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

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

describe('issue #357');

// complimentary tests in features/arithmetic-operators.js & features/assignment-operators.js

function testModKernel(mode) {

const gpu = new GPU({mode});

const nValues = 100;

const myFunc3 = gpu.createKernel(function(x) {

return x[this.thread.x % 3];

}).setOutput([nValues]);

const input = [1, 2, 3];

myFunc3(input);

const expected = new Float32Array(nValues);

for (let i = 0; i < nValues; i++) {

expected[i] = input[i % 3];

}

assert.deepEqual(myFunc3([1, 2, 3]), expected);

gpu.destroy();

}

(GPU.isWebGLSupported ? test : skip)('Issue #357 - modulus issue webgl', () => {

testModKernel('webgl');

});

(GPU.isWebGL2Supported ? test : skip)('Issue #357 - modulus issue webgl2', () => {

testModKernel('webgl2');

});

(GPU.isHeadlessGLSupported ? test : skip)('Issue #357 - modulus issue headlessgl', () => {

testModKernel('headlessgl');

});