四角形の面積のテスト
(tests/geometry.area_square.test.cpp)

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• Last update: 2026-01-19 13:31:13+09:00
• Problem: https://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=ITP1_1_A

Depends on

• 四角形の面積 (library/geometry/area_square.hpp)
• テンプレート (template/template.hpp)

Code

#define PROBLEM                                                                \
    "https://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=ITP1_1_A"
#include "template/template.hpp"
#include "library/geometry/area_square.hpp"
// 浮動小数点の比較用ヘルパー
bool is_near(double a, double b, double epsilon = 1e-9) {
    return abs(a - b) < epsilon;
}
void test_area_square() {
    // ケース1: 単位正方形 (0,1), (1,1), (1,0), (0,0)
    // 対角線1: (0,1) to (1,0) -> 長さ √2
    // 対角線2: (1,1) to (0,0) -> 長さ √2
    // 面積: (√2 * √2) / 2 = 1.0
    assert(is_near(area_square(0.0, 1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 0.0), 1.0));
    // ケース2: ひし形 (0,2), (1,0), (0,-2), (-1,0)
    // 対角線1: (0,2) to (0,-2) -> 長さ 4
    // 対角線2: (1,0) to (-1,0) -> 長さ 2
    // 面積: (4 * 2) / 2 = 4.0
    assert(is_near(area_square(0, 2, 1, 0, 0, -2, -1, 0), 4.0));
    // ケース3: 1辺が3の正方形 (回転なし)
    // (0,3), (3,3), (3,0), (0,0)
    // 面積: 3 * 3 = 9.0
    assert(is_near(area_square(0, 3, 3, 3, 3, 0, 0, 0), 9.0));
    // ケース4: 面積0 (全ての点が原点)
    assert(is_near(area_square(0, 0, 0, 0, 0, 0, 0, 0), 0.0));
}
/**
 * @brief 四角形の面積のテスト
 */
void solve() {
    print("Hello World");
    test_area_square();
}

Traceback (most recent call last):
  File "/home/runner/.local/lib/python3.12/site-packages/onlinejudge_verify/documentation/build.py", line 71, in _render_source_code_stat
    bundled_code = language.bundle(stat.path, basedir=basedir, options={'include_paths': [basedir]}).decode()
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/runner/.local/lib/python3.12/site-packages/onlinejudge_verify/languages/cplusplus.py", line 187, in bundle
    bundler.update(path)
  File "/home/runner/.local/lib/python3.12/site-packages/onlinejudge_verify/languages/cplusplus_bundle.py", line 401, in update
    self.update(self._resolve(pathlib.Path(included), included_from=path))
  File "/home/runner/.local/lib/python3.12/site-packages/onlinejudge_verify/languages/cplusplus_bundle.py", line 400, in update
    raise BundleErrorAt(path, i + 1, "unable to process #include in #if / #ifdef / #ifndef other than include guards")
onlinejudge_verify.languages.cplusplus_bundle.BundleErrorAt: template/template.hpp: line 7: unable to process #include in #if / #ifdef / #ifndef other than include guards

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