wgpu/tests/gpu-tests/resource_error.rs

use wgpu_test::{fail, gpu_test, valid, GpuTestConfiguration};

#[gpu_test]
static BAD_BUFFER: GpuTestConfiguration = GpuTestConfiguration::new().run_sync(|ctx| {
    // Create a buffer with bad parameters and call a few methods.
    // Validation should fail but there should be not panic.
    let buffer = fail(
        &ctx.device,
        || {
            ctx.device.create_buffer(&wgpu::BufferDescriptor {
                label: None,
                size: 99999999,
                usage: wgpu::BufferUsages::MAP_READ | wgpu::BufferUsages::STORAGE,
                mapped_at_creation: false,
            })
        },
        Some("`map` usage can only be combined with the opposite `copy`"),
    );

    fail(
        &ctx.device,
        || buffer.slice(..).map_async(wgpu::MapMode::Write, |_| {}),
        Some("Buffer with '' label is invalid"),
    );
    fail(
        &ctx.device,
        || buffer.unmap(),
        Some("Buffer with '' label is invalid"),
    );
    valid(&ctx.device, || buffer.destroy());
    valid(&ctx.device, || buffer.destroy());
});

#[gpu_test]
static BAD_TEXTURE: GpuTestConfiguration = GpuTestConfiguration::new().run_sync(|ctx| {
    let texture = fail(
        &ctx.device,
        || {
            ctx.device.create_texture(&wgpu::TextureDescriptor {
                label: None,
                size: wgpu::Extent3d {
                    width: 0,
                    height: 12345678,
                    depth_or_array_layers: 9001,
                },
                mip_level_count: 2000,
                sample_count: 27,
                dimension: wgpu::TextureDimension::D2,
                format: wgpu::TextureFormat::Rgba8UnormSrgb,
                usage: wgpu::TextureUsages::all(),
                view_formats: &[],
            })
        },
        Some("dimension x is zero"),
    );

    fail(
        &ctx.device,
        || {
            let _ = texture.create_view(&wgpu::TextureViewDescriptor::default());
        },
        Some("Texture with '' label is invalid"),
    );
    valid(&ctx.device, || texture.destroy());
    valid(&ctx.device, || texture.destroy());
});