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ADD: added Catch2 test; added TrackClass

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This commit is contained in:
Henry Winkel
2022-12-21 13:38:51 +01:00
parent 98ebb563a8
commit 56833c93f2
400 changed files with 100059 additions and 45 deletions
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15
libs/Catch2/examples/000-CatchMain.cpp Normal file
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// 000-CatchMain.cpp
// In a Catch project with multiple files, dedicate one file to compile the
// source code of Catch itself and reuse the resulting object file for linking.
// Let Catch provide main():
#define CATCH_CONFIG_MAIN
#include <catch2/catch.hpp>
// That's it
// Compile implementation of Catch for use with files that do contain tests:
// - g++ -std=c++11 -Wall -I$(CATCH_SINGLE_INCLUDE) -c 000-CatchMain.cpp
// - cl -EHsc -I%CATCH_SINGLE_INCLUDE% -c 000-CatchMain.cpp

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libs/Catch2/examples/010-TestCase.cpp Normal file
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// 010-TestCase.cpp
// Let Catch provide main():
#define CATCH_CONFIG_MAIN
#include <catch2/catch.hpp>
int Factorial( int number ) {
return number <= 1 ? number : Factorial( number - 1 ) * number; // fail
// return number <= 1 ? 1 : Factorial( number - 1 ) * number; // pass
}
TEST_CASE( "Factorial of 0 is 1 (fail)", "[single-file]" ) {
REQUIRE( Factorial(0) == 1 );
}
TEST_CASE( "Factorials of 1 and higher are computed (pass)", "[single-file]" ) {
REQUIRE( Factorial(1) == 1 );
REQUIRE( Factorial(2) == 2 );
REQUIRE( Factorial(3) == 6 );
REQUIRE( Factorial(10) == 3628800 );
}
// Compile & run:
// - g++ -std=c++11 -Wall -I$(CATCH_SINGLE_INCLUDE) -o 010-TestCase 010-TestCase.cpp && 010-TestCase --success
// - cl -EHsc -I%CATCH_SINGLE_INCLUDE% 010-TestCase.cpp && 010-TestCase --success
// Expected compact output (all assertions):
//
// prompt> 010-TestCase --reporter compact --success
// 010-TestCase.cpp:14: failed: Factorial(0) == 1 for: 0 == 1
// 010-TestCase.cpp:18: passed: Factorial(1) == 1 for: 1 == 1
// 010-TestCase.cpp:19: passed: Factorial(2) == 2 for: 2 == 2
// 010-TestCase.cpp:20: passed: Factorial(3) == 6 for: 6 == 6
// 010-TestCase.cpp:21: passed: Factorial(10) == 3628800 for: 3628800 (0x375f00) == 3628800 (0x375f00)
// Failed 1 test case, failed 1 assertion.

35
libs/Catch2/examples/020-TestCase-1.cpp Normal file
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// 020-TestCase-1.cpp
// In a Catch project with multiple files, dedicate one file to compile the
// source code of Catch itself and reuse the resulting object file for linking.
// Let Catch provide main():
#define CATCH_CONFIG_MAIN
#include <catch2/catch.hpp>
TEST_CASE( "1: All test cases reside in other .cpp files (empty)", "[multi-file:1]" ) {
}
// ^^^
// Normally no TEST_CASEs in this file.
// Here just to show there are two source files via option --list-tests.
// Compile & run:
// - g++ -std=c++11 -Wall -I$(CATCH_SINGLE_INCLUDE) -c 020-TestCase-1.cpp
// - g++ -std=c++11 -Wall -I$(CATCH_SINGLE_INCLUDE) -o 020-TestCase TestCase-1.o 020-TestCase-2.cpp && 020-TestCase --success
//
// - cl -EHsc -I%CATCH_SINGLE_INCLUDE% -c 020-TestCase-1.cpp
// - cl -EHsc -I%CATCH_SINGLE_INCLUDE% -Fe020-TestCase.exe 020-TestCase-1.obj 020-TestCase-2.cpp && 020-TestCase --success
// Expected test case listing:
//
// prompt> 020-TestCase --list-tests *
// Matching test cases:
// 1: All test cases reside in other .cpp files (empty)
// [multi-file:1]
// 2: Factorial of 0 is computed (fail)
// [multi-file:2]
// 2: Factorials of 1 and higher are computed (pass)
// [multi-file:2]
// 3 matching test cases

33
libs/Catch2/examples/020-TestCase-2.cpp Normal file
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// 020-TestCase-2.cpp
// main() provided by Catch in file 020-TestCase-1.cpp.
#include <catch2/catch.hpp>
int Factorial( int number ) {
return number <= 1 ? number : Factorial( number - 1 ) * number; // fail
// return number <= 1 ? 1 : Factorial( number - 1 ) * number; // pass
}
TEST_CASE( "2: Factorial of 0 is 1 (fail)", "[multi-file:2]" ) {
REQUIRE( Factorial(0) == 1 );
}
TEST_CASE( "2: Factorials of 1 and higher are computed (pass)", "[multi-file:2]" ) {
REQUIRE( Factorial(1) == 1 );
REQUIRE( Factorial(2) == 2 );
REQUIRE( Factorial(3) == 6 );
REQUIRE( Factorial(10) == 3628800 );
}
// Compile: see 020-TestCase-1.cpp
// Expected compact output (all assertions):
//
// prompt> 020-TestCase --reporter compact --success
// 020-TestCase-2.cpp:13: failed: Factorial(0) == 1 for: 0 == 1
// 020-TestCase-2.cpp:17: passed: Factorial(1) == 1 for: 1 == 1
// 020-TestCase-2.cpp:18: passed: Factorial(2) == 2 for: 2 == 2
// 020-TestCase-2.cpp:19: passed: Factorial(3) == 6 for: 6 == 6
// 020-TestCase-2.cpp:20: passed: Factorial(10) == 3628800 for: 3628800 (0x375f00) == 3628800 (0x375f00)
// Failed 1 test case, failed 1 assertion.

