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// Copyright 2013 by Martin Moene
//
// Distributed under the Boost Software License, Version 1.0:
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
//
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
#include "lest.hpp"
#include <sstream>
using namespace lest;
const lest::test specification[] =
{
"Function to suppress warning \"expression has no effect\" acts as identity function", []
{
EXPECT( false == serum( false ) );
EXPECT( true == serum( true ) );
},
"Function with_message() returns correct string", []
{
std::string msg = "Let writing tests become irresistibly easy and attractive.";
EXPECT( "with message \"" + msg + "\"" == with_message( msg ) );
},
"Function of_type() returns correct string", []
{
std::string msg = "this_type";
EXPECT( "of type " + msg == of_type( msg ) );
},
"Function pluralise() adds 's' except for 1 item", []
{
std::string word = "hammer";
EXPECT( word == pluralise( 1, word ) );
for ( auto i : {0,2,3,4,5,6,7,8,9,10,11,12} )
EXPECT( word + "s" == pluralise( i, word ) );
},
"Location constructs properly", []
{
char const * file = __FILE__; int line = __LINE__;
location where{ file, line };
EXPECT( file == where.file );
EXPECT( line == where.line );
},
"Comment constructs properly", []
{
std::string text = __FILE__;
comment note = text;
EXPECT( text == note.text );
},
"Comment converted to bool indicates absence or presence of comment", []
{
EXPECT( false == bool( comment( "") ) );
EXPECT( true == bool( comment("x") ) );
},
"Failure exception type constructs and prints properly", []
{
std::string name = "test-name";
failure msg( location{"filename.cpp", 765}, "expression" );
std::ostringstream os;
report( os, msg, name );
#ifndef __GNUG__
EXPECT( os.str() == "filename.cpp(765): failed: test-name: expression\n" );
#else
EXPECT( os.str() == "filename.cpp:765: failed: test-name: expression\n" );
#endif
},
"Expected exception type constructs and prints properly", []
{
std::string name = "test-name";
expected msg( location{"filename.cpp", 765}, "expression" );
std::ostringstream os;
report( os, msg, name );
#ifndef __GNUG__
EXPECT( os.str() == "filename.cpp(765): failed: didn't get exception: test-name: expression\n" );
#else
EXPECT( os.str() == "filename.cpp:765: failed: didn't get exception: test-name: expression\n" );
#endif
},
"Unexpected exception type constructs and prints properly", []
{
std::string name = "test-name";
unexpected msg( location{"filename.cpp", 765}, "expression", "exception-type" );
std::ostringstream os;
report( os, msg, name );
#ifndef __GNUG__
EXPECT( os.str() == "filename.cpp(765): failed: got unexpected exception exception-type: test-name: expression\n" );
#else
EXPECT( os.str() == "filename.cpp:765: failed: got unexpected exception exception-type: test-name: expression\n" );
#endif
},
"Expect generates no message exception for a succeeding test", []
{
test pass = { "P", [] { EXPECT( true ); } };
try { pass.behaviour(); }
catch(...) { throw failure(location{__FILE__,__LINE__}, "unexpected error generated"); }
},
"Expect generates a message exception for a failing test", []
{
test fail = { "F", [] { EXPECT( false ); } };
for (;;)
{
try { fail.behaviour(); } catch ( message & ) { break; }
throw failure(location{__FILE__,__LINE__}, "no error generated");
}
},
"Expect succeeds for success (true) and failure (false)", []
{
test pass[] = {{ "P", [] { EXPECT( true ); } }};
test fail[] = {{ "F", [] { EXPECT( false ); } }};
std::ostringstream os;
EXPECT( 0 == run( pass, os ) );
EXPECT( 1 == run( fail, os ) );
},
"Expect succeeds for integer comparation", []
{
test pass [] = {{ "P" , [] { EXPECT( 7 == 7 ); EXPECT( 7 != 8 );
EXPECT( 7 >= 6 ); EXPECT( 7 <= 8 );
EXPECT( 7 > 6 ); EXPECT( 7 < 8 ); } }};
test fail_1[] = {{ "F1", [] { EXPECT( 7 == 8 ); } }};
