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  Vec = Vec2;
56  EXPECT_TRUE(Vec == Vec2);
57  EXPECT_FALSE(Vec != Vec2);
58
59  Vec[1] = 1;
60  Vec2[1] = 2;
61  Vec |= Vec2;
62  EXPECT_EQ(3U, Vec[1]);
63}
64
65#ifdef EXPECT_DEBUG_DEATH
66
67TEST(PackedVectorTest, UnsignedValues) {
68  PackedVector<unsigned, 2> Vec(1);
69  Vec[0] = 0;
70  Vec[0] = 1;
71  Vec[0] = 2;
72  Vec[0] = 3;
73  EXPECT_DEBUG_DEATH(Vec[0] = 4, "value is too big");
74  EXPECT_DEBUG_DEATH(Vec[0] = -1, "value is too big");
75  EXPECT_DEBUG_DEATH(Vec[0] = 0x100, "value is too big");
76
77  PackedVector<unsigned, 3> Vec2(1);
78  Vec2[0] = 0;
79  Vec2[0] = 7;
80  EXPECT_DEBUG_DEATH(Vec[0] = 8, "value is too big");
81}
82
83TEST(PackedVectorTest, SignedValues) {
84  PackedVector<signed, 2> Vec(1);
85  Vec[0] = -2;
86  Vec[0] = -1;
87  Vec[0] = 0;
88  Vec[0] = 1;
89  EXPECT_DEBUG_DEATH(Vec[0] = -3, "value is too big");
90  EXPECT_DEBUG_DEATH(Vec[0] = 2, "value is too big");
91
92  PackedVector<signed, 3> Vec2(1);
93  Vec2[0] = -4;
94  Vec2[0] = 3;
95  EXPECT_DEBUG_DEATH(Vec[0] = -5, "value is too big");
96  EXPECT_DEBUG_DEATH(Vec[0] = 4, "value is too big");
97}
98
99#endif
100
101}
102
103#endif
104