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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   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 
TEST(PackedVectorTest,UnsignedValues)79 TEST(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 
TEST(PackedVectorTest,SignedValues)95 TEST(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