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Add an insert() method to MapVector. Adds the first MapVector unit test.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173505 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nick Lewycky
2013-01-25 22:11:02 +00:00
parent a5597f0eaf
commit 6bbf4ff9c5
2 changed files with 54 additions and 0 deletions
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41
unittests/ADT/MapVectorTest.cpp Normal file
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//===- unittest/ADT/MapVectorTest.cpp - MapVector unit tests ----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "gtest/gtest.h"
#include "llvm/ADT/MapVector.h"
#include <utility>
using namespace llvm;
TEST(MapVectorTest, insert) {
MapVector<int, int> MV;
std::pair<MapVector<int, int>::iterator, bool> R;
R = MV.insert(std::make_pair(1, 2));
ASSERT_EQ(R.first, MV.begin());
EXPECT_EQ(R.first->first, 1);
EXPECT_EQ(R.first->second, 2);
EXPECT_TRUE(R.second);
R = MV.insert(std::make_pair(1, 3));
ASSERT_EQ(R.first, MV.begin());
EXPECT_EQ(R.first->first, 1);
EXPECT_EQ(R.first->second, 2);
EXPECT_FALSE(R.second);
R = MV.insert(std::make_pair(4, 5));
ASSERT_NE(R.first, MV.end());
EXPECT_EQ(R.first->first, 4);
EXPECT_EQ(R.first->second, 5);
EXPECT_TRUE(R.second);
EXPECT_EQ(MV.size(), 2u);
EXPECT_EQ(MV[1], 2);
EXPECT_EQ(MV[4], 5);
}