//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//

// <algorithm>

// template<RandomAccessIterator Iter>
//   requires LessThanComparable<Iter::value_type>
//   constexpr bool   // constexpr after C++17
//   is_heap_until(Iter first, Iter last);

#include <algorithm>
#include <cassert>

#include "test_macros.h"
#include "test_iterators.h"

#if TEST_STD_VER > 17
TEST_CONSTEXPR bool test_constexpr() {
    int ia[] = {0, 0, 0, 0, 1, 0};
    int ib[] = {0, 0, 0, 1, 1, 1};
    return    (std::is_heap_until(std::begin(ia), std::end(ia)) == ia+4)
           && (std::is_heap_until(std::begin(ib), std::end(ib)) == ib+3);
    }
#endif

void test()
{
    typedef random_access_iterator<int *> RI;
    int i1[] = {0, 0};
    assert(std::is_heap_until(i1, i1) == i1);
    assert(std::is_heap_until(i1, i1+1) == i1+1);
    assert(std::is_heap_until(RI(i1), RI(i1)) == RI(i1));
    assert(std::is_heap_until(RI(i1), RI(i1+1)) == RI(i1+1));

    int i2[] = {0, 1};
    int i3[] = {1, 0};
    assert(std::is_heap_until(i1, i1+2) == i1+2);
    assert(std::is_heap_until(i2, i2+2) == i2+1);
    assert(std::is_heap_until(i3, i3+2) == i3+2);
    int i4[] = {0, 0, 0};
    int i5[] = {0, 0, 1};
    int i6[] = {0, 1, 0};
    int i7[] = {0, 1, 1};
    int i8[] = {1, 0, 0};
    int i9[] = {1, 0, 1};
    int i10[] = {1, 1, 0};
    assert(std::is_heap_until(i4, i4+3) == i4+3);
    assert(std::is_heap_until(i5, i5+3) == i5+2);
    assert(std::is_heap_until(i6, i6+3) == i6+1);
    assert(std::is_heap_until(i7, i7+3) == i7+1);
    assert(std::is_heap_until(i8, i8+3) == i8+3);
    assert(std::is_heap_until(i9, i9+3) == i9+3);
    assert(std::is_heap_until(i10, i10+3) == i10+3);
    int i11[] = {0, 0, 0, 0};
    int i12[] = {0, 0, 0, 1};
    int i13[] = {0, 0, 1, 0};
    int i14[] = {0, 0, 1, 1};
    int i15[] = {0, 1, 0, 0};
    int i16[] = {0, 1, 0, 1};
    int i17[] = {0, 1, 1, 0};
    int i18[] = {0, 1, 1, 1};
    int i19[] = {1, 0, 0, 0};
    int i20[] = {1, 0, 0, 1};
    int i21[] = {1, 0, 1, 0};
    int i22[] = {1, 0, 1, 1};
    int i23[] = {1, 1, 0, 0};
    int i24[] = {1, 1, 0, 1};
    int i25[] = {1, 1, 1, 0};
    assert(std::is_heap_until(i11, i11+4) == i11+4);
    assert(std::is_heap_until(i12, i12+4) == i12+3);
    assert(std::is_heap_until(i13, i13+4) == i13+2);
    assert(std::is_heap_until(i14, i14+4) == i14+2);
    assert(std::is_heap_until(i15, i15+4) == i15+1);
    assert(std::is_heap_until(i16, i16+4) == i16+1);
    assert(std::is_heap_until(i17, i17+4) == i17+1);
    assert(std::is_heap_until(i18, i18+4) == i18+1);
    assert(std::is_heap_until(i19, i19+4) == i19+4);
    assert(std::is_heap_until(i20, i20+4) == i20+3);
    assert(std::is_heap_until(i21, i21+4) == i21+4);
    assert(std::is_heap_until(i22, i22+4) == i22+3);
    assert(std::is_heap_until(i23, i23+4) == i23+4);
    assert(std::is_heap_until(i24, i24+4) == i24+4);
    assert(std::is_heap_until(i25, i25+4) == i25+4);
    int i26[] = {0, 0, 0, 0, 0};
