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