refactor: improve test infrastructure and fix OpenGL GLAD initialization

- Rename D3D12Enum.h to D3D12Enums.h for naming consistency
- Fix OpenGL unit test GLAD initialization by using gladLoadGL()
  instead of gladLoadGLLoader(wglGetProcAddress) for fallback support
- Migrate remaining tests to use gtest_discover_tests for granular
  test discovery (math, core, containers, memory, threading, debug,
  components, scene, resources, input, opengl)
- Remove obsolete TEST_RESOURCES_DIR and copy_directory commands
  from OpenGL unit test CMakeLists (minimal/Res doesn't exist)
- Update TEST_SPEC.md with performance metrics and per-module
  build/test commands for faster development workflow
- Update CMake path references to use lowercase paths
This commit is contained in:
2026-03-23 00:43:02 +08:00
parent 0f0ab8922a
commit f427699ac6
100 changed files with 1191 additions and 1136 deletions

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# ReadWriteLock::ReadWriteLock
```cpp
ReadWriteLock() = default;
```
默认构造函数。构造一个未锁定的读写锁。
**参数:**
**返回:**
**线程安全:**
**复杂度:** O(1)
**注意:**
- 构造后的锁处于未锁定状态。
- 多个线程可以同时获取读锁。
**示例:**
```cpp
#include "XCEngine/Threading/ReadWriteLock.h"
XCEngine::Threading::ReadWriteLock rwLock;
```
## 相关文档
- [`ReadWriteLock`](readwritelock.md) - 返回类总览
- [`ReadLock`](readlock.md) - 获取读锁
- [`ReadUnlock`](readunlock.md) - 释放读锁
- [`WriteLock`](writelock.md) - 获取写锁
- [`WriteUnlock`](writeunlock.md) - 释放写锁

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# ReadWriteLock::~ReadWriteLock
```cpp
~ReadWriteLock() = default;
```
默认析构函数。销毁读写锁。
**参数:**
**返回:**
**线程安全:** ⚠️
**复杂度:** O(1)
**注意:**
- 析构前必须确保锁处于未锁定状态。
- 如果在持有锁的状态下销毁行为未定义。
**示例:**
```cpp
#include "XCEngine/Threading/ReadWriteLock.h"
{
XCEngine::Threading::ReadWriteLock rwLock;
rwLock.ReadLock();
// ... 使用共享数据 ...
rwLock.ReadUnlock();
} // rwLock 在这里销毁
```
## 相关文档
- [`ReadWriteLock`](readwritelock.md) - 返回类总览
- [`ReadLock`](readlock.md) - 获取读锁
- [`ReadUnlock`](readunlock.md) - 释放读锁
- [`WriteLock`](writelock.md) - 获取写锁
- [`WriteUnlock`](writeunlock.md) - 释放写锁

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# ReadWriteLock
**命名空间**: `XCEngine::Threading`
**类型**: `class`
**头文件**: `XCEngine/Threading/ReadWriteLock.h`
**描述**: 读写锁,允许多个读者或单个写者
## 概述
`ReadWriteLock` 实现了一个经典的读写锁。它允许多个线程同时持有读锁,但在有写锁时,所有读锁都必须释放,写锁为独占访问。这对于读操作远多于写操作的共享数据非常有效。
### 设计目的
- 提供比普通互斥锁更高的并发性能
- 允许多个线程同时读取共享数据
- 确保写入操作时的独占性访问
- 防止写者饥饿(通过写者优先策略)
### 使用场景
- 读多写少的共享数据访问
- 需要保护长时间读取的数据结构
- 数据库、缓存、配置等共享资源访问
## 公共方法
| 方法 | 描述 |
|------|------|
| [`ReadWriteLock`](constructor.md) | 构造一个读写锁 |
| [`~ReadWriteLock`](destructor.md) | 销毁读写锁 |
| [`ReadLock`](readlock.md) | 获取读锁(支持多个并发读者) |
| [`ReadUnlock`](readunlock.md) | 释放读锁 |
| [`WriteLock`](writelock.md) | 获取写锁(独占,阻塞所有读者和写者) |
| [`WriteUnlock`](writeunlock.md) | 释放写锁 |
## 使用示例
```cpp
#include "XCEngine/Threading/ReadWriteLock.h"
#include <thread>
#include <vector>
#include <iostream>
#include <map>
XCEngine::Threading::ReadWriteLock rwLock;
std::map<std::string, int> sharedCache;
// 读操作(多个线程可同时读)
int ReadData(const std::string& key) {
rwLock.ReadLock();
int value = 0;
auto it = sharedCache.find(key);
if (it != sharedCache.end()) {
value = it->second;
}
rwLock.ReadUnlock();
return value;
}
// 写操作(独占)
void WriteData(const std::string& key, int value) {
rwLock.WriteLock();
sharedCache[key] = value;
rwLock.WriteUnlock();
}
int main() {
std::vector<std::thread> threads;
threads.emplace_back(WriteData, "score", 100);
threads.emplace_back(ReadData, "score");
threads.emplace_back(WriteData, "health", 200);
threads.emplace_back(ReadData, "health");
for (auto& t : threads) {
t.join();
}
return 0;
}
```
## 相关文档
- [`ReadLock`](readlock.md) - 获取读锁
- [`ReadUnlock`](readunlock.md) - 释放读锁
- [`WriteLock`](writelock.md) - 获取写锁
- [`WriteUnlock`](writeunlock.md) - 释放写锁

