Function checkDomains

test/node-api/test_make_callback_recurse/test.js:95–150

()

function checkDomains() {
  // Check that domains are properly entered/exited when called in multiple
  // levels from both node::MakeCallback() and AsyncWrap::MakeCallback
  setImmediate(common.mustCall(function() {
    const d1 = domain.create();
    const d2 = domain.create();
    const d3 = domain.create();

    makeCallback({ domain: d1 }, common.mustCall(function() {
      assert.strictEqual(d1, process.domain);
      makeCallback({ domain: d2 }, common.mustCall(function() {
        assert.strictEqual(d2, process.domain);
        makeCallback({ domain: d3 }, common.mustCall(function() {
          assert.strictEqual(d3, process.domain);
        }));
        assert.strictEqual(d2, process.domain);
      }));
      assert.strictEqual(d1, process.domain);
    }));
  }));

  setTimeout(common.mustCall(function() {
    const d1 = domain.create();
    const d2 = domain.create();
    const d3 = domain.create();

    makeCallback({ domain: d1 }, common.mustCall(function() {
      assert.strictEqual(d1, process.domain);
      makeCallback({ domain: d2 }, common.mustCall(function() {
        assert.strictEqual(d2, process.domain);
        makeCallback({ domain: d3 }, common.mustCall(function() {
          assert.strictEqual(d3, process.domain);
        }));
        assert.strictEqual(d2, process.domain);
      }));
      assert.strictEqual(d1, process.domain);
    }));
  }), 1);

  function testTimer(id) {
    // Make sure nextTick, setImmediate and setTimeout can all recover properly
    // after a thrown makeCallback call.
    const d = domain.create();
    d.on('error', common.mustCall(function(e) {
      assert.strictEqual(e.message, `throw from domain ${id}`);
    }));
    makeCallback({ domain: d }, function() {
      throw new Error(`throw from domain ${id}`);
    });
    throw new Error('UNREACHABLE');
  }

  process.nextTick(common.mustCall(testTimer), 3);
  setImmediate(common.mustCall(testTimer), 2);
  setTimeout(common.mustCall(testTimer), 1, 1);
}