forked from catchorg/Catch2
		
	Use -std=c++14 (instead of c++11). Pointers how to integrate with pkg-config for non-CMake projects.
		
			
				
	
	
		
			74 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			74 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| // 120-Bdd-ScenarioGivenWhenThen.cpp
 | |
| 
 | |
| // main() provided by linkage with Catch2WithMain
 | |
| 
 | |
| #include <catch2/catch_test_macros.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++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.
 |