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libs/Catch2/examples/030-Asn-Require-Check.cpp Normal file
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// 030-Asn-Require-Check.cpp
// Catch has two natural expression assertion macro's:
// - REQUIRE() stops at first failure.
// - CHECK() continues after failure.
// There are two variants to support decomposing negated expressions:
// - REQUIRE_FALSE() stops at first failure.
// - CHECK_FALSE() continues after failure.
// main() provided in 000-CatchMain.cpp
#include <catch2/catch.hpp>
std::string one() {
return "1";
}
TEST_CASE( "Assert that something is true (pass)", "[require]" ) {
REQUIRE( one() == "1" );
}
TEST_CASE( "Assert that something is true (fail)", "[require]" ) {
REQUIRE( one() == "x" );
}
TEST_CASE( "Assert that something is true (stop at first failure)", "[require]" ) {
WARN( "REQUIRE stops at first failure:" );
REQUIRE( one() == "x" );
REQUIRE( one() == "1" );
}
TEST_CASE( "Assert that something is true (continue after failure)", "[check]" ) {
WARN( "CHECK continues after failure:" );
CHECK( one() == "x" );
REQUIRE( one() == "1" );
}
TEST_CASE( "Assert that something is false (stops at first failure)", "[require-false]" ) {
WARN( "REQUIRE_FALSE stops at first failure:" );
REQUIRE_FALSE( one() == "1" );
REQUIRE_FALSE( one() != "1" );
}
TEST_CASE( "Assert that something is false (continue after failure)", "[check-false]" ) {
WARN( "CHECK_FALSE continues after failure:" );
CHECK_FALSE( one() == "1" );
REQUIRE_FALSE( one() != "1" );
}
// Compile & run:
// - g++ -std=c++11 -Wall -I$(CATCH_SINGLE_INCLUDE) -o 030-Asn-Require-Check 030-Asn-Require-Check.cpp 000-CatchMain.o && 030-Asn-Require-Check --success
// - cl -EHsc -I%CATCH_SINGLE_INCLUDE% 030-Asn-Require-Check.cpp 000-CatchMain.obj && 030-Asn-Require-Check --success
// Expected compact output (all assertions):
//
// prompt> 030-Asn-Require-Check.exe --reporter compact --success
// 030-Asn-Require-Check.cpp:20: passed: one() == "1" for: "1" == "1"
// 030-Asn-Require-Check.cpp:24: failed: one() == "x" for: "1" == "x"
// 030-Asn-Require-Check.cpp:28: warning: 'REQUIRE stops at first failure:'
// 030-Asn-Require-Check.cpp:30: failed: one() == "x" for: "1" == "x"
// 030-Asn-Require-Check.cpp:35: warning: 'CHECK continues after failure:'
// 030-Asn-Require-Check.cpp:37: failed: one() == "x" for: "1" == "x"
// 030-Asn-Require-Check.cpp:38: passed: one() == "1" for: "1" == "1"
// 030-Asn-Require-Check.cpp:42: warning: 'REQUIRE_FALSE stops at first failure:'
// 030-Asn-Require-Check.cpp:44: failed: !(one() == "1") for: !("1" == "1")
// 030-Asn-Require-Check.cpp:49: warning: 'CHECK_FALSE continues after failure:'
// 030-Asn-Require-Check.cpp:51: failed: !(one() == "1") for: !("1" == "1")
// 030-Asn-Require-Check.cpp:52: passed: !(one() != "1") for: !("1" != "1")
// Failed 5 test cases, failed 5 assertions.

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libs/Catch2/examples/100-Fix-Section.cpp Normal file
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// 100-Fix-Section.cpp
// Catch has two ways to express fixtures:
// - Sections (this file)
// - Traditional class-based fixtures
// main() provided in 000-CatchMain.cpp
#include <catch2/catch.hpp>
TEST_CASE( "vectors can be sized and resized", "[vector]" ) {
// For each section, vector v is anew:
std::vector<int> v( 5 );
REQUIRE( v.size() == 5 );
REQUIRE( v.capacity() >= 5 );
SECTION( "resizing bigger changes size and capacity" ) {
v.resize( 10 );
REQUIRE( v.size() == 10 );
REQUIRE( v.capacity() >= 10 );
}
SECTION( "resizing smaller changes size but not capacity" ) {
v.resize( 0 );
REQUIRE( v.size() == 0 );
REQUIRE( v.capacity() >= 5 );
}
SECTION( "reserving bigger changes capacity but not size" ) {
v.reserve( 10 );
REQUIRE( v.size() == 5 );
REQUIRE( v.capacity() >= 10 );
}
SECTION( "reserving smaller does not change size or capacity" ) {
v.reserve( 0 );
REQUIRE( v.size() == 5 );
REQUIRE( v.capacity() >= 5 );
}
}
// Compile & run:
// - g++ -std=c++11 -Wall -I$(CATCH_SINGLE_INCLUDE) -o 100-Fix-Section 100-Fix-Section.cpp 000-CatchMain.o && 100-Fix-Section --success
// - cl -EHsc -I%CATCH_SINGLE_INCLUDE% 100-Fix-Section.cpp 000-CatchMain.obj && 100-Fix-Section --success
// Expected compact output (all assertions):
//
// prompt> 100-Fix-Section.exe --reporter compact --success
// 100-Fix-Section.cpp:17: passed: v.size() == 5 for: 5 == 5
// 100-Fix-Section.cpp:18: passed: v.capacity() >= 5 for: 5 >= 5
// 100-Fix-Section.cpp:23: passed: v.size() == 10 for: 10 == 10
// 100-Fix-Section.cpp:24: passed: v.capacity() >= 10 for: 10 >= 10
// 100-Fix-Section.cpp:17: passed: v.size() == 5 for: 5 == 5
// 100-Fix-Section.cpp:18: passed: v.capacity() >= 5 for: 5 >= 5
// 100-Fix-Section.cpp:29: passed: v.size() == 0 for: 0 == 0
// 100-Fix-Section.cpp:30: passed: v.capacity() >= 5 for: 5 >= 5
// 100-Fix-Section.cpp:17: passed: v.size() == 5 for: 5 == 5
// 100-Fix-Section.cpp:18: passed: v.capacity() >= 5 for: 5 >= 5
// 100-Fix-Section.cpp:35: passed: v.size() == 5 for: 5 == 5
// 100-Fix-Section.cpp:36: passed: v.capacity() >= 10 for: 10 >= 10
// 100-Fix-Section.cpp:17: passed: v.size() == 5 for: 5 == 5
// 100-Fix-Section.cpp:18: passed: v.capacity() >= 5 for: 5 >= 5
// 100-Fix-Section.cpp:41: passed: v.size() == 5 for: 5 == 5
// 100-Fix-Section.cpp:42: passed: v.capacity() >= 5 for: 5 >= 5
// Passed 1 test case with 16 assertions.

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libs/Catch2/examples/110-Fix-ClassFixture.cpp Normal file
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// 110-Fix-ClassFixture.cpp
// Catch has two ways to express fixtures:
// - Sections
// - Traditional class-based fixtures (this file)
// main() provided in 000-CatchMain.cpp
#include <catch2/catch.hpp>
class DBConnection
{
public:
static DBConnection createConnection( std::string const & /*dbName*/ ) {
return DBConnection();
}
bool executeSQL( std::string const & /*query*/, int const /*id*/, std::string const & arg ) {
if ( arg.length() == 0 ) {
throw std::logic_error("empty SQL query argument");
}
return true; // ok
}
};
class UniqueTestsFixture
{
protected:
UniqueTestsFixture()
: conn( DBConnection::createConnection( "myDB" ) )
{}
int getID() {
return ++uniqueID;
}
protected:
DBConnection conn;
private:
static int uniqueID;
};
int UniqueTestsFixture::uniqueID = 0;
TEST_CASE_METHOD( UniqueTestsFixture, "Create Employee/No Name", "[create]" ) {
REQUIRE_THROWS( conn.executeSQL( "INSERT INTO employee (id, name) VALUES (?, ?)", getID(), "") );
}
TEST_CASE_METHOD( UniqueTestsFixture, "Create Employee/Normal", "[create]" ) {
REQUIRE( conn.executeSQL( "INSERT INTO employee (id, name) VALUES (?, ?)", getID(), "Joe Bloggs" ) );
}
// Compile & run:
// - g++ -std=c++11 -Wall -I$(CATCH_SINGLE_INCLUDE) -o 110-Fix-ClassFixture 110-Fix-ClassFixture.cpp 000-CatchMain.o && 110-Fix-ClassFixture --success
// - cl -EHsc -I%CATCH_SINGLE_INCLUDE% 110-Fix-ClassFixture.cpp 000-CatchMain.obj && 110-Fix-ClassFixture --success
// Expected compact output (all assertions):
//
// prompt> 110-Fix-ClassFixture.exe --reporter compact --success
// 110-Fix-ClassFixture.cpp:47: passed: conn.executeSQL( "INSERT INTO employee (id, name) VALUES (?, ?)", getID(), "")
// 110-Fix-ClassFixture.cpp:51: passed: conn.executeSQL( "INSERT INTO employee (id, name) VALUES (?, ?)", getID(), "Joe Bloggs" ) for: true
// Passed both 2 test cases with 2 assertions.

