mirror of
https://gitea.wildfiregames.com/0ad/0ad
synced 2026-06-16 05:13:58 -07:00
6492bc705a
Reload a module when it's script file got changed or when one of it's imported modules got reloaded. This doesn't work for dynamic `import`s.
669 lines
19 KiB
C++
669 lines
19 KiB
C++
/* Copyright (C) 2025 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "lib/self_test.h"
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#include "lib/file/vfs/vfs.h"
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#include "lib/sysdep/dir_watch.h"
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#include "ps/CLogger.h"
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#include "ps/Filesystem.h"
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#include "scriptinterface/FunctionWrapper.h"
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#include "scriptinterface/ModuleLoader.h"
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#include "scriptinterface/Object.h"
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#include "scriptinterface/Promises.h"
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#include "scriptinterface/ScriptContext.h"
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#include "scriptinterface/ScriptInterface.h"
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#if OS_LINUX
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#include <cstdlib>
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#endif
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#if OS_WIN || OS_WIN64 || OS_MAC || OS_MACOSX
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#include <filesystem>
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#endif
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#include <fstream>
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Status wdir_watch_Init();
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Status wdir_watch_Shutdown();
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namespace
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{
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void ClearFromCache(const VfsPath& path)
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{
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#if OS_BSD
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TS_SKIP("On BSD hotload isn't implemented.");
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#endif
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OsPath file;
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if (g_VFS->GetRealPath(path, file) != INFO::OK)
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throw std::exception{};
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PDirWatch dirWatch;
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dir_watch_Add((file.Parent() / "").string8(), dirWatch);
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#if OS_WIN || OS_WIN64 || OS_MAC || OS_MACOSX
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std::filesystem::last_write_time(file.string8(), std::filesystem::file_time_type::clock::now());
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#endif
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#if OS_LINUX
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// On Linux only this aproach seems to trigger a file reload.
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if (std::system(("touch " + file.string8()).c_str()) != 0)
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throw std::runtime_error{"`touch` didn't work."};
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#endif
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ReloadChangedFiles();
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}
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}
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class TestScriptModule : public CxxTest::TestSuite
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{
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public:
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void setUp()
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{
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if constexpr (OS_WIN)
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wdir_watch_Init();
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g_VFS = CreateVfs();
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TS_ASSERT_OK(g_VFS->Mount(L"", DataDir() / "mods" / "_test.scriptinterface" / "module" / "",
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VFS_MOUNT_MUST_EXIST));
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}
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void tearDown()
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{
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g_VFS.reset();
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if constexpr (OS_WIN)
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wdir_watch_Shutdown();
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}
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void test_StaticImport()
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{
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ScriptInterface script{"Test", "Test", g_ScriptContext};
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const ScriptRequest rq{script};
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TestLogger logger;
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std::ignore = script.GetModuleLoader().LoadModule(rq, "include/entry.js");
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// This test does not rely on export to the engine. So use the logger to check if it succeeded.
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TS_ASSERT_STR_CONTAINS(logger.GetOutput(),"Test succeeded");
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}
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void test_Sequential()
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{
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{
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ScriptInterface script{"Test", "Test", g_ScriptContext};
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const ScriptRequest rq{script};
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std::ignore = script.GetModuleLoader().LoadModule(rq, "empty.js");
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}
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{
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ScriptInterface script{"Test", "Test", g_ScriptContext};
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const ScriptRequest rq{script};
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std::ignore = script.GetModuleLoader().LoadModule(rq, "empty.js");
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}
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}
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void test_Stacked()
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{
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ScriptInterface scriptOuter{"Test", "Test", g_ScriptContext};
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const ScriptRequest rqOuter{scriptOuter};
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{
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ScriptInterface scriptInner{"Test", "Test", g_ScriptContext};
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const ScriptRequest rqInner{scriptInner};
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std::ignore = scriptInner.GetModuleLoader().LoadModule(rqInner, "empty.js");
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}
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std::ignore = scriptOuter.GetModuleLoader().LoadModule(rqOuter, "empty.js");
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}
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void test_ImportInFunction()
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{
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ScriptInterface script{"Test", "Test", g_ScriptContext};
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const ScriptRequest rq{script};
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TestLogger logger;
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TS_ASSERT_THROWS(std::ignore = script.GetModuleLoader().LoadModule(rq,
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"import_inside_function.js"), const std::invalid_argument&);
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const std::string log{logger.GetOutput()};
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TS_ASSERT_STR_CONTAINS(log, "import_inside_function.js line 3");
