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Move from unittest-cpp to catch for unit testing. (#533)

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Many thanks to @rianquinn. This should fix #495, #494 and #529.
This commit is contained in:
Neil MacIntosh authored and GitHub committed 2017-07-13 13:53:56 -07:00
1 parent 1f87ef73f1
commit b2ee484334
24 files changed
+4315 -4292
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tests/CMakeLists.txt
+26 -15
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@@ -5,15 +5,21 @@ project(GSLTests CXX)
# will make visual studio generated project group files
set_property(GLOBAL PROPERTY USE_FOLDERS ON)
if (NOT EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/unittest-cpp/CMakeLists.txt)
find_package(Git)
execute_process(
COMMAND ${GIT_EXECUTABLE} submodule update --init
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
)
endif()
list(APPEND CATCH_CMAKE_ARGS
"-DCMAKE_INSTALL_PREFIX=${CMAKE_SOURCE_DIR}"
"-DNO_SELFTEST=true"
)
add_subdirectory(unittest-cpp)
# add catch
ExternalProject_Add(
catch
PREFIX ${CMAKE_BINARY_DIR}/catch
GIT_REPOSITORY https://github.com/philsquared/Catch.git
GIT_TAG v1.9.6
CMAKE_ARGS ${CATCH_CMAKE_ARGS}
LOG_DOWNLOAD 1
UPDATE_DISCONNECTED 1
)
# this interface adds compile options to how the tests are run
# please try to keep entries ordered =)
@@ -42,24 +48,29 @@ target_compile_options(gsl_tests_config INTERFACE
>
)
# set test to include the unittest-cpp headers
# this shiuld be removed when UnitTest++ has the proper headers
target_include_directories(gsl_tests_config INTERFACE
./unittest-cpp
)
# set definitions for tests
target_compile_definitions(gsl_tests_config INTERFACE
GSL_THROW_ON_CONTRACT_VIOLATION
)
# create the main executable for each test. this reduces the compile time
# of each test by pre-compiling catch.
add_library(test_catch STATIC test.cpp)
target_link_libraries(test_catch
GSL
gsl_tests_config
)
add_dependencies(test_catch catch)
set_property(TARGET test_catch PROPERTY FOLDER "GSL_tests")
function(add_gsl_test name)
add_executable(${name} ${name}.cpp)
target_link_libraries(${name}
UnitTest++
GSL
test_catch
gsl_tests_config
)
add_dependencies(${name} catch)
add_test(
${name}
${name}
tests/algorithm_tests.cpp
+153 -159
View File
@@ -14,7 +14,7 @@
//
///////////////////////////////////////////////////////////////////////////////
#include <UnitTest++/UnitTest++.h>
#include <catch/catch.hpp>
#include <gsl/gsl_algorithm>
@@ -23,188 +23,182 @@
using namespace std;
using namespace gsl;
SUITE(copy_tests)
TEST_CASE("same_type")
{
TEST(same_type)
// dynamic source and destination span
{
// dynamic source and destination span
{
std::array<int, 5> src{1, 2, 3, 4, 5};
std::array<int, 10> dst{};
std::array<int, 5> src{1, 2, 3, 4, 5};
std::array<int, 10> dst{};
span<int> src_span(src);
span<int> dst_span(dst);
span<int> src_span(src);
span<int> dst_span(dst);
copy(src_span, dst_span);
copy(src_span, dst_span.subspan(src_span.size()));
copy(src_span, dst_span);
copy(src_span, dst_span.subspan(src_span.size()));
for (std::size_t i = 0; i < src.size(); ++i) {
CHECK(dst[i] == src[i]);
CHECK(dst[i + src.size()] == src[i]);
}
}
// static source and dynamic destination span
