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

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

describe('issue #207');

function sameFunctionReuse(mode) {

const gpu = new GPU({ mode });

const kernel = gpu.createKernel(function(kernelArg1, kernelArg2) {

function someFun1(someFun1Arg1, someFun1Arg2) {

return customAdder(someFun1Arg1, someFun1Arg2);

}

function someFun2(someFun2Arg1, someFun2Arg2) {

return customAdder(someFun2Arg1, someFun2Arg2);

}

function customAdder(customAdderArg1, customAdderArg2) {

return customAdderArg1 + customAdderArg2;

}

return someFun1(1, 2) + someFun2(kernelArg1[this.thread.x], kernelArg2[this.thread.x]);

})

.setOutput([6]);

const a = [1, 2, 3, 5, 6, 7];

const b = [4, 5, 6, 1, 2, 3];

const result = kernel(a,b);

assert.deepEqual(Array.from(result), [8, 10, 12, 9, 11, 13]);

gpu.destroy();

}

test('Issue #207 - same function reuse auto', () => {

sameFunctionReuse(null);

});

test('Issue #207 - same function reuse gpu', () => {

sameFunctionReuse('gpu');

});

(GPU.isWebGLSupported ? test : skip)('Issue #207 - same function reuse webgl', () => {

sameFunctionReuse('webgl');

});

(GPU.isWebGL2Supported ? test : skip)('Issue #207 - same function reuse webgl2', () => {

sameFunctionReuse('webgl2');

});

(GPU.isHeadlessGLSupported ? test : skip)('Issue #207 - same function reuse headlessgl', () => {

sameFunctionReuse('headlessgl');

});

test('Issue #207 - same function reuse cpu', () => {

sameFunctionReuse('cpu');

});