const { assert, skip, test, module: describe } = require('qunit');

const { GPU } = require('../../src');

describe('features: constants float');

function floatConstantTest(mode) {

const gpu = new GPU({ mode });

const float = 200.01;

const tryConst = gpu.createKernel(

function() {

return this.constants.float;

},

{

constants: { float },

output: [2]

},

);

const result = tryConst();

const match = new Float32Array([200.01, 200.01]);

const test = (

result[0].toFixed(1) === match[0].toFixed(1)

&& result[1].toFixed(1) === match[1].toFixed(1)

);

assert.ok(test, 'float constant passed test');

gpu.destroy();

}

test('auto', () => {

floatConstantTest(null);

});

test('gpu', () => {

floatConstantTest('gpu');

});

(GPU.isWebGLSupported ? test : skip)('webgl', () => {

floatConstantTest('webgl');

});

(GPU.isWebGL2Supported ? test : skip)('webgl2', () => {

floatConstantTest('webgl2');

});

(GPU.isHeadlessGLSupported ? test : skip)('headlessgl', () => {

floatConstantTest('headlessgl');

});

test('cpu', () => {

floatConstantTest('cpu');

});