{
std::array<int, 5> src{1, 2, 3, 4, 5};
std::array<int, 10> dst{};
span<int, 5> src_span(src);
span<int> dst_span(dst);
copy(src_span, dst_span);
copy(src_span, dst_span.subspan(src_span.size()));
for (std::size_t i = 0; i < src.size(); ++i) {
CHECK(dst[i] == src[i]);
CHECK(dst[i + src.size()] == src[i]);
}
}
// dynamic source and static destination span
{
std::array<int, 5> src{1, 2, 3, 4, 5};
std::array<int, 10> dst{};
span<int> src_span(src);
span<int, 10> dst_span(dst);
copy(src_span, dst_span);
copy(src_span, dst_span.subspan(src_span.size()));
for (std::size_t i = 0; i < src.size(); ++i) {
CHECK(dst[i] == src[i]);
CHECK(dst[i + src.size()] == src[i]);
}
}
// static source and destination span
{
std::array<int, 5> src{1, 2, 3, 4, 5};
std::array<int, 10> dst{};
span<int, 5> src_span(src);
span<int, 10> dst_span(dst);
copy(src_span, dst_span);
copy(src_span, dst_span.subspan(src_span.size()));
for (std::size_t i = 0; i < src.size(); ++i) {
CHECK(dst[i] == src[i]);
CHECK(dst[i + src.size()] == src[i]);
}
for (std::size_t i = 0; i < src.size(); ++i) {
CHECK(dst[i] == src[i]);
CHECK(dst[i + src.size()] == src[i]);
}
}
TEST(compatible_type)
// static source and dynamic destination span
{
// dynamic source and destination span
{
std::array<short, 5> src{1, 2, 3, 4, 5};
std::array<int, 10> dst{};
std::array<int, 5> src{1, 2, 3, 4, 5};
std::array<int, 10> dst{};
span<short> src_span(src);
span<int> dst_span(dst);
span<int, 5> src_span(src);
span<int> dst_span(dst);
copy(src_span, dst_span);
copy(src_span, dst_span.subspan(src_span.size()));
copy(src_span, dst_span);
copy(src_span, dst_span.subspan(src_span.size()));
for (std::size_t i = 0; i < src.size(); ++i) {
CHECK(dst[i] == src[i]);
CHECK(dst[i + src.size()] == src[i]);
}
}
// static source and dynamic destination span
{
std::array<short, 5> src{1, 2, 3, 4, 5};
std::array<int, 10> dst{};
span<short, 5> src_span(src);
span<int> dst_span(dst);
copy(src_span, dst_span);
copy(src_span, dst_span.subspan(src_span.size()));
for (std::size_t i = 0; i < src.size(); ++i) {
CHECK(dst[i] == src[i]);
CHECK(dst[i + src.size()] == src[i]);
}
}
// dynamic source and static destination span
{
std::array<short, 5> src{1, 2, 3, 4, 5};
std::array<int, 10> dst{};
span<short> src_span(src);
span<int, 10> dst_span(dst);
copy(src_span, dst_span);
copy(src_span, dst_span.subspan(src_span.size()));
for (std::size_t i = 0; i < src.size(); ++i) {
CHECK(dst[i] == src[i]);
CHECK(dst[i + src.size()] == src[i]);
}
}
// static source and destination span
{
std::array<short, 5> src{1, 2, 3, 4, 5};
std::array<int, 10> dst{};
span<short, 5> src_span(src);
span<int, 10> dst_span(dst);
copy(src_span, dst_span);
copy(src_span, dst_span.subspan(src_span.size()));
for (std::size_t i = 0; i < src.size(); ++i) {
CHECK(dst[i] == src[i]);
CHECK(dst[i + src.size()] == src[i]);
}
for (std::size_t i = 0; i < src.size(); ++i) {
CHECK(dst[i] == src[i]);
CHECK(dst[i + src.size()] == src[i]);
}
}
#ifdef CONFIRM_COMPILATION_ERRORS
TEST(incompatible_type)
// dynamic source and static destination span
{
std::array<int, 4> src{1, 2, 3, 4};
std::array<int*, 12> dst{};
std::array<int, 5> src{1, 2, 3, 4, 5};
std::array<int, 10> dst{};
span<int> src_span_dyn(src);
