base: Support command line wrappers with quoted arguments

base/command_line_unittest.cc

 // Copyright (c) 2012 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.
 
 #include "base/command_line.h"
 
 #include <memory>
 #include <string>
 #include <vector>
 
@@ skipping 388 matching lines @@
   CommandLine copy_constructed(*initial);
   CommandLine assigned = *initial;
   CommandLine::SwitchMap switch_map = initial->GetSwitches();
   initial.reset();
   for (const auto& pair : switch_map)
     EXPECT_TRUE(copy_constructed.HasSwitch(pair.first));
   for (const auto& pair : switch_map)
     EXPECT_TRUE(assigned.HasSwitch(pair.first));
 }
 
+TEST(CommandLineTest, PrependSimpleWrapper) {
+  CommandLine cl(FilePath(FILE_PATH_LITERAL("Program")));
+  cl.AppendSwitch("a");
+  cl.AppendSwitch("b");
+  cl.PrependWrapper(FILE_PATH_LITERAL("wrapper --foo --bar"));
+
+  EXPECT_EQ(6u, cl.argv().size());
+  EXPECT_EQ(FILE_PATH_LITERAL("wrapper"), cl.argv()[0]);
+  EXPECT_EQ(FILE_PATH_LITERAL("--foo"), cl.argv()[1]);
+  EXPECT_EQ(FILE_PATH_LITERAL("--bar"), cl.argv()[2]);
+  EXPECT_EQ(FILE_PATH_LITERAL("Program"), cl.argv()[3]);
+  EXPECT_EQ(FILE_PATH_LITERAL("--a"), cl.argv()[4]);
+  EXPECT_EQ(FILE_PATH_LITERAL("--b"), cl.argv()[5]);
+}
+
+TEST(CommandLineTest, PrependComplexWrapper) {
+  CommandLine cl(FilePath(FILE_PATH_LITERAL("Program")));
+  cl.AppendSwitch("a");
+  cl.AppendSwitch("b");
+  cl.PrependWrapper(
+      FILE_PATH_LITERAL("wrapper --foo='hello world' --bar=\"let's go\""));
+
+  EXPECT_EQ(6u, cl.argv().size());
+  EXPECT_EQ(FILE_PATH_LITERAL("wrapper"), cl.argv()[0]);
+  EXPECT_EQ(FILE_PATH_LITERAL("--foo='hello world'"), cl.argv()[1]);
+  EXPECT_EQ(FILE_PATH_LITERAL("--bar=\"let's go\""), cl.argv()[2]);
+  EXPECT_EQ(FILE_PATH_LITERAL("Program"), cl.argv()[3]);
+  EXPECT_EQ(FILE_PATH_LITERAL("--a"), cl.argv()[4]);
+  EXPECT_EQ(FILE_PATH_LITERAL("--b"), cl.argv()[5]);
+}
+
 } // namespace base