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TS_ASSERT_STR_CONTAINS(log, "import declarations may only appear at top level of a module");
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}
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void test_NonExistent()
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{
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ScriptInterface script{"Test", "Test", g_ScriptContext};
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const ScriptRequest rq{script};
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const TestLogger _;
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TS_ASSERT_THROWS(std::ignore = script.GetModuleLoader().LoadModule(rq, "nonexistent.js"),
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const std::runtime_error&);
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}
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void test_EvaluateOnce()
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{
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ScriptInterface script{"Test", "Test", g_ScriptContext};
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const ScriptRequest rq{script};
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{
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TestLogger logger;
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std::ignore = script.GetModuleLoader().LoadModule(rq, "blabbermouth.js");
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TS_ASSERT_STR_CONTAINS(logger.GetOutput(), "blah blah blah");
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}
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{
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TestLogger logger;
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std::ignore = script.GetModuleLoader().LoadModule(rq, "include/../blabbermouth.js");
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TS_ASSERT_STR_NOT_CONTAINS(logger.GetOutput(), "blah blah blah");
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}
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}
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void test_TopLevelAwaitFinite()
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{
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ScriptInterface script{"Test", "Test", g_ScriptContext};
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const ScriptRequest rq{script};
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auto result = script.GetModuleLoader().LoadModule(rq, "top_level_await_finite.js");
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auto& future = *result.begin();
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TS_ASSERT(!future.IsDone());
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g_ScriptContext->RunJobs();
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TS_ASSERT(future.IsDone());
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std::ignore = future.Get();
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}
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void test_TopLevelAwaitInfinite()
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{
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ScriptInterface script{"Test", "Test", g_ScriptContext};
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const ScriptRequest rq{script};
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auto result = script.GetModuleLoader().LoadModule(rq, "top_level_await_infinite.js");
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auto& future = *result.begin();
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g_ScriptContext->RunJobs();
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TS_ASSERT(!future.IsDone());
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TS_ASSERT_THROWS_ANYTHING(std::ignore = future.Get());
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}
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void test_MoveFulfilledFuture()
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{
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ScriptInterface script{"Test", "Test", g_ScriptContext};
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const ScriptRequest rq{script};
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auto result{script.GetModuleLoader().LoadModule(rq, "empty.js")};
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Script::ModuleLoader::Future& future0{*result.begin()};
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g_ScriptContext->RunJobs();
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TS_ASSERT(future0.IsDone());
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Script::ModuleLoader::Future future1{std::move(future0)};
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Script::ModuleLoader::Future future2;
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future2 = std::move(future1);
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TS_ASSERT(!future0.IsDone());
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TS_ASSERT(!future1.IsDone());
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TS_ASSERT(future2.IsDone());
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}
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void test_MoveEvaluatingFuture()
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{
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ScriptInterface script{"Test", "Test", g_ScriptContext};
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const ScriptRequest rq{script};
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auto result{script.GetModuleLoader().LoadModule(rq, "top_level_await_finite.js")};
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Script::ModuleLoader::Future& future0{*result.begin()};
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Script::ModuleLoader::Future future1{std::move(future0)};
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Script::ModuleLoader::Future future2;
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future2 = std::move(future1);
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TS_ASSERT(!future0.IsDone());
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TS_ASSERT(!future1.IsDone());
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TS_ASSERT(!future2.IsDone());
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g_ScriptContext->RunJobs();
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TS_ASSERT(!future0.IsDone());
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TS_ASSERT(!future1.IsDone());
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TS_ASSERT(future2.IsDone());
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}
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void test_EvaluateReplacedFuture()
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{
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ScriptInterface script{"Test", "Test", g_ScriptContext};
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const ScriptRequest rq{script};
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TestLogger logger;
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auto blabbermouthResult{script.GetModuleLoader().LoadModule(rq, "delayed_blabbermouth.js")};
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TS_ASSERT_STR_NOT_CONTAINS(logger.GetOutput(), "blah blah blah");
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auto future = std::move(*blabbermouthResult.begin());
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TS_ASSERT(!future.IsDone());
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auto emptyResult{script.GetModuleLoader().LoadModule(rq, "empty.js")};
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future = std::move(*emptyResult.begin());
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TS_ASSERT(!future.IsDone());
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g_ScriptContext->RunJobs();
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TS_ASSERT(future.IsDone());
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TS_ASSERT_STR_CONTAINS(logger.GetOutput(), "blah blah blah");
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}
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void test_TopLevelThrow()
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{
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ScriptInterface script{"Test", "Test", g_ScriptContext};
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const ScriptRequest rq{script};
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// To silence the error.
