mirror of
https://github.com/zebrajr/node.git
synced 2025-12-07 12:20:50 +01:00
77d81979a3
PR-URL: https://github.com/nodejs/node/pull/60190 Reviewed-By: Chengzhong Wu <legendecas@gmail.com>
103 lines
3.4 KiB
JavaScript
103 lines
3.4 KiB
JavaScript
// This test is adopted from V8's test suite.
|
|
// See deps/v8/test/mjsunit/instanceof.js in Node.js source repository.
|
|
//
|
|
// Copyright 2008 the V8 project authors. All rights reserved.
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are
|
|
// met:
|
|
//
|
|
// * Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above
|
|
// copyright notice, this list of conditions and the following
|
|
// disclaimer in the documentation and/or other materials provided
|
|
// with the distribution.
|
|
// * Neither the name of Google Inc. nor the names of its
|
|
// contributors may be used to endorse or promote products derived
|
|
// from this software without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
'use strict';
|
|
|
|
const common = require('../../common');
|
|
const addon = require(`./build/${common.buildType}/test_general`);
|
|
const assert = require('assert');
|
|
|
|
assert.ok(addon.doInstanceOf({}, Object));
|
|
assert.ok(addon.doInstanceOf([], Object));
|
|
|
|
assert.ok(!addon.doInstanceOf({}, Array));
|
|
assert.ok(addon.doInstanceOf([], Array));
|
|
|
|
function TestChains() {
|
|
const A = {};
|
|
const B = {};
|
|
const C = {};
|
|
Object.setPrototypeOf(B, A);
|
|
Object.setPrototypeOf(C, B);
|
|
|
|
function F() { }
|
|
F.prototype = A;
|
|
assert.ok(addon.doInstanceOf(C, F));
|
|
assert.ok(addon.doInstanceOf(B, F));
|
|
assert.ok(!addon.doInstanceOf(A, F));
|
|
|
|
F.prototype = B;
|
|
assert.ok(addon.doInstanceOf(C, F));
|
|
assert.ok(!addon.doInstanceOf(B, F));
|
|
assert.ok(!addon.doInstanceOf(A, F));
|
|
|
|
F.prototype = C;
|
|
assert.ok(!addon.doInstanceOf(C, F));
|
|
assert.ok(!addon.doInstanceOf(B, F));
|
|
assert.ok(!addon.doInstanceOf(A, F));
|
|
}
|
|
|
|
TestChains();
|
|
|
|
function TestExceptions() {
|
|
function F() { }
|
|
const items = [ 1, new Number(42),
|
|
true,
|
|
'string', new String('hest'),
|
|
{}, [],
|
|
F, new F(),
|
|
Object, String ];
|
|
|
|
let exceptions = 0;
|
|
let instanceofs = 0;
|
|
|
|
for (let i = 0; i < items.length; i++) {
|
|
for (let j = 0; j < items.length; j++) {
|
|
try {
|
|
if (addon.doInstanceOf(items[i], items[j])) instanceofs++;
|
|
} catch (e) {
|
|
assert.ok(addon.doInstanceOf(e, TypeError));
|
|
exceptions++;
|
|
}
|
|
}
|
|
}
|
|
assert.strictEqual(instanceofs, 10);
|
|
assert.strictEqual(exceptions, 88);
|
|
|
|
// Make sure to throw an exception if the function prototype
|
|
// isn't a proper JavaScript object.
|
|
function G() { }
|
|
G.prototype = undefined;
|
|
assert.throws(function() {
|
|
addon.doInstanceOf({}, G);
|
|
}, Error);
|
|
}
|
|
|
|
TestExceptions();
|