1 /* Copyright (c) 2017, Google Inc. 2 * 3 * Permission to use, copy, modify, and/or distribute this software for any 4 * purpose with or without fee is hereby granted, provided that the above 5 * copyright notice and this permission notice appear in all copies. 6 * 7 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 8 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 9 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 10 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 11 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION 12 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 13 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ 14 15 #include <stdio.h> 16 #include <vector> 17 18 #include <gtest/gtest.h> 19 20 #include <openssl/ssl.h> 21 22 namespace bssl { 23 namespace { 24 25 static void TestCtor(Span<int> s, const int *ptr, size_t size) { 26 EXPECT_EQ(s.data(), ptr); 27 EXPECT_EQ(s.size(), size); 28 } 29 30 static void TestConstCtor(Span<const int> s, const int *ptr, size_t size) { 31 EXPECT_EQ(s.data(), ptr); 32 EXPECT_EQ(s.size(), size); 33 } 34 35 TEST(SpanTest, CtorEmpty) { 36 Span<int> s; 37 TestCtor(s, nullptr, 0); 38 } 39 40 TEST(SpanTest, CtorFromPtrAndSize) { 41 std::vector<int> v = {7, 8, 9, 10}; 42 Span<int> s(v.data(), v.size()); 43 TestCtor(s, v.data(), v.size()); 44 } 45 46 TEST(SpanTest, CtorFromVector) { 47 std::vector<int> v = {1, 2}; 48 // Const ctor is implicit. 49 TestConstCtor(v, v.data(), v.size()); 50 // Mutable is explicit. 51 Span<int> s(v); 52 TestCtor(s, v.data(), v.size()); 53 } 54 55 TEST(SpanTest, CtorConstFromArray) { 56 int v[] = {10, 11}; 57 // Array ctor is implicit for const and mutable T. 58 TestConstCtor(v, v, 2); 59 TestCtor(v, v, 2); 60 } 61 62 TEST(SpanTest, MakeSpan) { 63 std::vector<int> v = {100, 200, 300}; 64 TestCtor(MakeSpan(v), v.data(), v.size()); 65 TestCtor(MakeSpan(v.data(), v.size()), v.data(), v.size()); 66 TestConstCtor(MakeSpan(v.data(), v.size()), v.data(), v.size()); 67 TestConstCtor(MakeSpan(v), v.data(), v.size()); 68 } 69 70 TEST(SpanTest, MakeConstSpan) { 71 std::vector<int> v = {100, 200, 300}; 72 TestConstCtor(MakeConstSpan(v), v.data(), v.size()); 73 TestConstCtor(MakeConstSpan(v.data(), v.size()), v.data(), v.size()); 74 // But not: 75 // TestConstCtor(MakeSpan(v), v.data(), v.size()); 76 } 77 78 TEST(SpanTest, Accessor) { 79 std::vector<int> v({42, 23, 5, 101, 80}); 80 Span<int> s(v); 81 for (size_t i = 0; i < s.size(); ++i) { 82 EXPECT_EQ(s[i], v[i]); 83 EXPECT_EQ(s.at(i), v.at(i)); 84 } 85 EXPECT_EQ(s.begin(), v.data()); 86 EXPECT_EQ(s.end(), v.data() + v.size()); 87 } 88 89 } // namespace 90 } // namespace bssl 91