test fail_2[] = {{ "F2", [] { EXPECT( 7 != 7 ); } }};
test fail_3[] = {{ "F3", [] { EXPECT( 7 <= 6 ); } }};
test fail_4[] = {{ "F4", [] { EXPECT( 7 >= 8 ); } }};
test fail_5[] = {{ "F5", [] { EXPECT( 7 < 6 ); } }};
test fail_6[] = {{ "F6", [] { EXPECT( 7 > 8 ); } }};
std::ostringstream os;
EXPECT( 0 == run( pass , os ) );
EXPECT( 1 == run( fail_1, os ) );
EXPECT( 1 == run( fail_2, os ) );
EXPECT( 1 == run( fail_3, os ) );
EXPECT( 1 == run( fail_4, os ) );
EXPECT( 1 == run( fail_5, os ) );
EXPECT( 1 == run( fail_6, os ) );
},
"Expect succeeds for string comparation", []
{
std::string a("a"); std::string b("b");
test pass [] = {{ "P" , [=]() { EXPECT( a == a ); EXPECT( a != b );
EXPECT( b >= a ); EXPECT( a <= b );
EXPECT( b > a ); EXPECT( a < b ); } }};
test fail_1[] = {{ "F1", [=]() { EXPECT( a == b ); } }};
test fail_2[] = {{ "F2", [=]() { EXPECT( a != a ); } }};
test fail_3[] = {{ "F3", [=]() { EXPECT( b <= a ); } }};
test fail_4[] = {{ "F4", [=]() { EXPECT( a >= b ); } }};
test fail_5[] = {{ "F5", [=]() { EXPECT( b < a ); } }};
test fail_6[] = {{ "F6", [=]() { EXPECT( a > b ); } }};
std::ostringstream os;
EXPECT( 0 == run( pass , os ) );
EXPECT( 1 == run( fail_1, os ) );
EXPECT( 1 == run( fail_2, os ) );
EXPECT( 1 == run( fail_3, os ) );
EXPECT( 1 == run( fail_4, os ) );
EXPECT( 1 == run( fail_5, os ) );
EXPECT( 1 == run( fail_6, os ) );
},
"Function run() returns the right failure count", []
{
test pass [] = {{ "P" , [] { EXPECT( 1==1 ); } }};
test fail_1[] = {{ "F1", [] { EXPECT( 0==1 ); } }};
test fail_3[] = {{ "F1", [] { EXPECT( 0==1 ); } },
{ "F2", [] { EXPECT( 0==1 ); } },
{ "F3", [] { EXPECT( 0==1 ); } },};
std::ostringstream os;
EXPECT( 0 == run( pass , os ) );
EXPECT( 1 == run( fail_1, os ) );
EXPECT( 3 == run( fail_3, os ) );
},
"Expect succeeds with an unexpected standard exception", []
{
std::string text = "hello-world";
test pass[] = {{ "P", [=]() { EXPECT( (throw std::runtime_error(text), true) ); } }};
std::ostringstream os;
EXPECT( 1 == run( pass, os ) );
EXPECT( std::string::npos != os.str().find(text) );
},
"Expect succeeds with an unexpected non-standard exception", []
{
test pass[] = {{ "P", [] { EXPECT( (throw 77, true) ); } }};
std::ostringstream os;
EXPECT( 1 == run( pass, os ) );
},
"Expect_throws succeeds with an expected standard exception", []
{
std::string text = "hello-world";
test pass[] = {{ "P", [=]() { EXPECT_THROWS( (throw std::runtime_error(text), true) ); } }};
test fail[] = {{ "F", [ ]() { EXPECT_THROWS( true ); } }};
std::ostringstream os;
EXPECT( 0 == run( pass, os ) );
EXPECT( 1 == run( fail, os ) );
},
"Expect_throws succeeds with an expected non-standard exception", []
{
test pass[] = {{ "P", [] { EXPECT_THROWS( (throw 77, true) ); } }};
test fail[] = {{ "F", [] { EXPECT_THROWS( true ); } }};
std::ostringstream os;
EXPECT( 0 == run( pass, os ) );
EXPECT( 1 == run( fail, os ) );
},
"Expect_throws_as succeeds with a specific expected standard exception", []
{
test pass[] = {{ "P", [] { EXPECT_THROWS_AS( (throw std::bad_alloc(), true), std::bad_alloc ); } }};
test fail[] = {{ "F", [] { EXPECT_THROWS_AS( (throw std::bad_alloc(), true), std::runtime_error ); } }};
std::ostringstream os;
EXPECT( 0 == run( pass, os ) );
EXPECT( 1 == run( fail, os ) );
},
"Expect_throws_as succeeds with a specific expected non-standard exception", []
{
test pass[] = {{ "P", [] { EXPECT_THROWS_AS( (throw 77, true), int ); } }};
test fail[] = {{ "F", [] { EXPECT_THROWS_AS( (throw 77, true), std::runtime_error ); } }};
std::ostringstream os;
EXPECT( 0 == run( pass, os ) );
EXPECT( 1 == run( fail, os ) );
},
};
int main()
{
return lest::run( specification );
}
// cl -nologo -Wall -EHsc test_lest.cpp && test_lest
// g++ -Wall -Wextra -Weffc++ -std=c++11 -o test_lest.exe test_lest.cpp && test_lest
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