node/test/js-native-api/test_general/test.js

97 lines
3.0 KiB
JavaScript

'use strict';
// Flags: --expose-gc
const common = require('../../common');
const test_general = require(`./build/${common.buildType}/test_general`);
const assert = require('assert');
const val1 = '1';
const val2 = 1;
const val3 = 1;
class BaseClass {
}
class ExtendedClass extends BaseClass {
}
const baseObject = new BaseClass();
const extendedObject = new ExtendedClass();
// Test napi_strict_equals
assert.ok(test_general.testStrictEquals(val1, val1));
assert.strictEqual(test_general.testStrictEquals(val1, val2), false);
assert.ok(test_general.testStrictEquals(val2, val3));
// Test napi_get_prototype
assert.strictEqual(test_general.testGetPrototype(baseObject),
Object.getPrototypeOf(baseObject));
assert.strictEqual(test_general.testGetPrototype(extendedObject),
Object.getPrototypeOf(extendedObject));
// Prototypes for base and extended should be different.
assert.notStrictEqual(test_general.testGetPrototype(baseObject),
test_general.testGetPrototype(extendedObject));
// Test version management functions
assert.strictEqual(test_general.testGetVersion(), 7);
[
123,
'test string',
function() {},
new Object(),
true,
undefined,
Symbol()
].forEach((val) => {
assert.strictEqual(test_general.testNapiTypeof(val), typeof val);
});
// Since typeof in js return object need to validate specific case
// for null
assert.strictEqual(test_general.testNapiTypeof(null), 'null');
// Assert that wrapping twice fails.
const x = {};
test_general.wrap(x);
assert.throws(() => test_general.wrap(x),
{ name: 'Error', message: 'Invalid argument' });
// Clean up here, otherwise derefItemWasCalled() will be polluted.
test_general.removeWrap(x);
// Ensure that wrapping, removing the wrap, and then wrapping again works.
const y = {};
test_general.wrap(y);
test_general.removeWrap(y);
// Wrapping twice succeeds if a remove_wrap() separates the instances
test_general.wrap(y);
// Clean up here, otherwise derefItemWasCalled() will be polluted.
test_general.removeWrap(y);
// Test napi_adjust_external_memory
const adjustedValue = test_general.testAdjustExternalMemory();
assert.strictEqual(typeof adjustedValue, 'number');
assert(adjustedValue > 0);
async function runGCTests() {
// Ensure that garbage collecting an object with a wrapped native item results
// in the finalize callback being called.
assert.strictEqual(test_general.derefItemWasCalled(), false);
(() => test_general.wrap({}))();
await common.gcUntil('deref_item() was called upon garbage collecting a ' +
'wrapped object.',
() => test_general.derefItemWasCalled());
// Ensure that removing a wrap and garbage collecting does not fire the
// finalize callback.
let z = {};
test_general.testFinalizeWrap(z);
test_general.removeWrap(z);
z = null;
await common.gcUntil(
'finalize callback was not called upon garbage collection.',
() => (!test_general.finalizeWasCalled()));
}
runGCTests();