mirror of
https://github.com/LadybirdBrowser/ladybird.git
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6537ed8fff
The JS::VM now owns the one Bytecode::Interpreter. We no longer have multiple bytecode interpreters, and there is no concept of a "current" bytecode interpreter. If you ask for VM::bytecode_interpreter_if_exists(), it will return null if we're not running the program in "bytecode enabled" mode. If you ask for VM::bytecode_interpreter(), it will return a bytecode interpreter in all modes. This is used for situations where even the AST interpreter switches to bytecode mode (generators, etc.)
618 lines
25 KiB
C++
618 lines
25 KiB
C++
/*
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* Copyright (c) 2020, Matthew Olsson <mattco@serenityos.org>
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* Copyright (c) 2020-2022, Linus Groh <linusg@serenityos.org>
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* Copyright (c) 2021, Ali Mohammad Pur <mpfard@serenityos.org>
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* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/ByteBuffer.h>
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#include <AK/JsonObject.h>
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#include <AK/JsonValue.h>
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#include <AK/LexicalPath.h>
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#include <AK/QuickSort.h>
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#include <AK/Result.h>
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#include <AK/Tuple.h>
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#include <LibCore/DirIterator.h>
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#include <LibCore/File.h>
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#include <LibJS/Bytecode/Interpreter.h>
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#include <LibJS/Interpreter.h>
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#include <LibJS/Lexer.h>
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#include <LibJS/Parser.h>
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#include <LibJS/Runtime/Array.h>
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#include <LibJS/Runtime/GlobalObject.h>
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#include <LibJS/Runtime/JSONObject.h>
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#include <LibJS/Runtime/TypedArray.h>
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#include <LibJS/Runtime/WeakMap.h>
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#include <LibJS/Runtime/WeakSet.h>
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#include <LibJS/Script.h>
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#include <LibJS/SourceTextModule.h>
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#include <LibTest/Results.h>
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#include <LibTest/TestRunner.h>
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#include <fcntl.h>
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#include <sys/time.h>
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#include <unistd.h>
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#ifdef AK_OS_SERENITY
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# include <serenity.h>
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#endif
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#define STRCAT(x, y) __STRCAT(x, y)
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#define STRSTRCAT(x, y) __STRSTRCAT(x, y)
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#define __STRCAT(x, y) x #y
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#define __STRSTRCAT(x, y) x y
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// Note: This is a little weird, so here's an explanation:
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// If the vararg isn't given, the tuple initializer will simply expand to `fn, ::Test::JS::__testjs_last<1>()`
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// and if it _is_ given (say as `A`), the tuple initializer will expand to `fn, ::Test::JS::__testjs_last<1, A>()`, which will end up being evaluated as `A`
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// and if multiple args are given, the static_assert will be sad.
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#define __TESTJS_REGISTER_GLOBAL_FUNCTION(name, fn, ...) \
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struct __TestJS_register_##fn { \
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static_assert( \
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::Test::JS::__testjs_count(__VA_ARGS__) <= 1, \
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STRCAT(STRSTRCAT(STRCAT("Expected at most three arguments to TESTJS_GLOBAL_FUNCTION at line", __LINE__), ", in file "), __FILE__)); \
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__TestJS_register_##fn() noexcept \
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{ \
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::Test::JS::s_exposed_global_functions.set( \
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name, \
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{ fn, ::Test::JS::__testjs_last<1, ##__VA_ARGS__>() }); \
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} \
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} __testjs_register_##fn {};
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#define TESTJS_GLOBAL_FUNCTION(function, exposed_name, ...) \
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JS_DECLARE_NATIVE_FUNCTION(function); \
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__TESTJS_REGISTER_GLOBAL_FUNCTION(#exposed_name, function, ##__VA_ARGS__); \
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JS_DEFINE_NATIVE_FUNCTION(function)
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#define TESTJS_MAIN_HOOK() \
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struct __TestJS_main_hook { \
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__TestJS_main_hook() \
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{ \
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::Test::JS::g_main_hook = hook; \
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} \
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static void hook(); \
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} __testjs_common_register_##name {}; \
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void __TestJS_main_hook::hook()
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#define TESTJS_PROGRAM_FLAG(flag, help_string, long_name, short_name) \
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bool flag { false }; \
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struct __TestJS_flag_hook_##flag { \
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__TestJS_flag_hook_##flag() \
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{ \
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::Test::JS::g_extra_args.set(&(flag), { help_string, long_name, short_name }); \
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}; \
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} __testjs_flag_hook_##flag;
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#define TEST_ROOT(path) \
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DeprecatedString Test::JS::g_test_root_fragment = path
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#define TESTJS_RUN_FILE_FUNCTION(...) \
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struct __TestJS_run_file { \
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__TestJS_run_file() \
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{ \
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::Test::JS::g_run_file = hook; \
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} \
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static ::Test::JS::IntermediateRunFileResult hook(DeprecatedString const&, JS::Interpreter&, JS::ExecutionContext&); \
