Add Vulkan resource view unit coverage

tests/RHI/Vulkan/TEST_SPEC.md

@@ -53,6 +53,8 @@ tests/RHI/Vulkan/
 - SPIR-V / GLSL 两条 shader 创建路径
 - 基于 GLSL 的 graphics pipeline 创建
 - UAV 视图创建与 compute dispatch 写纹理链路
+- RTV / DSV / SRV 视图创建与原生 image-view 句柄有效性
+- `Sampler` 创建与原生 sampler 句柄有效性
 - `DescriptorSet` 的原生句柄、绑定布局元数据与常量缓冲脏标记行为
 - `PipelineLayout` 的显式 set-layout 聚合与 flat-count 合成逻辑
 

tests/RHI/Vulkan/unit/CMakeLists.txt

@@ -16,6 +16,7 @@ set(TEST_SOURCES
     test_pipeline_layout.cpp
     test_render_pass.cpp
     test_shader.cpp
+    test_views.cpp
 )
 
 add_executable(rhi_vulkan_tests ${TEST_SOURCES})

tests/RHI/Vulkan/unit/test_views.cpp

@@ -0,0 +1,86 @@
+#if defined(XCENGINE_SUPPORT_VULKAN)
+
+#include "fixtures/VulkanTestFixture.h"
+#include "XCEngine/RHI/RHIResourceView.h"
+#include "XCEngine/RHI/RHISampler.h"
+#include "XCEngine/RHI/Vulkan/VulkanResourceView.h"
+#include "XCEngine/RHI/Vulkan/VulkanSampler.h"
+
+using namespace XCEngine::RHI;
+
+namespace {
+
+TEST_F(VulkanGraphicsFixture, CreateRenderTargetViewProducesValidNativeImageView) {
+    RHITexture* texture = m_device->CreateTexture(CreateColorTextureDesc(8, 8));
+    ASSERT_NE(texture, nullptr);
+
+    RHIResourceView* rtv = m_device->CreateRenderTargetView(texture, {});
+    ASSERT_NE(rtv, nullptr);
+    EXPECT_TRUE(rtv->IsValid());
+    EXPECT_EQ(rtv->GetViewType(), ResourceViewType::RenderTarget);
+    EXPECT_NE(rtv->GetNativeHandle(), nullptr);
+    EXPECT_NE(static_cast<VulkanResourceView*>(rtv)->GetImageView(), VK_NULL_HANDLE);
+
+    rtv->Shutdown();
+    delete rtv;
+    texture->Shutdown();
+    delete texture;
+}
+
+TEST_F(VulkanGraphicsFixture, CreateDepthStencilViewProducesValidNativeImageView) {
+    RHITexture* texture = m_device->CreateTexture(CreateDepthTextureDesc(8, 8));
+    ASSERT_NE(texture, nullptr);
+
+    RHIResourceView* dsv = m_device->CreateDepthStencilView(texture, {});
+    ASSERT_NE(dsv, nullptr);
+    EXPECT_TRUE(dsv->IsValid());
+    EXPECT_EQ(dsv->GetViewType(), ResourceViewType::DepthStencil);
+    EXPECT_NE(dsv->GetNativeHandle(), nullptr);
+    EXPECT_NE(static_cast<VulkanResourceView*>(dsv)->GetImageView(), VK_NULL_HANDLE);
+
+    dsv->Shutdown();
+    delete dsv;
+    texture->Shutdown();
+    delete texture;
+}
+
+TEST_F(VulkanGraphicsFixture, CreateShaderResourceViewProducesValidNativeImageView) {
+    RHITexture* texture = m_device->CreateTexture(CreateColorTextureDesc(8, 8));
+    ASSERT_NE(texture, nullptr);
+
+    RHIResourceView* srv = m_device->CreateShaderResourceView(texture, {});
+    ASSERT_NE(srv, nullptr);
+    EXPECT_TRUE(srv->IsValid());
+    EXPECT_EQ(srv->GetViewType(), ResourceViewType::ShaderResource);
+    EXPECT_NE(srv->GetNativeHandle(), nullptr);
+    EXPECT_NE(static_cast<VulkanResourceView*>(srv)->GetImageView(), VK_NULL_HANDLE);
+
+    srv->Shutdown();
+    delete srv;
+    texture->Shutdown();
+    delete texture;
+}
+
+TEST_F(VulkanGraphicsFixture, CreateSamplerProducesValidNativeSampler) {
+    SamplerDesc desc = {};
+    desc.filter = static_cast<uint32_t>(FilterMode::Linear);
+    desc.addressU = static_cast<uint32_t>(TextureAddressMode::Clamp);
+    desc.addressV = static_cast<uint32_t>(TextureAddressMode::Clamp);
+    desc.addressW = static_cast<uint32_t>(TextureAddressMode::Clamp);
+    desc.comparisonFunc = static_cast<uint32_t>(ComparisonFunc::Always);
+    desc.maxAnisotropy = 1;
+    desc.minLod = 0.0f;
+    desc.maxLod = 1000.0f;
+
+    RHISampler* sampler = m_device->CreateSampler(desc);
+    ASSERT_NE(sampler, nullptr);
+    EXPECT_NE(sampler->GetNativeHandle(), nullptr);
+    EXPECT_NE(static_cast<VulkanSampler*>(sampler)->GetSampler(), VK_NULL_HANDLE);
+
+    sampler->Shutdown();
+    delete sampler;
+}
+
+} // namespace
+
+#endif