catch2/projects/SelfTest/MiscTests.cpp

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/*
* Created by Phil on 29/11/2010.
* Copyright 2010 Two Blue Cubes Ltd. All rights reserved.
*
* Distributed under the Boost Software License, Version 1.0. (See accompanying
* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
*/
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#include "catch.hpp"
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#ifdef __clang__
# pragma clang diagnostic ignored "-Wc++98-compat"
# pragma clang diagnostic ignored "-Wc++98-compat-pedantic"
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#endif
#include "internal/catch_xmlwriter.h"
#include <iostream>
#include <cerrno>
#include <limits>
TEST_CASE( "random SECTION tests", "[.][sections][failing]" ) {
int a = 1;
int b = 2;
SECTION( "s1", "doesn't equal" ) {
REQUIRE( a != b );
REQUIRE( b != a );
}
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SECTION( "s2", "not equal" ) {
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REQUIRE( a != b);
}
}
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TEST_CASE( "nested SECTION tests", "[.][sections][failing]" ) {
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int a = 1;
int b = 2;
SECTION( "s1", "doesn't equal" ) {
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REQUIRE( a != b );
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REQUIRE( b != a );
SECTION( "s2", "not equal" ) {
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REQUIRE( a != b);
}
}
}
TEST_CASE( "more nested SECTION tests", "[sections][failing][.]" ) {
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int a = 1;
int b = 2;
SECTION( "s1", "doesn't equal" ) {
SECTION( "s2", "equal" ) {
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REQUIRE( a == b );
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}
SECTION( "s3", "not equal" ) {
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REQUIRE( a != b );
}
SECTION( "s4", "less than" ) {
REQUIRE( a < b );
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}
}
}
TEST_CASE( "even more nested SECTION tests", "[sections]" ) {
SECTION( "c" ) {
SECTION( "d (leaf)" ) {
SUCCEED(""); // avoid failing due to no tests
}
SECTION( "e (leaf)" ) {
SUCCEED(""); // avoid failing due to no tests
}
}
SECTION( "f (leaf)" ) {
SUCCEED(""); // avoid failing due to no tests
}
}
TEST_CASE( "looped SECTION tests", "[.][failing][sections]" ) {
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int a = 1;
for( int b = 0; b < 10; ++b ) {
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std::ostringstream oss;
oss << "b is currently: " << b;
SECTION( "s1", oss.str() ) {
CHECK( b > a );
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}
}
}
TEST_CASE( "looped tests", "[.][failing]" ) {
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static const int fib[] = { 1, 1, 2, 3, 5, 8, 13, 21 };
for( std::size_t i=0; i < sizeof(fib)/sizeof(int); ++i ) {
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INFO( "Testing if fib[" << i << "] (" << fib[i] << ") is even" );
CHECK( ( fib[i] % 2 ) == 0 );
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}
}
TEST_CASE( "Sends stuff to stdout and stderr", "[.]" ) {
std::cout << "A string sent directly to stdout" << std::endl;
std::cerr << "A string sent directly to stderr" << std::endl;
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}
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inline const char* makeString( bool makeNull ) {
return makeNull ? nullptr : "valid string";
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}
TEST_CASE( "null strings" ) {
REQUIRE( makeString( false ) != static_cast<char*>(nullptr));
REQUIRE( makeString( true ) == static_cast<char*>(nullptr));
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}
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inline bool testCheckedIf( bool flag ) {
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CHECKED_IF( flag )
return true;
else
return false;
}
TEST_CASE( "checkedIf" ) {
