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

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

describe('issue #410 - if statement when unsigned on NVidia');

function ifStatement(mode) {

const gpu = new GPU({ mode });

const kernel = gpu.createKernel(function(a) {

const paramDenom = a[this.thread.x][1] - a[this.thread.x][0];

if(paramDenom === 0) {

return 100;

}

return 200;

})

.setPrecision('unsigned')

.setOutput([2]);

const result =

kernel(

[

[0, 0],

[0, 2]

]

);

assert.deepEqual(Array.from(result), [100,200]);

gpu.destroy();

}

test('auto', () => {

ifStatement();

});

test('gpu', () => {

ifStatement('gpu');

});

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

ifStatement('webgl');

});

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

ifStatement('webgl2');

});

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

ifStatement('headlessgl');

});

test('cpu', () => {

ifStatement('cpu');

});