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libs/Catch2/examples/120-Bdd-ScenarioGivenWhenThen.cpp Normal file
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// 120-Bdd-ScenarioGivenWhenThen.cpp
// main() provided in 000-CatchMain.cpp
#include <catch2/catch.hpp>
SCENARIO( "vectors can be sized and resized", "[vector]" ) {
GIVEN( "A vector with some items" ) {
std::vector<int> v( 5 );
REQUIRE( v.size() == 5 );
REQUIRE( v.capacity() >= 5 );
WHEN( "the size is increased" ) {
v.resize( 10 );
THEN( "the size and capacity change" ) {
REQUIRE( v.size() == 10 );
REQUIRE( v.capacity() >= 10 );
}
}
WHEN( "the size is reduced" ) {
v.resize( 0 );
THEN( "the size changes but not capacity" ) {
REQUIRE( v.size() == 0 );
REQUIRE( v.capacity() >= 5 );
}
}
WHEN( "more capacity is reserved" ) {
v.reserve( 10 );
THEN( "the capacity changes but not the size" ) {
REQUIRE( v.size() == 5 );
REQUIRE( v.capacity() >= 10 );
}
}
WHEN( "less capacity is reserved" ) {
v.reserve( 0 );
THEN( "neither size nor capacity are changed" ) {
REQUIRE( v.size() == 5 );
REQUIRE( v.capacity() >= 5 );
}
}
}
}
// Compile & run:
// - g++ -std=c++11 -Wall -I$(CATCH_SINGLE_INCLUDE) -o 120-Bdd-ScenarioGivenWhenThen 120-Bdd-ScenarioGivenWhenThen.cpp 000-CatchMain.o && 120-Bdd-ScenarioGivenWhenThen --success
// - cl -EHsc -I%CATCH_SINGLE_INCLUDE% 120-Bdd-ScenarioGivenWhenThen.cpp 000-CatchMain.obj && 120-Bdd-ScenarioGivenWhenThen --success
// Expected compact output (all assertions):
//
// prompt> 120-Bdd-ScenarioGivenWhenThen.exe --reporter compact --success
// 120-Bdd-ScenarioGivenWhenThen.cpp:12: passed: v.size() == 5 for: 5 == 5
// 120-Bdd-ScenarioGivenWhenThen.cpp:13: passed: v.capacity() >= 5 for: 5 >= 5
// 120-Bdd-ScenarioGivenWhenThen.cpp:19: passed: v.size() == 10 for: 10 == 10
// 120-Bdd-ScenarioGivenWhenThen.cpp:20: passed: v.capacity() >= 10 for: 10 >= 10
// 120-Bdd-ScenarioGivenWhenThen.cpp:12: passed: v.size() == 5 for: 5 == 5
// 120-Bdd-ScenarioGivenWhenThen.cpp:13: passed: v.capacity() >= 5 for: 5 >= 5
// 120-Bdd-ScenarioGivenWhenThen.cpp:27: passed: v.size() == 0 for: 0 == 0
// 120-Bdd-ScenarioGivenWhenThen.cpp:28: passed: v.capacity() >= 5 for: 5 >= 5
// 120-Bdd-ScenarioGivenWhenThen.cpp:12: passed: v.size() == 5 for: 5 == 5
// 120-Bdd-ScenarioGivenWhenThen.cpp:13: passed: v.capacity() >= 5 for: 5 >= 5
// 120-Bdd-ScenarioGivenWhenThen.cpp:35: passed: v.size() == 5 for: 5 == 5
// 120-Bdd-ScenarioGivenWhenThen.cpp:36: passed: v.capacity() >= 10 for: 10 >= 10
// 120-Bdd-ScenarioGivenWhenThen.cpp:12: passed: v.size() == 5 for: 5 == 5
// 120-Bdd-ScenarioGivenWhenThen.cpp:13: passed: v.capacity() >= 5 for: 5 >= 5
// 120-Bdd-ScenarioGivenWhenThen.cpp:43: passed: v.size() == 5 for: 5 == 5
// 120-Bdd-ScenarioGivenWhenThen.cpp:44: passed: v.capacity() >= 5 for: 5 >= 5
// Passed 1 test case with 16 assertions.

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libs/Catch2/examples/200-Rpt-CatchMain.cpp Normal file
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// 200-Rpt-CatchMain.cpp
// In a Catch project with multiple files, dedicate one file to compile the
// source code of Catch itself and reuse the resulting object file for linking.
// Let Catch provide main():
#define CATCH_CONFIG_MAIN
#include <catch2/catch.hpp>
#ifdef CATCH_EXAMPLE_RPT_1
#include CATCH_EXAMPLE_RPT_1
#endif
#ifdef CATCH_EXAMPLE_RPT_2
#include CATCH_EXAMPLE_RPT_2
#endif
#ifdef CATCH_EXAMPLE_RPT_3
#include CATCH_EXAMPLE_RPT_3
#endif
// That's it
// Compile implementation of Catch for use with files that do contain tests:
// - g++ -std=c++11 -Wall -I$(CATCH_ROOT) -DCATCH_EXAMPLE_RPT_1=\"include/reporters/catch_reporter_teamcity.hpp\" -o 200-Rpt-CatchMainTeamCity.o -c 200-Rpt-CatchMain.cpp
// cl -EHsc -I%CATCH_ROOT% -DCATCH_EXAMPLE_RPT_1=\"include/reporters/catch_reporter_teamcity.hpp\" -Fo200-Rpt-CatchMainTeamCity.obj -c 200-Rpt-CatchMain.cpp

