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Reorganised (some) usage tests so they can be included multiple times

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This commit is contained in:
Phil Nash 2017-11-15 07:48:21 +00:00
parent 516dbc83bc
commit 61e838edf2
8 changed files with 621 additions and 629 deletions
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102
projects/SelfTest/UsageTests/Approx.tests.cpp
View File

@ -10,13 +10,32 @@
#include <cmath>
namespace { namespace ApproxTests {
#ifndef APPROX_TEST_HELPERS_INCLUDED // Don't compile this more than once per TU
#define APPROX_TEST_HELPERS_INCLUDED
inline double divide( double a, double b ) {
return a/b;
}
class StrongDoubleTypedef {
double d_ = 0.0;
public:
explicit StrongDoubleTypedef(double d) : d_(d) {}
explicit operator double() const { return d_; }
};
inline std::ostream& operator<<( std::ostream& os, StrongDoubleTypedef td ) {
return os << "StrongDoubleTypedef(" << static_cast<double>(td) << ")";
}
#endif
///////////////////////////////////////////////////////////////////////////////
TEST_CASE
(
"Some simple comparisons between doubles",
"[Approx]"
)
{
TEST_CASE( "Some simple comparisons between doubles", "[Approx]" ) {
double d = 1.23;
REQUIRE( d == Approx( 1.23 ) );
@ -31,12 +50,7 @@ TEST_CASE
}
///////////////////////////////////////////////////////////////////////////////
TEST_CASE
(
"Approximate comparisons with different epsilons",
"[Approx]"
)
{
TEST_CASE( "Approximate comparisons with different epsilons", "[Approx]" ) {
double d = 1.23;
REQUIRE( d != Approx( 1.231 ) );
@ -44,12 +58,7 @@ TEST_CASE
}
///////////////////////////////////////////////////////////////////////////////
TEST_CASE
(
"Less-than inequalities with different epsilons",
"[Approx]"
)
{
TEST_CASE( "Less-than inequalities with different epsilons", "[Approx]" ) {
double d = 1.23;
REQUIRE( d <= Approx( 1.24 ) );
@ -59,12 +68,7 @@ TEST_CASE
}
///////////////////////////////////////////////////////////////////////////////
TEST_CASE
(
"Greater-than inequalities with different epsilons",
"[Approx]"
)
{
TEST_CASE( "Greater-than inequalities with different epsilons", "[Approx]" ) {
double d = 1.23;
REQUIRE( d >= Approx( 1.22 ) );
@ -74,34 +78,19 @@ TEST_CASE
}
///////////////////////////////////////////////////////////////////////////////
TEST_CASE
(
"Approximate comparisons with floats",
"[Approx]"
)
{
TEST_CASE( "Approximate comparisons with floats", "[Approx]" ) {
REQUIRE( 1.23f == Approx( 1.23f ) );
REQUIRE( 0.0f == Approx( 0.0f ) );
}
///////////////////////////////////////////////////////////////////////////////
TEST_CASE
(
"Approximate comparisons with ints",
"[Approx]"
)
{
TEST_CASE( "Approximate comparisons with ints", "[Approx]" ) {
REQUIRE( 1 == Approx( 1 ) );
REQUIRE( 0 == Approx( 0 ) );
}
///////////////////////////////////////////////////////////////////////////////
TEST_CASE
(
"Approximate comparisons with mixed numeric types",
"[Approx]"
)
{
TEST_CASE( "Approximate comparisons with mixed numeric types", "[Approx]" ) {
const double dZero = 0;
const double dSmall = 0.00001;
const double dMedium = 1.234;
@ -114,12 +103,7 @@ TEST_CASE
}
///////////////////////////////////////////////////////////////////////////////
TEST_CASE
(
"Use a custom approx",
"[Approx][custom]"
)
{
TEST_CASE( "Use a custom approx", "[Approx][custom]" ) {
double d = 1.23;
Approx approx = Approx::custom().epsilon( 0.01 );
@ -135,12 +119,7 @@ TEST_CASE
REQUIRE( approx( d ) != 1.25 );
}
inline double divide( double a, double b ) {
return a/b;
}
TEST_CASE( "Approximate PI", "[Approx][PI]" )
{
TEST_CASE( "Approximate PI", "[Approx][PI]" ) {
REQUIRE( divide( 22, 7 ) == Approx( 3.141 ).epsilon( 0.001 ) );
REQUIRE( divide( 22, 7 ) != Approx( 3.141 ).epsilon( 0.0001 ) );
}
@ -194,19 +173,6 @@ TEST_CASE("Assorted miscellaneous tests", "[Approx]") {
REQUIRE_FALSE(NAN == Approx(NAN));
}
class StrongDoubleTypedef
{
double d_ = 0.0;
public:
explicit StrongDoubleTypedef(double d) : d_(d) {}
explicit operator double() const { return d_; }
};
inline std::ostream& operator<<( std::ostream& os, StrongDoubleTypedef td ) {
return os << "StrongDoubleTypedef(" << static_cast<double>(td) << ")";
}
TEST_CASE( "Comparison with explicitly convertible types", "[Approx]" )
{
StrongDoubleTypedef td(10.0);
@ -228,3 +194,5 @@ TEST_CASE( "Comparison with explicitly convertible types", "[Approx]" )
REQUIRE(Approx(11.0) >= td);
}
}} // namespace ApproxTests

