1//===- llvm/unittest/ADT/PackedVectorTest.cpp - PackedVector 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// BitVectorTest tests fail on PowerPC for unknown reasons, so disable this
11// as well since it depends on a BitVector.
12#ifndef __ppc__
13
14#include "llvm/ADT/PackedVector.h"
15#include "gtest/gtest.h"
16
17using namespace llvm;
18
19namespace {
20
21TEST(PackedVectorTest, Operation) {
22  PackedVector<unsigned, 2> Vec;
23  EXPECT_EQ(0U, Vec.size());
24  EXPECT_TRUE(Vec.empty());
25
26  Vec.resize(5);
27  EXPECT_EQ(5U, Vec.size());
28  EXPECT_FALSE(Vec.empty());
29
30  Vec.resize(11);
31  EXPECT_EQ(11U, Vec.size());
32  EXPECT_FALSE(Vec.empty());
33
34  PackedVector<unsigned, 2> Vec2(3);
35  EXPECT_EQ(3U, Vec2.size());
36  EXPECT_FALSE(Vec2.empty());
37
38  Vec.clear();
39  EXPECT_EQ(0U, Vec.size());
40  EXPECT_TRUE(Vec.empty());
41
42  Vec.push_back(2);
43  Vec.push_back(0);
44  Vec.push_back(1);
45  Vec.push_back(3);
46
47  EXPECT_EQ(2U, Vec[0]);
48  EXPECT_EQ(0U, Vec[1]);
49  EXPECT_EQ(1U, Vec[2]);
50  EXPECT_EQ(3U, Vec[3]);
51
52  EXPECT_FALSE(Vec == Vec2);
53  EXPECT_TRUE(Vec != Vec2);
54
55  Vec2.swap(Vec);
56  EXPECT_EQ(3U, Vec.size());
57  EXPECT_FALSE(Vec.empty());
58  EXPECT_EQ(0U, Vec[0]);
59  EXPECT_EQ(0U, Vec[1]);
60  EXPECT_EQ(0U, Vec[2]);
61
62  EXPECT_EQ(2U, Vec2[0]);
63  EXPECT_EQ(0U, Vec2[1]);
64  EXPECT_EQ(1U, Vec2[2]);
65  EXPECT_EQ(3U, Vec2[3]);
66
67  Vec = Vec2;
68  EXPECT_TRUE(Vec == Vec2);
69  EXPECT_FALSE(Vec != Vec2);
70
71  Vec[1] = 1;
72  Vec2[1] = 2;
73  Vec |= Vec2;
74  EXPECT_EQ(3U, Vec[1]);
75}
76
77#ifdef EXPECT_DEBUG_DEATH
78
79TEST(PackedVectorTest, UnsignedValues) {
80  PackedVector<unsigned, 2> Vec(1);
81  Vec[0] = 0;
82  Vec[0] = 1;
83  Vec[0] = 2;
84  Vec[0] = 3;
85  EXPECT_DEBUG_DEATH(Vec[0] = 4, "value is too big");
86  EXPECT_DEBUG_DEATH(Vec[0] = -1, "value is too big");
87  EXPECT_DEBUG_DEATH(Vec[0] = 0x100, "value is too big");
88
89  PackedVector<unsigned, 3> Vec2(1);
90  Vec2[0] = 0;
91  Vec2[0] = 7;
92  EXPECT_DEBUG_DEATH(Vec[0] = 8, "value is too big");
93}
94
95TEST(PackedVectorTest, SignedValues) {
96  PackedVector<signed, 2> Vec(1);
97  Vec[0] = -2;
98  Vec[0] = -1;
99  Vec[0] = 0;
100  Vec[0] = 1;
101  EXPECT_DEBUG_DEATH(Vec[0] = -3, "value is too big");
102  EXPECT_DEBUG_DEATH(Vec[0] = 2, "value is too big");
103
104  PackedVector<signed, 3> Vec2(1);
105  Vec2[0] = -4;
106  Vec2[0] = 3;
107  EXPECT_DEBUG_DEATH(Vec[0] = -5, "value is too big");
108  EXPECT_DEBUG_DEATH(Vec[0] = 4, "value is too big");
109}
110
111#endif
112
113}
114
115#endif
116