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} __testjs_common_run_file {}; \
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::Test::JS::IntermediateRunFileResult __TestJS_run_file::hook(__VA_ARGS__)
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#define TESTJS_CREATE_INTERPRETER_HOOK(...) \
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struct __TestJS_create_interpreter_hook { \
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__TestJS_create_interpreter_hook() \
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{ \
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::Test::JS::g_create_interpreter_hook = hook; \
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} \
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static NonnullOwnPtr<JS::Interpreter> hook(); \
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} __testjs_create_interpreter_hook {}; \
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NonnullOwnPtr<JS::Interpreter> __TestJS_create_interpreter_hook::hook(__VA_ARGS__)
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namespace Test::JS {
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namespace JS = ::JS;
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template<typename... Args>
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static consteval size_t __testjs_count(Args...) { return sizeof...(Args); }
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template<auto... Values>
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static consteval size_t __testjs_last()
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{
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Array values { Values... };
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return values[values.size() - 1U];
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}
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static constexpr auto TOP_LEVEL_TEST_NAME = "__$$TOP_LEVEL$$__";
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extern RefPtr<JS::VM> g_vm;
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extern bool g_collect_on_every_allocation;
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extern DeprecatedString g_currently_running_test;
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struct FunctionWithLength {
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JS::ThrowCompletionOr<JS::Value> (*function)(JS::VM&);
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size_t length { 0 };
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};
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extern HashMap<DeprecatedString, FunctionWithLength> s_exposed_global_functions;
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extern DeprecatedString g_test_root_fragment;
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extern DeprecatedString g_test_root;
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extern int g_test_argc;
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extern char** g_test_argv;
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extern Function<void()> g_main_hook;
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extern Function<NonnullOwnPtr<JS::Interpreter>()> g_create_interpreter_hook;
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extern HashMap<bool*, Tuple<DeprecatedString, DeprecatedString, char>> g_extra_args;
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struct ParserError {
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JS::ParserError error;
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DeprecatedString hint;
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};
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struct JSFileResult {
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DeprecatedString name;
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Optional<ParserError> error {};
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double time_taken { 0 };
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// A failed test takes precedence over a skipped test, which both have
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// precedence over a passed test
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Test::Result most_severe_test_result { Test::Result::Pass };
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Vector<Test::Suite> suites {};
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Vector<DeprecatedString> logged_messages {};
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};
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enum class RunFileHookResult {
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RunAsNormal,
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SkipFile,
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};
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using IntermediateRunFileResult = AK::Result<JSFileResult, RunFileHookResult>;
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extern IntermediateRunFileResult (*g_run_file)(DeprecatedString const&, JS::Interpreter&, JS::ExecutionContext&);
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class TestRunner : public ::Test::TestRunner {
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public:
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TestRunner(DeprecatedString test_root, DeprecatedString common_path, bool print_times, bool print_progress, bool print_json, bool detailed_json)
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: ::Test::TestRunner(move(test_root), print_times, print_progress, print_json, detailed_json)
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, m_common_path(move(common_path))
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{
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g_test_root = m_test_root;
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}
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virtual ~TestRunner() = default;
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protected:
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virtual void do_run_single_test(DeprecatedString const& test_path, size_t, size_t) override;
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virtual Vector<DeprecatedString> get_test_paths() const override;
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virtual JSFileResult run_file_test(DeprecatedString const& test_path);
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void print_file_result(JSFileResult const& file_result) const;
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DeprecatedString m_common_path;
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};
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class TestRunnerGlobalObject final : public JS::GlobalObject {
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JS_OBJECT(TestRunnerGlobalObject, JS::GlobalObject);
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public:
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TestRunnerGlobalObject(JS::Realm& realm)
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: JS::GlobalObject(realm)
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{
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}
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virtual JS::ThrowCompletionOr<void> initialize(JS::Realm&) override;
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virtual ~TestRunnerGlobalObject() override = default;
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};
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inline JS::ThrowCompletionOr<void> TestRunnerGlobalObject::initialize(JS::Realm& realm)
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{
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MUST_OR_THROW_OOM(Base::initialize(realm));
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define_direct_property("global", this, JS::Attribute::Enumerable);
