Boost -> Catch: Everything unlocked by grains.

exercises/food-chain/CMakeLists.txt

@@ -7,12 +7,6 @@ cmake_minimum_required(VERSION 3.1.3)
 # Name the project after the exercise
 project(${exercise} CXX)
 
-# Locate Boost libraries: unit_test_framework and date_time
-set(Boost_USE_STATIC_LIBS ON)
-set(Boost_USE_MULTITHREADED ON)
-set(Boost_USE_STATIC_RUNTIME OFF)
-find_package(Boost 1.59 REQUIRED COMPONENTS unit_test_framework date_time)
-
 # Get a source filename from the exercise name by replacing -'s with _'s
 string(REPLACE "-" "_" file ${exercise})
 
@@ -38,13 +32,6 @@ if("${CMAKE_CXX_COMPILER_ID}" MATCHES "(GNU|Clang)")
     )
 endif()
 
-# We need boost libraries
-target_link_libraries(${exercise}
-    PRIVATE
-    Boost::unit_test_framework
-    Boost::date_time
-)
-
 # Configure to run all the tests?
 if(${EXERCISM_RUN_ALL_TESTS})
     target_compile_definitions(${exercise} PRIVATE EXERCISM_RUN_ALL_TESTS)

exercises/food-chain/food_chain_test.cpp

@@ -1,40 +1,40 @@
 #include "food_chain.h"
-#define BOOST_TEST_MAIN
-#include <boost/test/unit_test.hpp>
+#define CATCH_CONFIG_MAIN
+#include "test/catch.hpp"
 
 using namespace std;
 
-BOOST_AUTO_TEST_CASE(fly)
+TEST_CASE("fly")
 {
     string expected = "I know an old lady who swallowed a fly.\n"
         "I don't know why she swallowed the fly. Perhaps she'll die.\n";
 
-    BOOST_REQUIRE_EQUAL(expected, food_chain::verse(1));
+    REQUIRE(expected == food_chain::verse(1));
 }
 
 #if defined(EXERCISM_RUN_ALL_TESTS)
-BOOST_AUTO_TEST_CASE(spider)
+TEST_CASE("spider")
 {
     string expected = "I know an old lady who swallowed a spider.\n"
         "It wriggled and jiggled and tickled inside her.\n"
         "She swallowed the spider to catch the fly.\n"
         "I don't know why she swallowed the fly. Perhaps she'll die.\n";
 
-    BOOST_REQUIRE_EQUAL(expected, food_chain::verse(2));
+    REQUIRE(expected == food_chain::verse(2));
 }
 
-BOOST_AUTO_TEST_CASE(bird)
+TEST_CASE("bird")
 {
     string expected = "I know an old lady who swallowed a bird.\n"
         "How absurd to swallow a bird!\n"
         "She swallowed the bird to catch the spider that wriggled and jiggled and tickled inside her.\n"
         "She swallowed the spider to catch the fly.\n"
         "I don't know why she swallowed the fly. Perhaps she'll die.\n";
 
-    BOOST_REQUIRE_EQUAL(expected, food_chain::verse(3));
+    REQUIRE(expected == food_chain::verse(3));
 }
 
-BOOST_AUTO_TEST_CASE(cat)
+TEST_CASE("cat")
 {
     string expected = "I know an old lady who swallowed a cat.\n"
         "Imagine that, to swallow a cat!\n"
@@ -44,10 +44,10 @@ BOOST_AUTO_TEST_CASE(cat)
         "I don't know why she swallowed the fly. "
         "Perhaps she'll die.\n";
 
-    BOOST_REQUIRE_EQUAL(expected, food_chain::verse(4));
+    REQUIRE(expected == food_chain::verse(4));
 }
 
-BOOST_AUTO_TEST_CASE(dog)
+TEST_CASE("dog")
 {
     string expected = "I know an old lady who swallowed a dog.\n"
         "What a hog, to swallow a dog!\n"
@@ -58,10 +58,10 @@ BOOST_AUTO_TEST_CASE(dog)
         "I don't know why she swallowed the fly. "
         "Perhaps she'll die.\n";
 
-    BOOST_REQUIRE_EQUAL(expected, food_chain::verse(5));
+    REQUIRE(expected == food_chain::verse(5));
 }
 
-BOOST_AUTO_TEST_CASE(goat)
+TEST_CASE("goat")
 {
     string expected = "I know an old lady who swallowed a goat.\n"
         "Just opened her throat and swallowed a goat!\n"
@@ -73,10 +73,10 @@ BOOST_AUTO_TEST_CASE(goat)
         "I don't know why she swallowed the fly. "
         "Perhaps she'll die.\n";
 
-    BOOST_REQUIRE_EQUAL(expected, food_chain::verse(6));
+    REQUIRE(expected == food_chain::verse(6));
 }
 
-BOOST_AUTO_TEST_CASE(cow)
+TEST_CASE("cow")
 {
     string expected = "I know an old lady who swallowed a cow.\n"
         "I don't know how she swallowed a cow!\n"
@@ -89,18 +89,18 @@ BOOST_AUTO_TEST_CASE(cow)
         "I don't know why she swallowed the fly. "
         "Perhaps she'll die.\n";
 
-    BOOST_REQUIRE_EQUAL(expected, food_chain::verse(7));
+    REQUIRE(expected == food_chain::verse(7));
 }
 
-BOOST_AUTO_TEST_CASE(horse)
+TEST_CASE("horse")
 {
     string expected = "I know an old lady who swallowed a horse.\n"
         "She's dead, of course!\n";
 
-    BOOST_REQUIRE_EQUAL(expected, food_chain::verse(8));
+    REQUIRE(expected == food_chain::verse(8));
 }
 
-BOOST_AUTO_TEST_CASE(multiple_verses)
+TEST_CASE("multiple_verses")
 {
     string expected = 
         "I know an old lady who swallowed a fly.\n"
@@ -112,11 +112,11 @@ BOOST_AUTO_TEST_CASE(multiple_verses)
         "I don't know why she swallowed the fly. Perhaps she'll die.\n"
         "\n";
 
-    BOOST_REQUIRE_EQUAL(expected, food_chain::verses(1, 2));
+    REQUIRE(expected == food_chain::verses(1, 2));
 }
 
-BOOST_AUTO_TEST_CASE(the_whole_song)
+TEST_CASE("the_whole_song")
 {
-    BOOST_REQUIRE_EQUAL(food_chain::verses(1, 8), food_chain::sing());
+    REQUIRE(food_chain::verses(1, 8) == food_chain::sing());
 }
 #endif