Dart: Removes all but native calls and the handle watcher from the snapshot.

mojo/dart/test/core_test.dart

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 import 'dart:typed_data';
-import 'dart:mojo.core';
 
 import 'package:mojo/dart/testing/expect.dart';
+import 'package:mojo/public/dart/core.dart';
 
 invalidHandleTest() {
   MojoHandle invalidHandle = new MojoHandle(MojoHandle.INVALID);
 
   // Close.
   MojoResult result = invalidHandle.close();
   Expect.isTrue(result.isInvalidArgument);
 
   // Wait.
-  MojoWaitResult mwr = invalidHandle.wait(MojoHandleSignals.kReadWrite, 1000000);
+  MojoWaitResult mwr =
+      invalidHandle.wait(MojoHandleSignals.kReadWrite, 1000000);
   Expect.isTrue(mwr.result.isInvalidArgument);
 
-  MojoWaitManyResult mwmr = MojoHandle.waitMany([invalidHandle.h],
-                                                [MojoHandleSignals.kReadWrite],
-                                                MojoHandle.DEADLINE_INDEFINITE);
+  MojoWaitManyResult mwmr = MojoHandle.waitMany([invalidHandle.h], [
+    MojoHandleSignals.kReadWrite
+  ], MojoHandle.DEADLINE_INDEFINITE);
   Expect.isTrue(mwmr.result.isInvalidArgument);
 
   // Message pipe.
   MojoMessagePipe pipe = new MojoMessagePipe();
   Expect.isNotNull(pipe);
   ByteData bd = new ByteData(10);
   pipe.endpoints[0].handle.close();
   pipe.endpoints[1].handle.close();
   result = pipe.endpoints[0].write(bd);
   Expect.isTrue(result.isInvalidArgument);
@@ skipping 32 matching lines @@
   MojoSharedBuffer duplicate = new MojoSharedBuffer.duplicate(sharedBuffer);
   Expect.isNull(duplicate);
 
   sharedBuffer = new MojoSharedBuffer.create(10);
   Expect.isNotNull(sharedBuffer);
   sharedBuffer.close();
   result = sharedBuffer.map(0, 10);
   Expect.isTrue(result.isInvalidArgument);
 }
 
-
 basicMessagePipeTest() {
   MojoMessagePipe pipe = new MojoMessagePipe();
   Expect.isNotNull(pipe);
   Expect.isTrue(pipe.status.isOk);
   Expect.isNotNull(pipe.endpoints);
 
   MojoMessagePipeEndpoint end0 = pipe.endpoints[0];
   MojoMessagePipeEndpoint end1 = pipe.endpoints[1];
   Expect.isTrue(end0.handle.isValid);
   Expect.isTrue(end1.handle.isValid);
@@ skipping 12 matching lines @@
   Expect.isTrue(end0.status.isShouldWait);
 
   // Write end1.
   String hello = "hello";
   ByteData helloData =
       new ByteData.view((new Uint8List.fromList(hello.codeUnits)).buffer);
   MojoResult result = end1.write(helloData);
   Expect.isTrue(result.isOk);
 
   // end0 should now be readable.
-  MojoWaitManyResult mwmr = MojoHandle.waitMany([end0.handle.h],
-                                                [MojoHandleSignals.kReadable],
-                                                MojoHandle.DEADLINE_INDEFINITE);
+  MojoWaitManyResult mwmr = MojoHandle.waitMany([end0.handle.h], [
+    MojoHandleSignals.kReadable
+  ], MojoHandle.DEADLINE_INDEFINITE);
   Expect.isTrue(mwmr.result.isOk);
 
   // Read from end0.
   MojoMessagePipeReadResult readResult = end0.read(data);
   Expect.isNotNull(readResult);
   Expect.isTrue(readResult.status.isOk);
   Expect.equals(readResult.bytesRead, helloData.lengthInBytes);
   Expect.equals(readResult.handlesRead, 0);
 
   String hello_result = new String.fromCharCodes(
       data.buffer.asUint8List().sublist(0, readResult.bytesRead).toList());
   Expect.equals(hello_result, "hello");
 
   // end0 should no longer be readable.
   mwr = end0.handle.wait(MojoHandleSignals.kReadable, 10);
   Expect.isTrue(mwr.result.isDeadlineExceeded);
 
   // Close end0's handle.
   result = end0.handle.close();
   Expect.isTrue(result.isOk);
 
   // end1 should no longer be readable or writable.
   mwr = end1.handle.wait(MojoHandleSignals.kReadWrite, 1000);
   Expect.isTrue(mwr.result.isFailedPrecondition);
 
   result = end1.handle.close();
   Expect.isTrue(result.isOk);
 }
 
-
 basicDataPipeTest() {
   MojoDataPipe pipe = new MojoDataPipe();
   Expect.isNotNull(pipe);
   Expect.isTrue(pipe.status.isOk);
   Expect.isTrue(pipe.consumer.handle.isValid);
   Expect.isTrue(pipe.producer.handle.isValid);
 
