| // Copyright 2014 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 "mojo/edk/system/unique_identifier.h" |
| |
| #include <set> |
| #include <string> |
| |
| #include "base/containers/hash_tables.h" |
| #include "mojo/edk/embedder/simple_platform_support.h" |
| #include "mojo/public/cpp/system/macros.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace mojo { |
| namespace system { |
| namespace { |
| |
| class UniqueIdentifierTest : public testing::Test { |
| public: |
| UniqueIdentifierTest() {} |
| ~UniqueIdentifierTest() override {} |
| |
| embedder::PlatformSupport* platform_support() { return &platform_support_; } |
| |
| private: |
| embedder::SimplePlatformSupport platform_support_; |
| |
| MOJO_DISALLOW_COPY_AND_ASSIGN(UniqueIdentifierTest); |
| }; |
| |
| TEST_F(UniqueIdentifierTest, Basic) { |
| // (This also checks copy constructibility.) |
| UniqueIdentifier id1 = UniqueIdentifier::Generate(platform_support()); |
| |
| EXPECT_EQ(id1, id1); |
| EXPECT_FALSE(id1 != id1); |
| EXPECT_FALSE(id1 < id1); |
| |
| UniqueIdentifier id2 = UniqueIdentifier::Generate(platform_support()); |
| |
| EXPECT_FALSE(id2 == id1); |
| EXPECT_NE(id2, id1); |
| EXPECT_TRUE((id1 < id2) ^ (id2 < id1)); |
| |
| // Test copyability. |
| id2 = id1; |
| } |
| |
| TEST_F(UniqueIdentifierTest, ToString) { |
| UniqueIdentifier id1 = UniqueIdentifier::Generate(platform_support()); |
| std::string id1_string = id1.ToString(); |
| EXPECT_FALSE(id1_string.empty()); |
| |
| // The string should be printable, and not contain certain characters. |
| for (size_t i = 0; i < id1_string.size(); i++) { |
| char c = id1_string[i]; |
| // Printable characters, not including space. |
| EXPECT_GT(c, ' '); |
| EXPECT_LE(c, '\x7e'); |
| // Single and double quotes, and backslashes are disallowed. |
| EXPECT_NE(c, '\''); |
| EXPECT_NE(c, '"'); |
| EXPECT_NE(c, '\\'); |
| } |
| |
| UniqueIdentifier id2 = UniqueIdentifier::Generate(platform_support()); |
| std::string id2_string = id2.ToString(); |
| EXPECT_FALSE(id2_string.empty()); |
| |
| EXPECT_NE(id1, id2); |
| EXPECT_NE(id1_string, id2_string); |
| } |
| |
| TEST_F(UniqueIdentifierTest, FromString) { |
| UniqueIdentifier id = UniqueIdentifier::Generate(platform_support()); |
| std::string id_string = id.ToString(); |
| EXPECT_FALSE(id_string.empty()); |
| |
| bool success = false; |
| UniqueIdentifier id_restored = |
| UniqueIdentifier::FromString(id_string, &success); |
| EXPECT_TRUE(success); |
| EXPECT_EQ(id, id_restored); |
| } |
| |
| TEST_F(UniqueIdentifierTest, FromStringFailures) { |
| bool success = true; |
| UniqueIdentifier::FromString("", &success); |
| EXPECT_FALSE(success); |
| |
| // That the cases below will fail requires *some* knowledge of the (private) |
| // encoding. So first check something that we know should succeed, to roughly |
| // confirm our knowledge. |
| success = false; |
| UniqueIdentifier::FromString("0123456789ABCDEF0123456789ABCDEF", &success); |
| EXPECT_TRUE(success); |
| |
| success = true; |
| UniqueIdentifier::FromString("0123456789abcdef0123456789abcdef", &success); |
| EXPECT_FALSE(success); |
| |
| success = true; |
| UniqueIdentifier::FromString("!@#$%^&*()_+-=/\\,.<>[]{};':\"|", &success); |
| EXPECT_FALSE(success); |
| |
| success = true; |
| UniqueIdentifier::FromString("0123456789ABCDEF0123456789ABCDE", &success); |
| EXPECT_FALSE(success); |
| |
| success = true; |
| UniqueIdentifier::FromString("0123456789ABCDEF0123456789ABCD", &success); |
| EXPECT_FALSE(success); |
| } |
| |
| TEST_F(UniqueIdentifierTest, StdSet) { |
| std::set<UniqueIdentifier> s; |
| EXPECT_TRUE(s.empty()); |
| |
| UniqueIdentifier id1 = UniqueIdentifier::Generate(platform_support()); |
| EXPECT_TRUE(s.find(id1) == s.end()); |
| s.insert(id1); |
| EXPECT_TRUE(s.find(id1) != s.end()); |
| EXPECT_FALSE(s.empty()); |
| |
| UniqueIdentifier id2 = UniqueIdentifier::Generate(platform_support()); |
| EXPECT_TRUE(s.find(id2) == s.end()); |
| s.insert(id2); |
| EXPECT_TRUE(s.find(id2) != s.end()); |
| // Make sure |id1| is still in |s|. |
| EXPECT_TRUE(s.find(id1) != s.end()); |
| |
| s.erase(id1); |
| EXPECT_TRUE(s.find(id1) == s.end()); |
| // Make sure |id2| is still in |s|. |
| EXPECT_TRUE(s.find(id2) != s.end()); |
| |
| s.erase(id2); |
| EXPECT_TRUE(s.find(id2) == s.end()); |
| EXPECT_TRUE(s.empty()); |
| } |
| |
| TEST_F(UniqueIdentifierTest, HashSet) { |
| base::hash_set<UniqueIdentifier> s; |
| EXPECT_TRUE(s.empty()); |
| |
| UniqueIdentifier id1 = UniqueIdentifier::Generate(platform_support()); |
| EXPECT_TRUE(s.find(id1) == s.end()); |
| s.insert(id1); |
| EXPECT_TRUE(s.find(id1) != s.end()); |
| EXPECT_FALSE(s.empty()); |
| |
| UniqueIdentifier id2 = UniqueIdentifier::Generate(platform_support()); |
| EXPECT_TRUE(s.find(id2) == s.end()); |
| s.insert(id2); |
| EXPECT_TRUE(s.find(id2) != s.end()); |
| // Make sure |id1| is still in |s|. |
| EXPECT_TRUE(s.find(id1) != s.end()); |
| |
| s.erase(id1); |
| EXPECT_TRUE(s.find(id1) == s.end()); |
| // Make sure |id2| is still in |s|. |
| EXPECT_TRUE(s.find(id2) != s.end()); |
| |
| s.erase(id2); |
| EXPECT_TRUE(s.find(id2) == s.end()); |
| EXPECT_TRUE(s.empty()); |
| } |
| |
| } // namespace |
| } // namespace system |
| } // namespace mojo |