gpu.js/test/issues/401-cpu-canvas-check.js

const { assert, skip, test, module: describe } = require('qunit');
const { GPU, CPUKernel } = require('../../src');

describe('issue #401');

test('Issue #401 - cpu no canvas graphical', function(assert) {
	assert.throws(function() {
		CPUKernel.prototype.build.apply({
			setupConstants: function() {},
			setupArguments: function() {},
			validateSettings: function() {},
			getKernelString: function() {},
			graphical: true,
			output: [1],
			canvas: null
		}, []);
	},
		new Error('no canvas available for using graphical output'),
		'throws when canvas is not available and using graphical output');
});

test('Issue #401 - cpu no canvas', function(assert) {
	CPUKernel.prototype.build.apply({
		setupConstants: function() {},
		setupArguments: function() {},
		validateSettings: function() {},
		getKernelString: function() {},
		graphical: false,
		output: [1],
		canvas: null
	}, []);
	assert.equal(true, true, 'ok when canvas is not available and not using graphical output');
});