100-Fix-Section.cpp File Reference

#include <catch2/catch.hpp>

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Functions
	TEST_CASE ("vectors can be sized and resized", "[vector]")

Function Documentation

TEST_CASE()

TEST_CASE	(	"vectors can be sized and resized"	,
		""	[vector] )

Definition at line 11 of file 100-Fix-Section.cpp.

                                                            {
 
    // For each section, vector v is anew:
 
    std::vector<int> v( 5 );
 
    REQUIRE( v.size() == 5 );
    REQUIRE( v.capacity() >= 5 );
 
    SECTION( "resizing bigger changes size and capacity" ) {
        v.resize( 10 );
 
        REQUIRE( v.size() == 10 );
        REQUIRE( v.capacity() >= 10 );
    }
    SECTION( "resizing smaller changes size but not capacity" ) {
        v.resize( 0 );
 
        REQUIRE( v.size() == 0 );
        REQUIRE( v.capacity() >= 5 );
    }
    SECTION( "reserving bigger changes capacity but not size" ) {
        v.reserve( 10 );
 
        REQUIRE( v.size() == 5 );
        REQUIRE( v.capacity() >= 10 );
    }
    SECTION( "reserving smaller does not change size or capacity" ) {
        v.reserve( 0 );
 
        REQUIRE( v.size() == 5 );
        REQUIRE( v.capacity() >= 5 );
    }
}