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for (auto& entry : s_exposed_global_functions) {
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define_native_function(
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realm,
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entry.key, [fn = entry.value.function](auto& vm) {
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return fn(vm);
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},
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entry.value.length, JS::default_attributes);
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}
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return {};
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}
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inline ByteBuffer load_entire_file(StringView path)
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{
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auto try_load_entire_file = [](StringView const& path) -> ErrorOr<ByteBuffer> {
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auto file = TRY(Core::File::open(path, Core::File::OpenMode::Read));
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auto file_size = TRY(file->size());
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auto content = TRY(ByteBuffer::create_uninitialized(file_size));
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TRY(file->read_until_filled(content.bytes()));
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return content;
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};
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auto buffer_or_error = try_load_entire_file(path);
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if (buffer_or_error.is_error()) {
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warnln("Failed to open the following file: \"{}\", error: {}", path, buffer_or_error.release_error());
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cleanup_and_exit();
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}
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return buffer_or_error.release_value();
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}
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inline AK::Result<JS::NonnullGCPtr<JS::Script>, ParserError> parse_script(StringView path, JS::Realm& realm)
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{
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auto contents = load_entire_file(path);
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auto script_or_errors = JS::Script::parse(contents, realm, path);
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if (script_or_errors.is_error()) {
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auto errors = script_or_errors.release_error();
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return ParserError { errors[0], errors[0].source_location_hint(contents) };
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}
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return script_or_errors.release_value();
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}
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inline AK::Result<JS::NonnullGCPtr<JS::SourceTextModule>, ParserError> parse_module(StringView path, JS::Realm& realm)
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{
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auto contents = load_entire_file(path);
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auto script_or_errors = JS::SourceTextModule::parse(contents, realm, path);
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if (script_or_errors.is_error()) {
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auto errors = script_or_errors.release_error();
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return ParserError { errors[0], errors[0].source_location_hint(contents) };
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}
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return script_or_errors.release_value();
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}
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inline ErrorOr<JsonValue> get_test_results(JS::Interpreter& interpreter)
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{
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auto results = MUST(interpreter.realm().global_object().get("__TestResults__"));
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auto json_string = MUST(JS::JSONObject::stringify_impl(*g_vm, results, JS::js_undefined(), JS::js_undefined()));
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return JsonValue::from_string(json_string);
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}
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inline void TestRunner::do_run_single_test(DeprecatedString const& test_path, size_t, size_t)
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{
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auto file_result = run_file_test(test_path);
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if (!m_print_json)
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print_file_result(file_result);
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if (needs_detailed_suites())
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ensure_suites().extend(file_result.suites);
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}
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inline Vector<DeprecatedString> TestRunner::get_test_paths() const
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{
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Vector<DeprecatedString> paths;
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iterate_directory_recursively(m_test_root, [&](DeprecatedString const& file_path) {
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if (!file_path.ends_with(".js"sv))
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return;
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if (!file_path.ends_with("test-common.js"sv))
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paths.append(file_path);
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});
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quick_sort(paths);
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return paths;
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}
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inline JSFileResult TestRunner::run_file_test(DeprecatedString const& test_path)
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{
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g_currently_running_test = test_path;
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#ifdef AK_OS_SERENITY
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auto string_id = perf_register_string(test_path.characters(), test_path.length());
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perf_event(PERF_EVENT_SIGNPOST, string_id, 0);
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#endif
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double start_time = get_time_in_ms();
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auto interpreter = JS::Interpreter::create<TestRunnerGlobalObject>(*g_vm);
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// Since g_vm is reused for each new interpreter, Interpreter::create will end up pushing multiple
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// global execution contexts onto the VM's execution context stack. To prevent this, we immediately
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// pop the global execution context off the execution context stack and manually handle pushing
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// and popping it. Since the global execution context should be the only thing on the stack
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// at interpreter creation, let's assert there is only one.
