projects/SelfTest/GeneratorTests.cpp

   1 /*
   2  *  Created by Phil on 28/01/2011.
   3  *  Copyright 2011 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 // This define means we have to prefix all the CATCH macros with CATCH_
  10 // We're using it here to test it out
  11 #define CATCH_CONFIG_PREFIX_ALL
  12 #include "catch.hpp"
  13
  14 inline int multiply( int a, int b )
  15 {
  16     return a*b;
  17 }
  18
  19 CATCH_TEST_CASE( "Generators over two ranges", "[generators]" )
  20 {
  21     using namespace Catch::Generators;
  22
  23     int i = CATCH_GENERATE( between( 1, 5 ).then( values( 15, 20, 21 ).then( 36 ) ) );
  24     int j = CATCH_GENERATE( between( 100, 107 ) );
  25
  26     CATCH_REQUIRE( multiply( i, 2 ) == i*2 );
  27     CATCH_REQUIRE( multiply( j, 2 ) == j*2 );
  28 }
  29
  30 struct IntPair { int first, second; };
  31
  32 CATCH_TEST_CASE( "Generator over a range of pairs", "[generators]" )
  33 {
  34     using namespace Catch::Generators;
  35
  36     IntPair p[] = { { 0, 1 }, { 2, 3 } };
  37
  38     IntPair* i = CATCH_GENERATE( between( p, &p[1] ) );
  39
  40     CATCH_REQUIRE( i->first == i->second-1 );
  41
  42 }