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libs/Catch2/examples/207-Rpt-TeamCityReporter.cpp Normal file
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// 207-Rpt-TeamCityReporter.cpp
// Catch has built-in and external reporters:
// Built-in:
// - compact
// - console
// - junit
// - xml
// External:
// - automake
// - tap
// - teamcity (this example)
// main() and reporter code provided in 200-Rpt-CatchMain.cpp
#include <catch2/catch.hpp>
#ifdef _MSC_VER
# pragma warning (disable : 4702) // Disable warning: unreachable code
#endif
TEST_CASE( "TeamCity passes unconditionally succeeding assertion", "[teamcity]" ) {
SUCCEED();
}
TEST_CASE( "TeamCity reports unconditionally failing assertion", "[teamcity]" ) {
FAIL();
}
TEST_CASE( "TeamCity reports failing check", "[teamcity]" ) {
REQUIRE( 3 == 7 );
}
TEST_CASE( "TeamCity reports failing check-false", "[teamcity]" ) {
REQUIRE_FALSE( 3 == 3 );
}
TEST_CASE( "TeamCity reports failing check-that", "[teamcity]" ) {
using namespace Catch;
REQUIRE_THAT( "hello", Contains( "world" ) );
}
TEST_CASE( "TeamCity reports unexpected exception", "[teamcity]" ) {
REQUIRE( (throw std::runtime_error("surprise!"), true) );
}
TEST_CASE( "TeamCity reports undesired exception", "[teamcity]" ) {
REQUIRE_NOTHROW( (throw std::runtime_error("surprise!"), true) );
}
TEST_CASE( "TeamCity reports missing expected exception", "[teamcity]" ) {
REQUIRE_THROWS( true );
}
TEST_CASE( "TeamCity reports missing specific expected exception", "[teamcity]" ) {
REQUIRE_THROWS_AS( throw std::bad_alloc(), std::runtime_error );
}
TEST_CASE( "TeamCity reports unexpected message in expected exception", "[teamcity]" ) {
using namespace Catch;
CHECK_THROWS_WITH( throw std::runtime_error("hello"), "world" );
CHECK_THROWS_WITH( throw std::runtime_error("hello"), Contains("world") );
}
struct MyException: public std::runtime_error
{
MyException( char const * text )
: std::runtime_error( text ) {}
~MyException() override;
};
// prevent -Wweak-vtables:
MyException::~MyException() = default;
struct MyExceptionMatcher : Catch::MatcherBase< std::runtime_error >
{
std::string m_text;
MyExceptionMatcher( char const * text )
: m_text( text )
{}
~MyExceptionMatcher() override;
bool match( std::runtime_error const & arg ) const override
{
return m_text == arg.what() ;
}
std::string describe() const override
{
return "it's me";
}
};
// prevent -Wweak-vtables:
MyExceptionMatcher::~MyExceptionMatcher() = default;
TEST_CASE( "TeamCity failing check-throws-matches", "[teamcity]" ) {
CHECK_THROWS_MATCHES( throw MyException("hello"), MyException, MyExceptionMatcher("world") );
}
// [!throws] - lets Catch know that this test is likely to throw an exception even if successful.
// This causes the test to be excluded when running with -e or --nothrow.
// No special effects for the reporter.
TEST_CASE( "TeamCity throwing exception with tag [!throws]", "[teamcity][!throws]" ) {
REQUIRE_THROWS( throw std::runtime_error("unsurprisingly") );
}
// [!mayfail] - doesn't fail the test if any given assertion fails (but still reports it). This can be useful to flag a work-in-progress, or a known issue that you don't want to immediately fix but still want to track in your tests.
TEST_CASE( "TeamCity failing assertion with tag [!mayfail]", "[teamcity][!mayfail] " ) {
REQUIRE( 3 == 7 ); // doesn't fail test case this time, reports: testIgnored
REQUIRE( 3 == 3 );
}
// [!shouldfail] - like [!mayfail] but fails the test if it passes.
// This can be useful if you want to be notified of accidental, or third-party, fixes.
TEST_CASE( "TeamCity succeeding assertion with tag [!shouldfail]", "[teamcity][!shouldfail]" ) {
SUCCEED( "Marked [!shouldfail]" );
}
// Compile & run:
// - g++ -std=c++11 -Wall -I$(CATCH_ROOT) -DCATCH_EXAMPLE_RPT_1=\"include/reporters/catch_reporter_teamcity.hpp\" -o 200-Rpt-CatchMainTeamCity.o -c 200-Rpt-CatchMain.cpp
// - g++ -std=c++11 -Wall -I$(CATCH_ROOT) -o 207-Rpt-TeamCityReporter 207-Rpt-TeamCityReporter.cpp 200-Rpt-CatchMainTeamCity.o && 207-Rpt-TeamCityReporter --list-reporters
//
// - cl -EHsc -I%CATCH_ROOT% -DCATCH_EXAMPLE_RPT_1=\"include/reporters/catch_reporter_teamcity.hpp\" -Fo200-Rpt-CatchMainTeamCity.obj -c 200-Rpt-CatchMain.cpp
// - cl -EHsc -I%CATCH_ROOT% 207-Rpt-TeamCityReporter.cpp 200-Rpt-CatchMainTeamCity.o && 207-Rpt-TeamCityReporter --list-reporters
// Compilation output (--list-reporters):
// Available reporters:
// compact: Reports test results on a single line, suitable for IDEs
// console: Reports test results as plain lines of text
// junit: Reports test results in an XML format that looks like Ant's
// junitreport target
// teamcity: Reports test results as TeamCity service messages
// xml: Reports test results as an XML document
// Expected output (abbreviated and broken into shorter lines):
//
// prompt> 207-Rpt-TeamCityReporter.exe --reporter teamcity
// ##teamcity[testSuiteStarted name='207-Rpt-TeamCityReporter.exe']
// ##teamcity[testStarted name='TeamCity passes unconditionally succeeding assertion']
// ##teamcity[testFinished name='TeamCity passes unconditionally succeeding assertion' duration='1']
// ##teamcity[testStarted name='TeamCity reports unconditionally failing assertion']
// ##teamcity[testFailed name='TeamCity reports unconditionally failing assertion' /
// message='.../examples/207-Rpt-TeamCityReporter.cpp:23|n/
// ...............................................................................|n|n/
// .../examples/207-Rpt-TeamCityReporter.cpp:25|nexplicit failure']
// ##teamcity[testFinished name='TeamCity reports unconditionally failing assertion' duration='3']
// ...