    int i27[] = {0, 0, 0, 0, 1};
    int i28[] = {0, 0, 0, 1, 0};
    int i29[] = {0, 0, 0, 1, 1};
    int i30[] = {0, 0, 1, 0, 0};
    int i31[] = {0, 0, 1, 0, 1};
    int i32[] = {0, 0, 1, 1, 0};
    int i33[] = {0, 0, 1, 1, 1};
    int i34[] = {0, 1, 0, 0, 0};
    int i35[] = {0, 1, 0, 0, 1};
    int i36[] = {0, 1, 0, 1, 0};
    int i37[] = {0, 1, 0, 1, 1};
    int i38[] = {0, 1, 1, 0, 0};
    int i39[] = {0, 1, 1, 0, 1};
    int i40[] = {0, 1, 1, 1, 0};
    int i41[] = {0, 1, 1, 1, 1};
    int i42[] = {1, 0, 0, 0, 0};
    int i43[] = {1, 0, 0, 0, 1};
    int i44[] = {1, 0, 0, 1, 0};
    int i45[] = {1, 0, 0, 1, 1};
    int i46[] = {1, 0, 1, 0, 0};
    int i47[] = {1, 0, 1, 0, 1};
    int i48[] = {1, 0, 1, 1, 0};
    int i49[] = {1, 0, 1, 1, 1};
    int i50[] = {1, 1, 0, 0, 0};
    int i51[] = {1, 1, 0, 0, 1};
    int i52[] = {1, 1, 0, 1, 0};
    int i53[] = {1, 1, 0, 1, 1};
    int i54[] = {1, 1, 1, 0, 0};
    int i55[] = {1, 1, 1, 0, 1};
    int i56[] = {1, 1, 1, 1, 0};
    assert(std::is_heap_until(i26, i26+5) == i26+5);
    assert(std::is_heap_until(i27, i27+5) == i27+4);
    assert(std::is_heap_until(i28, i28+5) == i28+3);
    assert(std::is_heap_until(i29, i29+5) == i29+3);
    assert(std::is_heap_until(i30, i30+5) == i30+2);
    assert(std::is_heap_until(i31, i31+5) == i31+2);
    assert(std::is_heap_until(i32, i32+5) == i32+2);
    assert(std::is_heap_until(i33, i33+5) == i33+2);
    assert(std::is_heap_until(i34, i34+5) == i34+1);
    assert(std::is_heap_until(i35, i35+5) == i35+1);
    assert(std::is_heap_until(i36, i36+5) == i36+1);
    assert(std::is_heap_until(i37, i37+5) == i37+1);
    assert(std::is_heap_until(i38, i38+5) == i38+1);
    assert(std::is_heap_until(i39, i39+5) == i39+1);
    assert(std::is_heap_until(i40, i40+5) == i40+1);
    assert(std::is_heap_until(i41, i41+5) == i41+1);
    assert(std::is_heap_until(i42, i42+5) == i42+5);
    assert(std::is_heap_until(i43, i43+5) == i43+4);
    assert(std::is_heap_until(i44, i44+5) == i44+3);
    assert(std::is_heap_until(i45, i45+5) == i45+3);
    assert(std::is_heap_until(i46, i46+5) == i46+5);
    assert(std::is_heap_until(i47, i47+5) == i47+4);
    assert(std::is_heap_until(i48, i48+5) == i48+3);
    assert(std::is_heap_until(i49, i49+5) == i49+3);
    assert(std::is_heap_until(i50, i50+5) == i50+5);
    assert(std::is_heap_until(i51, i51+5) == i51+5);
    assert(std::is_heap_until(i52, i52+5) == i52+5);
    assert(std::is_heap_until(i53, i53+5) == i53+5);
    assert(std::is_heap_until(i54, i54+5) == i54+5);
    assert(std::is_heap_until(i55, i55+5) == i55+5);
    assert(std::is_heap_until(i56, i56+5) == i56+5);
    int i57[] = {0, 0, 0, 0, 0, 0};
    int i58[] = {0, 0, 0, 0, 0, 1};
    int i59[] = {0, 0, 0, 0, 1, 0};
    int i60[] = {0, 0, 0, 0, 1, 1};
    int i61[] = {0, 0, 0, 1, 0, 0};
    int i62[] = {0, 0, 0, 1, 0, 1};
    int i63[] = {0, 0, 0, 1, 1, 0};
    int i64[] = {0, 0, 0, 1, 1, 1};
    int i65[] = {0, 0, 1, 0, 0, 0};
