unittests/ADT/SparseBitVectorTest.cpp

   1 //===- llvm/unittest/ADT/SparseBitVectorTest.cpp - SparseBitVector tests --===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 #include "llvm/ADT/SparseBitVector.h"
  11 #include "gtest/gtest.h"
  12
  13 using namespace llvm;
  14
  15 namespace {
  16
  17 TEST(SparseBitVectorTest, TrivialOperation) {
  18   SparseBitVector<> Vec;
  19   EXPECT_EQ(0U, Vec.count());
  20   EXPECT_FALSE(Vec.test(17));
  21   Vec.set(5);
  22   EXPECT_TRUE(Vec.test(5));
  23   EXPECT_FALSE(Vec.test(17));
  24   Vec.reset(6);
  25   EXPECT_TRUE(Vec.test(5));
  26   EXPECT_FALSE(Vec.test(6));
  27   Vec.reset(5);
  28   EXPECT_FALSE(Vec.test(5));
  29   EXPECT_TRUE(Vec.test_and_set(17));
  30   EXPECT_FALSE(Vec.test_and_set(17));
  31   EXPECT_TRUE(Vec.test(17));
  32   Vec.clear();
  33   EXPECT_FALSE(Vec.test(17));
  34 }
  35
  36 }