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libs/Catch2/examples/210-Evt-EventListeners.cpp Normal file
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// 210-Evt-EventListeners.cpp
// Contents:
// 1. Printing of listener data
// 2. My listener and registration
// 3. Test cases
// main() provided in 000-CatchMain.cpp
// Let Catch provide the required interfaces:
#define CATCH_CONFIG_EXTERNAL_INTERFACES
#include <catch2/catch.hpp>
#include <iostream>
// -----------------------------------------------------------------------
// 1. Printing of listener data:
//
std::string ws(int const level) {
return std::string( 2 * level, ' ' );
}
template< typename T >
std::ostream& operator<<( std::ostream& os, std::vector<T> const& v ) {
os << "{ ";
for ( const auto& x : v )
os << x << ", ";
return os << "}";
}
// struct SourceLineInfo {
// char const* file;
// std::size_t line;
// };
void print( std::ostream& os, int const level, std::string const& title, Catch::SourceLineInfo const& info ) {
os << ws(level ) << title << ":\n"
<< ws(level+1) << "- file: " << info.file << "\n"
<< ws(level+1) << "- line: " << info.line << "\n";
}
//struct MessageInfo {
// std::string macroName;
// std::string message;
// SourceLineInfo lineInfo;
// ResultWas::OfType type;
// unsigned int sequence;
//};
void print( std::ostream& os, int const level, Catch::MessageInfo const& info ) {
os << ws(level+1) << "- macroName: '" << info.macroName << "'\n"
<< ws(level+1) << "- message '" << info.message << "'\n";
print( os,level+1 , "- lineInfo", info.lineInfo );
os << ws(level+1) << "- sequence " << info.sequence << "\n";
}
void print( std::ostream& os, int const level, std::string const& title, std::vector<Catch::MessageInfo> const& v ) {
os << ws(level ) << title << ":\n";
for ( const auto& x : v )
{
os << ws(level+1) << "{\n";
print( os, level+2, x );
os << ws(level+1) << "}\n";
}
// os << ws(level+1) << "\n";
}
// struct TestRunInfo {
// std::string name;
// };
void print( std::ostream& os, int const level, std::string const& title, Catch::TestRunInfo const& info ) {
os << ws(level ) << title << ":\n"
<< ws(level+1) << "- name: " << info.name << "\n";
}
// struct Counts {
// std::size_t total() const;
// bool allPassed() const;
// bool allOk() const;
//
// std::size_t passed = 0;
// std::size_t failed = 0;
// std::size_t failedButOk = 0;
// };
void print( std::ostream& os, int const level, std::string const& title, Catch::Counts const& info ) {
os << ws(level ) << title << ":\n"
<< ws(level+1) << "- total(): " << info.total() << "\n"
<< ws(level+1) << "- allPassed(): " << info.allPassed() << "\n"
<< ws(level+1) << "- allOk(): " << info.allOk() << "\n"
<< ws(level+1) << "- passed: " << info.passed << "\n"
<< ws(level+1) << "- failed: " << info.failed << "\n"
<< ws(level+1) << "- failedButOk: " << info.failedButOk << "\n";
}
// struct Totals {
// Counts assertions;
// Counts testCases;
// };
void print( std::ostream& os, int const level, std::string const& title, Catch::Totals const& info ) {
os << ws(level) << title << ":\n";
print( os, level+1, "- assertions", info.assertions );
print( os, level+1, "- testCases" , info.testCases );
}
// struct TestRunStats {
// TestRunInfo runInfo;
// Totals totals;
// bool aborting;
// };
void print( std::ostream& os, int const level, std::string const& title, Catch::TestRunStats const& info ) {
os << ws(level) << title << ":\n";
print( os, level+1 , "- runInfo", info.runInfo );
print( os, level+1 , "- totals" , info.totals );
os << ws(level+1) << "- aborting: " << info.aborting << "\n";
}
// struct TestCaseInfo {
// enum SpecialProperties{
// None = 0,
// IsHidden = 1 << 1,
// ShouldFail = 1 << 2,
// MayFail = 1 << 3,
// Throws = 1 << 4,
// NonPortable = 1 << 5,
// Benchmark = 1 << 6
// };
//
// bool isHidden() const;
// bool throws() const;
// bool okToFail() const;
// bool expectedToFail() const;
//
// std::string tagsAsString() const;
//
// std::string name;
// std::string className;
// std::string description;
// std::vector<std::string> tags;
// std::vector<std::string> lcaseTags;
// SourceLineInfo lineInfo;
// SpecialProperties properties;
// };
void print( std::ostream& os, int const level, std::string const& title, Catch::TestCaseInfo const& info ) {
os << ws(level ) << title << ":\n"
<< ws(level+1) << "- isHidden(): " << info.isHidden() << "\n"
<< ws(level+1) << "- throws(): " << info.throws() << "\n"
<< ws(level+1) << "- okToFail(): " << info.okToFail() << "\n"
<< ws(level+1) << "- expectedToFail(): " << info.expectedToFail() << "\n"
<< ws(level+1) << "- tagsAsString(): '" << info.tagsAsString() << "'\n"
<< ws(level+1) << "- name: '" << info.name << "'\n"
<< ws(level+1) << "- className: '" << info.className << "'\n"
<< ws(level+1) << "- description: '" << info.description << "'\n"
<< ws(level+1) << "- tags: " << info.tags << "\n"
<< ws(level+1) << "- lcaseTags: " << info.lcaseTags << "\n";
print( os, level+1 , "- lineInfo", info.lineInfo );
os << ws(level+1) << "- properties (flags): 0x" << std::hex << info.properties << std::dec << "\n";
}
// struct TestCaseStats {
// TestCaseInfo testInfo;
// Totals totals;
// std::string stdOut;
// std::string stdErr;
// bool aborting;
// };
void print( std::ostream& os, int const level, std::string const& title, Catch::TestCaseStats const& info ) {
os << ws(level ) << title << ":\n";
print( os, level+1 , "- testInfo", info.testInfo );
print( os, level+1 , "- totals" , info.totals );
os << ws(level+1) << "- stdOut: " << info.stdOut << "\n"
<< ws(level+1) << "- stdErr: " << info.stdErr << "\n"
<< ws(level+1) << "- aborting: " << info.aborting << "\n";
}
// struct SectionInfo {
// std::string name;
// std::string description;
// SourceLineInfo lineInfo;
// };
void print( std::ostream& os, int const level, std::string const& title, Catch::SectionInfo const& info ) {
os << ws(level ) << title << ":\n"
<< ws(level+1) << "- name: " << info.name << "\n";
print( os, level+1 , "- lineInfo", info.lineInfo );
}
// struct SectionStats {
// SectionInfo sectionInfo;
// Counts assertions;
// double durationInSeconds;
// bool missingAssertions;
// };
void print( std::ostream& os, int const level, std::string const& title, Catch::SectionStats const& info ) {
os << ws(level ) << title << ":\n";
print( os, level+1 , "- sectionInfo", info.sectionInfo );
print( os, level+1 , "- assertions" , info.assertions );
os << ws(level+1) << "- durationInSeconds: " << info.durationInSeconds << "\n"
<< ws(level+1) << "- missingAssertions: " << info.missingAssertions << "\n";
}
// struct AssertionInfo
// {
// StringRef macroName;
// SourceLineInfo lineInfo;
// StringRef capturedExpression;
// ResultDisposition::Flags resultDisposition;
// };
void print( std::ostream& os, int const level, std::string const& title, Catch::AssertionInfo const& info ) {
os << ws(level ) << title << ":\n"
<< ws(level+1) << "- macroName: '" << info.macroName << "'\n";
print( os, level+1 , "- lineInfo" , info.lineInfo );
os << ws(level+1) << "- capturedExpression: '" << info.capturedExpression << "'\n"
<< ws(level+1) << "- resultDisposition (flags): 0x" << std::hex << info.resultDisposition << std::dec << "\n";
}
//struct AssertionResultData
//{
// std::string reconstructExpression() const;
//
// std::string message;
// mutable std::string reconstructedExpression;
// LazyExpression lazyExpression;
// ResultWas::OfType resultType;
//};
void print( std::ostream& os, int const level, std::string const& title, Catch::AssertionResultData const& info ) {
os << ws(level ) << title << ":\n"
<< ws(level+1) << "- reconstructExpression(): '" << info.reconstructExpression() << "'\n"
<< ws(level+1) << "- message: '" << info.message << "'\n"
<< ws(level+1) << "- lazyExpression: '" << "(info.lazyExpression)" << "'\n"
<< ws(level+1) << "- resultType: '" << info.resultType << "'\n";
}
//class AssertionResult {
// bool isOk() const;
// bool succeeded() const;
// ResultWas::OfType getResultType() const;
// bool hasExpression() const;
// bool hasMessage() const;
// std::string getExpression() const;
// std::string getExpressionInMacro() const;
// bool hasExpandedExpression() const;
// std::string getExpandedExpression() const;
// std::string getMessage() const;
// SourceLineInfo getSourceInfo() const;
// std::string getTestMacroName() const;
//
// AssertionInfo m_info;
// AssertionResultData m_resultData;
//};
void print( std::ostream& os, int const level, std::string const& title, Catch::AssertionResult const& info ) {
os << ws(level ) << title << ":\n"
<< ws(level+1) << "- isOk(): " << info.isOk() << "\n"
<< ws(level+1) << "- succeeded(): " << info.succeeded() << "\n"
<< ws(level+1) << "- getResultType(): " << info.getResultType() << "\n"
<< ws(level+1) << "- hasExpression(): " << info.hasExpression() << "\n"
<< ws(level+1) << "- hasMessage(): " << info.hasMessage() << "\n"
<< ws(level+1) << "- getExpression(): '" << info.getExpression() << "'\n"
<< ws(level+1) << "- getExpressionInMacro(): '" << info.getExpressionInMacro() << "'\n"
<< ws(level+1) << "- hasExpandedExpression(): " << info.hasExpandedExpression() << "\n"
<< ws(level+1) << "- getExpandedExpression(): " << info.getExpandedExpression() << "'\n"
<< ws(level+1) << "- getMessage(): '" << info.getMessage() << "'\n";
print( os, level+1 , "- getSourceInfo(): ", info.getSourceInfo() );
os << ws(level+1) << "- getTestMacroName(): '" << info.getTestMacroName() << "'\n";
// print( os, level+1 , "- *** m_info (AssertionInfo)", info.m_info );
// print( os, level+1 , "- *** m_resultData (AssertionResultData)", info.m_resultData );
}
// struct AssertionStats {
// AssertionResult assertionResult;
// std::vector<MessageInfo> infoMessages;
// Totals totals;
// };
void print( std::ostream& os, int const level, std::string const& title, Catch::AssertionStats const& info ) {
os << ws(level ) << title << ":\n";
print( os, level+1 , "- assertionResult", info.assertionResult );
print( os, level+1 , "- infoMessages", info.infoMessages );
print( os, level+1 , "- totals", info.totals );
}
// -----------------------------------------------------------------------
// 2. My listener and registration:
//
char const * dashed_line =
"--------------------------------------------------------------------------";
struct MyListener : Catch::TestEventListenerBase {
using TestEventListenerBase::TestEventListenerBase; // inherit constructor
// Get rid of Wweak-tables
~MyListener();
// The whole test run starting
void testRunStarting( Catch::TestRunInfo const& testRunInfo ) override {
std::cout
<< std::boolalpha
<< "\nEvent: testRunStarting:\n";
print( std::cout, 1, "- testRunInfo", testRunInfo );
}
// The whole test run ending
void testRunEnded( Catch::TestRunStats const& testRunStats ) override {
std::cout
<< dashed_line
<< "\nEvent: testRunEnded:\n";
print( std::cout, 1, "- testRunStats", testRunStats );
}
// A test is being skipped (because it is "hidden")
void skipTest( Catch::TestCaseInfo const& testInfo ) override {
std::cout
<< dashed_line
<< "\nEvent: skipTest:\n";
print( std::cout, 1, "- testInfo", testInfo );
}
// Test cases starting
void testCaseStarting( Catch::TestCaseInfo const& testInfo ) override {
std::cout
<< dashed_line
<< "\nEvent: testCaseStarting:\n";
print( std::cout, 1, "- testInfo", testInfo );
}
// Test cases ending
void testCaseEnded( Catch::TestCaseStats const& testCaseStats ) override {
std::cout << "\nEvent: testCaseEnded:\n";
print( std::cout, 1, "testCaseStats", testCaseStats );
}
// Sections starting
void sectionStarting( Catch::SectionInfo const& sectionInfo ) override {
std::cout << "\nEvent: sectionStarting:\n";
print( std::cout, 1, "- sectionInfo", sectionInfo );
}
// Sections ending
void sectionEnded( Catch::SectionStats const& sectionStats ) override {
std::cout << "\nEvent: sectionEnded:\n";
print( std::cout, 1, "- sectionStats", sectionStats );
}
// Assertions before/ after
void assertionStarting( Catch::AssertionInfo const& assertionInfo ) override {
std::cout << "\nEvent: assertionStarting:\n";
print( std::cout, 1, "- assertionInfo", assertionInfo );
}
bool assertionEnded( Catch::AssertionStats const& assertionStats ) override {
std::cout << "\nEvent: assertionEnded:\n";
print( std::cout, 1, "- assertionStats", assertionStats );
return true;
}
};
CATCH_REGISTER_LISTENER( MyListener )
// Get rid of Wweak-tables
MyListener::~MyListener() {}
// -----------------------------------------------------------------------
// 3. Test cases:
//
TEST_CASE( "1: Hidden testcase", "[.hidden]" ) {
}
TEST_CASE( "2: Testcase with sections", "[tag-A][tag-B]" ) {
int i = 42;
REQUIRE( i == 42 );
SECTION("Section 1") {
INFO("Section 1");
i = 7;
SECTION("Section 1.1") {
INFO("Section 1.1");
REQUIRE( i == 42 );
}
}
SECTION("Section 2") {
INFO("Section 2");
REQUIRE( i == 42 );
}
WARN("At end of test case");
}
struct Fixture {
int fortytwo() const {
return 42;
}
};
TEST_CASE_METHOD( Fixture, "3: Testcase with class-based fixture", "[tag-C][tag-D]" ) {
REQUIRE( fortytwo() == 42 );
}
// Compile & run:
// - g++ -std=c++11 -Wall -I$(CATCH_SINGLE_INCLUDE) -o 210-Evt-EventListeners 210-Evt-EventListeners.cpp 000-CatchMain.o && 210-Evt-EventListeners --success
// - cl -EHsc -I%CATCH_SINGLE_INCLUDE% 210-Evt-EventListeners.cpp 000-CatchMain.obj && 210-Evt-EventListeners --success
// Expected compact output (all assertions):
//
// prompt> 210-Evt-EventListeners --reporter compact --success
// result omitted for brevity.

