cosmopolitan/third_party/libcxxabi/test/unittest_demangle.pass.cc
Trung Nguyen b0566348b2
third_party/libcxxabi: Add test suite (#1076)
Added the `libcxxabi` test suite as found in LLVM 17.0.6.

Some tests that do not apply to the current configuration of
comsopolitan are not added. These include:
- `backtrace_test`, `forced_unwind*`: Use unwind function unsupported in
SjLj mode.
- `noexception*`: Designed to test `libcxxabi` in no exceptions mode.

Some tests are added but not enabled due to bugs specific to GCC or
cosmopolitan. These are clearly indicated in the `BUILD.mk` file.
2024-01-08 10:50:06 -08:00

89 lines
2.1 KiB
C++

//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03
// ADDITIONAL_COMPILE_FLAGS: -Wno-unused-function
#include "third_party/libcxx/cassert"
#include "third_party/libcxx/utility"
#include "third_party/libcxxabi/demangle/ItaniumDemangle.h"
void testPODSmallVector() {
{ // {push/pop}_back
itanium_demangle::PODSmallVector<int, 1> PSV;
PSV.push_back(0);
PSV.push_back(1);
PSV.push_back(2);
PSV.push_back(3);
for (int i = 0; i < 4; ++i)
assert(PSV[i] == i);
PSV.pop_back();
for (int i = 0; i < 3; ++i)
assert(PSV[i] == i);
PSV.pop_back();
PSV.pop_back();
assert(!PSV.empty() && PSV.size() == 1);
PSV.pop_back();
assert(PSV.empty() && PSV.size() == 0);
}
{
itanium_demangle::PODSmallVector<int, 1> PSV1;
PSV1.push_back(1);
PSV1.push_back(2);
PSV1.push_back(3);
itanium_demangle::PODSmallVector<int, 1> PSV2;
std::swap(PSV1, PSV2);
assert(PSV1.size() == 0);
assert(PSV2.size() == 3);
int i = 1;
for (int x : PSV2) {
assert(x == i);
++i;
}
assert(i == 4);
std::swap(PSV1, PSV2);
assert(PSV1.size() == 3);
assert(PSV2.size() == 0);
i = 1;
for (int x : PSV1) {
assert(x == i);
++i;
}
assert(i == 4);
}
{
itanium_demangle::PODSmallVector<int, 10> PSV1;
itanium_demangle::PODSmallVector<int, 10> PSV2;
PSV1.push_back(0);
PSV1.push_back(1);
PSV1.push_back(2);
assert(PSV1.size() == 3);
assert(PSV2.size() == 0);
std::swap(PSV1, PSV2);
assert(PSV1.size() == 0);
assert(PSV2.size() == 3);
int i = 0;
for (int x : PSV2) {
assert(x == i);
++i;
}
for (int x : PSV1) {
assert(false);
(void)x;
}
}
}
int main(int, char**) {
testPODSmallVector();
return 0;
}