1//===- llvm/unittest/ADT/ArrayRefTest.cpp - ArrayRef unit tests -----------===//
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#include "llvm/ADT/ArrayRef.h"
11#include "llvm/Support/Allocator.h"
12#include "llvm/Support/raw_ostream.h"
13#include "gtest/gtest.h"
14using namespace llvm;
15
16namespace llvm {
17
18TEST(ArrayRefTest, AllocatorCopy) {
19  BumpPtrAllocator Alloc;
20  static const uint16_t Words1[] = { 1, 4, 200, 37 };
21  ArrayRef<uint16_t> Array1 = makeArrayRef(Words1, 4);
22  static const uint16_t Words2[] = { 11, 4003, 67, 64000, 13 };
23  ArrayRef<uint16_t> Array2 = makeArrayRef(Words2, 5);
24  ArrayRef<uint16_t> Array1c = Array1.copy(Alloc);
25  ArrayRef<uint16_t> Array2c = Array2.copy(Alloc);;
26  EXPECT_TRUE(Array1.equals(Array1c));
27  EXPECT_NE(Array1.data(), Array1c.data());
28  EXPECT_TRUE(Array2.equals(Array2c));
29  EXPECT_NE(Array2.data(), Array2c.data());
30}
31
32TEST(ArrayRefTest, DropBack) {
33  static const int TheNumbers[] = {4, 8, 15, 16, 23, 42};
34  ArrayRef<int> AR1(TheNumbers);
35  ArrayRef<int> AR2(TheNumbers, AR1.size() - 1);
36  EXPECT_TRUE(AR1.drop_back().equals(AR2));
37}
38
39
40} // end anonymous namespace
41