43 lines
1.4 KiB
JavaScript
43 lines
1.4 KiB
JavaScript
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'use strict';
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const assert = require('assert');
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const ref = require('ref-napi');
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const ffi = require('../');
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const bindings = require('node-gyp-build')(__dirname);
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describe('Function "type"', function () {
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afterEach(global.gc);
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it('should be a function', function () {
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assert.strictEqual('function', typeof ffi.Function);
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});
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var voidFn = ffi.Function('void', []);
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it('should return a "type" object when invoked with a return type and array of arguments types', function () {
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assert(voidFn);
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assert.strictEqual('function', typeof voidFn.get);
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assert.strictEqual('function', typeof voidFn.set);
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});
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it('should be accepted as a return "type" to a ForeignFunction', function () {
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ffi.ForeignFunction(ref.NULL, voidFn, []);
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});
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it('should be accepted as an argument "type" to a ForeignFunction', function () {
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ffi.ForeignFunction(ref.NULL, 'void', [ voidFn ])
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});
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it('should work as expected using the "callback_func" static bindings', function () {
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const fn = ffi.Function('int', [ 'int' ]);
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const callback_func = ffi.ForeignFunction(bindings.callback_func, fn, [ fn ]);
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const abs = callback_func(Math.abs);
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assert.strictEqual('function', typeof abs);
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assert.strictEqual(Math.abs(-5), abs(-5));
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assert.strictEqual(Math.abs(-9), abs(-9));
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assert.strictEqual(Math.abs(-69), abs(-69));
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assert.strictEqual(Math.abs(3), abs(3));
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});
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});
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