23 lines
687 B
JavaScript
23 lines
687 B
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 errno = ffi.errno;
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describe('errno()', 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 errno);
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});
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it('should set the errno with out-of-range "strtoul" value', function () {
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const lib = process.platform == 'win32' ? 'msvcrt' : 'libc';
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const strtoul = new ffi.Library(lib, {
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'strtoul': [ 'ulong', [ 'string', 'string', 'int' ] ]
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}).strtoul;
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strtoul('1234567890123456789012345678901234567890', null, 0);
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assert.strictEqual(34, errno()); // errno == ERANGE
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});
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});
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