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 using namespace __orc_rt;
17 
18 TEST(ADTTest, SpanDefaultConstruction) {
19   span<int> S;
20   EXPECT_TRUE(S.empty()) << "Default constructed span not empty";
21   EXPECT_EQ(S.size(), 0U) << "Default constructed span size not zero";
22   EXPECT_EQ(S.begin(), S.end()) << "Default constructed span begin != end";
23 }
24 
25 TEST(ADTTest, SpanConstructFromFixedArray) {
26   int A[] = {1, 2, 3, 4, 5};
27   span<int> S(A);
28   EXPECT_FALSE(S.empty()) << "Span should be non-empty";
29   EXPECT_EQ(S.size(), 5U) << "Span has unexpected size";
30   EXPECT_EQ(std::distance(S.begin(), S.end()), 5U)
31       << "Unexpected iterator range size";
32   EXPECT_EQ(S.data(), &A[0]) << "Span data has unexpected value";
33   for (unsigned I = 0; I != S.size(); ++I)
34     EXPECT_EQ(S[I], A[I]) << "Unexpected span element value";
35 }
36 
37 TEST(ADTTest, SpanConstructFromIteratorAndSize) {
38   int A[] = {1, 2, 3, 4, 5};
39   span<int> S(&A[0], 5);
40   EXPECT_FALSE(S.empty()) << "Span should be non-empty";
41   EXPECT_EQ(S.size(), 5U) << "Span has unexpected size";
42   EXPECT_EQ(std::distance(S.begin(), S.end()), 5U)
43       << "Unexpected iterator range size";
44   EXPECT_EQ(S.data(), &A[0]) << "Span data has unexpected value";
45   for (unsigned I = 0; I != S.size(); ++I)
46     EXPECT_EQ(S[I], A[I]) << "Unexpected span element value";
47 }
48 
49 TEST(ADTTest, StringViewDefaultConstruction) {
50   string_view S;
51   EXPECT_TRUE(S.empty()) << "Default constructed span not empty";
52   EXPECT_EQ(S.size(), 0U) << "Default constructed span size not zero";
53   EXPECT_EQ(S.begin(), S.end()) << "Default constructed span begin != end";
54 }
55 
56 TEST(ADTTest, StringViewConstructFromCharPtrAndSize) {
57   const char *Str = "abcdefg";
58   string_view S(Str, 5);
59   EXPECT_FALSE(S.empty()) << "Span should be non-empty";
60   EXPECT_EQ(S.size(), 5U) << "Span has unexpected size";
61   EXPECT_EQ(std::distance(S.begin(), S.end()), 5U)
62       << "Unexpected iterator range size";
63   EXPECT_EQ(S.data(), &Str[0]) << "Span data has unexpected value";
64   for (unsigned I = 0; I != S.size(); ++I)
65     EXPECT_EQ(S[I], Str[I]) << "Unexpected span element value";
66 }
67 
68 TEST(ADTTest, StringViewConstructFromCharPtr) {
69   const char *Str = "abcdefg";
70   size_t StrLen = strlen(Str);
71   string_view S(Str);
72 
73   EXPECT_FALSE(S.empty()) << "Span should be non-empty";
74   EXPECT_EQ(S.size(), StrLen) << "Span has unexpected size";
75   EXPECT_EQ(static_cast<size_t>(std::distance(S.begin(), S.end())), StrLen)
76       << "Unexpected iterator range size";
77   EXPECT_EQ(S.data(), &Str[0]) << "Span data has unexpected value";
78   for (unsigned I = 0; I != S.size(); ++I)
79     EXPECT_EQ(S[I], Str[I]) << "Unexpected span element value";
80 }
81 
82 TEST(ADTTest, StringViewEquality) {
83   EXPECT_EQ("", string_view());
84   EXPECT_FALSE(string_view("aab") == string_view("aac"));
85   EXPECT_FALSE(string_view("aab") != string_view("aab"));
86   EXPECT_NE(string_view("aab"), string_view("aac"));
87 }
88