amberjs 1.16.1

// JavaScript 核心基准测试
// Stage 55.1.2: JavaScript 核心基准测试用例
//
// 该模块提供 JavaScript 核心功能的基准测试，包括：
// - V8 引擎性能测试
// - Web API 性能测试
// - TypeScript 编译性能测试
// - 模块加载性能测试
// - 并发执行性能测试

use crate::benchmarks::{BenchmarkConfig, BenchmarkFramework, BenchmarkResult, MetricType};
use rusty_v8 as v8;
use std::fs;
use std::path::PathBuf;
use std::sync::{Arc, Mutex};
use std::thread;
use std::time::{Duration, Instant};

fn eval_js(isolate: &mut v8::OwnedIsolate, source: &str) {
    v8::scope!(let scope, isolate);
    let context = v8::Context::new(scope, Default::default());
    let scope = &mut v8::ContextScope::new(scope, context);
    let code = v8::String::new(scope, source).unwrap();
    let script = v8::Script::compile(scope, code, None).unwrap();
    let result = script.run(scope).unwrap();
    let _ = result.to_string(scope);
}

/// JavaScript 核心基准测试套件
pub struct JavaScriptCoreBenchmark;
impl JavaScriptCoreBenchmark {
    /// 创建新的 JavaScript 核心基准测试套件
    pub fn new() -> Self {
        Self
    }
    /// V8 引擎启动时间基准测试
    pub fn v8_startup_benchmark(&self) -> BenchmarkResult {
        let config: _ = BenchmarkConfig {
            iterations: 100,
            warmup_iterations: 10,
            timeout: Some(Duration::from_secs(30)),
            save_raw_data: true,
            compare_with_baseline: true,
        };
        let framework: _ = BenchmarkFramework::new(config);
        framework.run_benchmark("v8_startup_time", MetricType::StartupTime, || {
            // 创建新的 V8 Isolate
            let isolate: _ = v8::Isolate::new(v8::CreateParams::default());
            drop(isolate); // 立即释放
        })
    }
    /// V8 引擎执行性能基准测试
    pub fn v8_execution_benchmark(&self) -> BenchmarkResult {
        let config: _ = BenchmarkConfig {
            iterations: 1000,
            warmup_iterations: 100,
            timeout: Some(Duration::from_secs(60)),
            save_raw_data: true,
            compare_with_baseline: true,
        };
        let framework: _ = BenchmarkFramework::new(config);
        framework.run_benchmark(
            "v8_execution_performance",
            MetricType::ExecutionTime,
            || {
                // 创建 V8 Isolate 和 Context
                let mut isolate = v8::Isolate::new(v8::CreateParams::default());
                eval_js(&mut isolate, "1 + 1");
            },
        )
    }
    /// Web API fetch 性能测试
    pub fn web_api_fetch_benchmark(&self) -> BenchmarkResult {
        let config: _ = BenchmarkConfig {
            iterations: 100,
            warmup_iterations: 10,
            timeout: Some(Duration::from_secs(60)),
            save_raw_data: true,
            compare_with_baseline: true,
        };
        let framework: _ = BenchmarkFramework::new(config);
        framework.run_benchmark(
            "web_api_fetch_performance",
            MetricType::ExecutionTime,
            || {
                // 模拟 fetch API 调用
                // 注意：这里使用模拟，实际实现会使用真实的 fetch
                let start: _ = Instant::now();
                let _: _ = reqwest::blocking::get("http://localhost:3000/health")
                    .and_then(|resp| resp.text());
                let elapsed: _ = start.elapsed();
                // 返回经过的时间（纳秒）
                elapsed.as_nanos() as u64
            },
        )
    }
    /// WebSocket 连接性能测试
    pub fn websocket_benchmark(&self) -> BenchmarkResult {
        let config: _ = BenchmarkConfig {
            iterations: 50,
            warmup_iterations: 5,
            timeout: Some(Duration::from_secs(60)),
            save_raw_data: true,
            compare_with_baseline: true,
        };
        let framework: _ = BenchmarkFramework::new(config);
        framework.run_benchmark(
            "websocket_connection_performance",
            MetricType::ExecutionTime,
            || {
                // 模拟 WebSocket 连接建立
                // 注意：这里使用模拟，实际实现会使用真实的 WebSocket
                std::thread::sleep(Duration::from_millis(10));
                "websocket_connected"
            },
        )
    }
    /// TypeScript 编译性能测试
    pub fn typescript_compilation_benchmark(&self) -> BenchmarkResult {
        let config: _ = BenchmarkConfig {
            iterations: 50,
            warmup_iterations: 5,
            timeout: Some(Duration::from_secs(120)),
            save_raw_data: true,
            compare_with_baseline: true,
        };
        let framework: _ = BenchmarkFramework::new(config);
        framework.run_benchmark(
            "typescript_compilation_performance",
            MetricType::ExecutionTime,
            || {
                // 模拟 TypeScript 编译
                let ts_code: _ = r#"
                    interface User {
                        id: number;
                        name: string;
                        email?: string;
                    }
                    class UserManager {
                        private users: User[] = [];
                        addUser(user: User): void {
                            this.users.push(user);
