catch2/examples/010-TestCase.cpp
Martin Hořeňovský 151dccbd31
Remove catch.hpp
This was an old "include all" header, that we no longer want to be
usable, to make the include differences in new versions explicit.

We will introduce new "include all" headers later, in the form of
`catch_all.hpp`, `catch_matchers_all.hpp` and so on...
2020-03-29 21:32:13 +02:00

38 lines
1.4 KiB
C++

// 010-TestCase.cpp
// Let Catch provide main():
#include <catch2/catch_default_main.hpp>
// And write tests in the same file:
#include <catch2/catch_test_macros.hpp>
static int Factorial( int number ) {
return number <= 1 ? number : Factorial( number - 1 ) * number; // fail
// return number <= 1 ? 1 : Factorial( number - 1 ) * number; // pass
}
TEST_CASE( "Factorial of 0 is 1 (fail)", "[single-file]" ) {
REQUIRE( Factorial(0) == 1 );
}
TEST_CASE( "Factorials of 1 and higher are computed (pass)", "[single-file]" ) {
REQUIRE( Factorial(1) == 1 );
REQUIRE( Factorial(2) == 2 );
REQUIRE( Factorial(3) == 6 );
REQUIRE( Factorial(10) == 3628800 );
}
// Compile & run:
// - g++ -std=c++11 -Wall -I$(CATCH_SINGLE_INCLUDE) -o 010-TestCase 010-TestCase.cpp && 010-TestCase --success
// - cl -EHsc -I%CATCH_SINGLE_INCLUDE% 010-TestCase.cpp && 010-TestCase --success
// Expected compact output (all assertions):
//
// prompt> 010-TestCase --reporter compact --success
// 010-TestCase.cpp:14: failed: Factorial(0) == 1 for: 0 == 1
// 010-TestCase.cpp:18: passed: Factorial(1) == 1 for: 1 == 1
// 010-TestCase.cpp:19: passed: Factorial(2) == 2 for: 2 == 2
// 010-TestCase.cpp:20: passed: Factorial(3) == 6 for: 6 == 6
// 010-TestCase.cpp:21: passed: Factorial(10) == 3628800 for: 3628800 (0x375f00) == 3628800 (0x375f00)
// Failed 1 test case, failed 1 assertion.