text: //===- llvm/unittest/ADT/SetVector.cpp ------------------------------===//
  //
  //                     The LLVM Compiler Infrastructure
  //
  // This file is distributed under the University of Illinois Open Source
  // License. See LICENSE.TXT for details.
  //
  //===----------------------------------------------------------------------===//
  //
  // SetVector unit tests.
  //
  //===----------------------------------------------------------------------===//
  
  #include "llvm/ADT/SetVector.h"
  #include "gtest/gtest.h"
  
  using namespace llvm;
  
  TEST(SetVector, EraseTest) {
    SetVector<int> S;
    S.insert(0);
    S.insert(1);
    S.insert(2);
  
    auto I = S.erase(std::next(S.begin()));
  
    // Test that the returned iterator is the expected one-after-erase
    // and the size/contents is the expected sequence {0, 2}.
    EXPECT_EQ(std::next(S.begin()), I);
    EXPECT_EQ(2u, S.size());
    EXPECT_EQ(0, *S.begin());
    EXPECT_EQ(2, *std::next(S.begin()));
  }
  
  