    int i66[] = {0, 0, 1, 0, 0, 1};
    int i67[] = {0, 0, 1, 0, 1, 0};
    int i68[] = {0, 0, 1, 0, 1, 1};
    int i69[] = {0, 0, 1, 1, 0, 0};
    int i70[] = {0, 0, 1, 1, 0, 1};
    int i71[] = {0, 0, 1, 1, 1, 0};
    int i72[] = {0, 0, 1, 1, 1, 1};
    int i73[] = {0, 1, 0, 0, 0, 0};
    int i74[] = {0, 1, 0, 0, 0, 1};
    int i75[] = {0, 1, 0, 0, 1, 0};
    int i76[] = {0, 1, 0, 0, 1, 1};
    int i77[] = {0, 1, 0, 1, 0, 0};
    int i78[] = {0, 1, 0, 1, 0, 1};
    int i79[] = {0, 1, 0, 1, 1, 0};
    int i80[] = {0, 1, 0, 1, 1, 1};
    int i81[] = {0, 1, 1, 0, 0, 0};
    int i82[] = {0, 1, 1, 0, 0, 1};
    int i83[] = {0, 1, 1, 0, 1, 0};
    int i84[] = {0, 1, 1, 0, 1, 1};
    int i85[] = {0, 1, 1, 1, 0, 0};
    int i86[] = {0, 1, 1, 1, 0, 1};
    int i87[] = {0, 1, 1, 1, 1, 0};
    int i88[] = {0, 1, 1, 1, 1, 1};
    int i89[] = {1, 0, 0, 0, 0, 0};
    int i90[] = {1, 0, 0, 0, 0, 1};
    int i91[] = {1, 0, 0, 0, 1, 0};
    int i92[] = {1, 0, 0, 0, 1, 1};
    int i93[] = {1, 0, 0, 1, 0, 0};
    int i94[] = {1, 0, 0, 1, 0, 1};
    int i95[] = {1, 0, 0, 1, 1, 0};
    int i96[] = {1, 0, 0, 1, 1, 1};
    int i97[] = {1, 0, 1, 0, 0, 0};
    int i98[] = {1, 0, 1, 0, 0, 1};
    int i99[] = {1, 0, 1, 0, 1, 0};
    int i100[] = {1, 0, 1, 0, 1, 1};
    int i101[] = {1, 0, 1, 1, 0, 0};
    int i102[] = {1, 0, 1, 1, 0, 1};
    int i103[] = {1, 0, 1, 1, 1, 0};
    int i104[] = {1, 0, 1, 1, 1, 1};
    int i105[] = {1, 1, 0, 0, 0, 0};
    int i106[] = {1, 1, 0, 0, 0, 1};
    int i107[] = {1, 1, 0, 0, 1, 0};
    int i108[] = {1, 1, 0, 0, 1, 1};
    int i109[] = {1, 1, 0, 1, 0, 0};
    int i110[] = {1, 1, 0, 1, 0, 1};
    int i111[] = {1, 1, 0, 1, 1, 0};
    int i112[] = {1, 1, 0, 1, 1, 1};
    int i113[] = {1, 1, 1, 0, 0, 0};
    int i114[] = {1, 1, 1, 0, 0, 1};
    int i115[] = {1, 1, 1, 0, 1, 0};
    int i116[] = {1, 1, 1, 0, 1, 1};
    int i117[] = {1, 1, 1, 1, 0, 0};
    int i118[] = {1, 1, 1, 1, 0, 1};
    int i119[] = {1, 1, 1, 1, 1, 0};
    assert(std::is_heap_until(i57, i57+6) == i57+6);
    assert(std::is_heap_until(i58, i58+6) == i58+5);
    assert(std::is_heap_until(i59, i59+6) == i59+4);
    assert(std::is_heap_until(i60, i60+6) == i60+4);
    assert(std::is_heap_until(i61, i61+6) == i61+3);
    assert(std::is_heap_until(i62, i62+6) == i62+3);
    assert(std::is_heap_until(i63, i63+6) == i63+3);
    assert(std::is_heap_until(i64, i64+6) == i64+3);
    assert(std::is_heap_until(i65, i65+6) == i65+2);
    assert(std::is_heap_until(i66, i66+6) == i66+2);
    assert(std::is_heap_until(i67, i67+6) == i67+2);
    assert(std::is_heap_until(i68, i68+6) == i68+2);
    assert(std::is_heap_until(i69, i69+6) == i69+2);
    assert(std::is_heap_until(i70, i70+6) == i70+2);
    assert(std::is_heap_until(i71, i71+6) == i71+2);
    assert(std::is_heap_until(i72, i72+6) == i72+2);
    assert(std::is_heap_until(i73, i73+6) == i73+1);
    assert(std::is_heap_until(i74, i74+6) == i74+1);
