src/tools/gn/unique_vector_unittest.cc

   1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include <algorithm>
   6
   7 #include "base/time/time.h"
   8 #include "testing/gtest/include/gtest/gtest.h"
   9 #include "tools/gn/unique_vector.h"
  10
  11 TEST(UniqueVector, PushBack) {
  12   UniqueVector<int> foo;
  13   EXPECT_TRUE(foo.push_back(1));
  14   EXPECT_FALSE(foo.push_back(1));
  15   EXPECT_TRUE(foo.push_back(2));
  16   EXPECT_TRUE(foo.push_back(0));
  17   EXPECT_FALSE(foo.push_back(2));
  18   EXPECT_FALSE(foo.push_back(1));
  19
  20   EXPECT_EQ(3u, foo.size());
  21   EXPECT_EQ(1, foo[0]);
  22   EXPECT_EQ(2, foo[1]);
  23   EXPECT_EQ(0, foo[2]);
  24
  25   // Verify those results with IndexOf as well.
  26   EXPECT_EQ(0u, foo.IndexOf(1));
  27   EXPECT_EQ(1u, foo.IndexOf(2));
  28   EXPECT_EQ(2u, foo.IndexOf(0));
  29   EXPECT_EQ(static_cast<size_t>(-1), foo.IndexOf(99));
  30 }
  31
  32 TEST(UniqueVector, PushBackViaSwap) {
  33   UniqueVector<std::string> vect;
  34   std::string a("a");
  35   EXPECT_TRUE(vect.PushBackViaSwap(&a));
  36   EXPECT_EQ("", a);
  37
  38   a = "a";
  39   EXPECT_FALSE(vect.PushBackViaSwap(&a));
  40   EXPECT_EQ("a", a);
  41
  42   EXPECT_EQ(0u, vect.IndexOf("a"));
  43 }