span<int, 4> src_span_static(src);
span<int*> dst_span_dyn(dst);
span<int*, 4> dst_span_static(dst);
span<int> src_span(src);
span<int, 10> dst_span(dst);
// every line should produce a compilation error
copy(src_span_dyn, dst_span_dyn);
copy(src_span_dyn, dst_span_static);
copy(src_span_static, dst_span_dyn);
copy(src_span_static, dst_span_static);
copy(src_span, dst_span);
copy(src_span, dst_span.subspan(src_span.size()));
for (std::size_t i = 0; i < src.size(); ++i) {
CHECK(dst[i] == src[i]);
CHECK(dst[i + src.size()] == src[i]);
}
}
#endif
TEST(small_destination_span)
// static source and destination span
{
std::array<int, 12> src{1, 2, 3, 4};
std::array<int, 4> dst{};
std::array<int, 5> src{1, 2, 3, 4, 5};
std::array<int, 10> dst{};
span<int> src_span_dyn(src);
span<int, 12> src_span_static(src);
span<int> dst_span_dyn(dst);
span<int, 4> dst_span_static(dst);
span<int, 5> src_span(src);
span<int, 10> dst_span(dst);
CHECK_THROW(copy(src_span_dyn, dst_span_dyn), fail_fast);
CHECK_THROW(copy(src_span_dyn, dst_span_static), fail_fast);
CHECK_THROW(copy(src_span_static, dst_span_dyn), fail_fast);
copy(src_span, dst_span);
copy(src_span, dst_span.subspan(src_span.size()));
#ifdef CONFIRM_COMPILATION_ERRORS
copy(src_span_static, dst_span_static);
#endif
for (std::size_t i = 0; i < src.size(); ++i) {
CHECK(dst[i] == src[i]);
CHECK(dst[i + src.size()] == src[i]);
}
}
}
int main() { return UnitTest::RunAllTests(); }
TEST_CASE("compatible_type")
{
// dynamic source and destination span
{
std::array<short, 5> src{1, 2, 3, 4, 5};
std::array<int, 10> dst{};
span<short> src_span(src);
span<int> dst_span(dst);
copy(src_span, dst_span);
copy(src_span, dst_span.subspan(src_span.size()));
for (std::size_t i = 0; i < src.size(); ++i) {
CHECK(dst[i] == src[i]);
CHECK(dst[i + src.size()] == src[i]);
}
}
// static source and dynamic destination span
{
std::array<short, 5> src{1, 2, 3, 4, 5};
std::array<int, 10> dst{};
span<short, 5> src_span(src);
span<int> dst_span(dst);
copy(src_span, dst_span);
copy(src_span, dst_span.subspan(src_span.size()));
for (std::size_t i = 0; i < src.size(); ++i) {
CHECK(dst[i] == src[i]);
CHECK(dst[i + src.size()] == src[i]);
}
}
// dynamic source and static destination span
{
std::array<short, 5> src{1, 2, 3, 4, 5};
std::array<int, 10> dst{};
span<short> src_span(src);
span<int, 10> dst_span(dst);
copy(src_span, dst_span);
copy(src_span, dst_span.subspan(src_span.size()));
for (std::size_t i = 0; i < src.size(); ++i) {
CHECK(dst[i] == src[i]);
CHECK(dst[i + src.size()] == src[i]);
}
}
// static source and destination span
{
std::array<short, 5> src{1, 2, 3, 4, 5};
std::array<int, 10> dst{};
span<short, 5> src_span(src);
span<int, 10> dst_span(dst);
copy(src_span, dst_span);
copy(src_span, dst_span.subspan(src_span.size()));
for (std::size_t i = 0; i < src.size(); ++i) {
CHECK(dst[i] == src[i]);
CHECK(dst[i + src.size()] == src[i]);
}
}
}
#ifdef CONFIRM_COMPILATION_ERRORS
TEST_CASE("incompatible_type")
{
std::array<int, 4> src{1, 2, 3, 4};
std::array<int*, 12> dst{};
span<int> src_span_dyn(src);
span<int, 4> src_span_static(src);
span<int*> dst_span_dyn(dst);
span<int*, 4> dst_span_static(dst);
// every line should produce a compilation error
