1 /* 2 * Created by Phil on 29/11/2010. 3 * Copyright 2010 Two Blue Cubes Ltd. All rights reserved. 4 * 5 * Distributed under the Boost Software License, Version 1.0. (See accompanying 6 * file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 7 */ 8 9 #include "catch.hpp" 10 11 namespace { namespace BDDTests { 12 13 #ifndef BDD_TEST_HELPERS_INCLUDED // Don't compile this more than once per TU 14 #define BDD_TEST_HELPERS_INCLUDED 15 itDoesThis()16 inline bool itDoesThis() { return true; } 17 itDoesThat()18 inline bool itDoesThat() { return true; } 19 20 namespace { 21 22 // a trivial fixture example to support SCENARIO_METHOD tests 23 struct Fixture { Fixture__anone4d8afc30111::BDDTests::__anone4d8afc30211::Fixture24 Fixture() 25 : d_counter(0) { 26 } 27 counter__anone4d8afc30111::BDDTests::__anone4d8afc30211::Fixture28 int counter() { 29 return d_counter++; 30 } 31 32 int d_counter; 33 }; 34 35 } 36 #endif 37 38 SCENARIO("Do that thing with the thing", "[Tags]") { 39 GIVEN("This stuff exists") { 40 // make stuff exist 41 AND_GIVEN("And some assumption") { 42 // Validate assumption 43 WHEN("I do this") { 44 // do this 45 THEN("it should do this") { 46 REQUIRE(itDoesThis()); 47 AND_THEN("do that")REQUIRE(itDoesThat()); 48 } 49 } 50 } 51 } 52 } 53 54 SCENARIO("Vector resizing affects size and capacity", "[vector][bdd][size][capacity]") { 55 GIVEN("an empty vector") { 56 std::vector<int> v; 57 REQUIRE(v.size() == 0); 58 59 WHEN("it is made larger") { 60 v.resize(10); 61 THEN("the size and capacity go up") { 62 REQUIRE(v.size() == 10); 63 REQUIRE(v.capacity() >= 10); 64 65 AND_WHEN("it is made smaller again") { 66 v.resize(5); 67 THEN("the size goes down but the capacity stays the same") { 68 REQUIRE(v.size() == 5); 69 REQUIRE(v.capacity() >= 10); 70 } 71 } 72 } 73 } 74 75 WHEN("we reserve more space") { 76 v.reserve(10); 77 THEN("The capacity is increased but the size remains the same") { 78 REQUIRE(v.capacity() >= 10); 79 REQUIRE(v.size() == 0); 80 } 81 } 82 } 83 } 84 85 SCENARIO("This is a really long scenario name to see how the list command deals with wrapping", 86 "[very long tags][lots][long][tags][verbose]" 87 "[one very long tag name that should cause line wrapping writing out using the list command]" 88 "[anotherReallyLongTagNameButThisOneHasNoObviousWrapPointsSoShouldSplitWithinAWordUsingADashCharacter]") { 89 GIVEN("A section name that is so long that it cannot fit in a single console width")WHEN( 90 "The test headers are printed as part of the normal running of the scenario")THEN( 91 "The, deliberately very long and overly verbose (you see what I did there?) section names must wrap, along with an indent")SUCCEED( 92 "boo!"); 93 } 94 95 SCENARIO_METHOD(Fixture, 96 "BDD tests requiring Fixtures to provide commonly-accessed data or methods", 97 "[bdd][fixtures]") { 98 const int before(counter()); 99 GIVEN("No operations precede me") { 100 REQUIRE(before == 0); 101 WHEN("We get the count") { 102 const int after(counter()); 103 THEN("Subsequently values are higher") { 104 REQUIRE(after > before); 105 } 106 } 107 } 108 } 109 110 }} // namespace BDDtests 111