136
projects/SelfTest/UsageTests/BDD.tests.cpp
View File

@ -8,86 +8,88 @@
#include "catch.hpp"
inline bool itDoesThis(){ return true; }
inline bool itDoesThat(){ return true; }
namespace { namespace BDDTests {
SCENARIO( "Do that thing with the thing", "[Tags]" ) {
GIVEN( "This stuff exists" ) {
// make stuff exist
WHEN( "I do this" ) {
// do this
THEN( "it should do this")
{
REQUIRE( itDoesThis() );
AND_THEN( "do that")
REQUIRE( itDoesThat() );
}
}
}
}
#ifndef BDD_TEST_HELPERS_INCLUDED // Don't compile this more than once per TU
#define BDD_TEST_HELPERS_INCLUDED
SCENARIO( "Vector resizing affects size and capacity", "[vector][bdd][size][capacity]" ) {
GIVEN( "an empty vector" ) {
std::vector<int> v;
REQUIRE( v.size() == 0 );
inline bool itDoesThis() { return true; }
WHEN( "it is made larger" ) {
v.resize( 10 );
THEN( "the size and capacity go up" ) {
REQUIRE( v.size() == 10 );
REQUIRE( v.capacity() >= 10 );
inline bool itDoesThat() { return true; }
AND_WHEN( "it is made smaller again" ) {
v.resize( 5 );
THEN( "the size goes down but the capacity stays the same" ) {
REQUIRE( v.size() == 5 );
REQUIRE( v.capacity() >= 10 );
}
}
}
}
WHEN( "we reserve more space" ) {
v.reserve( 10 );
THEN( "The capacity is increased but the size remains the same" ) {
REQUIRE( v.capacity() >= 10 );
REQUIRE( v.size() == 0 );
}
}
}
}
SCENARIO( "This is a really long scenario name to see how the list command deals with wrapping",
"[very long tags][lots][long][tags][verbose]"
"[one very long tag name that should cause line wrapping writing out using the list command]"
"[anotherReallyLongTagNameButThisOneHasNoObviousWrapPointsSoShouldSplitWithinAWordUsingADashCharacter]" ) {
GIVEN( "A section name that is so long that it cannot fit in a single console width" )
WHEN( "The test headers are printed as part of the normal running of the scenario" )
THEN( "The, deliberately very long and overly verbose (you see what I did there?) section names must wrap, along with an indent" )
SUCCEED("boo!");
}
namespace {
namespace {
// a trivial fixture example to support SCENARIO_METHOD tests
struct Fixture
{
struct Fixture {
Fixture()
: d_counter(0)
{
: d_counter(0) {
}
int counter()
{
int counter() {
return d_counter++;
}
int d_counter;
};
};
}
}
#endif
SCENARIO_METHOD(Fixture,
SCENARIO("Do that thing with the thing", "[Tags]") {
GIVEN("This stuff exists") {
// make stuff exist
WHEN("I do this") {
// do this
THEN("it should do this") {
REQUIRE(itDoesThis());
AND_THEN("do that")REQUIRE(itDoesThat());
}
}
}
}
SCENARIO("Vector resizing affects size and capacity", "[vector][bdd][size][capacity]") {
GIVEN("an empty vector") {
std::vector<int> v;
REQUIRE(v.size() == 0);
WHEN("it is made larger") {
v.resize(10);
THEN("the size and capacity go up") {
REQUIRE(v.size() == 10);
REQUIRE(v.capacity() >= 10);
AND_WHEN("it is made smaller again") {
v.resize(5);
THEN("the size goes down but the capacity stays the same") {
REQUIRE(v.size() == 5);
REQUIRE(v.capacity() >= 10);
}
}
}
}
WHEN("we reserve more space") {
v.reserve(10);
THEN("The capacity is increased but the size remains the same") {
REQUIRE(v.capacity() >= 10);
REQUIRE(v.size() == 0);
}
}
}
}
SCENARIO("This is a really long scenario name to see how the list command deals with wrapping",
"[very long tags][lots][long][tags][verbose]"
"[one very long tag name that should cause line wrapping writing out using the list command]"
"[anotherReallyLongTagNameButThisOneHasNoObviousWrapPointsSoShouldSplitWithinAWordUsingADashCharacter]") {
GIVEN("A section name that is so long that it cannot fit in a single console width")WHEN(
"The test headers are printed as part of the normal running of the scenario")THEN(
"The, deliberately very long and overly verbose (you see what I did there?) section names must wrap, along with an indent")SUCCEED(
"boo!");
}
SCENARIO_METHOD(Fixture,
"BDD tests requiring Fixtures to provide commonly-accessed data or methods",
"[bdd][fixtures]") {
const int before(counter());
@ -100,4 +102,6 @@ SCENARIO_METHOD(Fixture,
}
}
}
}
}
}} // namespace BDDtests

28
projects/SelfTest/UsageTests/Class.tests.cpp
View File

@ -8,13 +8,16 @@
#include "catch.hpp"
namespace
namespace{ namespace ClassTests {
#ifndef CLASS_TEST_HELPERS_INCLUDED // Don't compile this more than once per TU
#define CLASS_TEST_HELPERS_INCLUDED
class TestClass
{
class TestClass
{
std::string s;
public:
public:
TestClass()
: s( "hello" )
{}
@ -27,13 +30,7 @@ namespace
{
REQUIRE( s == "world" );
}
};
}
METHOD_AS_TEST_CASE( TestClass::succeedingCase, "A METHOD_AS_TEST_CASE based test run that succeeds", "[class]" )
METHOD_AS_TEST_CASE( TestClass::failingCase, "A METHOD_AS_TEST_CASE based test run that fails", "[.][class][failing]" )
};
struct Fixture
{
@ -42,6 +39,13 @@ struct Fixture
int m_a;
};
#endif
METHOD_AS_TEST_CASE( TestClass::succeedingCase, "A METHOD_AS_TEST_CASE based test run that succeeds", "[class]" )
METHOD_AS_TEST_CASE( TestClass::failingCase, "A METHOD_AS_TEST_CASE based test run that fails", "[.][class][failing]" )
TEST_CASE_METHOD( Fixture, "A TEST_CASE_METHOD based test run that succeeds", "[class]" )
{
REQUIRE( m_a == 1 );
@ -55,3 +59,5 @@ namespace Inner
REQUIRE( m_a == 2 );
}
}
}} // namespace ClassTests

