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Unified Diff: chrome/browser/sync/util/enum_set_unittest.cc

Issue 8772073: [Sync] Add new EnumSet class representing a set of enum values (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Addressed comments Created 9 years ago
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Index: chrome/browser/sync/util/enum_set_unittest.cc
diff --git a/chrome/browser/sync/util/enum_set_unittest.cc b/chrome/browser/sync/util/enum_set_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..5e40dd0a40f58dc74fc8a592b7319f0f762b41e0
--- /dev/null
+++ b/chrome/browser/sync/util/enum_set_unittest.cc
@@ -0,0 +1,190 @@
+// Copyright (c) 2011 The Chromium 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 "chrome/browser/sync/util/enum_set.h"
+
+#include "base/basictypes.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace browser_sync {
+namespace {
+
+enum TestEnum {
+ TEST_0,
+ TEST_MIN = TEST_0,
+ TEST_1,
+ TEST_2,
+ TEST_3,
+ TEST_4,
+ TEST_MAX = TEST_4,
+};
+
+typedef EnumSet<TestEnum, TEST_MIN, TEST_MAX> TestEnumSet;
+
+class EnumSetTest : public ::testing::Test {};
+
+TEST_F(EnumSetTest, ClassConstants) {
+ TestEnumSet enums;
+ EXPECT_EQ(TEST_MIN, TestEnumSet::kMinValue);
+ EXPECT_EQ(TEST_MAX, TestEnumSet::kMaxValue);
+ EXPECT_EQ(static_cast<size_t>(5), TestEnumSet::kValueCount);
+}
+
+TEST_F(EnumSetTest, DefaultConstructor) {
+ const TestEnumSet enums;
+ EXPECT_TRUE(enums.Empty());
+ EXPECT_EQ(static_cast<size_t>(0), enums.Size());
+ EXPECT_FALSE(enums.Has(TEST_0));
+ EXPECT_FALSE(enums.Has(TEST_1));
+ EXPECT_FALSE(enums.Has(TEST_2));
+ EXPECT_FALSE(enums.Has(TEST_3));
+ EXPECT_FALSE(enums.Has(TEST_4));
+}
+
+TEST_F(EnumSetTest, OneArgConstructor) {
+ const TestEnumSet enums(TEST_3);
+ EXPECT_FALSE(enums.Empty());
+ EXPECT_EQ(static_cast<size_t>(1), enums.Size());
+ EXPECT_FALSE(enums.Has(TEST_0));
+ EXPECT_FALSE(enums.Has(TEST_1));
+ EXPECT_FALSE(enums.Has(TEST_2));
+ EXPECT_TRUE(enums.Has(TEST_3));
+ EXPECT_FALSE(enums.Has(TEST_4));
+}
+
+TEST_F(EnumSetTest, TwoArgConstructor) {
+ const TestEnumSet enums(TEST_3, TEST_1);
+ EXPECT_FALSE(enums.Empty());
+ EXPECT_EQ(static_cast<size_t>(2), enums.Size());
+ EXPECT_FALSE(enums.Has(TEST_0));
+ EXPECT_TRUE(enums.Has(TEST_1));
+ EXPECT_FALSE(enums.Has(TEST_2));
+ EXPECT_TRUE(enums.Has(TEST_3));
+ EXPECT_FALSE(enums.Has(TEST_4));
+}
+
+TEST_F(EnumSetTest, ThreeArgConstructor) {
+ const TestEnumSet enums(TEST_3, TEST_1, TEST_0);
+ EXPECT_FALSE(enums.Empty());
+ EXPECT_EQ(static_cast<size_t>(3), enums.Size());
+ EXPECT_TRUE(enums.Has(TEST_0));
+ EXPECT_TRUE(enums.Has(TEST_1));
+ EXPECT_FALSE(enums.Has(TEST_2));
+ EXPECT_TRUE(enums.Has(TEST_3));
+ EXPECT_FALSE(enums.Has(TEST_4));
+}
+
+TEST_F(EnumSetTest, All) {
+ const TestEnumSet enums(TestEnumSet::All());
+ EXPECT_FALSE(enums.Empty());
+ EXPECT_EQ(static_cast<size_t>(5), enums.Size());
+ EXPECT_TRUE(enums.Has(TEST_0));
+ EXPECT_TRUE(enums.Has(TEST_1));
+ EXPECT_TRUE(enums.Has(TEST_2));
+ EXPECT_TRUE(enums.Has(TEST_3));
