global_object_get_property.js

'use strict';

const assert = require('assert');

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

function test (binding) {
  const KEY_TYPE = {
    C_STR: 'KEY_AS_C_STRING',
    CPP_STR: 'KEY_AS_CPP_STRING',
    NAPI: 'KEY_AS_NAPI_VALUES',
    INT_32: 'KEY_AS_INT_32_NUM'
  };

  binding.globalObject.createMockTestObject();
  function assertGlobalObjectPropertyIs (key, attribute, keyType) {
    let napiObjectAttr;
    switch (keyType) {
      case KEY_TYPE.NAPI:
        napiObjectAttr = binding.globalObject.getPropertyWithNapiValue(key);
        assert.deepStrictEqual(attribute, napiObjectAttr);
        break;

      case KEY_TYPE.C_STR:
        napiObjectAttr = binding.globalObject.getPropertyWithCString(key);
        assert.deepStrictEqual(attribute, napiObjectAttr);
        break;

      case KEY_TYPE.CPP_STR:
        napiObjectAttr = binding.globalObject.getPropertyWithCppString(key);
        assert.deepStrictEqual(attribute, napiObjectAttr);
        break;

      case KEY_TYPE.INT_32:
        napiObjectAttr = binding.globalObject.getPropertyWithInt32(key);
        assert.deepStrictEqual(attribute, napiObjectAttr);
        break;
    }
  }

  function assertErrMessageIsThrown (propertyFetchFunction, errMsg) {
    assert.throws(() => {
      propertyFetchFunction(undefined);
    }, errMsg);
  }

  assertGlobalObjectPropertyIs('2', global['2'], KEY_TYPE.NAPI);
  assertGlobalObjectPropertyIs('c_str_key', global.c_str_key, KEY_TYPE.C_STR);
  assertGlobalObjectPropertyIs('cpp_string_key', global.cpp_string_key, KEY_TYPE.CPP_STR);
  assertGlobalObjectPropertyIs('circular', global.circular, KEY_TYPE.CPP_STR);
  assertGlobalObjectPropertyIs(15, global['15'], KEY_TYPE.INT_32);

  assertErrMessageIsThrown(binding.globalObject.getPropertyWithCString, 'Error: A string was expected');
  assertErrMessageIsThrown(binding.globalObject.getPropertyWithCppString, 'Error: A string was expected');
  assertErrMessageIsThrown(binding.globalObject.getPropertyWithInt32, 'Error: A number was expected');
}