99
projects/SelfTest/UsageTests/Compilation.tests.cpp
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@ -7,36 +7,33 @@
#include "catch.hpp"
namespace { namespace CompilationTests {
#ifndef COMPILATION_TEST_HELPERS_INCLUDED // Don't compile this more than once per TU
#define COMPILATION_TEST_HELPERS_INCLUDED
// This is a minimal example for an issue we have found in 1.7.0
struct foo {
struct foo {
int i;
};
};
template <typename T>
bool operator==(const T& val, foo f){
template<typename T>
bool operator==(const T &val, foo f) {
return val == f.i;
}
}
TEST_CASE("#809") {
foo f; f.i = 42;
REQUIRE(42 == f);
}
struct Y {
uint32_t v : 1;
};
// ------------------------------------------------------------------
// Changes to REQUIRE_THROWS_AS made it stop working in a template in
// an unfixable way (as long as C++03 compatibility is being kept).
// To prevent these from happening in the future, this needs to compile
void throws_int(bool b) {
void throws_int(bool b) {
if (b) {
throw 1;
}
}
}
template <typename T>
bool templated_tests(T t) {
template<typename T>
bool templated_tests(T t) {
int a = 3;
REQUIRE(a == t);
CHECK(a == t);
@ -47,11 +44,16 @@ bool templated_tests(T t) {
REQUIRE_THAT("aaa", Catch::EndsWith("aaa"));
#endif
return true;
}
}
TEST_CASE("#833") {
REQUIRE(templated_tests<int>(3));
}
struct A {
};
std::ostream &operator<<(std::ostream &o, const A &) { return o << 0; }
struct B : private A {
bool operator==(int) const { return true; }
};
#ifdef __clang__
#pragma clang diagnostic push
@ -63,35 +65,48 @@ TEST_CASE("#833") {
#pragma GCC diagnostic ignored "-Wunused-function"
#endif
// Test containing example where original stream insertable check breaks compilation
namespace {
struct A {};
std::ostream& operator<< (std::ostream &o, const A &) { return o << 0; }
B f();
struct B : private A {
bool operator== (int) const { return true; }
};
std::ostream g();
B f ();
std::ostream g ();
}
#ifdef __clang__
#pragma clang diagnostic pop
#endif
TEST_CASE( "#872" ) {
#endif
TEST_CASE("#809") {
foo f;
f.i = 42;
REQUIRE(42 == f);
}
// ------------------------------------------------------------------
// Changes to REQUIRE_THROWS_AS made it stop working in a template in
// an unfixable way (as long as C++03 compatibility is being kept).
// To prevent these from happening in the future, this needs to compile
TEST_CASE("#833") {
REQUIRE(templated_tests<int>(3));
}
// Test containing example where original stream insertable check breaks compilation
TEST_CASE("#872") {
A dummy;
CAPTURE( dummy );
CAPTURE(dummy);
B x;
REQUIRE (x == 4);
}
}
struct Y {
uint32_t v : 1;
};
TEST_CASE( "#1027" ) {
Y y{ 0 };
TEST_CASE("#1027") {
Y y{0};
REQUIRE(y.v == 0);
REQUIRE(0 == y.v);
}
}
}} // namespace CompilationTests

16
projects/SelfTest/UsageTests/Condition.tests.cpp
View File

@ -17,6 +17,11 @@
#include <limits>
#include <cstdint>
namespace { namespace ConditionTests {
#ifndef CONDITION_TEST_HELPERS_INCLUDED // Don't compile this more than once per TU
#define CONDITION_TEST_HELPERS_INCLUDED
struct TestData {
int int_seven = 7;
std::string str_hello = "hello";
@ -24,7 +29,6 @@ struct TestData {
double double_pi = 3.1415926535;
};
struct TestDef {
TestDef& operator + ( const std::string& ) {
return *this;
@ -34,13 +38,17 @@ struct TestDef {
}
};
inline const char* returnsConstNull(){ return nullptr; }
inline char* returnsNull(){ return nullptr; }
#endif
// The "failing" tests all use the CHECK macro, which continues if the specific test fails.
// This allows us to see all results, even if an earlier check fails
// Equality tests
TEST_CASE( "Equality checks that should succeed" )
{
TestDef td;
td + "hello" + "hello";
@ -256,9 +264,6 @@ TEST_CASE( "Comparisons between ints where one side is computed" )
#pragma GCC diagnostic pop
#endif
inline const char* returnsConstNull(){ return nullptr; }
inline char* returnsNull(){ return nullptr; }
TEST_CASE( "Pointers can be compared to null" )
{
TestData* p = nullptr;
@ -323,3 +328,4 @@ TEST_CASE( "'Not' checks that should fail", "[.][failing]" )
CHECK_FALSE( 1 == 1 );
}
}} // namespace ConditionTests

