Merge base unit tests into src to be in line with Chrome.

test/base-unittests/flags-unittest.cc

-// Copyright 2014 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "src/base/flags.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace v8 {
-namespace base {
-
-namespace {
-
-enum Flag1 {
-  kFlag1None = 0,
-  kFlag1First = 1u << 1,
-  kFlag1Second = 1u << 2,
-  kFlag1All = kFlag1None | kFlag1First | kFlag1Second
-};
-DEFINE_FLAGS(Flags1, Flag1);
-
-
-DEFINE_OPERATORS_FOR_FLAGS(Flags1)
-
-
-Flags1 bar(Flags1 flags1) { return flags1; }
-
-}  // namespace
-
-
-TEST(FlagsTest, BasicOperations) {
-  Flags1 a;
-  EXPECT_EQ(kFlag1None, static_cast<int>(a));
-  a |= kFlag1First;
-  EXPECT_EQ(kFlag1First, static_cast<int>(a));
-  a = a | kFlag1Second;
-  EXPECT_EQ(kFlag1All, static_cast<int>(a));
-  a &= kFlag1Second;
-  EXPECT_EQ(kFlag1Second, static_cast<int>(a));
-  a = kFlag1None & a;
-  EXPECT_EQ(kFlag1None, static_cast<int>(a));
-  a ^= (kFlag1All | kFlag1None);
-  EXPECT_EQ(kFlag1All, static_cast<int>(a));
-  Flags1 b = ~a;
-  EXPECT_EQ(kFlag1All, static_cast<int>(a));
-  EXPECT_EQ(~static_cast<int>(a), static_cast<int>(b));
-  Flags1 c = a;
-  EXPECT_EQ(a, c);
-  EXPECT_NE(a, b);
-  EXPECT_EQ(a, bar(a));
-  EXPECT_EQ(a, bar(kFlag1All));
-}
-
-
-namespace {
-namespace foo {
-
-enum Option {
-  kNoOptions = 0,
-  kOption1 = 1,
-  kOption2 = 2,
-  kAllOptions = kNoOptions | kOption1 | kOption2
-};
-DEFINE_FLAGS(Options, Option);
-
-}  // namespace foo
-
-
-DEFINE_OPERATORS_FOR_FLAGS(foo::Options)
-
-}  // namespace
-
-
-TEST(FlagsTest, NamespaceScope) {
-  foo::Options options;
-  options ^= foo::kNoOptions;
-  options |= foo::kOption1 | foo::kOption2;
-  EXPECT_EQ(foo::kAllOptions, static_cast<int>(options));
-}
-
-
-namespace {
-
-struct Foo {
-  enum Enum { kEnum1 = 1, kEnum2 = 2 };
-  DEFINE_FLAGS(Enums, Enum);
-};
-
-
-DEFINE_OPERATORS_FOR_FLAGS(Foo::Enums)
-
-}  // namespace
-
-
-TEST(FlagsTest, ClassScope) {
-  Foo::Enums enums;
-  enums |= Foo::kEnum1;
-  enums |= Foo::kEnum2;
-  EXPECT_TRUE(enums & Foo::kEnum1);
-  EXPECT_TRUE(enums & Foo::kEnum2);
-}
-
-}  // namespace base
-}  // namespace v8