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const TestLogger _;
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auto result = script.GetModuleLoader().LoadModule(rq, "top_level_throw.js");
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auto& future = *result.begin();
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g_ScriptContext->RunJobs();
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TS_ASSERT(future.IsDone());
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TS_ASSERT_THROWS_EQUALS(std::ignore = future.Get(), const std::runtime_error& e, e.what(),
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"Error: Test reason\n@top_level_throw.js:1:7\n");
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}
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void test_Export()
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{
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ScriptInterface script{"Test", "Test", g_ScriptContext};
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const ScriptRequest rq{script};
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auto result = script.GetModuleLoader().LoadModule(rq, "export.js");
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g_ScriptContext->RunJobs();
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auto& future = *result.begin();
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JS::RootedObject ns{rq.cx, future.Get()};
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JS::RootedValue moduleValue{rq.cx, JS::ObjectValue(*ns)};
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{
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int value{0};
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TS_ASSERT(Script::GetProperty(rq, moduleValue, "value", value));
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TS_ASSERT_EQUALS(value, 6);
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}
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TS_ASSERT(ScriptFunction::CallVoid(rq, moduleValue, "mutate", 12));
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{
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int value{0};
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TS_ASSERT(Script::GetProperty(rq, moduleValue, "value", value));
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TS_ASSERT_EQUALS(value, 12);
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}
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}
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void test_ExportSame()
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{
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ScriptInterface script{"Test", "Test", g_ScriptContext};
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const ScriptRequest rq{script};
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{
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auto result = script.GetModuleLoader().LoadModule(rq, "export.js");
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g_ScriptContext->RunJobs();
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JS::RootedObject ns{rq.cx, result.begin()->Get()};
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JS::RootedValue moduleValue{rq.cx, JS::ObjectValue(*ns)};
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TS_ASSERT(ScriptFunction::CallVoid(rq, moduleValue, "mutate", 12));
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}
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{
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auto result = script.GetModuleLoader().LoadModule(rq, "include/../export.js");
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g_ScriptContext->RunJobs();
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JS::RootedObject ns{rq.cx, result.begin()->Get()};
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JS::RootedValue moduleValue{rq.cx, JS::ObjectValue(*ns)};
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int value{0};
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TS_ASSERT(Script::GetProperty(rq, moduleValue, "value", value));
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TS_ASSERT_EQUALS(value, 12);
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}
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}
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void test_ExportIndirect()
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{
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ScriptInterface script{"Test", "Test", g_ScriptContext};
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const ScriptRequest rq{script};
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{
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auto result = script.GetModuleLoader().LoadModule(rq, "export.js");
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g_ScriptContext->RunJobs();
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JS::RootedObject ns{rq.cx, result.begin()->Get()};
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JS::RootedValue moduleValue{rq.cx, JS::ObjectValue(*ns)};
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TS_ASSERT(ScriptFunction::CallVoid(rq, moduleValue, "mutate", 12));
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}
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{
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auto result = script.GetModuleLoader().LoadModule(rq, "indirect.js");
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g_ScriptContext->RunJobs();
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JS::RootedObject ns{rq.cx, result.begin()->Get()};
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JS::RootedValue moduleValue{rq.cx, JS::ObjectValue(*ns)};
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int value{0};
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TS_ASSERT(Script::GetProperty(rq, moduleValue, "value", value));
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TS_ASSERT_EQUALS(value, 12);