158
projects/SelfTest/UsageTests/Exception.tests.cpp
View File

@ -19,70 +19,97 @@
#pragma clang diagnostic ignored "-Wweak-vtables"
#endif
namespace
{
inline int thisThrows()
{
namespace { namespace ExceptionTests {
#ifndef EXCEPTION_TEST_HELPERS_INCLUDED // Don't compile this more than once per TU
#define EXCEPTION_TEST_HELPERS_INCLUDED
inline int thisThrows() {
if( Catch::alwaysTrue() )
throw std::domain_error( "expected exception" );
return 1;
}
int thisDoesntThrow()
{
return 0;
}
}
TEST_CASE( "When checked exceptions are thrown they can be expected or unexpected", "[!throws]" )
{
int thisDoesntThrow() {
return 0;
}
class CustomException {
public:
CustomException( const std::string& msg )
: m_msg( msg )
{}
std::string getMessage() const {
return m_msg;
}
private:
std::string m_msg;
};
class CustomStdException : public std::exception {
public:
CustomStdException( const std::string& msg )
: m_msg( msg )
{}
~CustomStdException() noexcept {}
std::string getMessage() const {
return m_msg;
}
private:
std::string m_msg;
};
inline void throwCustom() {
if( Catch::alwaysTrue() )
throw CustomException( "custom exception - not std" );
}
#endif
TEST_CASE( "When checked exceptions are thrown they can be expected or unexpected", "[!throws]" ) {
REQUIRE_THROWS_AS( thisThrows(), std::domain_error );
REQUIRE_NOTHROW( thisDoesntThrow() );
REQUIRE_THROWS( thisThrows() );
}
TEST_CASE( "Expected exceptions that don't throw or unexpected exceptions fail the test", "[.][failing][!throws]" )
{
TEST_CASE( "Expected exceptions that don't throw or unexpected exceptions fail the test", "[.][failing][!throws]" ) {
CHECK_THROWS_AS( thisThrows(), std::string );
CHECK_THROWS_AS( thisDoesntThrow(), std::domain_error );
CHECK_NOTHROW( thisThrows() );
}
TEST_CASE( "When unchecked exceptions are thrown directly they are always failures", "[.][failing][!throws]" )
{
TEST_CASE( "When unchecked exceptions are thrown directly they are always failures", "[.][failing][!throws]" ) {
if( Catch::alwaysTrue() )
throw std::domain_error( "unexpected exception" );
}
TEST_CASE( "An unchecked exception reports the line of the last assertion", "[.][failing][!throws]" )
{
TEST_CASE( "An unchecked exception reports the line of the last assertion", "[.][failing][!throws]" ) {
CHECK( 1 == 1 );
if( Catch::alwaysTrue() )
throw std::domain_error( "unexpected exception" );
}
TEST_CASE( "When unchecked exceptions are thrown from sections they are always failures", "[.][failing][!throws]" )
{
SECTION( "section name" )
{
TEST_CASE( "When unchecked exceptions are thrown from sections they are always failures", "[.][failing][!throws]" ) {
SECTION( "section name" ) {
if( Catch::alwaysTrue() )
throw std::domain_error( "unexpected exception" );
}
}
TEST_CASE( "When unchecked exceptions are thrown from functions they are always failures", "[.][failing][!throws]" )
{
TEST_CASE( "When unchecked exceptions are thrown from functions they are always failures", "[.][failing][!throws]" ) {
CHECK( thisThrows() == 0 );
}
TEST_CASE( "When unchecked exceptions are thrown during a REQUIRE the test should abort fail", "[.][failing][!throws]" )
{
TEST_CASE( "When unchecked exceptions are thrown during a REQUIRE the test should abort fail", "[.][failing][!throws]" ) {
REQUIRE( thisThrows() == 0 );
FAIL( "This should never happen" );
}
TEST_CASE( "When unchecked exceptions are thrown during a CHECK the test should continue", "[.][failing][!throws]" )
{
TEST_CASE( "When unchecked exceptions are thrown during a CHECK the test should continue", "[.][failing][!throws]" ) {
try {
CHECK(thisThrows() == 0);
}
@ -91,96 +118,45 @@ TEST_CASE( "When unchecked exceptions are thrown during a CHECK the test should
}
}
TEST_CASE( "When unchecked exceptions are thrown, but caught, they do not affect the test", "[!throws]" )
{
try
{
TEST_CASE( "When unchecked exceptions are thrown, but caught, they do not affect the test", "[!throws]" ) {
try {
throw std::domain_error( "unexpected exception" );
}
catch(...)
{
}
catch(...) {}
}
class CustomException
{
public:
CustomException( const std::string& msg )
: m_msg( msg )
{}
std::string getMessage() const
{
return m_msg;
}
private:
std::string m_msg;
};
class CustomStdException : public std::exception
{
public:
CustomStdException( const std::string& msg )
: m_msg( msg )
{}
~CustomStdException() noexcept {}
std::string getMessage() const
{
return m_msg;
}
private:
std::string m_msg;
};
CATCH_TRANSLATE_EXCEPTION( CustomException& ex )
{
CATCH_TRANSLATE_EXCEPTION( CustomException& ex ) {
return ex.getMessage();
}
CATCH_TRANSLATE_EXCEPTION( CustomStdException& ex )
{
CATCH_TRANSLATE_EXCEPTION( CustomStdException& ex ) {
return ex.getMessage();
}
CATCH_TRANSLATE_EXCEPTION( double& ex )
{
CATCH_TRANSLATE_EXCEPTION( double& ex ) {
return Catch::Detail::stringify( ex );
}
TEST_CASE("Non-std exceptions can be translated", "[.][failing][!throws]" )
{
TEST_CASE("Non-std exceptions can be translated", "[.][failing][!throws]" ) {
if( Catch::alwaysTrue() )
throw CustomException( "custom exception" );
}
TEST_CASE("Custom std-exceptions can be custom translated", "[.][failing][!throws]" )
{
TEST_CASE("Custom std-exceptions can be custom translated", "[.][failing][!throws]" ) {
if( Catch::alwaysTrue() )
throw CustomException( "custom std exception" );
}
inline void throwCustom() {
if( Catch::alwaysTrue() )
throw CustomException( "custom exception - not std" );
}
TEST_CASE( "Custom exceptions can be translated when testing for nothrow", "[.][failing][!throws]" )
{
TEST_CASE( "Custom exceptions can be translated when testing for nothrow", "[.][failing][!throws]" ) {
REQUIRE_NOTHROW( throwCustom() );
}
TEST_CASE( "Custom exceptions can be translated when testing for throwing as something else", "[.][failing][!throws]" )
{
TEST_CASE( "Custom exceptions can be translated when testing for throwing as something else", "[.][failing][!throws]" ) {
REQUIRE_THROWS_AS( throwCustom(), std::exception );
}
TEST_CASE( "Unexpected exceptions can be translated", "[.][failing][!throws]" )
{
TEST_CASE( "Unexpected exceptions can be translated", "[.][failing][!throws]" ) {
if( Catch::alwaysTrue() )
throw double( 3.14 );
}
@ -224,6 +200,8 @@ TEST_CASE( "#748 - captures with unexpected exceptions", "[.][failing][!throws][
}
}
}} // namespace ExceptionTests
#ifdef __clang__
#pragma clang diagnostic pop
#endif