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VERIFY(g_vm->execution_context_stack().size() == 1);
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auto& global_execution_context = *g_vm->execution_context_stack().take_first();
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// FIXME: This is a hack while we're refactoring Interpreter/VM stuff.
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JS::VM::InterpreterExecutionScope scope(*interpreter);
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interpreter->heap().set_should_collect_on_every_allocation(g_collect_on_every_allocation);
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if (g_run_file) {
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auto result = g_run_file(test_path, *interpreter, global_execution_context);
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if (result.is_error() && result.error() == RunFileHookResult::SkipFile) {
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return {
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test_path,
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{},
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0,
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Test::Result::Skip,
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{},
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{}
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};
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}
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if (!result.is_error()) {
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auto value = result.release_value();
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for (auto& suite : value.suites) {
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if (suite.most_severe_test_result == Result::Pass)
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m_counts.suites_passed++;
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else if (suite.most_severe_test_result == Result::Fail)
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m_counts.suites_failed++;
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for (auto& test : suite.tests) {
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if (test.result == Result::Pass)
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m_counts.tests_passed++;
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else if (test.result == Result::Fail)
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m_counts.tests_failed++;
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else if (test.result == Result::Skip)
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m_counts.tests_skipped++;
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}
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}
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++m_counts.files_total;
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m_total_elapsed_time_in_ms += value.time_taken;
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return value;
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}
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}
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// FIXME: Since a new interpreter is created every time with a new realm, we no longer cache the test-common.js file as scripts are parsed for the current realm only.
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// Find a way to cache this.
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auto result = parse_script(m_common_path, interpreter->realm());
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if (result.is_error()) {
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warnln("Unable to parse test-common.js");
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warnln("{}", result.error().error.to_deprecated_string());
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warnln("{}", result.error().hint);
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cleanup_and_exit();
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}
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auto test_script = result.release_value();
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if (auto* bytecode_interpreter = g_vm->bytecode_interpreter_if_exists()) {
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g_vm->push_execution_context(global_execution_context);
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MUST(bytecode_interpreter->run(*test_script));
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g_vm->pop_execution_context();
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} else {
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g_vm->push_execution_context(global_execution_context);
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MUST(interpreter->run(*test_script));
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g_vm->pop_execution_context();
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}
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auto file_script = parse_script(test_path, interpreter->realm());
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JS::ThrowCompletionOr<JS::Value> top_level_result { JS::js_undefined() };
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if (file_script.is_error())
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return { test_path, file_script.error() };
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g_vm->push_execution_context(global_execution_context);