    assert(std::is_heap_until(i75, i75+6) == i75+1);
    assert(std::is_heap_until(i76, i76+6) == i76+1);
    assert(std::is_heap_until(i77, i77+6) == i77+1);
    assert(std::is_heap_until(i78, i78+6) == i78+1);
    assert(std::is_heap_until(i79, i79+6) == i79+1);
    assert(std::is_heap_until(i80, i80+6) == i80+1);
    assert(std::is_heap_until(i81, i81+6) == i81+1);
    assert(std::is_heap_until(i82, i82+6) == i82+1);
    assert(std::is_heap_until(i83, i83+6) == i83+1);
    assert(std::is_heap_until(i84, i84+6) == i84+1);
    assert(std::is_heap_until(i85, i85+6) == i85+1);
    assert(std::is_heap_until(i86, i86+6) == i86+1);
    assert(std::is_heap_until(i87, i87+6) == i87+1);
    assert(std::is_heap_until(i88, i88+6) == i88+1);
    assert(std::is_heap_until(i89, i89+6) == i89+6);
    assert(std::is_heap_until(i90, i90+6) == i90+5);
    assert(std::is_heap_until(i91, i91+6) == i91+4);
    assert(std::is_heap_until(i92, i92+6) == i92+4);
    assert(std::is_heap_until(i93, i93+6) == i93+3);
    assert(std::is_heap_until(i94, i94+6) == i94+3);
    assert(std::is_heap_until(i95, i95+6) == i95+3);
    assert(std::is_heap_until(i96, i96+6) == i96+3);
    assert(std::is_heap_until(i97, i97+6) == i97+6);
    assert(std::is_heap_until(i98, i98+6) == i98+6);
    assert(std::is_heap_until(i99, i99+6) == i99+4);
    assert(std::is_heap_until(i100, i100+6) == i100+4);
    assert(std::is_heap_until(i101, i101+6) == i101+3);
    assert(std::is_heap_until(i102, i102+6) == i102+3);
    assert(std::is_heap_until(i103, i103+6) == i103+3);
    assert(std::is_heap_until(i104, i104+6) == i104+3);
    assert(std::is_heap_until(i105, i105+6) == i105+6);
    assert(std::is_heap_until(i106, i106+6) == i106+5);
    assert(std::is_heap_until(i107, i107+6) == i107+6);
    assert(std::is_heap_until(i108, i108+6) == i108+5);
    assert(std::is_heap_until(i109, i109+6) == i109+6);
    assert(std::is_heap_until(i110, i110+6) == i110+5);
    assert(std::is_heap_until(i111, i111+6) == i111+6);
    assert(std::is_heap_until(i112, i112+6) == i112+5);
    assert(std::is_heap_until(i113, i113+6) == i113+6);
    assert(std::is_heap_until(i114, i114+6) == i114+6);
    assert(std::is_heap_until(i115, i115+6) == i115+6);
    assert(std::is_heap_until(i116, i116+6) == i116+6);
    assert(std::is_heap_until(i117, i117+6) == i117+6);
    assert(std::is_heap_until(i118, i118+6) == i118+6);
    assert(std::is_heap_until(i119, i119+6) == i119+6);
    int i120[] = {0, 0, 0, 0, 0, 0, 0};
    int i121[] = {0, 0, 0, 0, 0, 0, 1};
    int i122[] = {0, 0, 0, 0, 0, 1, 0};
    int i123[] = {0, 0, 0, 0, 0, 1, 1};
    int i124[] = {0, 0, 0, 0, 1, 0, 0};
    int i125[] = {0, 0, 0, 0, 1, 0, 1};
    int i126[] = {0, 0, 0, 0, 1, 1, 0};
    int i127[] = {0, 0, 0, 0, 1, 1, 1};
    int i128[] = {0, 0, 0, 1, 0, 0, 0};
    int i129[] = {0, 0, 0, 1, 0, 0, 1};
    int i130[] = {0, 0, 0, 1, 0, 1, 0};
    int i131[] = {0, 0, 0, 1, 0, 1, 1};
    int i132[] = {0, 0, 0, 1, 1, 0, 0};