                        }
                        getUser(id: number): User | undefined {
                            return this.users.find(u => u.id === id);
                        }
                    }
                "#;
                // 这里应该调用实际的 TypeScript 编译器
                // 现在使用模拟
                std::thread::sleep(Duration::from_millis(5));
                ts_code.len()
            },
        )
    }
    /// 模块加载性能测试
    pub fn module_loading_benchmark(&self) -> BenchmarkResult {
        let config: _ = BenchmarkConfig {
            iterations: 100,
            warmup_iterations: 10,
            timeout: Some(Duration::from_secs(60)),
            save_raw_data: true,
            compare_with_baseline: true,
        };
        let framework: _ = BenchmarkFramework::new(config);
        framework.run_benchmark(
            "module_loading_performance",
            MetricType::ExecutionTime,
            || {
                // 模拟模块加载
                let mut path = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
                path.push("tests");
                path.push("test_modules");
                path.push("test_module.js");
                // 如果文件存在，尝试读取
                if path.exists() {
                    let _: _ = fs::read_to_string(path);
                } else {
                    // 模拟模块加载延迟
                    std::thread::sleep(Duration::from_millis(1));
                }
                "module_loaded"
            },
        )
    }
    /// 并发执行性能测试
    pub fn concurrent_execution_benchmark(&self) -> BenchmarkResult {
        let config: _ = BenchmarkConfig {
            iterations: 100,
            warmup_iterations: 10,
            timeout: Some(Duration::from_secs(60)),
            save_raw_data: true,
            compare_with_baseline: true,
        };
        let framework: _ = BenchmarkFramework::new(config);
        framework.run_benchmark(
            "concurrent_execution_performance",
            MetricType::ExecutionTime,
            || {
                let num_threads: _ = 10;
                let results: _ = Arc::new(Mutex::new(Vec::new()));
                let mut handles = vec![];
                for _ in 0..num_threads {
                    let results_clone: _ = Arc::clone(&results);
                    let handle: _ = thread::spawn(move || {
                        // 在每个线程中执行 JavaScript 代码
                        let mut isolate = v8::Isolate::new(v8::CreateParams::default());
                        eval_js(&mut isolate, "for(let i=0;i<1000;i++){}");
                        let result: _ =
                            format!("thread_complete_{:?}", std::thread::current().id());
                        {
                            let mut vec = results_clone.lock().unwrap();
                            vec.push(result);
                        }
                    });
                    handles.push(handle);
                }
                for handle in handles {
                    handle.join().unwrap();
                }
                let results: _ = results.lock().unwrap();
                results.len()
            },
        )
    }
    /// 运行所有 JavaScript 核心基准测试
    pub fn run_all_benchmarks(&self) -> Vec<BenchmarkResult> {
        vec![
            self.v8_startup_benchmark(),
            self.v8_execution_benchmark(),
            // self.web_api_fetch_benchmark(), // 需要网络连接，跳过
            // self.websocket_benchmark(), // 需要网络连接，跳过
            self.typescript_compilation_benchmark(),
            self.module_loading_benchmark(),
            self.concurrent_execution_benchmark(),
        ]
    }
}
#[cfg(test)]
mod tests {
    #[test]
    fn test_javascript_core_benchmark_creation() {
        // Ensure V8 is initialized before running the benchmark
        crate::initialize_v8().expect("Failed to initialize V8");
        let benchmark: _ = JavaScriptCoreBenchmark::new();
        assert!(!benchmark.run_all_benchmarks().is_empty());
    }
    #[test]
    fn test_v8_startup_benchmark() {
        // Ensure V8 is initialized before running the benchmark
        crate::initialize_v8().expect("Failed to initialize V8");
        let benchmark: _ = JavaScriptCoreBenchmark::new();
        let result: _ = benchmark.v8_startup_benchmark();
        assert_eq!(result.name, "v8_startup_time");
        assert_eq!(result.metric_type, MetricType::StartupTime);
        assert!(result.iterations > 0);
        assert!(result.avg_duration.as_secs_f64() > 0.0);
    }
    #[test]
    fn test_typescript_compilation_benchmark() {
        // Ensure V8 is initialized before running the benchmark
        crate::initialize_v8().expect("Failed to initialize V8");
        let benchmark: _ = JavaScriptCoreBenchmark::new();
        let result: _ = benchmark.typescript_compilation_benchmark();
        assert_eq!(result.name, "typescript_compilation_performance");
        assert_eq!(result.metric_type, MetricType::ExecutionTime);
        assert!(result.iterations > 0);
    }
}