>");

val myval(std::vector<int64_t>{1, 2, 3, -4});

val::global().set("v64", myval);

assert_js("v64.get(0) === 1n");

assert_js("v64.get(1) === 2n");

assert_js("v64.get(2) === 3n");

assert_js("v64.get(3) === -4n");

execute_js("v64.push_back(1234n)");

assert_js("v64.size() === 5");

assert_js("v64.get(4) === 1234n");

test("vector<int64_t> Cannot convert number to int64_t");

ensure_js_throws("v64.push_back(1234)", "TypeError");

test("vector<int64_t> Cannot convert bigint that is too big");

ensure_js_throws("v64.push_back(12345678901234567890123456n)", "TypeError");

test("vector<uint64_t>");

val myval2(vector<uint64_t>{1, 2, 3, 4});

val::global().set("vU64", myval2);

assert_js("vU64.get(0) === 1n");

assert_js("vU64.get(1) === 2n");

assert_js("vU64.get(2) === 3n");

assert_js("vU64.get(3) === 4n");

execute_js("vU64.push_back(1234n)");

assert_js("vU64.size() === 5");

assert_js("vU64.get(4) === 1234n");

test("vector<uint64_t> Cannot convert number to uint64_t");

ensure_js_throws("vU64.push_back(1234)", "TypeError");

test("vector<uint64_t> Cannot convert bigint that is too big");

ensure_js_throws("vU64.push_back(12345678901234567890123456n)", "TypeError");

test("vector<uint64_t> Cannot convert bigint that is negative");

ensure_js_throws("vU64.push_back(-1n)", "TypeError");

myval.call<void>("delete");

myval2.call<void>("delete");

printf("end\n");

return 0;

}