50 lines
1.5 KiB
JavaScript
50 lines
1.5 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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describe('ffi_cif', function () {
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{
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// Never garbage collect CIF structs during these tests.
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let save;
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beforeEach(() => save = process.env.DEBUG, process.env.DEBUG += ';ffi');
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afterEach(() => process.env.DEBUG = save);
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}
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afterEach(global.gc);
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it('should return a Buffer representing the `ffi_cif` instance', function () {
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const cif = ffi.CIF(ref.types.void, [ ]);
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assert(Buffer.isBuffer(cif));
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});
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it('should throw an Error when given an invalid "type"', function () {
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const ffi_type = new ffi.FFI_TYPE;
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ffi_type.size = 0;
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ffi_type.alignment = 0;
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ffi_type.type = 0;
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ffi_type.elements = ref.NULL;
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const bad_type = { size: 1, indirection: 1, ffi_type: ffi_type.ref() };
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assert.throws(function () {
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ffi.CIF(bad_type, []);
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}, function (err) {
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assert(err.message.indexOf('FFI_BAD_TYPEDEF') !== -1);
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assert.strictEqual('FFI_BAD_TYPEDEF', err.code);
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assert.strictEqual(ffi.FFI_BAD_TYPEDEF, err.errno);
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return true;
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});
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});
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it('should throw an Error when given an invalid ABI argument', function () {
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assert.throws(function () {
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ffi.CIF(ref.types.void, [], -1);
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}, function (err) {
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assert(err.message.indexOf('FFI_BAD_ABI') !== -1);
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assert.strictEqual('FFI_BAD_ABI', err.code);
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assert.strictEqual(ffi.FFI_BAD_ABI, err.errno);
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return true;
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});
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});
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});
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