libc/test/src/__support/fixedvector_test.cpp

   1 //===-- Unittests for FixedVector -----------------------------------------===//
   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 "src/__support/fixedvector.h"
  10 #include "test/UnitTest/Test.h"
  11
  12 TEST(LlvmLibcFixedVectorTest, PushAndPop) {
  13   LIBC_NAMESPACE::FixedVector<int, 20> fixed_vector;
  14   ASSERT_TRUE(fixed_vector.empty());
  15   for (int i = 0; i < 20; i++)
  16     ASSERT_TRUE(fixed_vector.push_back(i));
  17   ASSERT_FALSE(fixed_vector.empty());
  18   ASSERT_FALSE(fixed_vector.push_back(123));
  19   for (int i = 20; i > 0; --i) {
  20     ASSERT_EQ(fixed_vector.back(), i - 1);
  21     ASSERT_TRUE(fixed_vector.pop_back());
  22   }
  23   ASSERT_FALSE(fixed_vector.pop_back());
  24   ASSERT_TRUE(fixed_vector.empty());
  25 }
  26
  27 TEST(LlvmLibcFixedVectorTest, Reset) {
  28   LIBC_NAMESPACE::FixedVector<int, 20> fixed_vector;
  29   ASSERT_TRUE(fixed_vector.empty());
  30   for (int i = 0; i < 20; i++)
  31     ASSERT_TRUE(fixed_vector.push_back(i));
  32   ASSERT_FALSE(fixed_vector.empty());
  33   fixed_vector.reset();
  34   ASSERT_TRUE(fixed_vector.empty());
  35 }
  36
  37 TEST(LlvmLibcFixedVectorTest, Destroy) {
  38   LIBC_NAMESPACE::FixedVector<int, 20> fixed_vector;
  39   ASSERT_TRUE(fixed_vector.empty());
  40   for (int i = 0; i < 20; i++)
  41     ASSERT_TRUE(fixed_vector.push_back(i));
  42   ASSERT_FALSE(fixed_vector.empty());
  43   LIBC_NAMESPACE::FixedVector<int, 20>::destroy(&fixed_vector);
  44   ASSERT_TRUE(fixed_vector.empty());
  45 }