test rename overhaul: step 12 - standalone

tests/standalone/src/io/ProcessEnvironmentTest.dart

-// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
-// for details. 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:io');
-#import('dart:isolate');
-#source('ProcessTestUtil.dart');
-
-runEnvironmentProcess(Map environment, name, callback) {
-  var dartExecutable = getDartFileName();
-  var options = new ProcessOptions();
-  options.environment = environment;
-  var printEnv = 'tests/standalone/src/io/PrintEnv.dart';
-  if (!new File(printEnv).existsSync()) {
-    printEnv = '../$printEnv';
-  }
-  var process = new Process.run(dartExecutable,
-                                [printEnv, name],
-                                options,
-                                (exit, out, err) {
-    Expect.equals(0, exit);
-    callback(out);
-  });
-  process.onError = (e) => Expect.fail("Unexpected process start error: '$e'");
-}
-
-testEnvironment() {
-  var donePort = new ReceivePort();
-  Map env = Platform.environment();
-  Expect.isFalse(env.isEmpty());
-  // Check that some value in the environment stays the same when passed
-  // to another process.
-  for (var k in env.getKeys()) {
-    runEnvironmentProcess(env, k, (output) {
-      // Only check startsWith. The print statements will add
-      // newlines at the end.
-      Expect.isTrue(output.startsWith(env[k]));
-      // Add a new variable and check that it becomes an environment
-      // variable in the child process.
-      var copy = new Map.from(env);
-      var name = 'MYENVVAR';
-      while (env.containsKey(name)) name = '${name}_';
-      copy[name] = 'value';
-      runEnvironmentProcess(copy, name, (output) {
-        Expect.isTrue(output.startsWith('value'));
-        donePort.close();
-      });
-    });
-    // Only check one value to not spin up too many processes testing the
-    // same things.
-    break;
-  }
-}
-
-main() {
-  testEnvironment();
-}