    int i133[] = {0, 0, 0, 1, 1, 0, 1};
    int i134[] = {0, 0, 0, 1, 1, 1, 0};
    int i135[] = {0, 0, 0, 1, 1, 1, 1};
    int i136[] = {0, 0, 1, 0, 0, 0, 0};
    int i137[] = {0, 0, 1, 0, 0, 0, 1};
    int i138[] = {0, 0, 1, 0, 0, 1, 0};
    int i139[] = {0, 0, 1, 0, 0, 1, 1};
    int i140[] = {0, 0, 1, 0, 1, 0, 0};
    int i141[] = {0, 0, 1, 0, 1, 0, 1};
    int i142[] = {0, 0, 1, 0, 1, 1, 0};
    int i143[] = {0, 0, 1, 0, 1, 1, 1};
    int i144[] = {0, 0, 1, 1, 0, 0, 0};
    int i145[] = {0, 0, 1, 1, 0, 0, 1};
    int i146[] = {0, 0, 1, 1, 0, 1, 0};
    int i147[] = {0, 0, 1, 1, 0, 1, 1};
    int i148[] = {0, 0, 1, 1, 1, 0, 0};
    int i149[] = {0, 0, 1, 1, 1, 0, 1};
    int i150[] = {0, 0, 1, 1, 1, 1, 0};
    int i151[] = {0, 0, 1, 1, 1, 1, 1};
    int i152[] = {0, 1, 0, 0, 0, 0, 0};
    int i153[] = {0, 1, 0, 0, 0, 0, 1};
    int i154[] = {0, 1, 0, 0, 0, 1, 0};
    int i155[] = {0, 1, 0, 0, 0, 1, 1};
    int i156[] = {0, 1, 0, 0, 1, 0, 0};
    int i157[] = {0, 1, 0, 0, 1, 0, 1};
    int i158[] = {0, 1, 0, 0, 1, 1, 0};
    int i159[] = {0, 1, 0, 0, 1, 1, 1};
    int i160[] = {0, 1, 0, 1, 0, 0, 0};
    int i161[] = {0, 1, 0, 1, 0, 0, 1};
    int i162[] = {0, 1, 0, 1, 0, 1, 0};
    int i163[] = {0, 1, 0, 1, 0, 1, 1};
    int i164[] = {0, 1, 0, 1, 1, 0, 0};
    int i165[] = {0, 1, 0, 1, 1, 0, 1};
    int i166[] = {0, 1, 0, 1, 1, 1, 0};
    int i167[] = {0, 1, 0, 1, 1, 1, 1};
    int i168[] = {0, 1, 1, 0, 0, 0, 0};
    int i169[] = {0, 1, 1, 0, 0, 0, 1};
    int i170[] = {0, 1, 1, 0, 0, 1, 0};
    int i171[] = {0, 1, 1, 0, 0, 1, 1};
    int i172[] = {0, 1, 1, 0, 1, 0, 0};
    int i173[] = {0, 1, 1, 0, 1, 0, 1};
    int i174[] = {0, 1, 1, 0, 1, 1, 0};
    int i175[] = {0, 1, 1, 0, 1, 1, 1};
    int i176[] = {0, 1, 1, 1, 0, 0, 0};
    int i177[] = {0, 1, 1, 1, 0, 0, 1};
    int i178[] = {0, 1, 1, 1, 0, 1, 0};
    int i179[] = {0, 1, 1, 1, 0, 1, 1};
    int i180[] = {0, 1, 1, 1, 1, 0, 0};
    int i181[] = {0, 1, 1, 1, 1, 0, 1};
    int i182[] = {0, 1, 1, 1, 1, 1, 0};
    int i183[] = {0, 1, 1, 1, 1, 1, 1};
    int i184[] = {1, 0, 0, 0, 0, 0, 0};
    int i185[] = {1, 0, 0, 0, 0, 0, 1};
    int i186[] = {1, 0, 0, 0, 0, 1, 0};
    int i187[] = {1, 0, 0, 0, 0, 1, 1};
    int i188[] = {1, 0, 0, 0, 1, 0, 0};
    int i189[] = {1, 0, 0, 0, 1, 0, 1};
    int i190[] = {1, 0, 0, 0, 1, 1, 0};
    int i191[] = {1, 0, 0, 0, 1, 1, 1};
    int i192[] = {1, 0, 0, 1, 0, 0, 0};
    int i193[] = {1, 0, 0, 1, 0, 0, 1};
    int i194[] = {1, 0, 0, 1, 0, 1, 0};
    int i195[] = {1, 0, 0, 1, 0, 1, 1};
    int i196[] = {1, 0, 0, 1, 1, 0, 0};
    int i197[] = {1, 0, 0, 1, 1, 0, 1};
    int i198[] = {1, 0, 0, 1, 1, 1, 0};
    int i199[] = {1, 0, 0, 1, 1, 1, 1};
    int i200[] = {1, 0, 1, 0, 0, 0, 0};
    int i201[] = {1, 0, 1, 0, 0, 0, 1};
    int i202[] = {1, 0, 1, 0, 0, 1, 0};
    int i203[] = {1, 0, 1, 0, 0, 1, 1};
    int i204[] = {1, 0, 1, 0, 1, 0, 0};
    int i205[] = {1, 0, 1, 0, 1, 0, 1};
    int i206[] = {1, 0, 1, 0, 1, 1, 0};
