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

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

describe('function return');

function functionReturn( mode ) {

const gpu = new GPU({ mode });

const f = gpu.createKernel(function() {

return 42.0;

}, {

output : [1]

});

assert.ok( f !== null, "function generated test");

assert.equal(f()[0], 42.0, "basic return function test");

gpu.destroy();

}

test("auto", () => {

functionReturn(null);

});

test("gpu", () => {

functionReturn("gpu");

});

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

functionReturn("webgl");

});

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

functionReturn("webgl2");

});

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

functionReturn("headlessgl");

});

test("cpu", () => {

functionReturn("cpu");

});