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}
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}
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void test_ExportDefaultImmutable()
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{
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ScriptInterface script{"Test", "Test", g_ScriptContext};
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const ScriptRequest rq{script};
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auto result = script.GetModuleLoader().LoadModule(rq, "export_default/immutable.js");
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g_ScriptContext->RunJobs();
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auto& future = *result.begin();
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JS::RootedObject ns{rq.cx, future.Get()};
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JS::RootedValue moduleValue{rq.cx, JS::ObjectValue(*ns)};
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int value{0};
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TS_ASSERT(Script::GetProperty(rq, moduleValue, "default", value));
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TS_ASSERT_EQUALS(value, 36);
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}
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void test_ExportDefaultInvalid()
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{
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ScriptInterface script{"Test", "Test", g_ScriptContext};
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const ScriptRequest rq{script};
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TestLogger logger;
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TS_ASSERT_THROWS(std::ignore = script.GetModuleLoader().LoadModule(rq,
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"export_default/invalid.js"), const std::invalid_argument&);
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const std::string log{logger.GetOutput()};
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TS_ASSERT_STR_CONTAINS(log, "export_default/invalid.js line 1");
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}
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void test_ExportDefaultDoesNotWorkAround()
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{
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ScriptInterface script{"Test", "Test", g_ScriptContext};
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const ScriptRequest rq{script};
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auto result = script.GetModuleLoader().LoadModule(rq, "export_default/does_not_work_around.js");
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g_ScriptContext->RunJobs();
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auto& future = *result.begin();
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JS::RootedObject ns{rq.cx, future.Get()};
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JS::RootedValue moduleValue{rq.cx, JS::ObjectValue(*ns)};
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int value{0};
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TS_ASSERT(Script::GetProperty(rq, moduleValue, "default", value));
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TS_ASSERT_DIFFERS(value, 36);
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TS_ASSERT_EQUALS(value, 6);
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}
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void test_ExportDefaultWorksAround()
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{
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ScriptInterface script{"Test", "Test", g_ScriptContext};
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const ScriptRequest rq{script};
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auto result = script.GetModuleLoader().LoadModule(rq, "export_default/works_around.js");
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g_ScriptContext->RunJobs();
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auto& future = *result.begin();
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JS::RootedObject ns{rq.cx, future.Get()};
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JS::RootedValue moduleValue{rq.cx, JS::ObjectValue(*ns)};
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int value{0};
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TS_ASSERT(Script::GetProperty(rq, moduleValue, "default", value));
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TS_ASSERT_EQUALS(value, 36);
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}
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void test_ReplaceEvaluatingFuture()
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{
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ScriptInterface script{"Test", "Test", g_ScriptContext};
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const ScriptRequest rq{script};
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auto awaitResult = script.GetModuleLoader().LoadModule(rq, "top_level_await_finite.js");
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auto future = std::move(*awaitResult.begin());
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auto exportResult = script.GetModuleLoader().LoadModule(rq, "export.js");
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future = std::move(*exportResult.begin());
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g_ScriptContext->RunJobs();
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JS::RootedObject ns{rq.cx, future.Get()};
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JS::RootedValue moduleValue{rq.cx, JS::ObjectValue(*ns)};
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int value{0};
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TS_ASSERT(Script::GetProperty(rq, moduleValue, "value", value));
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TS_ASSERT_EQUALS(value, 6);