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# ReadWriteLock::ReadLock
```cpp
void ReadLock()
```
获取读锁。如果有写者持有锁或正在等待写锁,当前线程将阻塞,直到所有写者完成。
**参数:**
**返回:**
**线程安全:**
**复杂度:** 平均 O(1)
**注意:**
- 多个读者可以同时持有读锁。
- 写锁具有优先权——正在等待的写者会阻塞新的读者,防止写者饥饿。
- 读锁不可重入,同一线程不可嵌套持有读锁。
**示例:**
```cpp
#include "XCEngine/Threading/ReadWriteLock.h"
XCEngine::Threading::ReadWriteLock rwLock;
int sharedValue = 0;
int ReadValue() {
rwLock.ReadLock();
int value = sharedValue;
rwLock.ReadUnlock();
return value;
}
```
## 相关文档
- [`ReadWriteLock`](readwritelock.md) - 返回类总览
- [`ReadUnlock`](readunlock.md) - 释放读锁

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# ReadWriteLock::ReadUnlock
```cpp
void ReadUnlock()
```
释放读锁。如果这是最后一个读者,将唤醒等待中的写者。
**参数:**
**返回:**
**线程安全:**
**复杂度:** O(1)
**注意:** 必须与 ReadLock 配对使用,且在持有读锁的线程中调用。
**示例:**
```cpp
#include "XCEngine/Threading/ReadWriteLock.h"
XCEngine::Threading::ReadWriteLock rwLock;
float sharedData = 0.0f;
float GetData() {
rwLock.ReadLock();
float data = sharedData;
rwLock.ReadUnlock();
return data;
}
```
## 相关文档
- [`ReadWriteLock`](readwritelock.md) - 返回类总览
- [`ReadLock`](readlock.md) - 获取读锁

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# ReadWriteLock::WriteLock
```cpp
void WriteLock()
```
获取写锁(独占)。如果有读者持有锁或有其他写者正在等待,当前线程将阻塞,直到获得独占访问权。
**参数:**
**返回:**
**线程安全:**
**复杂度:** 平均 O(1),写者饥饿时可能 O(n)
**注意:**
- 写锁为独占访问,持有期间不允许任何读锁或写锁。
- 写锁具有优先权,会阻塞后续到达的读者。
- 同一线程不可重复 WriteLock。
**示例:**
```cpp
#include "XCEngine/Threading/ReadWriteLock.h"
#include <vector>
XCEngine::Threading::ReadWriteLock rwLock;
std::vector<int> buffer;
void Append(int value) {
rwLock.WriteLock();
buffer.push_back(value);
rwLock.WriteUnlock();
}
```
## 相关文档
- [`ReadWriteLock`](readwritelock.md) - 返回类总览
- [`WriteUnlock`](writeunlock.md) - 释放写锁

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# ReadWriteLock::WriteUnlock
```cpp
void WriteUnlock()
```
释放写锁。唤醒所有等待中的读者和下一个写者。
**参数:**
**返回:**
**线程安全:**
**复杂度:** O(1)
**注意:** 必须在持有写锁的线程中调用。
**示例:**
```cpp
#include "XCEngine/Threading/ReadWriteLock.h"
#include <unordered_map>
#include <string>
XCEngine::Threading::ReadWriteLock rwLock;
std::unordered_map<std::string, int> cache;
void UpdateCache(const std::string& key, int value) {
rwLock.WriteLock();
cache[key] = value;
rwLock.WriteUnlock();
}
```
## 相关文档
- [`ReadWriteLock`](readwritelock.md) - 返回类总览
- [`WriteLock`](writelock.md) - 获取写锁