copy(src_span_dyn, dst_span_dyn);
copy(src_span_dyn, dst_span_static);
copy(src_span_static, dst_span_dyn);
copy(src_span_static, dst_span_static);
}
#endif
TEST_CASE("small_destination_span")
{
std::array<int, 12> src{1, 2, 3, 4};
std::array<int, 4> dst{};
span<int> src_span_dyn(src);
span<int, 12> src_span_static(src);
span<int> dst_span_dyn(dst);
span<int, 4> dst_span_static(dst);
CHECK_THROWS_AS(copy(src_span_dyn, dst_span_dyn), fail_fast);
CHECK_THROWS_AS(copy(src_span_dyn, dst_span_static), fail_fast);
CHECK_THROWS_AS(copy(src_span_static, dst_span_dyn), fail_fast);
#ifdef CONFIRM_COMPILATION_ERRORS
copy(src_span_static, dst_span_static);
#endif
}
tests/assertion_tests.cpp
+22 -27
View File
@@ -14,38 +14,33 @@
//
///////////////////////////////////////////////////////////////////////////////
#include <UnitTest++/UnitTest++.h>
#include <catch/catch.hpp>
#include <gsl/gsl>
using namespace gsl;
SUITE(assertion_tests)
int f(int i)
{
int f(int i)
{
Expects(i > 0 && i < 10);
return i;
}
TEST(expects)
{
CHECK(f(2) == 2);
CHECK_THROW(f(10), fail_fast);
}
int g(int i)
{
i++;
Ensures(i > 0 && i < 10);
return i;
}
TEST(ensures)
{
CHECK(g(2) == 3);
CHECK_THROW(g(9), fail_fast);
}
Expects(i > 0 && i < 10);
return i;
}
int main(int, const char* []) { return UnitTest::RunAllTests(); }
TEST_CASE("expects")
{
CHECK(f(2) == 2);
CHECK_THROWS_AS(f(10), fail_fast);
}
int g(int i)
{
i++;
Ensures(i > 0 && i < 10);
return i;
}
TEST_CASE("ensures")
{
CHECK(g(2) == 3);
CHECK_THROWS_AS(g(9), fail_fast);
}
tests/at_tests.cpp
+47 -52
View File
@@ -14,7 +14,7 @@
//
///////////////////////////////////////////////////////////////////////////////
#include <UnitTest++/UnitTest++.h>
#include <catch/catch.hpp>
#include <gsl/gsl>
@@ -23,70 +23,67 @@
using gsl::fail_fast;
SUITE(at_tests)
TEST_CASE("static_array")
{
TEST(static_array)
{
int a[4] = {1, 2, 3, 4};
const int(&c_a)[4] = a;
int a[4] = {1, 2, 3, 4};
const int(&c_a)[4] = a;
for (int i = 0; i < 4; ++i) {
CHECK(&gsl::at(a, i) == &a[i]);
CHECK(&gsl::at(c_a, i) == &a[i]);
}
CHECK_THROW(gsl::at(a, -1), fail_fast);
CHECK_THROW(gsl::at(a, 4), fail_fast);
CHECK_THROW(gsl::at(c_a, -1), fail_fast);
CHECK_THROW(gsl::at(c_a, 4), fail_fast);
for (int i = 0; i < 4; ++i) {
CHECK(&gsl::at(a, i) == &a[i]);
CHECK(&gsl::at(c_a, i) == &a[i]);
}
TEST(std_array)
{
std::array<int, 4> a = {1, 2, 3, 4};
const std::array<int, 4>& c_a = a;
CHECK_THROWS_AS(gsl::at(a, -1), fail_fast);
CHECK_THROWS_AS(gsl::at(a, 4), fail_fast);
CHECK_THROWS_AS(gsl::at(c_a, -1), fail_fast);
CHECK_THROWS_AS(gsl::at(c_a, 4), fail_fast);
}
for (int i = 0; i < 4; ++i) {
CHECK(&gsl::at(a, i) == &a[static_cast<std::size_t>(i)]);
CHECK(&gsl::at(c_a, i) == &a[static_cast<std::size_t>(i)]);
}
TEST_CASE("std_array")
{
std::array<int, 4> a = {1, 2, 3, 4};
const std::array<int, 4>& c_a = a;
CHECK_THROW(gsl::at(a, -1), fail_fast);
CHECK_THROW(gsl::at(a, 4), fail_fast);
CHECK_THROW(gsl::at(c_a, -1), fail_fast);
CHECK_THROW(gsl::at(c_a, 4), fail_fast);
for (int i = 0; i < 4; ++i) {
CHECK(&gsl::at(a, i) == &a[static_cast<std::size_t>(i)]);
CHECK(&gsl::at(c_a, i) == &a[static_cast<std::size_t>(i)]);
}
TEST(StdVector)
{
std::vector<int> a = {1, 2, 3, 4};
const std::vector<int>& c_a = a;