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if (auto* bytecode_interpreter = g_vm->bytecode_interpreter_if_exists()) {
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top_level_result = bytecode_interpreter->run(file_script.value());
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} else {
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top_level_result = interpreter->run(file_script.value());
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}
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g_vm->pop_execution_context();
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g_vm->push_execution_context(global_execution_context);
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auto test_json = get_test_results(*interpreter);
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g_vm->pop_execution_context();
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if (test_json.is_error()) {
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warnln("Received malformed JSON from test \"{}\"", test_path);
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cleanup_and_exit();
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}
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JSFileResult file_result { test_path.substring(m_test_root.length() + 1, test_path.length() - m_test_root.length() - 1) };
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// Collect logged messages
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auto user_output = MUST(interpreter->realm().global_object().get("__UserOutput__"));
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auto& arr = user_output.as_array();
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for (auto& entry : arr.indexed_properties()) {
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auto message = MUST(arr.get(entry.index()));
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file_result.logged_messages.append(message.to_string_without_side_effects().release_value_but_fixme_should_propagate_errors().to_deprecated_string());
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}
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test_json.value().as_object().for_each_member([&](DeprecatedString const& suite_name, JsonValue const& suite_value) {
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Test::Suite suite { test_path, suite_name };
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VERIFY(suite_value.is_object());
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suite_value.as_object().for_each_member([&](const DeprecatedString& test_name, const JsonValue& test_value) {
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Test::Case test { test_name, Test::Result::Fail, "", 0 };
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VERIFY(test_value.is_object());
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VERIFY(test_value.as_object().has("result"sv));
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auto result = test_value.as_object().get_deprecated_string("result"sv);
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VERIFY(result.has_value());
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auto result_string = result.value();
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if (result_string == "pass") {
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test.result = Test::Result::Pass;
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m_counts.tests_passed++;
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} else if (result_string == "fail") {
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test.result = Test::Result::Fail;
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m_counts.tests_failed++;
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suite.most_severe_test_result = Test::Result::Fail;
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VERIFY(test_value.as_object().has("details"sv));
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auto details = test_value.as_object().get_deprecated_string("details"sv);
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VERIFY(result.has_value());
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test.details = details.value();
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} else {
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test.result = Test::Result::Skip;
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if (suite.most_severe_test_result == Test::Result::Pass)
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suite.most_severe_test_result = Test::Result::Skip;
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m_counts.tests_skipped++;
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}
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test.duration_us = test_value.as_object().get_u64("duration"sv).value_or(0);
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suite.tests.append(test);
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});
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if (suite.most_severe_test_result == Test::Result::Fail) {
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m_counts.suites_failed++;
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file_result.most_severe_test_result = Test::Result::Fail;
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} else {
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if (suite.most_severe_test_result == Test::Result::Skip && file_result.most_severe_test_result == Test::Result::Pass)
|
||
file_result.most_severe_test_result = Test::Result::Skip;
|
||