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REQUIRE( testCheckedIf( true ) );
}
TEST_CASE( "checkedIf, failing", "[failing][.]" ) {
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REQUIRE( testCheckedIf( false ) );
}
inline bool testCheckedElse( bool flag ) {
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CHECKED_ELSE( flag )
return false;
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return true;
}
TEST_CASE( "checkedElse" ) {
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REQUIRE( testCheckedElse( true ) );
}
TEST_CASE( "checkedElse, failing", "[failing][.]" ) {
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REQUIRE( testCheckedElse( false ) );
}
TEST_CASE( "xmlentitycheck" ) {
SECTION( "embedded xml", "<test>it should be possible to embed xml characters, such as <, \" or &, or even whole <xml>documents</xml> within an attribute</test>" ) {
SUCCEED(""); // We need this here to stop it failing due to no tests
}
SECTION( "encoded chars", "these should all be encoded: &&&\"\"\"<<<&\"<<&\"" ) {
SUCCEED(""); // We need this here to stop it failing due to no tests
}
}
TEST_CASE( "send a single char to INFO", "[failing][.]" ) {
INFO(3);
REQUIRE(false);
}
TEST_CASE( "atomic if", "[failing][0]") {
std::size_t x = 0;
if( x )
REQUIRE(x > 0);
else
REQUIRE(x == 0);
}
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inline unsigned int Factorial( unsigned int number ) {
return number > 1 ? Factorial(number-1)*number : 1;
}
TEST_CASE( "Factorials are computed", "[factorial]" ) {
REQUIRE( Factorial(0) == 1 );
REQUIRE( Factorial(1) == 1 );
REQUIRE( Factorial(2) == 2 );
REQUIRE( Factorial(3) == 6 );
REQUIRE( Factorial(10) == 3628800 );
}
TEST_CASE( "An empty test with no assertions", "[empty]" ) {}
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TEST_CASE( "Nice descriptive name", "[tag1][tag2][tag3][.]" ) {
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WARN( "This one ran" );
}
TEST_CASE( "first tag", "[tag1]" ) {}
TEST_CASE( "second tag", "[tag2]" ) {}
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//
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//TEST_CASE( "spawn a new process", "[.]" )
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//{
// // !TBD Work in progress
// char line[200];
// FILE* output = popen("./CatchSelfTest ./failing/matchers/StartsWith", "r");
// while ( fgets(line, 199, output) )
// std::cout << line;
//}
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TEST_CASE( "vectors can be sized and resized", "[vector]" ) {
std::vector<int> v( 5 );
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REQUIRE( v.size() == 5 );
REQUIRE( v.capacity() >= 5 );
SECTION( "resizing bigger changes size and capacity" ) {
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v.resize( 10 );
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REQUIRE( v.size() == 10 );
REQUIRE( v.capacity() >= 10 );
}
SECTION( "resizing smaller changes size but not capacity" ) {
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v.resize( 0 );
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REQUIRE( v.size() == 0 );
REQUIRE( v.capacity() >= 5 );
SECTION( "We can use the 'swap trick' to reset the capacity" ) {
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std::vector<int> empty;
empty.swap( v );
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REQUIRE( v.capacity() == 0 );
}
}
SECTION( "reserving bigger changes capacity but not size" ) {
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v.reserve( 10 );
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REQUIRE( v.size() == 5 );
REQUIRE( v.capacity() >= 10 );
}
SECTION( "reserving smaller does not change size or capacity" ) {
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v.reserve( 0 );
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REQUIRE( v.size() == 5 );
REQUIRE( v.capacity() >= 5 );
}
}
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// https://github.com/philsquared/Catch/issues/166
TEST_CASE("A couple of nested sections followed by a failure", "[failing][.]") {
