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      1 //===- llvm/unittest/ADT/SetVector.cpp ------------------------------===//
      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 // SetVector unit tests.
     11 //
     12 //===----------------------------------------------------------------------===//
     13 
     14 #include "llvm/ADT/SetVector.h"
     15 #include "gtest/gtest.h"
     16 
     17 using namespace llvm;
     18 
     19 TEST(SetVector, EraseTest) {
     20   SetVector<int> S;
     21   S.insert(0);
     22   S.insert(1);
     23   S.insert(2);
     24 
     25   auto I = S.erase(std::next(S.begin()));
     26 
     27   // Test that the returned iterator is the expected one-after-erase
     28   // and the size/contents is the expected sequence {0, 2}.
     29   EXPECT_EQ(std::next(S.begin()), I);
     30   EXPECT_EQ(2u, S.size());
     31   EXPECT_EQ(0, *S.begin());
     32   EXPECT_EQ(2, *std::next(S.begin()));
     33 }
     34 
     35