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}
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void test_DynamicImport()
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{
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ScriptInterface script{"Test", "Test", g_ScriptContext};
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const ScriptRequest rq{script};
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auto result = script.GetModuleLoader().LoadModule(rq, "dynamic_import.js");
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g_ScriptContext->RunJobs();
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auto& future = *result.begin();
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JS::RootedObject ns{rq.cx, future.Get()};
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JS::RootedValue moduleValue{rq.cx, JS::ObjectValue(*ns)};
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JS::RootedValue promise{rq.cx};
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TS_ASSERT(ScriptFunction::Call(rq, moduleValue, "default", &promise));
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TS_ASSERT(promise.isObject());
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JS::RootedObject promiseObject{rq.cx, &promise.toObject()};
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TS_ASSERT(JS::IsPromiseObject(promiseObject));
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TS_ASSERT_EQUALS(JS::GetPromiseState(promiseObject), JS::PromiseState::Pending);
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g_ScriptContext->RunJobs();
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TS_ASSERT_EQUALS(JS::GetPromiseState(promiseObject), JS::PromiseState::Fulfilled);
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JS::RootedValue piModule{rq.cx, JS::GetPromiseResult(promiseObject)};
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double pi{0.0};
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TS_ASSERT(Script::FromJSProperty(rq, piModule, "default", pi));
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TS_ASSERT_LESS_THAN(pi, 3.1416);
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TS_ASSERT_LESS_THAN(3.1415, pi);
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}
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void test_Meta()
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{
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ScriptInterface script{"Test", "Test", g_ScriptContext};
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const ScriptRequest rq{script};
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auto result = script.GetModuleLoader().LoadModule(rq, "meta.js");
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g_ScriptContext->RunJobs();
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auto& future = *result.begin();
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JS::RootedObject ns{rq.cx, future.Get()};
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const JS::RootedValue modNamespace{rq.cx, JS::ObjectValue(*ns)};
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JS::RootedValue meta{rq.cx};
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TS_ASSERT(ScriptFunction::Call(rq, modNamespace, "getMeta", &meta));
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std::string path;
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TS_ASSERT(Script::GetProperty(rq, meta, "path", path));
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TS_ASSERT_STR_EQUALS(path, "meta.js");
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}
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void test_Modified()
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{
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ScriptInterface script{"Test", "Test", g_ScriptContext};
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const ScriptRequest rq{script};
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auto result = script.GetModuleLoader().LoadModule(rq, "modified/base.js");
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g_ScriptContext->RunJobs();
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auto& future = *result.begin();
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JS::RootedObject ns{rq.cx, future.Get()};
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JS::RootedValue moduleValue{rq.cx, JS::ObjectValue(*ns)};
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std::string returnValue;
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TS_ASSERT(ScriptFunction::Call(rq, moduleValue, "fn", returnValue));
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TS_ASSERT_STR_EQUALS(returnValue, "Base01");
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}
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void test_Hotload()
|
|
{
|
|
constexpr int goal{2};
|
|
|
|
ScriptInterface script{"Test", "Test", g_ScriptContext};
|
|
const ScriptRequest rq{script};
|
|
|
|
int counter{0};
|
|
for (auto& future : script.GetModuleLoader().LoadModule(rq, "empty.js"))
|
|
{
|
|
TS_ASSERT(!future.IsDone());
|
|
|
|
if (counter != 0)
|
|
ClearFromCache("empty.js");
|
|
|
|
g_ScriptContext->RunJobs();
|
|
TS_ASSERT(future.IsDone());
|
|
|
|
if (counter == goal)
|
|
break;
|
|
|
|
++counter;
|
|
}
|
|
|
|
TS_ASSERT_EQUALS(counter, goal);
|
|
}
|
|
|
|
void test_HotloadWithoutIncrement()
|
|
{
|
|
ScriptInterface script{"Test", "Test", g_ScriptContext};
|
|
const ScriptRequest rq{script};
|
|
|
|
auto result = script.GetModuleLoader().LoadModule(rq, "top_level_await_finite.js");
|
|
g_ScriptContext->RunJobs();
|
|
TS_ASSERT(result.begin()->IsDone());
|
|
ClearFromCache("top_level_await_finite.js");
|
|
TS_ASSERT(result.begin()->IsDone());
|
|
}
|
|
|
|
void test_HotloadIndipendence()
|
|
{
|
|
ScriptInterface script{"Test", "Test", g_ScriptContext};
|
|
const ScriptRequest rq{script};
|
|
|
|
// It's intended to be used as in the test above but it's easier to test when it's unrolled.
