base: Support command line wrappers with quoted arguments

base/command_line_unittest.cc

Index: base/command_line_unittest.cc
diff --git a/base/command_line_unittest.cc b/base/command_line_unittest.cc
index bcfc6c59c916a2e7964c057e918b596b25ec9eff..6354f559b681e40b272c44e3c02bc398fee61030 100644
--- a/base/command_line_unittest.cc
+++ b/base/command_line_unittest.cc
@@ -406,4 +406,34 @@ TEST(CommandLineTest, Copy) {
     EXPECT_TRUE(assigned.HasSwitch(pair.first));
 }
 
+TEST(CommandLineTest, PrependSimpleWrapper) {
+  CommandLine cl(FilePath(FILE_PATH_LITERAL("Program")));
+  cl.AppendSwitch("a");
+  cl.AppendSwitch("b");
+  cl.PrependWrapper("wrapper --foo --bar");
+
+  EXPECT_EQ(6u, cl.argv().size());
+  EXPECT_EQ("wrapper", cl.argv()[0]);
+  EXPECT_EQ("--foo", cl.argv()[1]);
+  EXPECT_EQ("--bar", cl.argv()[2]);
+  EXPECT_EQ("Program", cl.argv()[3]);
+  EXPECT_EQ("--a", cl.argv()[4]);
+  EXPECT_EQ("--b", cl.argv()[5]);
+}
+
+TEST(CommandLineTest, PrependComplexWrapper) {
+  CommandLine cl(FilePath(FILE_PATH_LITERAL("Program")));
+  cl.AppendSwitch("a");
+  cl.AppendSwitch("b");
+  cl.PrependWrapper("wrapper --foo='hello world' --bar=\"let's go\"");
+
+  EXPECT_EQ(6u, cl.argv().size());
+  EXPECT_EQ("wrapper", cl.argv()[0]);
+  EXPECT_EQ("--foo='hello world'", cl.argv()[1]);
+  EXPECT_EQ("--bar=\"let's go\"", cl.argv()[2]);
+  EXPECT_EQ("Program", cl.argv()[3]);
+  EXPECT_EQ("--a", cl.argv()[4]);
+  EXPECT_EQ("--b", cl.argv()[5]);
+}
+
 } // namespace base