+ EXPECT_TRUE(enums.Has(TEST_4));
+}
+
+TEST_F(EnumSetTest, Put) {
+ TestEnumSet enums(TEST_3);
+ enums.Put(TEST_2);
+ EXPECT_TRUE(enums.Equals(TestEnumSet(TEST_2, TEST_3)));
+ enums.Put(TEST_4);
+ EXPECT_TRUE(enums.Equals(TestEnumSet(TEST_2, TEST_3, TEST_4)));
+}
+
+TEST_F(EnumSetTest, PutAll) {
+ TestEnumSet enums(TEST_3, TEST_4);
+ enums.PutAll(TestEnumSet(TEST_2, TEST_3));
+ EXPECT_TRUE(enums.Equals(TestEnumSet(TEST_2, TEST_3, TEST_4)));
+}
+
+TEST_F(EnumSetTest, RetainAll) {
+ TestEnumSet enums(TEST_3, TEST_4);
+ enums.RetainAll(TestEnumSet(TEST_2, TEST_3));
+ EXPECT_TRUE(enums.Equals(TestEnumSet(TEST_3)));
+}
+
+TEST_F(EnumSetTest, Remove) {
+ TestEnumSet enums(TEST_3, TEST_4);
+ enums.Remove(TEST_2);
+ EXPECT_TRUE(enums.Equals(TestEnumSet(TEST_3, TEST_4)));
+ enums.Remove(TEST_3);
+ EXPECT_TRUE(enums.Equals(TestEnumSet(TEST_4)));
+ enums.Remove(TEST_4);
+ EXPECT_TRUE(enums.Empty());
+}
+
+TEST_F(EnumSetTest, RemoveAll) {
+ TestEnumSet enums(TEST_3, TEST_4);
+ enums.RemoveAll(TestEnumSet(TEST_2, TEST_3));
+ EXPECT_TRUE(enums.Equals(TestEnumSet(TEST_4)));
+}
+
+TEST_F(EnumSetTest, Clear) {
+ TestEnumSet enums(TEST_3, TEST_4);
+ enums.Clear();
+ EXPECT_TRUE(enums.Empty());
+}
+
+TEST_F(EnumSetTest, Has) {
+ const TestEnumSet enums(TEST_3, TEST_4);
+ EXPECT_FALSE(enums.Has(TEST_1));
+ EXPECT_FALSE(enums.Has(TEST_2));
+ EXPECT_TRUE(enums.Has(TEST_3));
+ EXPECT_TRUE(enums.Has(TEST_4));
+}
+
+TEST_F(EnumSetTest, HasAll) {
+ const TestEnumSet enums1(TEST_3, TEST_4);
+ const TestEnumSet enums2(TEST_2, TEST_3);
+ const TestEnumSet enums3 = Union(enums1, enums2);
+ EXPECT_TRUE(enums1.HasAll(enums1));
+ EXPECT_FALSE(enums1.HasAll(enums2));
+ EXPECT_FALSE(enums1.HasAll(enums3));
+
+ EXPECT_FALSE(enums2.HasAll(enums1));
+ EXPECT_TRUE(enums2.HasAll(enums2));
+ EXPECT_FALSE(enums2.HasAll(enums3));
+
+ EXPECT_TRUE(enums3.HasAll(enums1));
+ EXPECT_TRUE(enums3.HasAll(enums2));
+ EXPECT_TRUE(enums3.HasAll(enums3));
+}
+
+TEST_F(EnumSetTest, Iterators) {
+ const TestEnumSet enums1(TEST_3, TEST_4);
+ TestEnumSet enums2;
+ for (TestEnumSet::Iterator it = enums1.First(); it.Good(); it.Inc()) {
+ enums2.Put(it.Get());
+ }
+ EXPECT_TRUE(enums1.Equals(enums2));
+}
+
+TEST_F(EnumSetTest, Union) {
+ const TestEnumSet enums1(TEST_3, TEST_4);
+ const TestEnumSet enums2(TEST_2, TEST_3);
+ const TestEnumSet enums3 = Union(enums1, enums2);
+
+ EXPECT_TRUE(enums3.Equals(TestEnumSet(TEST_2, TEST_3, TEST_4)));
+}
+
+TEST_F(EnumSetTest, Intersection) {
+ const TestEnumSet enums1(TEST_3, TEST_4);
+ const TestEnumSet enums2(TEST_2, TEST_3);
+ const TestEnumSet enums3 = Intersection(enums1, enums2);
+
+ EXPECT_TRUE(enums3.Equals(TestEnumSet(TEST_3)));
+}
+
+TEST_F(EnumSetTest, Difference) {
+ const TestEnumSet enums1(TEST_3, TEST_4);
+ const TestEnumSet enums2(TEST_2, TEST_3);
+ const TestEnumSet enums3 = Difference(enums1, enums2);
+
+ EXPECT_TRUE(enums3.Equals(TestEnumSet(TEST_4)));
+}
+
+} // namespace
+} // namespace browser_sync
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