win: Implement exception snapshot

snapshot/win/cpu_context_win_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,
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#include "test/paths.h"
+#include "snapshot/win/cpu_context_win.h"
 
-#include "base/files/file_path.h"
+#include <windows.h>
+
 #include "build/build_config.h"
 #include "gtest/gtest.h"
-#include "util/file/file_io.h"
+#include "snapshot/cpu_context.h"
 
 namespace crashpad {
 namespace test {
 namespace {
 
-TEST(Paths, Executable) {
-  base::FilePath executable_path = Paths::Executable();
-  base::FilePath executable_name = executable_path.BaseName();
-#if defined(OS_WIN)
-  EXPECT_EQ(FILE_PATH_LITERAL("crashpad_test_test.exe"),
-            executable_name.value());
-#else
-  EXPECT_EQ("crashpad_test_test", executable_name.value());
-#endif  // OS_WIN
+#if defined(ARCH_CPU_X86_FAMILY)

[Mark Mentovai, 2015/08/18 16:17:19]

Doesn’t look like it’ll work as-is on 32-bit x86, though.

[scottmg, 2015/08/18 16:56:00]

Added #error on 32 for now.

+
+TEST(CPUContextWin, InitializeX64Context) {
+  CONTEXT context;
+  context.Rax = 10;
+  context.FltSave.TagWord = 11;
+  context.Dr0 = 12;
+
+  // Test the simple case, where everything in the CPUContextX86_64 argument is
+  // set directly from the supplied thread, float, and debug state parameters.
+  {
+    CPUContextX86_64 cpu_context_x86_64 = {};
+    InitializeX64Context(context, &cpu_context_x86_64);
+    EXPECT_EQ(10u, cpu_context_x86_64.rax);
+    EXPECT_EQ(11u, cpu_context_x86_64.fxsave.ftw);
+    EXPECT_EQ(12u, cpu_context_x86_64.dr0);
+  }
 }
 
-TEST(Paths, TestDataRoot) {
-  base::FilePath test_data_root = Paths::TestDataRoot();
-  ScopedFileHandle file(LoggingOpenFileForRead(
-      test_data_root.Append(FILE_PATH_LITERAL("test"))
-          .Append(FILE_PATH_LITERAL("paths_test_data_root.txt"))));
-  EXPECT_TRUE(file.is_valid());
-}
+#endif
 
 }  // namespace
 }  // namespace test
 }  // namespace crashpad