56
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// 231-Cfg-OutputStreams.cpp
// Show how to replace the streams with a simple custom made streambuf.
// Note that this reimplementation _does not_ follow `std::cerr`
// semantic, because it buffers the output. For most uses however,
// there is no important difference between having `std::cerr` buffered
// or unbuffered.
#define CATCH_CONFIG_NOSTDOUT
#define CATCH_CONFIG_MAIN
#include <catch2/catch.hpp>
class out_buff : public std::stringbuf {
std::FILE* m_stream;
public:
out_buff(std::FILE* stream):m_stream(stream) {}
~out_buff();
int sync() override {
int ret = 0;
for (unsigned char c : str()) {
if (putc(c, m_stream) == EOF) {
ret = -1;
break;
}
}
// Reset the buffer to avoid printing it multiple times
str("");
return ret;
}
};
out_buff::~out_buff() { pubsync(); }
#if defined(__clang__)
#pragma clang diagnostic ignored "-Wexit-time-destructors" // static variables in cout/cerr/clog
#endif
namespace Catch {
std::ostream& cout() {
static std::ostream ret(new out_buff(stdout));
return ret;
}
std::ostream& clog() {
static std::ostream ret(new out_buff(stderr));
return ret;
}
std::ostream& cerr() {
return clog();
}
}
TEST_CASE("This binary uses putc to write out output", "[compilation-only]") {
SUCCEED("Nothing to test.");
}

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// 300-Gen-OwnGenerator.cpp
// Shows how to define a custom generator.
// Specifically we will implement a random number generator for integers
// It will have infinite capacity and settable lower/upper bound
#include <catch2/catch.hpp>
#include <random>
// This class shows how to implement a simple generator for Catch tests
class RandomIntGenerator : public Catch::Generators::IGenerator<int> {
std::minstd_rand m_rand;
std::uniform_int_distribution<> m_dist;
int current_number;
public:
RandomIntGenerator(int low, int high):
m_rand(std::random_device{}()),
m_dist(low, high)
{
static_cast<void>(next());
}
int const& get() const override;
bool next() override {
current_number = m_dist(m_rand);
return true;
}
};
// Avoids -Wweak-vtables
int const& RandomIntGenerator::get() const {
return current_number;
}
// This helper function provides a nicer UX when instantiating the generator
// Notice that it returns an instance of GeneratorWrapper<int>, which
// is a value-wrapper around std::unique_ptr<IGenerator<int>>.
Catch::Generators::GeneratorWrapper<int> random(int low, int high) {
return Catch::Generators::GeneratorWrapper<int>(std::unique_ptr<Catch::Generators::IGenerator<int>>(new RandomIntGenerator(low, high)));
}
// The two sections in this test case are equivalent, but the first one
// is much more readable/nicer to use
TEST_CASE("Generating random ints", "[example][generator]") {
SECTION("Nice UX") {
auto i = GENERATE(take(100, random(-100, 100)));
REQUIRE(i >= -100);
REQUIRE(i <= 100);
}
SECTION("Creating the random generator directly") {
auto i = GENERATE(take(100, GeneratorWrapper<int>(std::unique_ptr<IGenerator<int>>(new RandomIntGenerator(-100, 100)))));
REQUIRE(i >= -100);
REQUIRE(i <= 100);
}
}
// Compiling and running this file will result in 400 successful assertions