    int i207[] = {1, 0, 1, 0, 1, 1, 1};
    int i208[] = {1, 0, 1, 1, 0, 0, 0};
    int i209[] = {1, 0, 1, 1, 0, 0, 1};
    int i210[] = {1, 0, 1, 1, 0, 1, 0};
    int i211[] = {1, 0, 1, 1, 0, 1, 1};
    int i212[] = {1, 0, 1, 1, 1, 0, 0};
    int i213[] = {1, 0, 1, 1, 1, 0, 1};
    int i214[] = {1, 0, 1, 1, 1, 1, 0};
    int i215[] = {1, 0, 1, 1, 1, 1, 1};
    int i216[] = {1, 1, 0, 0, 0, 0, 0};
    int i217[] = {1, 1, 0, 0, 0, 0, 1};
    int i218[] = {1, 1, 0, 0, 0, 1, 0};
    int i219[] = {1, 1, 0, 0, 0, 1, 1};
    int i220[] = {1, 1, 0, 0, 1, 0, 0};
    int i221[] = {1, 1, 0, 0, 1, 0, 1};
    int i222[] = {1, 1, 0, 0, 1, 1, 0};
    int i223[] = {1, 1, 0, 0, 1, 1, 1};
    int i224[] = {1, 1, 0, 1, 0, 0, 0};
    int i225[] = {1, 1, 0, 1, 0, 0, 1};
    int i226[] = {1, 1, 0, 1, 0, 1, 0};
    int i227[] = {1, 1, 0, 1, 0, 1, 1};
    int i228[] = {1, 1, 0, 1, 1, 0, 0};
    int i229[] = {1, 1, 0, 1, 1, 0, 1};
    int i230[] = {1, 1, 0, 1, 1, 1, 0};
    int i231[] = {1, 1, 0, 1, 1, 1, 1};
    int i232[] = {1, 1, 1, 0, 0, 0, 0};
    int i233[] = {1, 1, 1, 0, 0, 0, 1};
    int i234[] = {1, 1, 1, 0, 0, 1, 0};
    int i235[] = {1, 1, 1, 0, 0, 1, 1};
    int i236[] = {1, 1, 1, 0, 1, 0, 0};
    int i237[] = {1, 1, 1, 0, 1, 0, 1};
    int i238[] = {1, 1, 1, 0, 1, 1, 0};
    int i239[] = {1, 1, 1, 0, 1, 1, 1};
    int i240[] = {1, 1, 1, 1, 0, 0, 0};
    int i241[] = {1, 1, 1, 1, 0, 0, 1};
    int i242[] = {1, 1, 1, 1, 0, 1, 0};
    int i243[] = {1, 1, 1, 1, 0, 1, 1};
    int i244[] = {1, 1, 1, 1, 1, 0, 0};
    int i245[] = {1, 1, 1, 1, 1, 0, 1};
    int i246[] = {1, 1, 1, 1, 1, 1, 0};
    assert(std::is_heap_until(i120, i120+7) == i120+7);
    assert(std::is_heap_until(i121, i121+7) == i121+6);
    assert(std::is_heap_until(i122, i122+7) == i122+5);
    assert(std::is_heap_until(i123, i123+7) == i123+5);
    assert(std::is_heap_until(i124, i124+7) == i124+4);
    assert(std::is_heap_until(i125, i125+7) == i125+4);
    assert(std::is_heap_until(i126, i126+7) == i126+4);
    assert(std::is_heap_until(i127, i127+7) == i127+4);
    assert(std::is_heap_until(i128, i128+7) == i128+3);
    assert(std::is_heap_until(i129, i129+7) == i129+3);
    assert(std::is_heap_until(i130, i130+7) == i130+3);
    assert(std::is_heap_until(i131, i131+7) == i131+3);
    assert(std::is_heap_until(i132, i132+7) == i132+3);
    assert(std::is_heap_until(i133, i133+7) == i133+3);
    assert(std::is_heap_until(i134, i134+7) == i134+3);
    assert(std::is_heap_until(i135, i135+7) == i135+3);
    assert(std::is_heap_until(i136, i136+7) == i136+2);
    assert(std::is_heap_until(i137, i137+7) == i137+2);
    assert(std::is_heap_until(i138, i138+7) == i138+2);
    assert(std::is_heap_until(i139, i139+7) == i139+2);
    assert(std::is_heap_until(i140, i140+7) == i140+2);
    assert(std::is_heap_until(i141, i141+7) == i141+2);
    assert(std::is_heap_until(i142, i142+7) == i142+2);
    assert(std::is_heap_until(i143, i143+7) == i143+2);