SECTION("Outer", "")
SECTION("Inner", "")
SUCCEED("that's not flying - that's failing in style");
FAIL("to infinity and beyond");
}
TEST_CASE("not allowed", "[!throws]") {
// This test case should not be included if you run with -e on the command line
SUCCEED( "" );
}
//TEST_CASE( "Is big endian" ) {
// CHECK( Catch::Detail::Endianness::which() == Catch::Detail::Endianness::Little );
//}
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TEST_CASE( "Tabs and newlines show in output", "[.][whitespace][failing]" ) {
// Based on issue #242
std::string s1 = "if ($b == 10) {\n\t\t$a\t= 20;\n}";
std::string s2 = "if ($b == 10) {\n\t$a = 20;\n}\n";
CHECK( s1 == s2 );
}
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TEST_CASE( "toString on const wchar_t const pointer returns the string contents", "[toString]" ) {
const wchar_t * const s = L"wide load";
std::string result = ::Catch::Detail::stringify( s );
CHECK( result == "\"wide load\"" );
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}
TEST_CASE( "toString on const wchar_t pointer returns the string contents", "[toString]" ) {
const wchar_t * s = L"wide load";
std::string result = ::Catch::Detail::stringify( s );
CHECK( result == "\"wide load\"" );
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}
TEST_CASE( "toString on wchar_t const pointer returns the string contents", "[toString]" ) {
wchar_t * const s = const_cast<wchar_t* const>( L"wide load" );
std::string result = ::Catch::Detail::stringify( s );
CHECK( result == "\"wide load\"" );
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}
TEST_CASE( "toString on wchar_t returns the string contents", "[toString]" ) {
wchar_t * s = const_cast<wchar_t*>( L"wide load" );
std::string result = ::Catch::Detail::stringify( s );
CHECK( result == "\"wide load\"" );
}
inline std::string encode( std::string const& str, Catch::XmlEncode::ForWhat forWhat = Catch::XmlEncode::ForTextNodes ) {
std::ostringstream oss;
oss << Catch::XmlEncode( str, forWhat );
return oss.str();
}
TEST_CASE( "XmlEncode" ) {
SECTION( "normal string" ) {
REQUIRE( encode( "normal string" ) == "normal string" );
}
SECTION( "empty string" ) {
REQUIRE( encode( "" ) == "" );
}
SECTION( "string with ampersand" ) {
REQUIRE( encode( "smith & jones" ) == "smith &amp; jones" );
}
SECTION( "string with less-than" ) {
REQUIRE( encode( "smith < jones" ) == "smith &lt; jones" );
}
SECTION( "string with greater-than" ) {
REQUIRE( encode( "smith > jones" ) == "smith > jones" );
REQUIRE( encode( "smith ]]> jones" ) == "smith ]]&gt; jones" );
}
SECTION( "string with quotes" ) {
std::string stringWithQuotes = "don't \"quote\" me on that";
REQUIRE( encode( stringWithQuotes ) == stringWithQuotes );
REQUIRE( encode( stringWithQuotes, Catch::XmlEncode::ForAttributes ) == "don't &quot;quote&quot; me on that" );
}
SECTION( "string with control char (1)" ) {
REQUIRE( encode( "[\x01]" ) == "[\\x01]" );
}
SECTION( "string with control char (x7F)" ) {
REQUIRE( encode( "[\x7F]" ) == "[\\x7F]" );
}
}
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TEST_CASE( "long long" ) {
long long l = std::numeric_limits<long long>::max();
REQUIRE( l == std::numeric_limits<long long>::max() );
}
//TEST_CASE( "Divide by Zero signal handler", "[.][sig]" ) {
// int i = 0;
// int x = 10/i; // This should cause the signal to fire
// CHECK( x == 0 );
//}
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TEST_CASE( "This test 'should' fail but doesn't", "[.][failing][!shouldfail]" ) {
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SUCCEED( "oops!" );
}
TEST_CASE( "# A test name that starts with a #" ) {
SUCCEED( "yay" );
}
static int f() {
return 1;
}
TEST_CASE( "#835 -- errno should not be touched by Catch", "[.][failing][!shouldfail]" ) {
errno = 1;
CHECK(f() == 0);
REQUIRE(errno == 1); // Check that f() doesn't touch errno.
}
TEST_CASE( "#961 -- Dynamically created sections should all be reported", "[.]" ) {
for (char i = '0'; i < '5'; ++i) {
SECTION(std::string("Looped section ") + i) {
SUCCEED( "Everything is OK" );
}
}
}