58
libs/Catch2/examples/301-Gen-MapTypeConversion.cpp Normal file
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// 301-Gen-MapTypeConversion.cpp
// Shows how to use map to modify generator's return type.
// Specifically we wrap a std::string returning generator with a generator
// that converts the strings using stoi, so the returned type is actually
// an int.
#include <catch2/catch.hpp>
#include <string>
#include <sstream>
// Returns a line from a stream. You could have it e.g. read lines from
// a file, but to avoid problems with paths in examples, we will use
// a fixed stringstream.
class LineGenerator : public Catch::Generators::IGenerator<std::string> {
std::string m_line;
std::stringstream m_stream;
public:
LineGenerator() {
m_stream.str("1\n2\n3\n4\n");
if (!next()) {
throw Catch::GeneratorException("Couldn't read a single line");
}
}
std::string const& get() const override;
bool next() override {
return !!std::getline(m_stream, m_line);
}
};
std::string const& LineGenerator::get() const {
return m_line;
}
// This helper function provides a nicer UX when instantiating the generator
// Notice that it returns an instance of GeneratorWrapper<std::string>, which
// is a value-wrapper around std::unique_ptr<IGenerator<std::string>>.
Catch::Generators::GeneratorWrapper<std::string> lines(std::string /* ignored for example */) {
return Catch::Generators::GeneratorWrapper<std::string>(
std::unique_ptr<Catch::Generators::IGenerator<std::string>>(
new LineGenerator()
)
);
}
TEST_CASE("filter can convert types inside the generator expression", "[example][generator]") {
auto num = GENERATE(map<int>([](std::string const& line) { return std::stoi(line); },
lines("fake-file")));
REQUIRE(num > 0);
}
// Compiling and running this file will result in 4 successful assertions

54
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// 302-Gen-Table.cpp
// Shows how to use table to run a test many times with different inputs. Lifted from examples on
// issue #850.
#include <catch2/catch.hpp>
#include <string>
struct TestSubject {
// this is the method we are going to test. It returns the length of the
// input string.
size_t GetLength( const std::string& input ) const { return input.size(); }
};
TEST_CASE("Table allows pre-computed test inputs and outputs", "[example][generator]") {
using std::make_tuple;
// do setup here as normal
TestSubject subj;
SECTION("This section is run for each row in the table") {
std::string test_input;
size_t expected_output;
std::tie( test_input, expected_output ) =
GENERATE( table<std::string, size_t>(
{ /* In this case one of the parameters to our test case is the
* expected output, but this is not required. There could be
* multiple expected values in the table, which can have any
* (fixed) number of columns.
*/
make_tuple( "one", 3 ),
make_tuple( "two", 3 ),
make_tuple( "three", 5 ),
make_tuple( "four", 4 ) } ) );
// run the test
auto result = subj.GetLength(test_input);
// capture the input data to go with the outputs.
CAPTURE(test_input);
// check it matches the pre-calculated data
REQUIRE(result == expected_output);
} // end section
}
/* Possible simplifications where less legacy toolchain support is needed:
*
* - With libstdc++6 or newer, the make_tuple() calls can be omitted
* (technically C++17 but does not require -std in GCC/Clang). See
* https://stackoverflow.com/questions/12436586/tuple-vector-and-initializer-list
*
* - In C++17 mode std::tie() and the preceeding variable delcarations can be
* replaced by structured bindings: auto [test_input, expected] = GENERATE(
* table<std::string, size_t>({ ...
*/
// Compiling and running this file will result in 4 successful assertions

33
libs/Catch2/examples/310-Gen-VariablesInGenerators.cpp Normal file
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// 310-Gen-VariablesInGenerator.cpp
// Shows how to use variables when creating generators.
// Note that using variables inside generators is dangerous and should
// be done only if you know what you are doing, because the generators
// _WILL_ outlive the variables -- thus they should be either captured
// by value directly, or copied by the generators during construction.
#include <catch2/catch.hpp>
TEST_CASE("Generate random doubles across different ranges",
"[generator][example][advanced]") {
// Workaround for old libstdc++
using record = std::tuple<double, double>;
// Set up 3 ranges to generate numbers from
auto r = GENERATE(table<double, double>({
record{3, 4},
record{-4, -3},
record{10, 1000}
}));
// This will not compile (intentionally), because it accesses a variable
// auto number = GENERATE(take(50, random(std::get<0>(r), std::get<1>(r))));
// GENERATE_COPY copies all variables mentioned inside the expression
// thus this will work.
auto number = GENERATE_COPY(take(50, random(std::get<0>(r), std::get<1>(r))));
REQUIRE(std::abs(number) > 0);
}
// Compiling and running this file will result in 150 successful assertions

41
libs/Catch2/examples/311-Gen-CustomCapture.cpp Normal file
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// 311-Gen-CustomCapture.cpp
// Shows how to provide custom capture list to the generator expression
// Note that using variables inside generators is dangerous and should
// be done only if you know what you are doing, because the generators
// _WILL_ outlive the variables. Also, even if you know what you are
// doing, you should probably use GENERATE_COPY or GENERATE_REF macros
// instead. However, if your use case requires having a
// per-variable custom capture list, this example shows how to achieve
// that.
#include <catch2/catch.hpp>
TEST_CASE("Generate random doubles across different ranges",
"[generator][example][advanced]") {
// Workaround for old libstdc++
using record = std::tuple<double, double>;
// Set up 3 ranges to generate numbers from
auto r1 = GENERATE(table<double, double>({
record{3, 4},
record{-4, -3},
record{10, 1000}
}));
auto r2(r1);
// This will take r1 by reference and r2 by value.
// Note that there are no advantages for doing so in this example,
// it is done only for expository purposes.
auto number = Catch::Generators::generate( "custom capture generator", CATCH_INTERNAL_LINEINFO,
[&r1, r2]{
using namespace Catch::Generators;
return makeGenerators(take(50, random(std::get<0>(r1), std::get<1>(r2))));
}
);
REQUIRE(std::abs(number) > 0);
}
// Compiling and running this file will result in 150 successful assertions

