mirror-webgpu-cts/src/webgpu/api/validation/queue_submit.spec.ts

export const description = `
queue submit validation tests.
`;

import { makeTestGroup } from '../../../common/framework/test_group.js';

import { ValidationTest } from './validation_test.js';

export const g = makeTestGroup(ValidationTest);

g.test('submitting_with_a_mapped_buffer_is_disallowed').fn(async t => {
  const buffer = t.device.createBuffer({
    size: 4,
    usage: GPUBufferUsage.MAP_WRITE | GPUBufferUsage.COPY_SRC,
  });

  const targetBuffer = t.device.createBuffer({
    size: 4,
    usage: GPUBufferUsage.COPY_DST,
  });

  const getCommandBuffer = (): GPUCommandBuffer => {
    const commandEncoder = t.device.createCommandEncoder();
    commandEncoder.copyBufferToBuffer(buffer, 0, targetBuffer, 0, 4);
    return commandEncoder.finish();
  };

  // Submitting when the buffer has never been mapped should succeed
  t.queue.submit([getCommandBuffer()]);

  // Map the buffer, submitting when the buffer is mapped should fail
  await buffer.mapWriteAsync();
  t.queue.submit([]);

  t.expectValidationError(() => {
    t.queue.submit([getCommandBuffer()]);
  });

  // Unmap the buffer, queue submit should succeed
  buffer.unmap();
  t.queue.submit([getCommandBuffer()]);
});