Clear SingleProcess and InProcessGPU logic.

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 <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
@@ skipping 333 matching lines @@
 
   // Check that quotes are added to command line string paths containing spaces.
   CommandLine::StringType cmd_string(cl_program_path.GetCommandLineString());
   CommandLine::StringType program_string(cl_program_path.GetProgram().value());
   EXPECT_EQ('"', cmd_string[0]);
   EXPECT_EQ(program_string, cmd_string.substr(1, program_string.length()));
   EXPECT_EQ('"', cmd_string[program_string.length() + 1]);
 }
 #endif
 
+TEST(CommandLineTest, RemoveSwitches) {
+  std::string switch1 = "switch1";
+  std::string switch2 = "switch2";
+  std::string value2 = "value";
+  std::string switch3 = "switch3";
+  std::string value3 = "a value with spaces";
+  std::string switch4 = "switch4";
+  std::string value4 = "\"a value with quotes\"";
+  std::string switch5 = "quotes";
+  CommandLine::StringType value5 = kTricky;
+
+  CommandLine cl(FilePath(FILE_PATH_LITERAL("Program")));
+
+  cl.AppendSwitch(switch1);
+  cl.AppendSwitchASCII(switch2, value2);
+  cl.AppendSwitchASCII(switch3, value3);
+  cl.AppendSwitchASCII(switch4, value4);
+  cl.AppendSwitchNative(switch5, value5);
+
+  EXPECT_TRUE(cl.HasSwitch(switch1));
+  EXPECT_TRUE(cl.HasSwitch(switch2));
+  EXPECT_TRUE(cl.HasSwitch(switch3));
+  EXPECT_TRUE(cl.HasSwitch(switch4));
+  EXPECT_TRUE(cl.HasSwitch(switch5));
+
+  // Ignore not-included switch.
+  cl.RemoveSwitch("ignore_switch");
+  EXPECT_TRUE(cl.HasSwitch(switch1));
+  EXPECT_TRUE(cl.HasSwitch(switch2));
+  EXPECT_TRUE(cl.HasSwitch(switch3));
+  EXPECT_TRUE(cl.HasSwitch(switch4));
+  EXPECT_TRUE(cl.HasSwitch(switch5));
+
+  // Remove switches in the random order.
+  cl.RemoveSwitch(switch3);
+  EXPECT_FALSE(cl.HasSwitch(switch3));
+  EXPECT_TRUE(cl.HasSwitch(switch1));
+  EXPECT_TRUE(cl.HasSwitch(switch2));
+  EXPECT_TRUE(cl.HasSwitch(switch4));
+  EXPECT_TRUE(cl.HasSwitch(switch5));
+
+  cl.RemoveSwitch(switch1);
+  EXPECT_FALSE(cl.HasSwitch(switch1));
+  EXPECT_TRUE(cl.HasSwitch(switch2));
+  EXPECT_TRUE(cl.HasSwitch(switch4));
+  EXPECT_TRUE(cl.HasSwitch(switch5));
+
+  cl.RemoveSwitch(switch4);
+  EXPECT_FALSE(cl.HasSwitch(switch4));
+  EXPECT_TRUE(cl.HasSwitch(switch2));
+  EXPECT_TRUE(cl.HasSwitch(switch5));
+
+  cl.RemoveSwitch(switch5);
+  EXPECT_FALSE(cl.HasSwitch(switch5));
+  EXPECT_TRUE(cl.HasSwitch(switch2));
+
+  cl.RemoveSwitch(switch2);
+  EXPECT_FALSE(cl.HasSwitch(switch2));
+
+  EXPECT_EQ(FILE_PATH_LITERAL("Program"), cl.GetCommandLineString());
+}
+
 // Calling Init multiple times should not modify the previous CommandLine.
 TEST(CommandLineTest, Init) {
   CommandLine* initial = CommandLine::ForCurrentProcess();
   EXPECT_FALSE(CommandLine::Init(0, NULL));
   CommandLine* current = CommandLine::ForCurrentProcess();
   EXPECT_EQ(initial, current);
 }