You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
74 lines
3.0 KiB
74 lines
3.0 KiB
// 120-Bdd-ScenarioGivenWhenThen.cpp
|
|
|
|
// main() provided in 000-CatchMain.cpp
|
|
|
|
#include <catch2/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.
|