111 lines
3.7 KiB
C++
111 lines
3.7 KiB
C++
/*
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* Created by Phil on 29/11/2010.
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* Copyright 2010 Two Blue Cubes Ltd. All rights reserved.
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*
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* Distributed under the Boost Software License, Version 1.0. (See accompanying
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* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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*/
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#include "catch.hpp"
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namespace { namespace BDDTests {
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#ifndef BDD_TEST_HELPERS_INCLUDED // Don't compile this more than once per TU
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#define BDD_TEST_HELPERS_INCLUDED
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inline bool itDoesThis() { return true; }
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inline bool itDoesThat() { return true; }
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namespace {
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// a trivial fixture example to support SCENARIO_METHOD tests
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struct Fixture {
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Fixture()
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: d_counter(0) {
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}
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int counter() {
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return d_counter++;
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}
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int d_counter;
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};
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}
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#endif
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SCENARIO("Do that thing with the thing", "[Tags]") {
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GIVEN("This stuff exists") {
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// make stuff exist
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AND_GIVEN("And some assumption") {
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// Validate assumption
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WHEN("I do this") {
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// do this
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THEN("it should do this") {
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REQUIRE(itDoesThis());
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AND_THEN("do that")REQUIRE(itDoesThat());
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}
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}
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}
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}
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}
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SCENARIO("Vector resizing affects size and capacity", "[vector][bdd][size][capacity]") {
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GIVEN("an empty vector") {
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std::vector<int> v;
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REQUIRE(v.size() == 0);
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WHEN("it is made larger") {
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v.resize(10);
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THEN("the size and capacity go up") {
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REQUIRE(v.size() == 10);
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REQUIRE(v.capacity() >= 10);
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AND_WHEN("it is made smaller again") {
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v.resize(5);
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THEN("the size goes down but the capacity stays the same") {
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REQUIRE(v.size() == 5);
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REQUIRE(v.capacity() >= 10);
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}
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}
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}
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}
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WHEN("we reserve more space") {
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v.reserve(10);
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THEN("The capacity is increased but the size remains the same") {
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REQUIRE(v.capacity() >= 10);
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REQUIRE(v.size() == 0);
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}
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}
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}
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}
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SCENARIO("This is a really long scenario name to see how the list command deals with wrapping",
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"[very long tags][lots][long][tags][verbose]"
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"[one very long tag name that should cause line wrapping writing out using the list command]"
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"[anotherReallyLongTagNameButThisOneHasNoObviousWrapPointsSoShouldSplitWithinAWordUsingADashCharacter]") {
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GIVEN("A section name that is so long that it cannot fit in a single console width")WHEN(
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"The test headers are printed as part of the normal running of the scenario")THEN(
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"The, deliberately very long and overly verbose (you see what I did there?) section names must wrap, along with an indent")SUCCEED(
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"boo!");
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}
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SCENARIO_METHOD(Fixture,
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"BDD tests requiring Fixtures to provide commonly-accessed data or methods",
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"[bdd][fixtures]") {
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const int before(counter());
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GIVEN("No operations precede me") {
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REQUIRE(before == 0);
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WHEN("We get the count") {
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const int after(counter());
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THEN("Subsequently values are higher") {
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REQUIRE(after > before);
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}
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}
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}
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}
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}} // namespace BDDtests
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