llvm-project

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