Reorganised (some) usage tests so they can be included multiple times

This commit is contained in:
Phil Nash
2017-11-17 15:46:57 +00:00
parent 516dbc83bc
commit 61e838edf2
8 changed files with 621 additions and 629 deletions
+80 -76
View File
@@ -8,96 +8,100 @@
#include "catch.hpp"
inline bool itDoesThis(){ return true; }
inline bool itDoesThat(){ return true; }
namespace { namespace BDDTests {
SCENARIO( "Do that thing with the thing", "[Tags]" ) {
GIVEN( "This stuff exists" ) {
// make stuff exist
WHEN( "I do this" ) {
// do this
THEN( "it should do this")
{
REQUIRE( itDoesThis() );
AND_THEN( "do that")
REQUIRE( itDoesThat() );
#ifndef BDD_TEST_HELPERS_INCLUDED // Don't compile this more than once per TU
#define BDD_TEST_HELPERS_INCLUDED
inline bool itDoesThis() { return true; }
inline bool itDoesThat() { return true; }
namespace {
// a trivial fixture example to support SCENARIO_METHOD tests
struct Fixture {
Fixture()
: d_counter(0) {
}
}
int counter() {
return d_counter++;
}
int d_counter;
};
}
}
#endif
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 );
}
SCENARIO("Do that thing with the thing", "[Tags]") {
GIVEN("This stuff exists") {
// make stuff exist
WHEN("I do this") {
// do this
THEN("it should do this") {
REQUIRE(itDoesThis());
AND_THEN("do that")REQUIRE(itDoesThat());
}
}
}
}
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("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]"
"[one very long tag name that should cause line wrapping writing out using the list command]"
"[anotherReallyLongTagNameButThisOneHasNoObviousWrapPointsSoShouldSplitWithinAWordUsingADashCharacter]" ) {
GIVEN( "A section name that is so long that it cannot fit in a single console width" )
WHEN( "The test headers are printed as part of the normal running of the scenario" )
THEN( "The, deliberately very long and overly verbose (you see what I did there?) section names must wrap, along with an indent" )
SUCCEED("boo!");
}
namespace {
// a trivial fixture example to support SCENARIO_METHOD tests
struct Fixture
{
Fixture()
: d_counter(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]"
"[one very long tag name that should cause line wrapping writing out using the list command]"
"[anotherReallyLongTagNameButThisOneHasNoObviousWrapPointsSoShouldSplitWithinAWordUsingADashCharacter]") {
GIVEN("A section name that is so long that it cannot fit in a single console width")WHEN(
"The test headers are printed as part of the normal running of the scenario")THEN(
"The, deliberately very long and overly verbose (you see what I did there?) section names must wrap, along with an indent")SUCCEED(
"boo!");
}
int counter()
{
return d_counter++;
}
int d_counter;
};
}
SCENARIO_METHOD(Fixture,
"BDD tests requiring Fixtures to provide commonly-accessed data or methods",
"[bdd][fixtures]") {
const int before(counter());
GIVEN("No operations precede me") {
REQUIRE(before == 0);
WHEN("We get the count") {
const int after(counter());
THEN("Subsequently values are higher") {
REQUIRE(after > before);
SCENARIO_METHOD(Fixture,
"BDD tests requiring Fixtures to provide commonly-accessed data or methods",
"[bdd][fixtures]") {
const int before(counter());
GIVEN("No operations precede me") {
REQUIRE(before == 0);
WHEN("We get the count") {
const int after(counter());
THEN("Subsequently values are higher") {
REQUIRE(after > before);
}
}
}
}
}
}} // namespace BDDtests