CHECK_THROWS_AS(gsl::at(a, -1), fail_fast);
CHECK_THROWS_AS(gsl::at(a, 4), fail_fast);
CHECK_THROWS_AS(gsl::at(c_a, -1), fail_fast);
CHECK_THROWS_AS(gsl::at(c_a, 4), fail_fast);
}
for (int i = 0; i < 4; ++i) {
CHECK(&gsl::at(a, i) == &a[static_cast<std::size_t>(i)]);
CHECK(&gsl::at(c_a, i) == &a[static_cast<std::size_t>(i)]);
}
TEST_CASE("StdVector")
{
std::vector<int> a = {1, 2, 3, 4};
const std::vector<int>& c_a = a;
CHECK_THROW(gsl::at(a, -1), fail_fast);
CHECK_THROW(gsl::at(a, 4), fail_fast);
CHECK_THROW(gsl::at(c_a, -1), fail_fast);
CHECK_THROW(gsl::at(c_a, 4), fail_fast);
for (int i = 0; i < 4; ++i) {
CHECK(&gsl::at(a, i) == &a[static_cast<std::size_t>(i)]);
CHECK(&gsl::at(c_a, i) == &a[static_cast<std::size_t>(i)]);
}
TEST(InitializerList)
{
std::initializer_list<int> a = {1, 2, 3, 4};
CHECK_THROWS_AS(gsl::at(a, -1), fail_fast);
CHECK_THROWS_AS(gsl::at(a, 4), fail_fast);
CHECK_THROWS_AS(gsl::at(c_a, -1), fail_fast);
CHECK_THROWS_AS(gsl::at(c_a, 4), fail_fast);
}
for (int i = 0; i < 4; ++i) {
CHECK(gsl::at(a, i) == i + 1);
CHECK(gsl::at({1, 2, 3, 4}, i) == i + 1);
}
TEST_CASE("InitializerList")
{
std::initializer_list<int> a = {1, 2, 3, 4};
CHECK_THROW(gsl::at(a, -1), fail_fast);
CHECK_THROW(gsl::at(a, 4), fail_fast);
CHECK_THROW(gsl::at({1, 2, 3, 4}, -1), fail_fast);
CHECK_THROW(gsl::at({1, 2, 3, 4}, 4), fail_fast);
for (int i = 0; i < 4; ++i) {
CHECK(gsl::at(a, i) == i + 1);
CHECK(gsl::at({1, 2, 3, 4}, i) == i + 1);
}
CHECK_THROWS_AS(gsl::at(a, -1), fail_fast);
CHECK_THROWS_AS(gsl::at(a, 4), fail_fast);
CHECK_THROWS_AS(gsl::at({1, 2, 3, 4}, -1), fail_fast);
CHECK_THROWS_AS(gsl::at({1, 2, 3, 4}, 4), fail_fast);
}
#if !defined(_MSC_VER) || defined(__clang__) || _MSC_VER >= 1910
@@ -111,5 +108,3 @@ static constexpr bool test_constexpr()
static_assert(test_constexpr(), "FAIL");
#endif
int main() { return UnitTest::RunAllTests(); }
tests/bounds_tests.cpp
+61 -66
View File
@@ -14,7 +14,7 @@
//
///////////////////////////////////////////////////////////////////////////////
#include <UnitTest++/UnitTest++.h>
#include <catch/catch.hpp>
#include <gsl/multi_span>
@@ -28,73 +28,68 @@ namespace
void use(std::ptrdiff_t&) {}
}
SUITE(bounds_test)
TEST_CASE("basic_bounds")
{
TEST(basic_bounds)
{
for (auto point : static_bounds<dynamic_range, 3, 4>{2}) {
for (decltype(point)::size_type j = 0;
j < static_cast<decltype(point)::size_type>(decltype(point)::rank); j++)
{
use(j);
use(point[static_cast<std::size_t>(j)]);
}
for (auto point : static_bounds<dynamic_range, 3, 4>{2}) {
for (decltype(point)::size_type j = 0;
j < static_cast<decltype(point)::size_type>(decltype(point)::rank); j++)
{
use(j);
use(point[static_cast<std::size_t>(j)]);
}
}
TEST(bounds_basic)
{
static_bounds<3, 4, 5> b;
const auto a = b.slice();
(void) a;
static_bounds<4, dynamic_range, 2> x{4};
x.slice().slice();
}
TEST(arrayview_iterator)
{
static_bounds<4, dynamic_range, 2> bounds{3};
const auto itr = bounds.begin();
(void) itr;
#ifdef CONFIRM_COMPILATION_ERRORS
multi_span<int, 4, dynamic_range, 2> av(nullptr, bounds);
auto itr2 = av.cbegin();
for (auto& v : av) {
v = 4;
}
fill(av.begin(), av.end(), 0);
#endif
}
TEST(bounds_convertible)
{
static_bounds<7, 4, 2> b1;
