Introducing a net::GenerateMimeMultipartBoundary helper.

net/base/mime_util_unittest.cc

Index: net/base/mime_util_unittest.cc
diff --git a/net/base/mime_util_unittest.cc b/net/base/mime_util_unittest.cc
index 8bc61bc8052854e78f9795737bf8e2ad0f613007..d45f9c4ab5bbb065329631aaa5d93e9154b62d53 100644
--- a/net/base/mime_util_unittest.cc
+++ b/net/base/mime_util_unittest.cc
@@ -273,6 +273,15 @@ TEST(MimeUtilTest, TestGetExtensionsForMimeType) {
   }
 }
 
+TEST(MimeUtilTest, TestGenerateMimeMultipartBoundary) {
+  std::string boundary1 = GenerateMimeMultipartBoundary();
+  std::string boundary2 = GenerateMimeMultipartBoundary();
+  EXPECT_GT(70u, boundary1.size());
+  EXPECT_GT(70u, boundary2.size());
+  EXPECT_TRUE(boundary1.find("MultipartBoundary") != std::string::npos);
+  EXPECT_TRUE(boundary2.find("MultipartBoundary") != std::string::npos);

[Ryan Sleevi, 2015/12/28 23:30:00]

EXPECT_NE ?

[Łukasz Anforowicz, 2015/12/29 18:53:19]

Done + also tweaked the other asserts, added a few asserts and added some
comments.

+  EXPECT_NE(boundary1, boundary2);
+}
 
 TEST(MimeUtilTest, TestAddMultipartValueForUpload) {
   const char ref_output[] =