158
libs/Catch2/examples/CMakeLists.txt Normal file
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#
# Build examples.
#
# Requires CATCH_BUILD_EXAMPLES to be defined 'true', see ../CMakeLists.txt.
#
cmake_minimum_required( VERSION 3.0 )
project( CatchExamples CXX )
message( STATUS "Examples included" )
# define folders used:
set( EXAMPLES_DIR ${CATCH_DIR}/examples )
set( HEADER_DIR ${CATCH_DIR}/single_include )
set( REPORTER_HEADER_DIR ${CATCH_DIR}/include/reporters )
# single-file sources:
set( SOURCES_SINGLE_FILE
010-TestCase.cpp
231-Cfg-OutputStreams.cpp
)
# multiple-file modules:
set( SOURCES_020
020-TestCase-1.cpp
020-TestCase-2.cpp
)
# main for idiomatic test sources:
set( SOURCES_IDIOMATIC_MAIN
000-CatchMain.cpp
)
# sources to combine with 000-CatchMain.cpp:
set( SOURCES_IDIOMATIC_TESTS
030-Asn-Require-Check.cpp
100-Fix-Section.cpp
110-Fix-ClassFixture.cpp
120-Bdd-ScenarioGivenWhenThen.cpp
210-Evt-EventListeners.cpp
300-Gen-OwnGenerator.cpp
301-Gen-MapTypeConversion.cpp
302-Gen-Table.cpp
310-Gen-VariablesInGenerators.cpp
311-Gen-CustomCapture.cpp
)
# main-s for reporter-specific test sources:
set( SOURCES_REPORTERS_MAIN
200-Rpt-CatchMain.cpp
)
string( REPLACE ".cpp" "" BASENAMES_REPORTERS_MAIN 200-Rpt-CatchMain.cpp )
set( NAMES_REPORTERS TeamCity )
foreach( reporter ${NAMES_REPORTERS} )
list( APPEND SOURCES_SPECIFIC_REPORTERS_MAIN ${BASENAMES_REPORTERS_MAIN}${reporter}.cpp )
endforeach()
# sources to combine with 200-Rpt-CatchMain{Reporter}.cpp:
set( SOURCES_REPORTERS_TESTS
207-Rpt-TeamCityReporter.cpp
)
# check if all sources are listed, warn if not:
set( SOURCES_ALL
${SOURCES_020}
${SOURCES_SINGLE_FILE}
${SOURCES_IDIOMATIC_MAIN}
${SOURCES_IDIOMATIC_TESTS}
${SOURCES_REPORTERS_MAIN}
${SOURCES_REPORTERS_TESTS}
)
foreach( name ${SOURCES_ALL} )
list( APPEND SOURCES_ALL_PATH ${EXAMPLES_DIR}/${name} )
endforeach()
CheckFileList( SOURCES_ALL_PATH ${EXAMPLES_DIR} )
# create target names:
string( REPLACE ".cpp" "" BASENAMES_SINGLE_FILE "${SOURCES_SINGLE_FILE}" )
string( REPLACE ".cpp" "" BASENAMES_IDIOMATIC_TESTS "${SOURCES_IDIOMATIC_TESTS}" )
string( REPLACE ".cpp" "" BASENAMES_REPORTERS_TESTS "${SOURCES_REPORTERS_TESTS}" )
string( REPLACE ".cpp" "" BASENAMES_REPORTERS_MAIN "${SOURCES_REPORTERS_MAIN}" )
set( TARGETS_SINGLE_FILE ${BASENAMES_SINGLE_FILE} )
set( TARGETS_IDIOMATIC_TESTS ${BASENAMES_IDIOMATIC_TESTS} )
set( TARGETS_REPORTERS_TESTS ${BASENAMES_REPORTERS_TESTS} )
set( TARGETS_REPORTERS_MAIN ${BASENAMES_REPORTERS_MAIN} )
set( TARGETS_ALL
${TARGETS_SINGLE_FILE}
020-TestCase
${TARGETS_IDIOMATIC_TESTS} CatchMain
${TARGETS_REPORTERS_TESTS} CatchMainTeamCity
)
# define program targets:
add_library( CatchMain OBJECT ${EXAMPLES_DIR}/${SOURCES_IDIOMATIC_MAIN} ${HEADER_DIR}/catch2/catch.hpp )
#add_library( CatchMainAutomake OBJECT ${EXAMPLES_DIR}/200-Rpt-CatchMain.cpp ${HEADER_DIR}/catch2/catch.hpp )
#add_library( CatchMainTap OBJECT ${EXAMPLES_DIR}/200-Rpt-CatchMain.cpp ${HEADER_DIR}/catch2/catch.hpp )
add_library( CatchMainTeamCity OBJECT ${EXAMPLES_DIR}/200-Rpt-CatchMain.cpp ${HEADER_DIR}/catch2/catch.hpp )
#target_compile_definitions( CatchMainAutomake PRIVATE CATCH_EXAMPLE_RPT_1=\"include/reporters/catch_reporter_automake.hpp\" )
#target_compile_definitions( CatchMainTap PRIVATE CATCH_EXAMPLE_RPT_1=\"include/reporters/catch_reporter_tap.hpp\" )
target_compile_definitions( CatchMainTeamCity PRIVATE CATCH_EXAMPLE_RPT_1=\"include/reporters/catch_reporter_teamcity.hpp\" )
foreach( name ${TARGETS_SINGLE_FILE} )
add_executable( ${name} ${EXAMPLES_DIR}/${name}.cpp ${HEADER_DIR}/catch2/catch.hpp )
endforeach()
foreach( name ${TARGETS_IDIOMATIC_TESTS} )
add_executable( ${name} ${EXAMPLES_DIR}/${name}.cpp $<TARGET_OBJECTS:CatchMain> ${HEADER_DIR}/catch2/catch.hpp )
endforeach()
add_executable( 020-TestCase ${EXAMPLES_DIR}/020-TestCase-1.cpp ${EXAMPLES_DIR}/020-TestCase-2.cpp ${HEADER_DIR}/catch2/catch.hpp )
#add_executable( 207-Rpt-AutomakeReporter ${EXAMPLES_DIR}/207-Rpt-AutomakeReporter.cpp $<TARGET_OBJECTS:CatchMainAutomake> ${HEADER_DIR}/catch2/catch.hpp )
#add_executable( 207-Rpt-TapReporter ${EXAMPLES_DIR}/207-Rpt-TapReporter.cpp $<TARGET_OBJECTS:CatchMainTap> ${HEADER_DIR}/catch2/catch.hpp )
add_executable( 207-Rpt-TeamCityReporter ${EXAMPLES_DIR}/207-Rpt-TeamCityReporter.cpp $<TARGET_OBJECTS:CatchMainTeamCity> ${HEADER_DIR}/catch2/catch.hpp )
#foreach( name ${TARGETS_REPORTERS_TESTS} )
# add_executable( ${name} ${EXAMPLES_DIR}/${name}.cpp $<TARGET_OBJECTS:CatchMain> ${HEADER_DIR}/catch2/catch.hpp )
#endforeach()
foreach( name ${TARGETS_ALL} )
target_include_directories( ${name} PRIVATE ${HEADER_DIR} ${CATCH_DIR} )
set_property(TARGET ${name} PROPERTY CXX_STANDARD 11)
set_property(TARGET ${name} PROPERTY CXX_EXTENSIONS OFF)
# Add desired warnings
if ( CMAKE_CXX_COMPILER_ID MATCHES "Clang|AppleClang|GNU" )
target_compile_options( ${name} PRIVATE -Wall -Wextra -Wunreachable-code )
endif()
# Clang specific warning go here
if ( CMAKE_CXX_COMPILER_ID MATCHES "Clang" )
# Actually keep these
target_compile_options( ${name} PRIVATE -Wweak-vtables -Wexit-time-destructors -Wglobal-constructors -Wmissing-noreturn )
endif()
if ( CMAKE_CXX_COMPILER_ID MATCHES "MSVC" )
target_compile_options( ${name} PRIVATE /W4 /w44265 /WX )
endif()
endforeach()