Added vector resizing example to BDD tests

This commit is contained in:
Phil Nash 2013-03-28 22:13:57 +00:00
parent 15fd032608
commit d0df295c25

View File

@ -25,3 +25,37 @@ SCENARIO( "Do that thing with the thing", "[Tags]" ) {
} }
} }
} }
SCENARIO( "Vector resizing affects size and capacity", "[vector][bdd][size][capacity]" ) {
GIVEN( "an empty vector" ) {
std::vector<int> v;
REQUIRE( v.size() == 0 );
WHEN( "it is made larger" ) {
v.resize( 10 );
THEN( "the size and capacity go up" ) {
REQUIRE( v.size() == 10 );
REQUIRE( v.capacity() >= 10 );
AND_WHEN( "it is made smaller again" ) {
v.resize( 5 );
THEN( "the size goes down but the capacity stays the same" ) {
REQUIRE( v.size() == 5 );
REQUIRE( v.capacity() >= 10 );
}
}
}
}
WHEN( "we reserve more space" ) {
v.reserve( 10 );
THEN( "The capacity is increased but the size remains the same" ) {
REQUIRE( v.capacity() >= 10 );
REQUIRE( v.size() == 0 );
}
}
}
}
SCENARIO( "This is a really long scenario name to see how the list command deals with wrapping", "[very long tags][lots][long][tags][verbose]" ) {
}