util_test: Don’t crash when run from the wrong location

util/net/http_multipart_builder_test.cc

 // Copyright 2014 The Crashpad Authors. All rights reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
@@ skipping 92 matching lines @@
       base::FilePath("util/net/testdata/ascii_http_body.txt"), "text/plain");
   builder.SetFileAttachment("\"third 50% silly\"", "test%foo.txt",
       base::FilePath("util/net/testdata/ascii_http_body.txt"), "text/plain");
 
   const char kFileContents[] = "This is a test.\n";
 
   scoped_ptr<HTTPBodyStream> body(builder.GetBodyStream());
   ASSERT_TRUE(body.get());
   std::string contents = ReadStreamToString(body.get());
   auto lines = SplitCRLF(contents);
+  ASSERT_EQ(16u, lines.size());
   auto lines_it = lines.begin();
 
   const std::string& boundary = *lines_it++;
   EXPECT_GE(boundary.length(), 1u);
   EXPECT_LE(boundary.length(), 70u);
 
   EXPECT_EQ("Content-Disposition: form-data; "
                 "name=\"%22third 50%25 silly%22\"; filename=\"test%25foo.txt\"",
             *lines_it++);
   EXPECT_EQ("Content-Type: text/plain", *lines_it++);
@@ skipping 54 matching lines @@
   builder.SetFileAttachment("minidump", "minidump.dmp",
       base::FilePath("util/net/testdata/binary_http_body.dat"), "");
   builder.SetFileAttachment("minidump2", "minidump.dmp",
       base::FilePath("util/net/testdata/binary_http_body.dat"), "");
   builder.SetFileAttachment("minidump", "minidump.dmp",
       base::FilePath("util/net/testdata/ascii_http_body.txt"), "text/plain");
   scoped_ptr<HTTPBodyStream> body(builder.GetBodyStream());
   ASSERT_TRUE(body.get());
   std::string contents = ReadStreamToString(body.get());
   auto lines = SplitCRLF(contents);
+  ASSERT_EQ(15u, lines.size());
   auto lines_it = lines.begin();
 
   const std::string& boundary = *lines_it++;
   EXPECT_GE(boundary.length(), 1u);
   EXPECT_LE(boundary.length(), 70u);
 
   EXPECT_EQ("Content-Disposition: form-data; name=\"a key\"", *lines_it++);
   EXPECT_EQ("", *lines_it++);
   EXPECT_EQ(kValue, *lines_it++);
 
@@ skipping 60 matching lines @@
   ASSERT_DEATH(builder.SetFileAttachment("", "", base::FilePath(), "<>"), "");
   // Invalid but safe:
   builder.SetFileAttachment("", "", base::FilePath(), "0/totally/-invalid.pdf");
   // Valid and safe:
   builder.SetFileAttachment("", "", base::FilePath(), "application/xml+xhtml");
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace crashpad