346
projects/SelfTest/UsageTests/Matchers.tests.cpp
View File

@ -16,59 +16,107 @@
#pragma clang diagnostic ignored "-Wpadded"
#endif
namespace { namespace MatchersTests {
#ifndef CATCH_CONFIG_DISABLE_MATCHERS
inline const char* testStringForMatching()
{
#ifndef MATCHERS_TEST_HELPERS_INCLUDED // Don't compile this more than once per TU
#define MATCHERS_TEST_HELPERS_INCLUDED
inline const char *testStringForMatching() {
return "this string contains 'abc' as a substring";
}
inline const char* testStringForMatching2()
{
}
inline const char *testStringForMatching2() {
return "some completely different text that contains one common word";
}
}
using namespace Catch::Matchers;
TEST_CASE("String matchers", "[matchers]" ) {
REQUIRE_THAT( testStringForMatching(), Contains( "string" ) );
REQUIRE_THAT( testStringForMatching(), Contains( "string", Catch::CaseSensitive::No ));
CHECK_THAT( testStringForMatching(), Contains( "abc" ) );
CHECK_THAT( testStringForMatching(), Contains( "aBC", Catch::CaseSensitive::No ));
#ifdef _MSC_VER
#pragma warning(disable:4702) // Unreachable code -- MSVC 19 (VS 2015) sees right through the indirection
#endif
CHECK_THAT( testStringForMatching(), StartsWith( "this" ) );
CHECK_THAT( testStringForMatching(), StartsWith( "THIS", Catch::CaseSensitive::No ));
CHECK_THAT( testStringForMatching(), EndsWith( "substring" ) );
CHECK_THAT( testStringForMatching(), EndsWith(" SuBsTrInG", Catch::CaseSensitive::No ));
}
#include <exception>
TEST_CASE("Contains string matcher", "[.][failing][matchers]") {
CHECK_THAT( testStringForMatching(), Contains( "not there", Catch::CaseSensitive::No ) );
CHECK_THAT( testStringForMatching(), Contains( "STRING" ));
}
struct SpecialException : std::exception {
SpecialException(int i_) : i(i_) {}
TEST_CASE("StartsWith string matcher", "[.][failing][matchers]") {
CHECK_THAT( testStringForMatching(), StartsWith( "This String" ));
CHECK_THAT( testStringForMatching(), StartsWith( "string", Catch::CaseSensitive::No ) );
}
int i;
};
TEST_CASE("EndsWith string matcher", "[.][failing][matchers]") {
CHECK_THAT( testStringForMatching(), EndsWith( "Substring" ));
CHECK_THAT( testStringForMatching(), EndsWith( "this", Catch::CaseSensitive::No ) );
}
void doesNotThrow() {}
TEST_CASE("Equals string matcher", "[.][failing][matchers]") {
CHECK_THAT( testStringForMatching(), Equals( "this string contains 'ABC' as a substring" ) );
CHECK_THAT( testStringForMatching(), Equals( "something else", Catch::CaseSensitive::No ));
}
[[noreturn]]
void throws(int i) {
throw SpecialException{i};
}
TEST_CASE("Equals", "[matchers]") {
CHECK_THAT( testStringForMatching(), Equals( "this string contains 'abc' as a substring" ));
CHECK_THAT( testStringForMatching(), Equals( "this string contains 'ABC' as a substring", Catch::CaseSensitive::No ) );
}
[[noreturn]]
void throwsAsInt(int i) {
throw i;
}
class ExceptionMatcher : public Catch::MatcherBase<SpecialException> {
int m_expected;
public:
ExceptionMatcher(int i) : m_expected(i) {}
bool match(SpecialException const &se) const override {
return se.i == m_expected;
}
std::string describe() const override {
std::ostringstream ss;
ss << "special exception has value of " << m_expected;
return ss.str();
}
};
#endif
using namespace Catch::Matchers;
TEST_CASE("String matchers", "[matchers]") {
REQUIRE_THAT(testStringForMatching(), Contains("string"));
REQUIRE_THAT(testStringForMatching(), Contains("string", Catch::CaseSensitive::No));
CHECK_THAT(testStringForMatching(), Contains("abc"));
CHECK_THAT(testStringForMatching(), Contains("aBC", Catch::CaseSensitive::No));
CHECK_THAT(testStringForMatching(), StartsWith("this"));
CHECK_THAT(testStringForMatching(), StartsWith("THIS", Catch::CaseSensitive::No));
CHECK_THAT(testStringForMatching(), EndsWith("substring"));
CHECK_THAT(testStringForMatching(), EndsWith(" SuBsTrInG", Catch::CaseSensitive::No));
}
TEST_CASE("Contains string matcher", "[.][failing][matchers]") {
CHECK_THAT(testStringForMatching(), Contains("not there", Catch::CaseSensitive::No));
CHECK_THAT(testStringForMatching(), Contains("STRING"));
}
TEST_CASE("StartsWith string matcher", "[.][failing][matchers]") {
CHECK_THAT(testStringForMatching(), StartsWith("This String"));
CHECK_THAT(testStringForMatching(), StartsWith("string", Catch::CaseSensitive::No));
}
TEST_CASE("EndsWith string matcher", "[.][failing][matchers]") {
CHECK_THAT(testStringForMatching(), EndsWith("Substring"));
CHECK_THAT(testStringForMatching(), EndsWith("this", Catch::CaseSensitive::No));
}
TEST_CASE("Equals string matcher", "[.][failing][matchers]") {
CHECK_THAT(testStringForMatching(), Equals("this string contains 'ABC' as a substring"));
CHECK_THAT(testStringForMatching(), Equals("something else", Catch::CaseSensitive::No));
}
TEST_CASE("Equals", "[matchers]") {
CHECK_THAT(testStringForMatching(), Equals("this string contains 'abc' as a substring"));
CHECK_THAT(testStringForMatching(),
Equals("this string contains 'ABC' as a substring", Catch::CaseSensitive::No));
}
// <regex> does not work in libstdc++ 4.8, so we have to enable these tests only when they
// are expected to pass and cannot have them in baselines
