| 1 | //===----------------------------------------------------------------------===// |
| 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 | // UNSUPPORTED: c++03 |
| 10 | // ADDITIONAL_COMPILE_FLAGS: -Wno-unused-function |
| 11 | |
| 12 | #include <cassert> |
| 13 | #include <utility> |
| 14 | |
| 15 | #include "../src/demangle/ItaniumDemangle.h" |
| 16 | |
| 17 | void testPODSmallVector() { |
| 18 | { // {push/pop}_back |
| 19 | itanium_demangle::PODSmallVector<int, 1> PSV; |
| 20 | PSV.push_back(Elem: 0); |
| 21 | PSV.push_back(Elem: 1); |
| 22 | PSV.push_back(Elem: 2); |
| 23 | PSV.push_back(Elem: 3); |
| 24 | for (int i = 0; i < 4; ++i) |
| 25 | assert(PSV[i] == i); |
| 26 | PSV.pop_back(); |
| 27 | for (int i = 0; i < 3; ++i) |
| 28 | assert(PSV[i] == i); |
| 29 | PSV.pop_back(); |
| 30 | PSV.pop_back(); |
| 31 | assert(!PSV.empty() && PSV.size() == 1); |
| 32 | PSV.pop_back(); |
| 33 | assert(PSV.empty() && PSV.size() == 0); |
| 34 | } |
| 35 | |
| 36 | { |
| 37 | itanium_demangle::PODSmallVector<int, 1> PSV1; |
| 38 | PSV1.push_back(Elem: 1); |
| 39 | PSV1.push_back(Elem: 2); |
| 40 | PSV1.push_back(Elem: 3); |
| 41 | |
| 42 | itanium_demangle::PODSmallVector<int, 1> PSV2; |
| 43 | std::swap(a&: PSV1, b&: PSV2); |
| 44 | assert(PSV1.size() == 0); |
| 45 | assert(PSV2.size() == 3); |
| 46 | int i = 1; |
| 47 | for (int x : PSV2) { |
| 48 | assert(x == i); |
| 49 | ++i; |
| 50 | } |
| 51 | assert(i == 4); |
| 52 | std::swap(a&: PSV1, b&: PSV2); |
| 53 | assert(PSV1.size() == 3); |
| 54 | assert(PSV2.size() == 0); |
| 55 | i = 1; |
| 56 | for (int x : PSV1) { |
| 57 | assert(x == i); |
| 58 | ++i; |
| 59 | } |
| 60 | assert(i == 4); |
| 61 | } |
| 62 | |
| 63 | { |
| 64 | itanium_demangle::PODSmallVector<int, 10> PSV1; |
| 65 | itanium_demangle::PODSmallVector<int, 10> PSV2; |
| 66 | PSV1.push_back(Elem: 0); |
| 67 | PSV1.push_back(Elem: 1); |
| 68 | PSV1.push_back(Elem: 2); |
| 69 | assert(PSV1.size() == 3); |
| 70 | assert(PSV2.size() == 0); |
| 71 | std::swap(a&: PSV1, b&: PSV2); |
| 72 | assert(PSV1.size() == 0); |
| 73 | assert(PSV2.size() == 3); |
| 74 | int i = 0; |
| 75 | for (int x : PSV2) { |
| 76 | assert(x == i); |
| 77 | ++i; |
| 78 | } |
| 79 | for (int x : PSV1) { |
| 80 | assert(false); |
| 81 | (void)x; |
| 82 | } |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | int main(int, char**) { |
| 87 | testPODSmallVector(); |
| 88 | return 0; |
| 89 | } |
| 90 | |