//===----------------------------------------------------------------------===//
#include "llvm/ADT/iterator.h"
+#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallVector.h"
#include "gtest/gtest.h"
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