TEST_CASE("Regex string matcher -- libstdc++-4.8 workaround", "[matchers][approvals]") {
TEST_CASE("Regex string matcher -- libstdc++-4.8 workaround", "[matchers][approvals]") {
// This is fiiiine
// Taken from an answer at
@ -82,188 +130,146 @@ TEST_CASE("Regex string matcher -- libstdc++-4.8 workaround", "[matchers][approv
_GLIBCXX_RELEASE > 4))))
REQUIRE_THAT(testStringForMatching(), Matches("this string contains 'abc' as a substring"));
REQUIRE_THAT(testStringForMatching(), Matches("this string CONTAINS 'abc' as a substring", Catch::CaseSensitive::No));
REQUIRE_THAT(testStringForMatching(),
Matches("this string CONTAINS 'abc' as a substring", Catch::CaseSensitive::No));
REQUIRE_THAT(testStringForMatching(), Matches("^this string contains 'abc' as a substring$"));
REQUIRE_THAT(testStringForMatching(), Matches("^.* 'abc' .*$"));
REQUIRE_THAT(testStringForMatching(), Matches("^.* 'ABC' .*$", Catch::CaseSensitive::No));
#endif
REQUIRE_THAT(testStringForMatching2(), !Matches("this string contains 'abc' as a substring"));
}
}
TEST_CASE("Regex string matcher", "[matchers][.failing]") {
CHECK_THAT( testStringForMatching(), Matches("this STRING contains 'abc' as a substring"));
CHECK_THAT( testStringForMatching(), Matches("contains 'abc' as a substring"));
CHECK_THAT( testStringForMatching(), Matches("this string contains 'abc' as a"));
}
TEST_CASE("Regex string matcher", "[matchers][.failing]") {
CHECK_THAT(testStringForMatching(), Matches("this STRING contains 'abc' as a substring"));
CHECK_THAT(testStringForMatching(), Matches("contains 'abc' as a substring"));
CHECK_THAT(testStringForMatching(), Matches("this string contains 'abc' as a"));
}
TEST_CASE("Matchers can be (AllOf) composed with the && operator", "[matchers][operators][operator&&]")
{
CHECK_THAT( testStringForMatching(),
Contains( "string" ) &&
Contains( "abc" ) &&
Contains( "substring" ) &&
Contains( "contains" ) );
}
TEST_CASE("Matchers can be (AllOf) composed with the && operator", "[matchers][operators][operator&&]") {
CHECK_THAT(testStringForMatching(),
Contains("string") &&
Contains("abc") &&
Contains("substring") &&
Contains("contains"));
}
TEST_CASE("Matchers can be (AnyOf) composed with the || operator", "[matchers][operators][operator||]")
{
CHECK_THAT( testStringForMatching(), Contains( "string" ) || Contains( "different" ) || Contains( "random" ) );
CHECK_THAT( testStringForMatching2(), Contains( "string" ) || Contains( "different" ) || Contains( "random" ) );
}
TEST_CASE("Matchers can be (AnyOf) composed with the || operator", "[matchers][operators][operator||]") {
CHECK_THAT(testStringForMatching(), Contains("string") || Contains("different") || Contains("random"));
CHECK_THAT(testStringForMatching2(), Contains("string") || Contains("different") || Contains("random"));
}
TEST_CASE("Matchers can be composed with both && and ||", "[matchers][operators][operator||][operator&&]")
{
CHECK_THAT( testStringForMatching(), ( Contains( "string" ) || Contains( "different" ) ) && Contains( "substring" ) );
}
TEST_CASE("Matchers can be composed with both && and ||", "[matchers][operators][operator||][operator&&]") {
CHECK_THAT(testStringForMatching(), (Contains("string") || Contains("different")) && Contains("substring"));
}
TEST_CASE("Matchers can be composed with both && and || - failing", "[matchers][operators][operator||][operator&&][.failing]")
{
CHECK_THAT( testStringForMatching(), ( Contains( "string" ) || Contains( "different" ) ) && Contains( "random" ) );
}
TEST_CASE("Matchers can be composed with both && and || - failing",
"[matchers][operators][operator||][operator&&][.failing]") {
CHECK_THAT(testStringForMatching(), (Contains("string") || Contains("different")) && Contains("random"));
}
TEST_CASE("Matchers can be negated (Not) with the ! operator", "[matchers][operators][not]")
{
CHECK_THAT( testStringForMatching(), !Contains( "different" ) );
}
TEST_CASE("Matchers can be negated (Not) with the ! operator", "[matchers][operators][not]") {
CHECK_THAT(testStringForMatching(), !Contains("different"));
}
TEST_CASE("Matchers can be negated (Not) with the ! operator - failing", "[matchers][operators][not][.failing]")
{
CHECK_THAT( testStringForMatching(), !Contains( "substring" ) );
}
TEST_CASE("Matchers can be negated (Not) with the ! operator - failing",
"[matchers][operators][not][.failing]") {
CHECK_THAT(testStringForMatching(), !Contains("substring"));
}
TEST_CASE( "Vector matchers", "[matchers][vector]" ) {
TEST_CASE("Vector matchers", "[matchers][vector]") {
std::vector<int> v;
v.push_back( 1 );
v.push_back( 2 );
v.push_back( 3 );
v.push_back(1);
v.push_back(2);
v.push_back(3);
std::vector<int> v2;
v2.push_back( 1 );
v2.push_back( 2 );
v2.push_back(1);
v2.push_back(2);
std::vector<int> empty;
SECTION( "Contains (element)" ) {
CHECK_THAT( v, VectorContains( 1 ) );
CHECK_THAT( v, VectorContains( 2 ) );
SECTION("Contains (element)") {
CHECK_THAT(v, VectorContains(1));
CHECK_THAT(v, VectorContains(2));
}
SECTION( "Contains (vector)" ) {
CHECK_THAT( v, Contains( v2 ) );
v2.push_back( 3 ); // now exactly matches
CHECK_THAT( v, Contains( v2 ) );
SECTION("Contains (vector)") {
CHECK_THAT(v, Contains(v2));