    assert(std::is_heap_until(i144, i144+7) == i144+2);
    assert(std::is_heap_until(i145, i145+7) == i145+2);
    assert(std::is_heap_until(i146, i146+7) == i146+2);
    assert(std::is_heap_until(i147, i147+7) == i147+2);
    assert(std::is_heap_until(i148, i148+7) == i148+2);
    assert(std::is_heap_until(i149, i149+7) == i149+2);
    assert(std::is_heap_until(i150, i150+7) == i150+2);
    assert(std::is_heap_until(i151, i151+7) == i151+2);
    assert(std::is_heap_until(i152, i152+7) == i152+1);
    assert(std::is_heap_until(i153, i153+7) == i153+1);
    assert(std::is_heap_until(i154, i154+7) == i154+1);
    assert(std::is_heap_until(i155, i155+7) == i155+1);
    assert(std::is_heap_until(i156, i156+7) == i156+1);
    assert(std::is_heap_until(i157, i157+7) == i157+1);
    assert(std::is_heap_until(i158, i158+7) == i158+1);
    assert(std::is_heap_until(i159, i159+7) == i159+1);
    assert(std::is_heap_until(i160, i160+7) == i160+1);
    assert(std::is_heap_until(i161, i161+7) == i161+1);
    assert(std::is_heap_until(i162, i162+7) == i162+1);
    assert(std::is_heap_until(i163, i163+7) == i163+1);
    assert(std::is_heap_until(i164, i164+7) == i164+1);
    assert(std::is_heap_until(i165, i165+7) == i165+1);
    assert(std::is_heap_until(i166, i166+7) == i166+1);
    assert(std::is_heap_until(i167, i167+7) == i167+1);
    assert(std::is_heap_until(i168, i168+7) == i168+1);
    assert(std::is_heap_until(i169, i169+7) == i169+1);
    assert(std::is_heap_until(i170, i170+7) == i170+1);
    assert(std::is_heap_until(i171, i171+7) == i171+1);
    assert(std::is_heap_until(i172, i172+7) == i172+1);
    assert(std::is_heap_until(i173, i173+7) == i173+1);
    assert(std::is_heap_until(i174, i174+7) == i174+1);
    assert(std::is_heap_until(i175, i175+7) == i175+1);
    assert(std::is_heap_until(i176, i176+7) == i176+1);
    assert(std::is_heap_until(i177, i177+7) == i177+1);
    assert(std::is_heap_until(i178, i178+7) == i178+1);
    assert(std::is_heap_until(i179, i179+7) == i179+1);
    assert(std::is_heap_until(i180, i180+7) == i180+1);
    assert(std::is_heap_until(i181, i181+7) == i181+1);
    assert(std::is_heap_until(i182, i182+7) == i182+1);
    assert(std::is_heap_until(i183, i183+7) == i183+1);
    assert(std::is_heap_until(i184, i184+7) == i184+7);
    assert(std::is_heap_until(i185, i185+7) == i185+6);
    assert(std::is_heap_until(i186, i186+7) == i186+5);
    assert(std::is_heap_until(i187, i187+7) == i187+5);
    assert(std::is_heap_until(i188, i188+7) == i188+4);
    assert(std::is_heap_until(i189, i189+7) == i189+4);
    assert(std::is_heap_until(i190, i190+7) == i190+4);
    assert(std::is_heap_until(i191, i191+7) == i191+4);
    assert(std::is_heap_until(i192, i192+7) == i192+3);
    assert(std::is_heap_until(i193, i193+7) == i193+3);
    assert(std::is_heap_until(i194, i194+7) == i194+3);
    assert(std::is_heap_until(i195, i195+7) == i195+3);