|
|
auto result = script.GetModuleLoader().LoadModule(rq, "export.js");
|
|
auto iter = result.begin();
|
|
{
|
|
auto& future = *iter;
|
|
g_ScriptContext->RunJobs();
|
|
JS::RootedObject ns{rq.cx, future.Get()};
|
|
const JS::RootedValue moduleValue{rq.cx, JS::ObjectValue(*ns)};
|
|
|
|
TS_ASSERT(ScriptFunction::CallVoid(rq, moduleValue, "mutate", 12));
|
|
|
|
int value{0};
|
|
TS_ASSERT(Script::GetProperty(rq, moduleValue, "value", value));
|
|
TS_ASSERT_EQUALS(value, 12);
|
|
}
|
|
++iter;
|
|
{
|
|
auto& future = *iter;
|
|
g_ScriptContext->RunJobs();
|
|
TS_ASSERT(!future.IsDone());
|
|
ClearFromCache("export.js");
|
|
g_ScriptContext->RunJobs();
|
|
TS_ASSERT(future.IsDone());
|
|
|
|
JS::RootedObject ns{rq.cx, future.Get()};
|
|
JS::RootedValue moduleValue{rq.cx, JS::ObjectValue(*ns)};
|
|
|
|
int value{0};
|
|
TS_ASSERT(Script::GetProperty(rq, moduleValue, "value", value));
|
|
TS_ASSERT_DIFFERS(value, 12);
|
|
TS_ASSERT_EQUALS(value, 6);
|
|
}
|
|
}
|
|
|
|
void test_HotloadModified()
|
|
{
|
|
ScriptInterface script{"Test", "Test", g_ScriptContext};
|
|
const ScriptRequest rq{script};
|
|
|
|
auto result = script.GetModuleLoader().LoadModule(rq, "empty.js");
|
|
auto iter = result.begin();
|
|
g_ScriptContext->RunJobs();
|
|
TS_ASSERT(iter->IsDone());
|
|
|
|
++iter;
|
|
TS_ASSERT(!iter->IsDone());
|
|
|
|
ClearFromCache("empty~trigger.append.js");
|
|
|
|
g_ScriptContext->RunJobs();
|
|
TS_ASSERT(iter->IsDone());
|
|
}
|
|
|
|
void test_HotloadIndirect()
|
|
{
|
|
ScriptInterface script{"Test", "Test", g_ScriptContext};
|
|
const ScriptRequest rq{script};
|
|
|
|
auto result = script.GetModuleLoader().LoadModule(rq, "indirect.js");
|
|
auto iter = result.begin();
|
|
g_ScriptContext->RunJobs();
|
|
TS_ASSERT(iter->IsDone());
|
|
|
|
++iter;
|
|
ClearFromCache("export.js");
|
|
|
|
g_ScriptContext->RunJobs();
|
|
TS_ASSERT(iter->IsDone());
|
|
}
|
|
|
|
void test_HotloadUnobserved()
|
|
{
|
|
ScriptInterface script{"Test", "Test", g_ScriptContext};
|
|
{
|
|
const ScriptRequest rq{script};
|
|
|
|
TestLogger logger;
|
|
auto result = script.GetModuleLoader().LoadModule(rq, "blabbermouth.js");
|
|
g_ScriptContext->RunJobs();
|
|
TS_ASSERT_STR_CONTAINS(logger.GetOutput(), "blah blah blah");
|
|
}
|
|
|
|
{
|
|
TestLogger logger;
|
|
ClearFromCache("blabbermouth.js");
|
|
g_ScriptContext->RunJobs();
|
|
TS_ASSERT_STR_NOT_CONTAINS(logger.GetOutput(), "blah blah blah");
|
|
}
|
|
|
|
{
|
|
const ScriptRequest rq{script};
|
|
|
|
TestLogger logger;
|
|
auto result = script.GetModuleLoader().LoadModule(rq, "blabbermouth.js");
|
|
g_ScriptContext->RunJobs();
|
|
TS_ASSERT_STR_CONTAINS(logger.GetOutput(), "blah blah blah");
|
|
}
|
|
}
|
|
|
|
void test_HotloadAfterResultDestruction()
|
|
{
|
|
ScriptInterface script{"Test", "Test", g_ScriptContext};
|
|
{
|
|
const ScriptRequest rq{script};
|
|
|
|
TestLogger logger;
|
|
auto result = script.GetModuleLoader().LoadModule(rq, "blabbermouth.js");
|
|
g_ScriptContext->RunJobs();
|
|
TS_ASSERT_STR_CONTAINS(logger.GetOutput(), "blah blah blah");
|
|
|
|
auto iter = result.begin();
|
|
TS_ASSERT(iter->IsDone());
|
|
++iter;
|
|
}
|
|
|
|
TestLogger logger;
|
|
ClearFromCache("blabbermouth.js");
|
|
g_ScriptContext->RunJobs();
|
|
TS_ASSERT_STR_NOT_CONTAINS(logger.GetOutput(), "blah blah blah");
|
|
}
|
|
|
|
void test_ResultDestructionAfterScriptRequestDestruction()
|
|
{
|
|
ScriptInterface script{"Test", "Test", g_ScriptContext};
|
|
auto _ = script.GetModuleLoader().LoadModule(ScriptRequest{script}, "empty.js");
|
|
}
|
|
};
|