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nodejs/test/addons-napi/test_properties/test.js
Michael Dawson 196190015d test: add coverage for napi_has_named_property
Add test to cover napi_has_named_property

PR-URL: https://github.com/nodejs/node/pull/13178
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Jason Ginchereau <jasongin@microsoft.com>
2017-05-25 19:35:18 -04:00

48 lines
1.9 KiB
JavaScript

'use strict';
const common = require('../../common');
const assert = require('assert');
// Testing api calls for defining properties
const test_object = require(`./build/${common.buildType}/test_properties`);
assert.strictEqual(test_object.echo('hello'), 'hello');
test_object.readwriteValue = 1;
assert.strictEqual(test_object.readwriteValue, 1);
test_object.readwriteValue = 2;
assert.strictEqual(test_object.readwriteValue, 2);
assert.throws(() => { test_object.readonlyValue = 3; }, TypeError);
assert.ok(test_object.hiddenValue);
// Properties with napi_enumerable attribute should be enumerable.
const propertyNames = [];
for (const name in test_object) {
propertyNames.push(name);
}
assert.ok(propertyNames.includes('echo'));
assert.ok(propertyNames.includes('readwriteValue'));
assert.ok(propertyNames.includes('readonlyValue'));
assert.ok(!propertyNames.includes('hiddenValue'));
assert.ok(!propertyNames.includes('readwriteAccessor1'));
assert.ok(!propertyNames.includes('readwriteAccessor2'));
assert.ok(!propertyNames.includes('readonlyAccessor1'));
assert.ok(!propertyNames.includes('readonlyAccessor2'));
// The napi_writable attribute should be ignored for accessors.
test_object.readwriteAccessor1 = 1;
assert.strictEqual(test_object.readwriteAccessor1, 1);
assert.strictEqual(test_object.readonlyAccessor1, 1);
assert.throws(() => { test_object.readonlyAccessor1 = 3; }, TypeError);
test_object.readwriteAccessor2 = 2;
assert.strictEqual(test_object.readwriteAccessor2, 2);
assert.strictEqual(test_object.readonlyAccessor2, 2);
assert.throws(() => { test_object.readonlyAccessor2 = 3; }, TypeError);
assert.strictEqual(test_object.hasNamedProperty(test_object, 'echo'), true);
assert.strictEqual(test_object.hasNamedProperty(test_object, 'hiddenValue'),
true);
assert.strictEqual(test_object.hasNamedProperty(test_object, 'doesnotexist'),
false);