export const description = `
Execution tests for the 'saturate' builtin function

S is AbstractFloat, f32, or f16
T is S or vecN<S>
@const fn saturate(e: T) -> T
Returns clamp(e, 0.0, 1.0). Component-wise when T is a vector.
`;

import { makeTestGroup } from '../../../../../../common/framework/test_group.js';
import { GPUTest } from '../../../../../gpu_test.js';
import { TypeAbstractFloat, TypeF16, TypeF32 } from '../../../../../util/conversion.js';
import { allInputSources, onlyConstInputSource, run } from '../../expression.js';

import { abstractBuiltin, builtin } from './builtin.js';
import { d } from './saturate.cache.js';

export const g = makeTestGroup(GPUTest);

g.test('abstract_float')
  .specURL('https://www.w3.org/TR/WGSL/#float-builtin-functions')
  .desc(`abstract float tests`)
  .params(u =>
    u
      .combine('inputSource', onlyConstInputSource)
      .combine('vectorize', [undefined, 2, 3, 4] as const)
  )
  .fn(async t => {
    const cases = await d.get('abstract');
    await run(
      t,
      abstractBuiltin('saturate'),
      [TypeAbstractFloat],
      TypeAbstractFloat,
      t.params,
      cases
    );
  });
g.test('f32')
  .specURL('https://www.w3.org/TR/WGSL/#float-builtin-functions')
  .desc(`f32 tests`)
  .params(u =>
    u.combine('inputSource', allInputSources).combine('vectorize', [undefined, 2, 3, 4] as const)
  )
  .fn(async t => {
    const cases = await d.get('f32');
    await run(t, builtin('saturate'), [TypeF32], TypeF32, t.params, cases);
  });

g.test('f16')
  .specURL('https://www.w3.org/TR/WGSL/#float-builtin-functions')
  .desc(`f16 tests`)
  .params(u =>
    u.combine('inputSource', allInputSources).combine('vectorize', [undefined, 2, 3, 4] as const)
  )
  .beforeAllSubcases(t => {
    t.selectDeviceOrSkipTestCase('shader-f16');
  })
  .fn(async t => {
    const cases = await d.get('f16');
    await run(t, builtin('saturate'), [TypeF16], TypeF16, t.params, cases);
  });
