Revert change to Platform.excutable and add Platform.resolvedExecutable

tests/standalone/io/platform_executable_test.dart

Index: tests/standalone/io/platform_executable_test.dart
diff --git a/tests/standalone/io/platform_executable_test.dart b/tests/standalone/io/platform_executable_test.dart
deleted file mode 100644
index 3a0e16c73574bca64f6f7512051b34b8f688f957..0000000000000000000000000000000000000000
--- a/tests/standalone/io/platform_executable_test.dart
+++ /dev/null
@@ -1,144 +0,0 @@
-// 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.
-//
-// Process test program to test process communication.
-
-library PlatformExecutableTest;
-
-import "dart:io";
-
-const _SCRIPT_KEY = '_test_script';
-
-void expectEquals(a, b) {
-  if (a != b) {
-    throw 'Expected: $a\n'
-          '  Actual: $b';
-  }
-}
-
-void verify(String exePath, {String altPath}) {
-  var env = {_SCRIPT_KEY: 'yes'};
-  if (altPath != null) {
-    env['PATH'] = altPath;
-  }
-
-  var processResult = Process.runSync(exePath, [scriptPath],
-      includeParentEnvironment: false, runInShell: true, environment: env);
-
-  if (processResult.exitCode != 0) {
-    throw 'Error with process\n'
-          '$scriptPath'
-          'Exit code: ${processResult.exitCode}\n'
-          '   STDOUT: ${processResult.stdout}\n'
-          '   STDERR: ${processResult.stderr}\n';
-  }
-
-  var result = processResult.stdout.trim();
-  expectEquals(Platform.executable, result);
-}
-
-void testDartExecShouldNotBeInCurrentDir() {
-  var type = FileSystemEntity.typeSync(platformExeName);
-  expectEquals(FileSystemEntityType.NOT_FOUND, type);
-}
-
-void testShouldSucceedWithEmptyPathEnvironment() {
-  var command = Platform.isWindows ? 'cmd' : 'ls';
-  Process.runSync(command, [],
-                  includeParentEnvironment: false,
-                  environment: {_SCRIPT_KEY: 'yes', 'PATH': ''});
-}
-
-void testShouldSucceedWithSourcePlatformExecutable() {
-  verify(Platform.executable);
-}
-
-void testExeSymLinked(Directory dir) {
-  var dirUri = new Uri.directory(dir.path);
-  var link = new Link.fromUri(dirUri.resolve('dart_exe_link'));
-  link.createSync(Platform.executable);
-  verify(link.path);
-}
-
-void testPathToDirWithExeSymLinked(Directory dir) {
-  var dirUri = new Uri.directory(dir.path);
-  var link = new Link.fromUri(dirUri.resolve('dart_exe_link'));
-  link.createSync(Platform.executable);
-  verify('dart_exe_link', altPath: dir.path);
-}
-
-/// Create a sym-link to the SDK directory and run 'dart' from that path
-void testExeDirSymLinked(Directory dir) {
-  var dirUri = new Uri.directory(dir.path);
-
-  var linkDirUri = dirUri.resolve('dart_bin_dir_link');
-  var link = new Link.fromUri(linkDirUri);
-
-  var exeFile = new File(Platform.executable);
-
-  link.createSync(exeFile.parent.path);
-
-  var linkedBin =
-      new Uri.directory(linkDirUri.toFilePath()).resolve(platformExeName);
-
-  verify(linkedBin.toFilePath());
-}
-
-void testPathPointsToSymLinkedSDKPath(Directory dir) {
-  var dirUri = new Uri.directory(dir.path);
-
-  var linkDirUri = dirUri.resolve('dart_bin_dir_link');
-  var link = new Link.fromUri(linkDirUri);
-
-  var exeFile = new File(Platform.executable);
-
-  link.createSync(exeFile.parent.path);
-
-  verify(platformExeName, altPath: link.path);
-}
-
-void testPathToSDKDir() {
-  var exeFile = new File(Platform.executable);
-  var binDirPath = exeFile.parent.path;
-
-  verify(platformExeName, altPath: binDirPath);
-}
-
-void withTempDir(void test(Directory dir)) {
-  var tempDir = Directory.systemTemp.createTempSync('dart.sdk.test.');
-  try {
-    test(tempDir);
-  } finally {
-    tempDir.deleteSync(recursive: true);
-  }
-}
-
-String get platformExeName {
-  var raw = new Uri.file(Platform.executable);
-  return raw.pathSegments.last;
-}
-
-String get scriptPath => Platform.script.toFilePath();
-
-void main() {
-  if (Platform.environment.containsKey(_SCRIPT_KEY)) {
-    print(Platform.executable);
-    return;
-  }
-
-  testDartExecShouldNotBeInCurrentDir();
-  testShouldSucceedWithSourcePlatformExecutable(); /// 00: ok
-  // dart:io does not support linking to files in Windows.
-  if (!Platform.isWindows) {
-    withTempDir(testExeSymLinked); /// 01: ok
-  }
-  withTempDir(testExeDirSymLinked); /// 02: ok
-  testPathToSDKDir(); /// 03: ok
-  withTempDir(testPathPointsToSymLinkedSDKPath); /// 04: ok
-  // dart:io does not support linking to files in Windows.
-  if (!Platform.isWindows) {
-    withTempDir(testPathToDirWithExeSymLinked); /// 05: ok
-  }
-  testShouldSucceedWithEmptyPathEnvironment(); /// 06: ok
-}