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

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

describe('issue #470 - modulus wrong');

function testModulusWrong(mode) {

const gpu = new GPU({ mode });

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

return this.thread.x % mod;

}, {

output: [10],

argumentTypes: {

mod: 'Integer',

},

});

const result = kernel(6);

assert.equal(kernel.argumentTypes[0], 'Integer');

assert.equal(result[0], 0 % 6);

assert.equal(result[1], 1 % 6);

assert.equal(result[2], 2 % 6);

assert.equal(result[3], 3 % 6);

assert.equal(result[4], 4 % 6);

assert.equal(result[5], 5 % 6);

assert.equal(result[6], 6 % 6);

assert.equal(result[7], 7 % 6);

assert.equal(result[8], 8 % 6);

assert.equal(result[9], 9 % 6);

}

test('auto', () => {

testModulusWrong();

});

test('gpu', () => {

testModulusWrong('gpu');

});

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

testModulusWrong('webgl');

});

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

testModulusWrong('webgl2');

});

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

testModulusWrong('headlessgl');

});

test('cpu', () => {

testModulusWrong('cpu');

});