| // 120-Bdd-ScenarioGivenWhenThen.cpp |
| |
| // main() provided in 000-CatchMain.cpp |
| |
| #include "catch.hpp" |
| |
| SCENARIO( "vectors can be sized and resized", "[vector]" ) { |
| |
| GIVEN( "A vector with some items" ) { |
| std::vector<int> 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++11 -Wall -I$(CATCH_SINGLE_INCLUDE) -o 120-Bdd-ScenarioGivenWhenThen 120-Bdd-ScenarioGivenWhenThen.cpp 000-CatchMain.o && 120-Bdd-ScenarioGivenWhenThen --success |
| // - cl -EHsc -I%CATCH_SINGLE_INCLUDE% 120-Bdd-ScenarioGivenWhenThen.cpp 000-CatchMain.obj && 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. |