Add validation tests ensuring destroyed textures and buffers cause submission to fail (#7181)

tests/validation_tests/api/buffer.rs

@@ -2,6 +2,28 @@
 
 use core::num::NonZero;
 
+/// Ensures that submitting a command buffer referencing an already destroyed buffer
+/// results in an error.
+#[test]
+#[should_panic = "Buffer with '' label has been destroyed"]
+fn destroyed_buffer() {
+    let (device, queue) = crate::request_noop_device();
+    let buffer = device.create_buffer(&wgpu::BufferDescriptor {
+        label: None,
+        size: 1024,
+        usage: wgpu::BufferUsages::COPY_DST,
+        mapped_at_creation: false,
+    });
+
+    let mut encoder =
+        device.create_command_encoder(&wgpu::CommandEncoderDescriptor { label: None });
+    encoder.clear_buffer(&buffer, 0, None);
+
+    buffer.destroy();
+
+    queue.submit([encoder.finish()]);
+}
+
 mod buffer_slice {
     use super::*;
 

tests/validation_tests/api/mod.rs

@@ -1 +1,2 @@
 mod buffer;
+mod texture;

tests/validation_tests/api/texture.rs

@@ -0,0 +1,56 @@
+//! Tests of [`wgpu::Texture`] and related.
+
+/// Ensures that submitting a command buffer referencing an already destroyed texture
+/// results in an error.
+#[test]
+#[should_panic = "Texture with 'dst' label has been destroyed"]
+fn destroyed_texture() {
+    let (device, queue) = crate::request_noop_device();
+    let size = wgpu::Extent3d {
+        width: 256,
+        height: 256,
+        depth_or_array_layers: 1,
+    };
+    let texture_src = device.create_texture(&wgpu::TextureDescriptor {
+        label: Some("src"),
+        size,
+        mip_level_count: 1,
+        sample_count: 1,
+        dimension: wgpu::TextureDimension::D2,
+        format: wgpu::TextureFormat::Rgba8Unorm,
+        usage: wgpu::TextureUsages::COPY_SRC,
+        view_formats: &[],
+    });
+    let texture_dst = device.create_texture(&wgpu::TextureDescriptor {
+        label: Some("dst"),
+        size,
+        mip_level_count: 1,
+        sample_count: 1,
+        dimension: wgpu::TextureDimension::D2,
+        format: wgpu::TextureFormat::Rgba8Unorm,
+        usage: wgpu::TextureUsages::COPY_DST,
+        view_formats: &[],
+    });
+
+    let mut encoder =
+        device.create_command_encoder(&wgpu::CommandEncoderDescriptor { label: None });
+    encoder.copy_texture_to_texture(
+        wgpu::TexelCopyTextureInfo {
+            texture: &texture_src,
+            mip_level: 0,
+            origin: wgpu::Origin3d::ZERO,
+            aspect: wgpu::TextureAspect::All,
+        },
+        wgpu::TexelCopyTextureInfo {
+            texture: &texture_dst,
+            mip_level: 0,
+            origin: wgpu::Origin3d::ZERO,
+            aspect: wgpu::TextureAspect::All,
+        },
+        size,
+    );
+
+    texture_dst.destroy();
+
+    queue.submit([encoder.finish()]);
+}