win: Retrieve thread context for x64

snapshot/win/process_reader_win_test.cc

 // Copyright 2015 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 25 matching lines @@
 
   const char kTestMemory[] = "Some test memory";
   char buffer[arraysize(kTestMemory)];
   ASSERT_TRUE(
       process_reader.ReadMemory(reinterpret_cast<uintptr_t>(kTestMemory),
                                 sizeof(kTestMemory),
                                 &buffer));
   EXPECT_STREQ(kTestMemory, buffer);
 }
 
+TEST(ProcessReaderWin, SelfOneThread) {
+  ProcessReaderWin process_reader;
+  ASSERT_TRUE(process_reader.Initialize(GetCurrentProcess()));
+
+  const std::vector<ProcessReaderWin::Thread>& threads =
+      process_reader.Threads();
+
+  // If other tests ran in this process previously, threads may have been
+  // created and may still be running. This check must look for at least one
+  // thread, not exactly one thread.
+  ASSERT_GE(threads.size(), 1u);
+
+  EXPECT_EQ(GetThreadId(GetCurrentThread()), threads[0].id);
+#if defined(ARCH_CPU_64_BITS)
+  EXPECT_NE(0, threads[0].context.Rip);
+#else
+  EXPECT_NE(0, threads[0].context.Eip);
+#endif
+
+  EXPECT_EQ(0, threads[0].suspend_count);
+}
+
 }  // namespace
 }  // namespace test
 }  // namespace crashpad