m_counts.suites_passed++;
|
||
}
|
||
|
||
file_result.suites.append(suite);
|
||
});
|
||
|
||
if (top_level_result.is_error()) {
|
||
Test::Suite suite { test_path, "<top-level>" };
|
||
suite.most_severe_test_result = Result::Crashed;
|
||
|
||
Test::Case test_case { "<top-level>", Test::Result::Fail, "", 0 };
|
||
auto error = top_level_result.release_error().release_value().release_value();
|
||
if (error.is_object()) {
|
||
StringBuilder detail_builder;
|
||
|
||
auto& error_object = error.as_object();
|
||
auto name = error_object.get_without_side_effects(g_vm->names.name).value_or(JS::js_undefined());
|
||
auto message = error_object.get_without_side_effects(g_vm->names.message).value_or(JS::js_undefined());
|
||
|
||
if (name.is_accessor() || message.is_accessor()) {
|
||
detail_builder.append(error.to_string_without_side_effects().release_value_but_fixme_should_propagate_errors());
|
||
} else {
|
||
detail_builder.append(name.to_string_without_side_effects().release_value_but_fixme_should_propagate_errors());
|
||
detail_builder.append(": "sv);
|
||
detail_builder.append(message.to_string_without_side_effects().release_value_but_fixme_should_propagate_errors());
|
||
}
|
||
|
||
if (is<JS::Error>(error_object)) {
|
||
auto& error_as_error = static_cast<JS::Error&>(error_object);
|
||
detail_builder.append('\n');
|
||
detail_builder.append(error_as_error.stack_string(*g_vm).release_allocated_value_but_fixme_should_propagate_errors());
|
||
}
|
||
|
||
test_case.details = detail_builder.to_deprecated_string();
|
||
} else {
|
||
test_case.details = error.to_string_without_side_effects().release_value_but_fixme_should_propagate_errors().to_deprecated_string();
|
||
}
|
||
|
||
suite.tests.append(move(test_case));
|
||
|
||
file_result.suites.append(suite);
|
||
|
||
m_counts.suites_failed++;
|
||
file_result.most_severe_test_result = Test::Result::Fail;
|
||
}
|
||
|
||
m_counts.files_total++;
|
||
|
||
file_result.time_taken = get_time_in_ms() - start_time;
|
||
m_total_elapsed_time_in_ms += file_result.time_taken;
|
||
|
||
return file_result;
|
||
}
|
||
|
||
inline void TestRunner::print_file_result(JSFileResult const& file_result) const
|
||
{
|
||
if (file_result.most_severe_test_result == Test::Result::Fail || file_result.error.has_value()) {
|
||
print_modifiers({ BG_RED, FG_BOLD });
|
||
out(" FAIL ");
|
||
print_modifiers({ CLEAR });
|
||
} else {
|
||
if (m_print_times || file_result.most_severe_test_result != Test::Result::Pass) {
|
||
print_modifiers({ BG_GREEN, FG_BLACK, FG_BOLD });
|
||
out(" PASS ");
|
||
print_modifiers({ CLEAR });
|
||
} else {
|
||
return;
|
||
}
|
||
}
|
||
|
||
out(" {}", file_result.name);
|
||
|
||
if (m_print_times) {
|
||
print_modifiers({ CLEAR, ITALIC, FG_GRAY });
|
||
if (file_result.time_taken < 1000) {
|
||
outln(" ({}ms)", static_cast<int>(file_result.time_taken));
|
||
} else {
|
||
outln(" ({:3}s)", file_result.time_taken / 1000.0);
|
||
}
|
||
print_modifiers({ CLEAR });
|
||
} else {
|
||
outln();
|
||
}
|
||
|
||
if (!file_result.logged_messages.is_empty()) {
|
||
print_modifiers({ FG_GRAY, FG_BOLD });
|
||
#ifdef AK_OS_SERENITY
|
||
outln(" ℹ Console output:");
|
||
#else
|
||
// This emoji has a second invisible byte after it. The one above does not
|
||
outln(" ℹ️ Console output:");
|
||
#endif
|
||
print_modifiers({ CLEAR, FG_GRAY });
|
||
for (auto& message : file_result.logged_messages)
|
||
outln(" {}", message);
|
||
}
|
||
|
||
if (file_result.error.has_value()) {
|
||
auto test_error = file_result.error.value();
|
||
|
||
print_modifiers({ FG_RED });
|
||
#ifdef AK_OS_SERENITY
|
||
outln(" ❌ The file failed to parse");
|
||
#else
|
||
// No invisible byte here, but the spacing still needs to be altered on the host
|
||
outln(" ❌ The file failed to parse");
|
||
#endif
|
||
outln();
|
||
print_modifiers({ FG_GRAY });
|
||
for (auto& message : test_error.hint.split('\n', SplitBehavior::KeepEmpty)) {
|
||
outln(" {}", message);
|
||
}
|
||
print_modifiers({ FG_RED });
|
||
outln(" {}", test_error.error.to_deprecated_string());
|
||
outln();
|
||
return;
|
||
}
|
||
|
||
if (file_result.most_severe_test_result != Test::Result::Pass) {
|
||
for (auto& suite : file_result.suites) {
|
||
if (suite.most_severe_test_result == Test::Result::Pass)
|
||
continue;
|
||
|
||
bool failed = suite.most_severe_test_result == Test::Result::Fail;
|
||
|
||
print_modifiers({ FG_GRAY, FG_BOLD });
|
||
|
||
if (failed) {
|
||
#ifdef AK_OS_SERENITY
|
||
out(" ❌ Suite: ");
|
||
#else
|
||
// No invisible byte here, but the spacing still needs to be altered on the host
|
||
out(" ❌ Suite: ");
|
||
#endif
|
||
} else {
|
||
#ifdef AK_OS_SERENITY
|
||
out(" ⚠ Suite: ");
|
||
#else
|
||
// This emoji has a second invisible byte after it. The one above does not
|
||
out(" ⚠️ Suite: ");
|
||
#endif
|
||
}
|
||
|
||
print_modifiers({ CLEAR, FG_GRAY });
|
||
|
||
if (suite.name == TOP_LEVEL_TEST_NAME) {
|
||
outln("<top-level>");
|
||
} else {
|
||
outln("{}", suite.name);
|
||
}
|
||
print_modifiers({ CLEAR });
|
||
|
||
for (auto& test : suite.tests) {
|
||
if (test.result == Test::Result::Pass)
|
||
continue;
|
||
|
||
print_modifiers({ FG_GRAY, FG_BOLD });
|
||
out(" Test: ");
|
||
if (test.result == Test::Result::Fail) {
|
||
print_modifiers({ CLEAR, FG_RED });
|
||
outln("{} (failed):", test.name);
|
||
outln(" {}", test.details);
|
||
} else {
|
||
print_modifiers({ CLEAR, FG_ORANGE });
|
||
outln("{} (skipped)", test.name);
|
||
}
|
||
print_modifiers({ CLEAR });
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
}
|