static_bounds<7, dynamic_range, 2> b2 = b1;
(void) b2;
#ifdef CONFIRM_COMPILATION_ERRORS
static_bounds<7, dynamic_range, 1> b4 = b2;
#endif
static_bounds<dynamic_range, dynamic_range, dynamic_range> b3 = b1;
static_bounds<7, 4, 2> b4 = b3;
(void) b4;
static_bounds<dynamic_range> b11;
static_bounds<dynamic_range> b5;
static_bounds<34> b6;
b5 = static_bounds<20>();
CHECK_THROW(b6 = b5, fail_fast);
b5 = static_bounds<34>();
b6 = b5;
CHECK(b5 == b6);
CHECK(b5.size() == b6.size());
}
}
int main(int, const char* []) { return UnitTest::RunAllTests(); }
TEST_CASE("bounds_basic")
{
static_bounds<3, 4, 5> b;
const auto a = b.slice();
(void) a;
static_bounds<4, dynamic_range, 2> x{4};
x.slice().slice();
}
TEST_CASE("arrayview_iterator")
{
static_bounds<4, dynamic_range, 2> bounds{3};
const auto itr = bounds.begin();
(void) itr;
#ifdef CONFIRM_COMPILATION_ERRORS
multi_span<int, 4, dynamic_range, 2> av(nullptr, bounds);
auto itr2 = av.cbegin();
for (auto& v : av) {
v = 4;
}
fill(av.begin(), av.end(), 0);
#endif
}
TEST_CASE("bounds_convertible")
{
static_bounds<7, 4, 2> b1;
static_bounds<7, dynamic_range, 2> b2 = b1;
(void) b2;
#ifdef CONFIRM_COMPILATION_ERRORS
static_bounds<7, dynamic_range, 1> b4 = b2;
#endif
static_bounds<dynamic_range, dynamic_range, dynamic_range> b3 = b1;
static_bounds<7, 4, 2> b4 = b3;
(void) b4;
static_bounds<dynamic_range> b11;
static_bounds<dynamic_range> b5;
static_bounds<34> b6;
b5 = static_bounds<20>();
CHECK_THROWS_AS(b6 = b5, fail_fast);
b5 = static_bounds<34>();
b6 = b5;
CHECK(b5 == b6);
CHECK(b5.size() == b6.size());
}
tests/byte_tests.cpp
+87 -91
View File
@@ -14,7 +14,7 @@
//
///////////////////////////////////////////////////////////////////////////////
#include <UnitTest++/UnitTest++.h>
#include <catch/catch.hpp>
#include <gsl/gsl_byte>
@@ -31,105 +31,101 @@ using namespace gsl;
namespace
{
SUITE(byte_tests)
TEST_CASE("construction")
{
TEST(construction)
{
{
const byte b = static_cast<byte>(4);
CHECK(static_cast<unsigned char>(b) == 4);
}
{
const byte b = byte(12);
CHECK(static_cast<unsigned char>(b) == 12);
}
{
const byte b = to_byte<12>();
CHECK(static_cast<unsigned char>(b) == 12);
}
{
const unsigned char uc = 12;
const byte b = to_byte(uc);
CHECK(static_cast<unsigned char>(b) == 12);
}
// waiting for C++17 enum class direct initializer support
//{
// byte b { 14 };
// CHECK(static_cast<unsigned char>(b) == 14);
//}
const byte b = static_cast<byte>(4);
CHECK(static_cast<unsigned char>(b) == 4);
}
TEST(bitwise_operations)
{
const byte b = to_byte<0xFF>();
byte a = to_byte<0x00>();
CHECK((b | a) == to_byte<0xFF>());
CHECK(a == to_byte<0x00>());
a |= b;
CHECK(a == to_byte<0xFF>());
a = to_byte<0x01>();
CHECK((b & a) == to_byte<0x01>());
a &= b;
CHECK(a == to_byte<0x01>());
CHECK((b ^ a) == to_byte<0xFE>());
CHECK(a == to_byte<0x01>());
a ^= b;
CHECK(a == to_byte<0xFE>());
a = to_byte<0x01>();
CHECK(~a == to_byte<0xFE>());
a = to_byte<0xFF>();
CHECK((a << 4) == to_byte<0xF0>());
CHECK((a >> 4) == to_byte<0x0F>());
a <<= 4;
CHECK(a == to_byte<0xF0>());
a >>= 4;
CHECK(a == to_byte<0x0F>());
const byte b = byte(12);
CHECK(static_cast<unsigned char>(b) == 12);
}
TEST(to_integer)
{
const byte b = to_byte<0x12>();
CHECK(0x12 == gsl::to_integer<char>(b));
