Dia antes primera install

node_modules/i2c-bus/integration-test/busses.js

@@ -0,0 +1,45 @@
+'use strict';
+
+const assert = require('assert');
+const i2c = require('../');
+
+const openPromisified = _ =>
+  i2c.openPromisified(1).
+  then(promisifiedBus => {
+    assert.strictEqual(
+      promisifiedBus, promisifiedBus.bus().promisifiedBus(),
+      'expected promisifiedBus.bus().promisifiedBus() to return promisifiedBus'
+    );
+
+    const bus = promisifiedBus.bus();
+    assert.strictEqual(
+      bus, bus.promisifiedBus().bus(),
+      'expected bus.promisifiedBus().bus() to return bus'
+    );
+
+    return promisifiedBus.close();
+  }).
+  then(_ => console.log('ok - busses')).
+  catch(console.log);
+
+const open = _ => {
+  const bus = i2c.open(1, err => {
+    assert(!err, 'can\'t open i2c bus');
+
+    assert.strictEqual(
+      bus, bus.promisifiedBus().bus(),
+      'expected bus.promisifiedBus().bus() to return bus'
+    );
+
+    const promisifiedBus = bus.promisifiedBus();
+    assert.strictEqual(
+      promisifiedBus, promisifiedBus.bus().promisifiedBus(),
+      'expected promisifiedBus.bus().promisifiedBus() to return promisifiedBus'
+    );
+
+    openPromisified();
+  });
+};
+
+open();
+