1 //===-- adt_test.cpp ------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This file is a part of the ORC runtime.
10 //
11 //===----------------------------------------------------------------------===//
12
13 #include "adt.h"
14 #include "gtest/gtest.h"
15
16 #include <sstream>
17 #include <string>
18
19 using namespace __orc_rt;
20
TEST(ADTTest,SpanDefaultConstruction)21 TEST(ADTTest, SpanDefaultConstruction) {
22 span<int> S;
23 EXPECT_TRUE(S.empty()) << "Default constructed span not empty";
24 EXPECT_EQ(S.size(), 0U) << "Default constructed span size not zero";
25 EXPECT_EQ(S.begin(), S.end()) << "Default constructed span begin != end";
26 }
27
TEST(ADTTest,SpanConstructFromFixedArray)28 TEST(ADTTest, SpanConstructFromFixedArray) {
29 int A[] = {1, 2, 3, 4, 5};
30 span<int> S(A);
31 EXPECT_FALSE(S.empty()) << "Span should be non-empty";
32 EXPECT_EQ(S.size(), 5U) << "Span has unexpected size";
33 EXPECT_EQ(std::distance(S.begin(), S.end()), 5U)
34 << "Unexpected iterator range size";
35 EXPECT_EQ(S.data(), &A[0]) << "Span data has unexpected value";
36 for (unsigned I = 0; I != S.size(); ++I)
37 EXPECT_EQ(S[I], A[I]) << "Unexpected span element value";
38 }
39
TEST(ADTTest,SpanConstructFromIteratorAndSize)40 TEST(ADTTest, SpanConstructFromIteratorAndSize) {
41 int A[] = {1, 2, 3, 4, 5};
42 span<int> S(&A[0], 5);
43 EXPECT_FALSE(S.empty()) << "Span should be non-empty";
44 EXPECT_EQ(S.size(), 5U) << "Span has unexpected size";
45 EXPECT_EQ(std::distance(S.begin(), S.end()), 5U)
46 << "Unexpected iterator range size";
47 EXPECT_EQ(S.data(), &A[0]) << "Span data has unexpected value";
48 for (unsigned I = 0; I != S.size(); ++I)
49 EXPECT_EQ(S[I], A[I]) << "Unexpected span element value";
50 }
51
TEST(ADTTest,StringViewDefaultConstruction)52 TEST(ADTTest, StringViewDefaultConstruction) {
53 string_view S;
54 EXPECT_TRUE(S.empty()) << "Default constructed span not empty";
55 EXPECT_EQ(S.size(), 0U) << "Default constructed span size not zero";
56 EXPECT_EQ(S.begin(), S.end()) << "Default constructed span begin != end";
57 }
58
TEST(ADTTest,StringViewConstructFromCharPtrAndSize)59 TEST(ADTTest, StringViewConstructFromCharPtrAndSize) {
60 const char *Str = "abcdefg";
61 string_view S(Str, 5);
62 EXPECT_FALSE(S.empty()) << "string_view should be non-empty";
63 EXPECT_EQ(S.size(), 5U) << "string_view has unexpected size";
64 EXPECT_EQ(std::distance(S.begin(), S.end()), 5U)
65 << "Unexpected iterator range size";
66 EXPECT_EQ(S.data(), &Str[0]) << "string_view data has unexpected value";
67 for (unsigned I = 0; I != S.size(); ++I)
68 EXPECT_EQ(S[I], Str[I]) << "Unexpected string_view element value";
69 }
70
TEST(ADTTest,StringViewConstructFromCharPtr)71 TEST(ADTTest, StringViewConstructFromCharPtr) {
72 const char *Str = "abcdefg";
73 size_t StrLen = strlen(Str);
74 string_view S(Str);
75
76 EXPECT_FALSE(S.empty()) << "string_view should be non-empty";
77 EXPECT_EQ(S.size(), StrLen) << "string_view has unexpected size";
78 EXPECT_EQ(static_cast<size_t>(std::distance(S.begin(), S.end())), StrLen)
79 << "Unexpected iterator range size";
80 EXPECT_EQ(S.data(), &Str[0]) << "string_view data has unexpected value";
81 for (unsigned I = 0; I != S.size(); ++I)
82 EXPECT_EQ(S[I], Str[I]) << "Unexpected string_view element value";
83 }
84
TEST(ADTTest,StringViewConstructFromStdString)85 TEST(ADTTest, StringViewConstructFromStdString) {
86 std::string Str("abcdefg");
87 string_view S(Str);
88
89 EXPECT_FALSE(S.empty()) << "string_view should be non-empty";
90 EXPECT_EQ(S.size(), Str.size()) << "string_view has unexpected size";
91 EXPECT_EQ(static_cast<size_t>(std::distance(S.begin(), S.end())), Str.size())
92 << "Unexpected iterator range size";
93 EXPECT_EQ(S.data(), &Str[0]) << "string_view data has unexpected value";
94 for (unsigned I = 0; I != S.size(); ++I)
95 EXPECT_EQ(S[I], Str[I]) << "Unexpected string_view element value";
96 }
97
TEST(ADTTest,StringViewCopyConstructionAndAssignment)98 TEST(ADTTest, StringViewCopyConstructionAndAssignment) {
99 // Check that string_views are copy-constructible and copy-assignable.
100 std::string Str("abcdefg");
101 string_view Orig(Str);
102 string_view CopyConstructed(Orig);
103 string_view CopyAssigned = Orig;
104
105 EXPECT_EQ(Orig, CopyConstructed);
106 EXPECT_EQ(Orig, CopyAssigned);
107 }
108
TEST(ADTTest,StringViewEquality)109 TEST(ADTTest, StringViewEquality) {
110 EXPECT_EQ("", string_view());
111 EXPECT_FALSE(string_view("aab") == string_view("aac"));
112 EXPECT_FALSE(string_view("aab") != string_view("aab"));
113 EXPECT_NE(string_view("aab"), string_view("aac"));
114 }
115
TEST(ADTTest,StringViewOStreamOperator)116 TEST(ADTTest, StringViewOStreamOperator) {
117 std::string Str("abcdefg");
118 string_view S(Str);
119 std::ostringstream OSS;
120 OSS << S;
121
122 EXPECT_EQ(OSS.str(), Str);
123 }
124
TEST(ADTTest,StringViewHashable)125 TEST(ADTTest, StringViewHashable) {
126 std::string Str("abcdefg");
127 string_view S(Str);
128
129 EXPECT_EQ(std::hash<std::string>()(Str), std::hash<string_view>()(S));
130 }
131