mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-22 18:54:02 +01:00
102 lines
2.4 KiB
C++
102 lines
2.4 KiB
C++
//===- IteratorTest.cpp - Unit tests for iterator utilities ---------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/ADT/iterator.h"
|
|
#include "llvm/ADT/STLExtras.h"
|
|
#include "llvm/ADT/SmallVector.h"
|
|
#include "gtest/gtest.h"
|
|
|
|
using namespace llvm;
|
|
|
|
namespace {
|
|
|
|
TEST(PointeeIteratorTest, Basic) {
|
|
int arr[4] = { 1, 2, 3, 4 };
|
|
SmallVector<int *, 4> V;
|
|
V.push_back(&arr[0]);
|
|
V.push_back(&arr[1]);
|
|
V.push_back(&arr[2]);
|
|
V.push_back(&arr[3]);
|
|
|
|
typedef pointee_iterator<SmallVectorImpl<int *>::const_iterator> test_iterator;
|
|
|
|
test_iterator Begin, End;
|
|
Begin = V.begin();
|
|
End = test_iterator(V.end());
|
|
|
|
test_iterator I = Begin;
|
|
for (int i = 0; i < 4; ++i) {
|
|
EXPECT_EQ(*V[i], *I);
|
|
|
|
EXPECT_EQ(I, Begin + i);
|
|
EXPECT_EQ(I, std::next(Begin, i));
|
|
test_iterator J = Begin;
|
|
J += i;
|
|
EXPECT_EQ(I, J);
|
|
EXPECT_EQ(*V[i], Begin[i]);
|
|
|
|
EXPECT_NE(I, End);
|
|
EXPECT_GT(End, I);
|
|
EXPECT_LT(I, End);
|
|
EXPECT_GE(I, Begin);
|
|
EXPECT_LE(Begin, I);
|
|
|
|
EXPECT_EQ(i, I - Begin);
|
|
EXPECT_EQ(i, std::distance(Begin, I));
|
|
EXPECT_EQ(Begin, I - i);
|
|
|
|
test_iterator K = I++;
|
|
EXPECT_EQ(K, std::prev(I));
|
|
}
|
|
EXPECT_EQ(End, I);
|
|
}
|
|
|
|
TEST(PointeeIteratorTest, SmartPointer) {
|
|
SmallVector<std::unique_ptr<int>, 4> V;
|
|
V.push_back(make_unique<int>(1));
|
|
V.push_back(make_unique<int>(2));
|
|
V.push_back(make_unique<int>(3));
|
|
V.push_back(make_unique<int>(4));
|
|
|
|
typedef pointee_iterator<
|
|
SmallVectorImpl<std::unique_ptr<int>>::const_iterator> test_iterator;
|
|
|
|
test_iterator Begin, End;
|
|
Begin = V.begin();
|
|
End = test_iterator(V.end());
|
|
|
|
test_iterator I = Begin;
|
|
for (int i = 0; i < 4; ++i) {
|
|
EXPECT_EQ(*V[i], *I);
|
|
|
|
EXPECT_EQ(I, Begin + i);
|
|
EXPECT_EQ(I, std::next(Begin, i));
|
|
test_iterator J = Begin;
|
|
J += i;
|
|
EXPECT_EQ(I, J);
|
|
EXPECT_EQ(*V[i], Begin[i]);
|
|
|
|
EXPECT_NE(I, End);
|
|
EXPECT_GT(End, I);
|
|
EXPECT_LT(I, End);
|
|
EXPECT_GE(I, Begin);
|
|
EXPECT_LE(Begin, I);
|
|
|
|
EXPECT_EQ(i, I - Begin);
|
|
EXPECT_EQ(i, std::distance(Begin, I));
|
|
EXPECT_EQ(Begin, I - i);
|
|
|
|
test_iterator K = I++;
|
|
EXPECT_EQ(K, std::prev(I));
|
|
}
|
|
EXPECT_EQ(End, I);
|
|
}
|
|
|
|
} // anonymous namespace
|