v2.push_back(3); // now exactly matches
CHECK_THAT(v, Contains(v2));
CHECK_THAT( v, Contains( empty) );
CHECK_THAT( empty, Contains( empty) );
CHECK_THAT(v, Contains(empty));
CHECK_THAT(empty, Contains(empty));
}
SECTION( "Contains (element), composed" ) {
CHECK_THAT( v, VectorContains( 1 ) && VectorContains( 2 ) );
SECTION("Contains (element), composed") {
CHECK_THAT(v, VectorContains(1) && VectorContains(2));
}
SECTION( "Equals" ) {
SECTION("Equals") {
// Same vector
CHECK_THAT( v, Equals( v ) );
CHECK_THAT(v, Equals(v));
CHECK_THAT( empty, Equals( empty ) );
CHECK_THAT(empty, Equals(empty));
// Different vector with same elements
v2.push_back( 3 );
CHECK_THAT( v, Equals( v2 ) );
v2.push_back(3);
CHECK_THAT(v, Equals(v2));
}
}
}
TEST_CASE( "Vector matchers that fail", "[matchers][vector][.][failing]" ) {
TEST_CASE("Vector matchers that fail", "[matchers][vector][.][failing]") {
std::vector<int> v;
v.push_back( 1 );
v.push_back( 2 );
v.push_back( 3 );
v.push_back(1);
v.push_back(2);
v.push_back(3);
std::vector<int> v2;
v2.push_back( 1 );
v2.push_back( 2 );
v2.push_back(1);
v2.push_back(2);
std::vector<int> empty;
SECTION( "Contains (element)" ) {
CHECK_THAT( v, VectorContains( -1 ) );
CHECK_THAT( empty, VectorContains( 1 ) );
SECTION("Contains (element)") {
CHECK_THAT(v, VectorContains(-1));
CHECK_THAT(empty, VectorContains(1));
}
SECTION( "Contains (vector)" ) {
CHECK_THAT( empty, Contains( v) );
v2.push_back( 4 );
CHECK_THAT( v, Contains( v2 ) );
SECTION("Contains (vector)") {
CHECK_THAT(empty, Contains(v));
v2.push_back(4);
CHECK_THAT(v, Contains(v2));
}
SECTION( "Equals" ) {
SECTION("Equals") {
CHECK_THAT( v, Equals( v2 ) );
CHECK_THAT( v2, Equals( v ) );
CHECK_THAT( empty, Equals( v ) );
CHECK_THAT( v, Equals( empty ) );
CHECK_THAT(v, Equals(v2));
CHECK_THAT(v2, Equals(v));
CHECK_THAT(empty, Equals(v));
CHECK_THAT(v, Equals(empty));
}
}
#ifdef _MSC_VER
#pragma warning(disable:4702) // Unreachable code -- MSVC 19 (VS 2015) sees right through the indirection
#endif
#include <exception>
struct SpecialException : std::exception {
SpecialException(int i_):i(i_) {}
int i;
};
void doesNotThrow() {}
[[noreturn]]
void throws(int i) {
throw SpecialException{ i };
}
[[noreturn]]
void throwsAsInt(int i) {
throw i;
}
class ExceptionMatcher : public Catch::MatcherBase<SpecialException> {
int m_expected;
public:
ExceptionMatcher(int i):m_expected(i) {}
bool match(SpecialException const& se) const override {
return se.i == m_expected;
}
std::string describe() const override {
std::ostringstream ss;
ss << "special exception has value of " << m_expected;
return ss.str();
TEST_CASE("Exception matchers that succeed", "[matchers][exceptions][!throws]") {
CHECK_THROWS_MATCHES(throws(1), SpecialException, ExceptionMatcher{1});
REQUIRE_THROWS_MATCHES(throws(2), SpecialException, ExceptionMatcher{2});
}
};
TEST_CASE( "Exception matchers that succeed", "[matchers][exceptions][!throws]" ) {
CHECK_THROWS_MATCHES(throws(1), SpecialException, ExceptionMatcher{ 1 });
REQUIRE_THROWS_MATCHES(throws(2), SpecialException, ExceptionMatcher{ 2 });
}
TEST_CASE("Exception matchers that fail", "[matchers][exceptions][!throws][.failing]") {
TEST_CASE("Exception matchers that fail", "[matchers][exceptions][!throws][.failing]") {
SECTION("No exception") {
CHECK_THROWS_MATCHES(doesNotThrow(), SpecialException, ExceptionMatcher{ 1 });
REQUIRE_THROWS_MATCHES(doesNotThrow(), SpecialException, ExceptionMatcher{ 1 });
CHECK_THROWS_MATCHES(doesNotThrow(), SpecialException, ExceptionMatcher{1});
REQUIRE_THROWS_MATCHES(doesNotThrow(), SpecialException, ExceptionMatcher{1});
}
SECTION("Type mismatch") {
CHECK_THROWS_MATCHES(throwsAsInt(1), SpecialException, ExceptionMatcher{ 1 });
REQUIRE_THROWS_MATCHES(throwsAsInt(1), SpecialException, ExceptionMatcher{ 1 });
CHECK_THROWS_MATCHES(throwsAsInt(1), SpecialException, ExceptionMatcher{1});
REQUIRE_THROWS_MATCHES(throwsAsInt(1), SpecialException, ExceptionMatcher{1});
}
SECTION("Contents are wrong") {
CHECK_THROWS_MATCHES(throws(3), SpecialException, ExceptionMatcher{ 1 });
REQUIRE_THROWS_MATCHES(throws(4), SpecialException, ExceptionMatcher{ 1 });
CHECK_THROWS_MATCHES(throws(3), SpecialException, ExceptionMatcher{1});
REQUIRE_THROWS_MATCHES(throws(4), SpecialException, ExceptionMatcher{1});
}
}
}
TEST_CASE("Floating point matchers: float", "[matchers][floating-point]") {
TEST_CASE("Floating point matchers: float", "[matchers][floating-point]") {
SECTION("Margin") {
REQUIRE_THAT(1.f, WithinAbs(1.f, 0));
REQUIRE_THAT(0.f, WithinAbs(1.f, 1));
@ -292,9 +298,9 @@ TEST_CASE("Floating point matchers: float", "[matchers][floating-point]") {
REQUIRE_THAT(NAN, !(WithinAbs(NAN, 100) || WithinULP(NAN, 123)));
}
}
}
TEST_CASE("Floating point matchers: double", "[matchers][floating-point]") {
TEST_CASE("Floating point matchers: double", "[matchers][floating-point]") {
SECTION("Margin") {
REQUIRE_THAT(1., WithinAbs(1., 0));
REQUIRE_THAT(0., WithinAbs(1., 1));
@ -322,7 +328,9 @@ TEST_CASE("Floating point matchers: double", "[matchers][floating-point]") {
REQUIRE_THAT(NAN, !(WithinAbs(NAN, 100) || WithinULP(NAN, 123)));
}
}
}
} } // namespace MatchersTests
#endif // CATCH_CONFIG_DISABLE_MATCHERS

