Function test

test/object/object.js:7–230

(binding)

module.exports = require('../common').runTest(test);

function test (binding) {
  function assertPropertyIs (obj, key, attribute) {
    const propDesc = Object.getOwnPropertyDescriptor(obj, key);
    assert.ok(propDesc);
    assert.ok(propDesc[attribute]);
  }

  function assertPropertyIsNot (obj, key, attribute) {
    const propDesc = Object.getOwnPropertyDescriptor(obj, key);
    assert.ok(propDesc);
    assert.ok(!propDesc[attribute]);
  }

  function testDefineProperties (nameType) {
    const obj = {};
    binding.object.defineProperties(obj, nameType);

    // accessors
    assertPropertyIsNot(obj, 'readonlyAccessor', 'enumerable');
    assertPropertyIsNot(obj, 'readonlyAccessor', 'configurable');
    assert.strictEqual(obj.readonlyAccessor, true);

    assertPropertyIsNot(obj, 'readonlyAccessorWithUserData', 'enumerable');
    assertPropertyIsNot(obj, 'readonlyAccessorWithUserData', 'configurable');
    assert.strictEqual(obj.readonlyAccessorWithUserData, 1234, nameType);

    assertPropertyIsNot(obj, 'readwriteAccessor', 'enumerable');
    assertPropertyIsNot(obj, 'readwriteAccessor', 'configurable');
    obj.readwriteAccessor = false;
    assert.strictEqual(obj.readwriteAccessor, false);
    obj.readwriteAccessor = true;
    assert.strictEqual(obj.readwriteAccessor, true);

    assertPropertyIsNot(obj, 'readwriteAccessorWithUserData', 'enumerable');
    assertPropertyIsNot(obj, 'readwriteAccessorWithUserData', 'configurable');
    obj.readwriteAccessorWithUserData = 2;
    assert.strictEqual(obj.readwriteAccessorWithUserData, 2);
    obj.readwriteAccessorWithUserData = -14;
    assert.strictEqual(obj.readwriteAccessorWithUserData, -14);

    // templated accessors
    assertPropertyIsNot(obj, 'readonlyAccessorT', 'enumerable');
    assertPropertyIsNot(obj, 'readonlyAccessorT', 'configurable');
    assert.strictEqual(obj.readonlyAccessorT, true);

    assertPropertyIsNot(obj, 'readonlyAccessorWithUserDataT', 'enumerable');
    assertPropertyIsNot(obj, 'readonlyAccessorWithUserDataT', 'configurable');
    assert.strictEqual(obj.readonlyAccessorWithUserDataT, -14, nameType);

    assertPropertyIsNot(obj, 'readwriteAccessorT', 'enumerable');
    assertPropertyIsNot(obj, 'readwriteAccessorT', 'configurable');
    obj.readwriteAccessorT = false;
    assert.strictEqual(obj.readwriteAccessorT, false);
    obj.readwriteAccessorT = true;
    assert.strictEqual(obj.readwriteAccessorT, true);

    assertPropertyIsNot(obj, 'readwriteAccessorWithUserDataT', 'enumerable');
    assertPropertyIsNot(obj, 'readwriteAccessorWithUserDataT', 'configurable');