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Add MapVector::rbegin(), MapVector::rend() to completment MapVector::begin(), MapVector::end().

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These just delegate to the underlying vector type in the MapVector.

Also just add in some sanity unittests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@220687 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael Gottesman 2014-10-27 17:20:53 +00:00
parent af628cc0b8
commit 86ec9c4081
2 changed files with 36 additions and 17 deletions
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28
include/llvm/ADT/MapVector.h
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@ -37,26 +37,20 @@ class MapVector {
public:
typedef typename VectorType::iterator iterator;
typedef typename VectorType::const_iterator const_iterator;
typedef typename VectorType::reverse_iterator reverse_iterator;
typedef typename VectorType::const_reverse_iterator const_reverse_iterator;
size_type size() const {
return Vector.size();
}
size_type size() const { return Vector.size(); }
iterator begin() {
return Vector.begin();
}
iterator begin() { return Vector.begin(); }
const_iterator begin() const { return Vector.begin(); }
iterator end() { return Vector.end(); }
const_iterator end() const { return Vector.end(); }
const_iterator begin() const {
return Vector.begin();
}
iterator end() {
return Vector.end();
}
const_iterator end() const {
return Vector.end();
}
reverse_iterator rbegin() { return Vector.rbegin(); }
const_reverse_iterator rbegin() const { return Vector.rbegin(); }
reverse_iterator rend() { return Vector.rend(); }
const_reverse_iterator rend() const { return Vector.rend(); }
bool empty() const {
return Vector.empty();

25
unittests/ADT/MapVectorTest.cpp
View File

@ -9,6 +9,7 @@
#include "gtest/gtest.h"
#include "llvm/ADT/MapVector.h"
#include "llvm/ADT/iterator_range.h"
#include <utility>
using namespace llvm;
@ -97,3 +98,27 @@ TEST(MapVectorTest, remove_if) {
ASSERT_EQ(MV[4], 14);
ASSERT_EQ(MV[6], 16);
}
TEST(MapVectorTest, iteration_test) {
MapVector<int, int> MV;
MV.insert(std::make_pair(1, 11));
MV.insert(std::make_pair(2, 12));
MV.insert(std::make_pair(3, 13));
MV.insert(std::make_pair(4, 14));
MV.insert(std::make_pair(5, 15));
MV.insert(std::make_pair(6, 16));
ASSERT_EQ(MV.size(), 6u);
int count = 1;
for (auto P : make_range(MV.begin(), MV.end())) {
ASSERT_EQ(P.first, count);
count++;
}
count = 6;
for (auto P : make_range(MV.rbegin(), MV.rend())) {
ASSERT_EQ(P.first, count);
count--;
}
}