compiler-rt/lib/scudo/standalone/tests/vector_test.cpp

   1 //===-- vector_test.cpp -----------------------------------------*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "tests/scudo_unit_test.h"
  10
  11 #include "vector.h"
  12
  13 TEST(ScudoVectorTest, Basic) {
  14   scudo::Vector<int> V;
  15   EXPECT_EQ(V.size(), 0U);
  16   V.push_back(42);
  17   EXPECT_EQ(V.size(), 1U);
  18   EXPECT_EQ(V[0], 42);
  19   V.push_back(43);
  20   EXPECT_EQ(V.size(), 2U);
  21   EXPECT_EQ(V[0], 42);
  22   EXPECT_EQ(V[1], 43);
  23 }
  24
  25 TEST(ScudoVectorTest, Stride) {
  26   scudo::Vector<scudo::uptr> V;
  27   for (scudo::uptr I = 0; I < 1000; I++) {
  28     V.push_back(I);
  29     EXPECT_EQ(V.size(), I + 1U);
  30     EXPECT_EQ(V[I], I);
  31   }
  32   for (scudo::uptr I = 0; I < 1000; I++)
  33     EXPECT_EQ(V[I], I);
  34 }
  35
  36 TEST(ScudoVectorTest, ResizeReduction) {
  37   scudo::Vector<int> V;
  38   V.push_back(0);
  39   V.push_back(0);
  40   EXPECT_EQ(V.size(), 2U);
  41   V.resize(1);
  42   EXPECT_EQ(V.size(), 1U);
  43 }