79
projects/SelfTest/UsageTests/Misc.tests.cpp
View File

@ -19,6 +19,48 @@
#include <limits>
#include <sstream>
namespace { namespace MiscTests {
#ifndef MISC_TEST_HELPERS_INCLUDED // Don't compile this more than once per TU
#define MISC_TEST_HELPERS_INCLUDED
inline const char* makeString( bool makeNull ) {
return makeNull ? nullptr : "valid string";
}
inline bool testCheckedIf( bool flag ) {
CHECKED_IF( flag )
return true;
else
return false;
}
inline bool testCheckedElse( bool flag ) {
CHECKED_ELSE( flag )
return false;
return true;
}
inline unsigned int Factorial( unsigned int number ) {
return number > 1 ? Factorial(number-1)*number : 1;
}
static int f() {
return 1;
}
inline void manuallyRegisteredTestFunction() {
SUCCEED( "was called" );
}
struct AutoTestReg {
AutoTestReg() {
REGISTER_TEST_CASE( manuallyRegisteredTestFunction, "ManuallyRegistered" );
}
};
static AutoTestReg autoTestReg;
#endif
TEST_CASE( "random SECTION tests", "[.][sections][failing]" ) {
int a = 1;
int b = 2;
@ -108,23 +150,11 @@ TEST_CASE( "Sends stuff to stdout and stderr", "[.]" ) {
std::cerr << "A string sent directly to stderr" << std::endl;
}
inline const char* makeString( bool makeNull ) {
return makeNull ? nullptr : "valid string";
}
TEST_CASE( "null strings" ) {
REQUIRE( makeString( false ) != static_cast<char*>(nullptr));
REQUIRE( makeString( true ) == static_cast<char*>(nullptr));
}
inline bool testCheckedIf( bool flag ) {
CHECKED_IF( flag )
return true;
else
return false;
}
TEST_CASE( "checkedIf" ) {
REQUIRE( testCheckedIf( true ) );
}
@ -133,13 +163,6 @@ TEST_CASE( "checkedIf, failing", "[failing][.]" ) {
REQUIRE( testCheckedIf( false ) );
}
inline bool testCheckedElse( bool flag ) {
CHECKED_ELSE( flag )
return false;
return true;
}
TEST_CASE( "checkedElse" ) {
REQUIRE( testCheckedElse( true ) );
}
@ -171,9 +194,6 @@ TEST_CASE( "atomic if", "[failing][0]") {
REQUIRE(x == 0);
}
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 );
@ -312,11 +332,6 @@ 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);
@ -331,12 +346,4 @@ TEST_CASE( "#961 -- Dynamically created sections should all be reported", "[.]"
}
}
inline void manuallyRegisteredTestFunction() {
SUCCEED( "was called" );
}
struct AutoTestReg {
AutoTestReg() {
REGISTER_TEST_CASE( manuallyRegisteredTestFunction, "ManuallyRegistered" );
}
};
static AutoTestReg autoTestReg;
}} // namespace MiscTests