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      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 }
     37