Created
June 11, 2019 15:44
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BDD style specification for catch2 medium post
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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 ); | |
} | |
} | |
} | |
} |
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