   MojoDataPipeProducer producer = pipe.producer;
   MojoDataPipeConsumer consumer = pipe.consumer;
   Expect.isTrue(producer.handle.isValid);
@@ skipping 20 matching lines @@
   // Write to producer.
   String hello = "hello ";
   ByteData helloData =
       new ByteData.view((new Uint8List.fromList(hello.codeUnits)).buffer);
   int written = producer.write(
       helloData, helloData.lengthInBytes, MojoDataPipeProducer.FLAG_NONE);
   Expect.isTrue(producer.status.isOk);
   Expect.equals(written, helloData.lengthInBytes);
 
   // Now that we have written, the consumer should be readable.
-  MojoWaitManyResult mwmr = MojoHandle.waitMany([consumer.handle.h],
-                                                [MojoHandleSignals.kReadable],
-                                                MojoHandle.DEADLINE_INDEFINITE);
+  MojoWaitManyResult mwmr = MojoHandle.waitMany([consumer.handle.h], [
+    MojoHandleSignals.kReadable
+  ], MojoHandle.DEADLINE_INDEFINITE);
   Expect.isTrue(mwr.result.isOk);
 
   // Do a two-phase write to the producer.
-  ByteData twoPhaseWrite = producer.beginWrite(
-      20, MojoDataPipeProducer.FLAG_NONE);
+  ByteData twoPhaseWrite =
+      producer.beginWrite(20, MojoDataPipeProducer.FLAG_NONE);
   Expect.isTrue(producer.status.isOk);
   Expect.isNotNull(twoPhaseWrite);
   Expect.isTrue(twoPhaseWrite.lengthInBytes >= 20);
 
   String world = "world";
   twoPhaseWrite.buffer.asUint8List().setAll(0, world.codeUnits);
   producer.endWrite(Uint8List.BYTES_PER_ELEMENT * world.codeUnits.length);
   Expect.isTrue(producer.status.isOk);
 
   // Read one character from consumer.
   int read = consumer.read(buffer, 1, MojoDataPipeConsumer.FLAG_NONE);
   Expect.isTrue(consumer.status.isOk);
   Expect.equals(read, 1);
 
   // Close the producer.
   MojoResult result = producer.handle.close();
   Expect.isTrue(result.isOk);
 
   // Consumer should still be readable.
   mwr = consumer.handle.wait(MojoHandleSignals.kReadable, 0);
   Expect.isTrue(mwr.result.isOk);
 
   // Get the number of remaining bytes.
-  int remaining = consumer.read(
-      null, 0, MojoDataPipeConsumer.FLAG_QUERY);
+  int remaining = consumer.read(null, 0, MojoDataPipeConsumer.FLAG_QUERY);
   Expect.isTrue(consumer.status.isOk);
   Expect.equals(remaining, "hello world".length - 1);
 
   // Do a two-phase read.
-  ByteData twoPhaseRead = consumer.beginRead(
-      remaining, MojoDataPipeConsumer.FLAG_NONE);
+  ByteData twoPhaseRead =
+      consumer.beginRead(remaining, MojoDataPipeConsumer.FLAG_NONE);
   Expect.isTrue(consumer.status.isOk);
   Expect.isNotNull(twoPhaseRead);
   Expect.isTrue(twoPhaseRead.lengthInBytes <= remaining);
 
   Uint8List uint8_list = buffer.buffer.asUint8List();
   uint8_list.setAll(1, twoPhaseRead.buffer.asUint8List());
   uint8_list = uint8_list.sublist(0, 1 + twoPhaseRead.lengthInBytes);
 
   consumer.endRead(twoPhaseRead.lengthInBytes);
   Expect.isTrue(consumer.status.isOk);
 
-  String helloWorld = new String.fromCharCodes(
-      uint8_list.toList());
+  String helloWorld = new String.fromCharCodes(uint8_list.toList());
   Expect.equals("hello world", helloWorld);
 
   result = consumer.handle.close();
   Expect.isTrue(result.isOk);
 }
 
-
 basicSharedBufferTest() {
-  MojoSharedBuffer mojoBuffer = new MojoSharedBuffer.create(
-      100, MojoSharedBuffer.CREATE_FLAG_NONE);
+  MojoSharedBuffer mojoBuffer =
+      new MojoSharedBuffer.create(100, MojoSharedBuffer.CREATE_FLAG_NONE);
   Expect.isNotNull(mojoBuffer);
   Expect.isNotNull(mojoBuffer.status);
   Expect.isTrue(mojoBuffer.status.isOk);
   Expect.isNotNull(mojoBuffer.handle);
   Expect.isTrue(mojoBuffer.handle is MojoHandle);
   Expect.isTrue(mojoBuffer.handle.isValid);
 
   mojoBuffer.map(0, 100, MojoSharedBuffer.MAP_FLAG_NONE);
   Expect.isNotNull(mojoBuffer.status);
   Expect.isTrue(mojoBuffer.status.isOk);
@@ skipping 36 matching lines @@
 
   duplicate.unmap();
   Expect.isNotNull(duplicate.status);
   Expect.isTrue(duplicate.status.isOk);
   Expect.isNull(duplicate.mapping);
 
   duplicate.close();
   duplicate = null;
 }
 
-
 main() {
   invalidHandleTest();
   basicMessagePipeTest();
   basicDataPipeTest();
   basicSharedBufferTest();
 }