1//===----------- ImmutableMapTest.cpp - ImmutableMap 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 "gtest/gtest.h"
11#include "llvm/ADT/ImmutableMap.h"
12
13using namespace llvm;
14
15namespace {
16
17TEST(ImmutableMapTest, EmptyIntMapTest) {
18  ImmutableMap<int, int>::Factory f;
19
20  EXPECT_TRUE(f.getEmptyMap() == f.getEmptyMap());
21  EXPECT_FALSE(f.getEmptyMap() != f.getEmptyMap());
22  EXPECT_TRUE(f.getEmptyMap().isEmpty());
23
24  ImmutableMap<int, int> S = f.getEmptyMap();
25  EXPECT_EQ(0u, S.getHeight());
26  EXPECT_TRUE(S.begin() == S.end());
27  EXPECT_FALSE(S.begin() != S.end());
28}
29
30TEST(ImmutableMapTest, MultiElemIntMapTest) {
31  ImmutableMap<int, int>::Factory f;
32  ImmutableMap<int, int> S = f.getEmptyMap();
33
34  ImmutableMap<int, int> S2 = f.add(f.add(f.add(S, 3, 10), 4, 11), 5, 12);
35
36  EXPECT_TRUE(S.isEmpty());
37  EXPECT_FALSE(S2.isEmpty());
38
39  EXPECT_EQ(nullptr, S.lookup(3));
40  EXPECT_EQ(nullptr, S.lookup(9));
41
42  EXPECT_EQ(10, *S2.lookup(3));
43  EXPECT_EQ(11, *S2.lookup(4));
44  EXPECT_EQ(12, *S2.lookup(5));
45
46  EXPECT_EQ(5, S2.getMaxElement()->first);
47  EXPECT_EQ(3U, S2.getHeight());
48}
49
50}
51