CHECK(0x12 == gsl::to_integer<short>(b));
CHECK(0x12 == gsl::to_integer<long>(b));
CHECK(0x12 == gsl::to_integer<long long>(b));
CHECK(0x12 == gsl::to_integer<unsigned char>(b));
CHECK(0x12 == gsl::to_integer<unsigned short>(b));
CHECK(0x12 == gsl::to_integer<unsigned long>(b));
CHECK(0x12 == gsl::to_integer<unsigned long long>(b));
// CHECK(0x12 == gsl::to_integer<float>(b)); // expect compile-time error
// CHECK(0x12 == gsl::to_integer<double>(b)); // expect compile-time error
const byte b = to_byte<12>();
CHECK(static_cast<unsigned char>(b) == 12);
}
{
const unsigned char uc = 12;
const byte b = to_byte(uc);
CHECK(static_cast<unsigned char>(b) == 12);
}
int modify_both(gsl::byte & b, int& i)
{
i = 10;
b = to_byte<5>();
return i;
}
TEST(aliasing)
{
int i{0};
const int res = modify_both(reinterpret_cast<byte&>(i), i);
CHECK(res == i);
}
}
// waiting for C++17 enum class direct initializer support
//{
// byte b { 14 };
// CHECK(static_cast<unsigned char>(b) == 14);
//}
}
int main(int, const char* []) { return UnitTest::RunAllTests(); }
TEST_CASE("bitwise_operations")
{
const byte b = to_byte<0xFF>();
byte a = to_byte<0x00>();
CHECK((b | a) == to_byte<0xFF>());
CHECK(a == to_byte<0x00>());
a |= b;
CHECK(a == to_byte<0xFF>());
a = to_byte<0x01>();
CHECK((b & a) == to_byte<0x01>());
a &= b;
CHECK(a == to_byte<0x01>());
CHECK((b ^ a) == to_byte<0xFE>());
CHECK(a == to_byte<0x01>());
a ^= b;
CHECK(a == to_byte<0xFE>());
a = to_byte<0x01>();
CHECK(~a == to_byte<0xFE>());
a = to_byte<0xFF>();
CHECK((a << 4) == to_byte<0xF0>());
CHECK((a >> 4) == to_byte<0x0F>());
a <<= 4;
CHECK(a == to_byte<0xF0>());
a >>= 4;
CHECK(a == to_byte<0x0F>());
}
TEST_CASE("to_integer")
{
const byte b = to_byte<0x12>();
CHECK(0x12 == gsl::to_integer<char>(b));
CHECK(0x12 == gsl::to_integer<short>(b));
CHECK(0x12 == gsl::to_integer<long>(b));
CHECK(0x12 == gsl::to_integer<long long>(b));
CHECK(0x12 == gsl::to_integer<unsigned char>(b));
CHECK(0x12 == gsl::to_integer<unsigned short>(b));
CHECK(0x12 == gsl::to_integer<unsigned long>(b));
CHECK(0x12 == gsl::to_integer<unsigned long long>(b));
// CHECK(0x12 == gsl::to_integer<float>(b)); // expect compile-time error
// CHECK(0x12 == gsl::to_integer<double>(b)); // expect compile-time error
}
int modify_both(gsl::byte & b, int& i)
{
i = 10;
b = to_byte<5>();
return i;
}
TEST_CASE("aliasing")
{
int i{0};
const int res = modify_both(reinterpret_cast<byte&>(i), i);
CHECK(res == i);
}
}
tests/multi_span_tests.cpp
+1259 -1262
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tests/notnull_tests.cpp
+172 -182
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@@ -14,7 +14,7 @@
//
///////////////////////////////////////////////////////////////////////////////
#include <UnitTest++/UnitTest++.h>
#include <catch/catch.hpp>
#include <gsl/gsl>
@@ -104,192 +104,182 @@ struct NonCopyableNonMovable
NonCopyableNonMovable& operator=(NonCopyableNonMovable&&) = delete;
};
bool helper(not_null<int*> p) { return *p == 12; }
SUITE(NotNullTests)
TEST_CASE("TestNotNullConstructors")
{
bool helper(not_null<int*> p) { return *p == 12; }
TEST(TestNotNullConstructors)
{
#ifdef CONFIRM_COMPILATION_ERRORS
not_null<int*> p = nullptr; // yay...does not compile!
