// 120-Bdd-ScenarioGivenWhenThen.cpp // main() provided by linkage with Catch2WithMain #include SCENARIO( "vectors can be sized and resized", "[vector]" ) { GIVEN( "A vector with some items" ) { std::vector v( 5 ); REQUIRE( v.size() == 5 ); REQUIRE( v.capacity() >= 5 ); WHEN( "the size is increased" ) { v.resize( 10 ); THEN( "the size and capacity change" ) { REQUIRE( v.size() == 10 ); REQUIRE( v.capacity() >= 10 ); } } WHEN( "the size is reduced" ) { v.resize( 0 ); THEN( "the size changes but not capacity" ) { REQUIRE( v.size() == 0 ); REQUIRE( v.capacity() >= 5 ); } } WHEN( "more capacity is reserved" ) { v.reserve( 10 ); THEN( "the capacity changes but not the size" ) { REQUIRE( v.size() == 5 ); REQUIRE( v.capacity() >= 10 ); } } WHEN( "less capacity is reserved" ) { v.reserve( 0 ); THEN( "neither size nor capacity are changed" ) { REQUIRE( v.size() == 5 ); REQUIRE( v.capacity() >= 5 ); } } } } // Compile & run: // - g++ -std=c++14 -Wall -I$(CATCH_SINGLE_INCLUDE) -o 120-Bdd-ScenarioGivenWhenThen 120-Bdd-ScenarioGivenWhenThen.cpp && 120-Bdd-ScenarioGivenWhenThen --success // - cl -EHsc -I%CATCH_SINGLE_INCLUDE% 120-Bdd-ScenarioGivenWhenThen.cpp && 120-Bdd-ScenarioGivenWhenThen --success // Expected compact output (all assertions): // // prompt> 120-Bdd-ScenarioGivenWhenThen.exe --reporter compact --success // 120-Bdd-ScenarioGivenWhenThen.cpp:12: passed: v.size() == 5 for: 5 == 5 // 120-Bdd-ScenarioGivenWhenThen.cpp:13: passed: v.capacity() >= 5 for: 5 >= 5 // 120-Bdd-ScenarioGivenWhenThen.cpp:19: passed: v.size() == 10 for: 10 == 10 // 120-Bdd-ScenarioGivenWhenThen.cpp:20: passed: v.capacity() >= 10 for: 10 >= 10 // 120-Bdd-ScenarioGivenWhenThen.cpp:12: passed: v.size() == 5 for: 5 == 5 // 120-Bdd-ScenarioGivenWhenThen.cpp:13: passed: v.capacity() >= 5 for: 5 >= 5 // 120-Bdd-ScenarioGivenWhenThen.cpp:27: passed: v.size() == 0 for: 0 == 0 // 120-Bdd-ScenarioGivenWhenThen.cpp:28: passed: v.capacity() >= 5 for: 5 >= 5 // 120-Bdd-ScenarioGivenWhenThen.cpp:12: passed: v.size() == 5 for: 5 == 5 // 120-Bdd-ScenarioGivenWhenThen.cpp:13: passed: v.capacity() >= 5 for: 5 >= 5 // 120-Bdd-ScenarioGivenWhenThen.cpp:35: passed: v.size() == 5 for: 5 == 5 // 120-Bdd-ScenarioGivenWhenThen.cpp:36: passed: v.capacity() >= 10 for: 10 >= 10 // 120-Bdd-ScenarioGivenWhenThen.cpp:12: passed: v.size() == 5 for: 5 == 5 // 120-Bdd-ScenarioGivenWhenThen.cpp:13: passed: v.capacity() >= 5 for: 5 >= 5 // 120-Bdd-ScenarioGivenWhenThen.cpp:43: passed: v.size() == 5 for: 5 == 5 // 120-Bdd-ScenarioGivenWhenThen.cpp:44: passed: v.capacity() >= 5 for: 5 >= 5 // Passed 1 test case with 16 assertions.