我有以下代码是使用最新(2.4.0)版本的Catch2运行的:
#include "catch.hpp"
#include <iostream>
TEST_CASE("Test") {
int x = 0;
SECTION("A") {
std::cout << "A";
++x;
REQUIRE(x == 1);
}
SECTION("B") {
std::cout << "B";
++x;
REQUIRE(x == 1);
}
std::cout << "X\n";
REQUIRE(x == 1);
}
如果我运行此命令,一切都会按预期进行,我会得到:
AX
BX
=================================================================
All tests passed (4 assertions in 1 test case)
很明显,测试用例运行两次,每个部分运行一次。
如果我更改其中一个节中的断言,例如对REQUIRE(x == 0)
说,一切都按预期进行,Catch2将每个节运行一次,并告诉我第一个失败。但是,如果我在两个部分中将assert更改为REQUIRE(x == 0)
,则结果令人困惑(我将其略微缩短了):
A
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
a.out is a Catch v2.4.0 host application.
Run with -? for options
---------------------------------------------------------------------
Test
A
---------------------------------------------------------------------
test.cpp:10: FAILED:
REQUIRE( x == 0 )
with expansion:
1 == 0
B--------------------------------------------------------------------
Test
B
---------------------------------------------------------------------
test.cpp:15: FAILED:
REQUIRE( x == 0 )
with expansion:
1 == 0
X
---------------------------------------------------------------------
Test
---------------------------------------------------------------------
test.cpp:19: FAILED:
REQUIRE( x == 1 )
with expansion:
0 == 1
=====================================================================
test cases: 1 | 1 failed
assertions: 3 | 3 failed
该测试显然进行了三次,最后一次绕过了这两个部分。这是预期的行为吗?我尝试查看Catch2文档,但找不到任何相关内容。
答案 0 :(得分:0)