    assert(std::is_heap_until(i196, i196+7) == i196+3);
    assert(std::is_heap_until(i197, i197+7) == i197+3);
    assert(std::is_heap_until(i198, i198+7) == i198+3);
    assert(std::is_heap_until(i199, i199+7) == i199+3);
    assert(std::is_heap_until(i200, i200+7) == i200+7);
    assert(std::is_heap_until(i201, i201+7) == i201+7);
    assert(std::is_heap_until(i202, i202+7) == i202+7);
    assert(std::is_heap_until(i203, i203+7) == i203+7);
    assert(std::is_heap_until(i204, i204+7) == i204+4);
    assert(std::is_heap_until(i205, i205+7) == i205+4);
    assert(std::is_heap_until(i206, i206+7) == i206+4);
    assert(std::is_heap_until(i207, i207+7) == i207+4);
    assert(std::is_heap_until(i208, i208+7) == i208+3);
    assert(std::is_heap_until(i209, i209+7) == i209+3);
    assert(std::is_heap_until(i210, i210+7) == i210+3);
    assert(std::is_heap_until(i211, i211+7) == i211+3);
    assert(std::is_heap_until(i212, i212+7) == i212+3);
    assert(std::is_heap_until(i213, i213+7) == i213+3);
    assert(std::is_heap_until(i214, i214+7) == i214+3);
    assert(std::is_heap_until(i215, i215+7) == i215+3);
    assert(std::is_heap_until(i216, i216+7) == i216+7);
    assert(std::is_heap_until(i217, i217+7) == i217+6);
    assert(std::is_heap_until(i218, i218+7) == i218+5);
    assert(std::is_heap_until(i219, i219+7) == i219+5);
    assert(std::is_heap_until(i220, i220+7) == i220+7);
    assert(std::is_heap_until(i221, i221+7) == i221+6);
    assert(std::is_heap_until(i222, i222+7) == i222+5);
    assert(std::is_heap_until(i223, i223+7) == i223+5);
    assert(std::is_heap_until(i224, i224+7) == i224+7);
    assert(std::is_heap_until(i225, i225+7) == i225+6);
    assert(std::is_heap_until(i226, i226+7) == i226+5);
    assert(std::is_heap_until(i227, i227+7) == i227+5);
    assert(std::is_heap_until(i228, i228+7) == i228+7);
    assert(std::is_heap_until(i229, i229+7) == i229+6);
    assert(std::is_heap_until(i230, i230+7) == i230+5);
    assert(std::is_heap_until(i231, i231+7) == i231+5);
    assert(std::is_heap_until(i232, i232+7) == i232+7);
    assert(std::is_heap_until(i233, i233+7) == i233+7);
    assert(std::is_heap_until(i234, i234+7) == i234+7);
    assert(std::is_heap_until(i235, i235+7) == i235+7);
    assert(std::is_heap_until(i236, i236+7) == i236+7);
    assert(std::is_heap_until(i237, i237+7) == i237+7);
    assert(std::is_heap_until(i238, i238+7) == i238+7);
    assert(std::is_heap_until(i239, i239+7) == i239+7);
    assert(std::is_heap_until(i240, i240+7) == i240+7);
    assert(std::is_heap_until(i241, i241+7) == i241+7);
    assert(std::is_heap_until(i242, i242+7) == i242+7);
    assert(std::is_heap_until(i243, i243+7) == i243+7);
    assert(std::is_heap_until(i244, i244+7) == i244+7);
    assert(std::is_heap_until(i245, i245+7) == i245+7);
    assert(std::is_heap_until(i246, i246+7) == i246+7);
}

int main(int, char**)
{
    test();

#if TEST_STD_VER > 17
    static_assert(test_constexpr());
#endif

  return 0;
}