Echo Writes Code

test_backtrace.cpp

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
#include "crucible/testing.hpp"
#include "crucible/unix.hpp"

#include <algorithm>

namespace crucible::unix::test_backtrace {
  auto inner_function() -> void {
    auto const backtrace { backtrace::snapshot() };
    EXPECT(!backtrace.empty());

    {
      auto const predicate {
        [](backtrace::Frame const &frame) -> bool {
          return frame.get_function() == "crucible::unix::backtrace::snapshot()";
        }
      };

      auto const iterator { std::find_if(backtrace.begin(), backtrace.end(), predicate) };
      EXPECT_NE(iterator, backtrace.end());
    }

    {
      auto const predicate {
        [](backtrace::Frame const &frame) -> bool {
          return frame.get_function() == "crucible::unix::test_backtrace::inner_function()";
        }
      };

      auto const iterator { std::find_if(backtrace.begin(), backtrace.end(), predicate) };
      EXPECT_NE(iterator, backtrace.end());

      auto const &frame { *iterator };

      std::string const expected_format { "crucible::unix::backtrace::Frame { my_function: std::string { \"crucible::unix::test_backtrace::inner_function()\" }, my_details: std::string { \"C++ symbol\" } }" };
      EXPECT_EQ(frame.format(), expected_format);
    }
  }

  SCENARIO(backtrace, snapshot) {
    inner_function();
  }
}