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
17 using namespace llvm;
18
19 namespace {
20
TEST(PackedVectorTest,Operation)21 TEST(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
TEST(PackedVectorTest,UnsignedValues)67 TEST(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
TEST(PackedVectorTest,SignedValues)83 TEST(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