not_null<std::vector<char>*> p = 0; // yay...does not compile!
not_null<int*> p; // yay...does not compile!
std::unique_ptr<int> up = std::make_unique<int>(120);
not_null<int*> p = up;
not_null<int*> p = nullptr; // yay...does not compile!
not_null<std::vector<char>*> p = 0; // yay...does not compile!
not_null<int*> p; // yay...does not compile!
std::unique_ptr<int> up = std::make_unique<int>(120);
not_null<int*> p = up;
// Forbid non-nullptr assignable types
not_null<std::vector<int>> f(std::vector<int>{1});
not_null<int> z(10);
not_null<std::vector<int>> y({1, 2});
// Forbid non-nullptr assignable types
not_null<std::vector<int>> f(std::vector<int>{1});
not_null<int> z(10);
not_null<std::vector<int>> y({1, 2});
#endif
int i = 12;
auto rp = RefCounted<int>(&i);
not_null<int*> p(rp);
CHECK(p.get() == &i);
int i = 12;
auto rp = RefCounted<int>(&i);
not_null<int*> p(rp);
CHECK(p.get() == &i);
not_null<std::shared_ptr<int>> x(
std::make_shared<int>(10)); // shared_ptr<int> is nullptr assignable
}
TEST(TestNotNullCasting)
{
MyBase base;
MyDerived derived;
Unrelated unrelated;
not_null<Unrelated*> u = &unrelated;
(void) u;
not_null<MyDerived*> p = &derived;
not_null<MyBase*> q = &base;
q = p; // allowed with heterogeneous copy ctor
CHECK(q == p);
#ifdef CONFIRM_COMPILATION_ERRORS
q = u; // no viable conversion possible between MyBase* and Unrelated*
p = q; // not possible to implicitly convert MyBase* to MyDerived*
not_null<Unrelated*> r = p;
not_null<Unrelated*> s = reinterpret_cast<Unrelated*>(p);
#endif
not_null<Unrelated*> t = reinterpret_cast<Unrelated*>(p.get());
CHECK(reinterpret_cast<void*>(p.get()) == reinterpret_cast<void*>(t.get()));
}
TEST(TestNotNullAssignment)
{
int i = 12;
not_null<int*> p = &i;
CHECK(helper(p));
int* q = nullptr;
CHECK_THROW(p = q, fail_fast);
}
TEST(TestNotNullRawPointerComparison)
{
int ints[2] = {42, 43};
int* p1 = &ints[0];
const int* p2 = &ints[1];
using NotNull1 = not_null<decltype(p1)>;
using NotNull2 = not_null<decltype(p2)>;
CHECK((NotNull1(p1) == NotNull1(p1)) == true);
CHECK((NotNull1(p1) == NotNull2(p2)) == false);
CHECK((NotNull1(p1) != NotNull1(p1)) == false);
CHECK((NotNull1(p1) != NotNull2(p2)) == true);
CHECK((NotNull1(p1) < NotNull1(p1)) == false);
CHECK((NotNull1(p1) < NotNull2(p2)) == (p1 < p2));
CHECK((NotNull2(p2) < NotNull1(p1)) == (p2 < p1));
CHECK((NotNull1(p1) > NotNull1(p1)) == false);
CHECK((NotNull1(p1) > NotNull2(p2)) == (p1 > p2));
CHECK((NotNull2(p2) > NotNull1(p1)) == (p2 > p1));
CHECK((NotNull1(p1) <= NotNull1(p1)) == true);
CHECK((NotNull1(p1) <= NotNull2(p2)) == (p1 <= p2));
CHECK((NotNull2(p2) <= NotNull1(p1)) == (p2 <= p1));
CHECK((NotNull1(p1) >= NotNull1(p1)) == true);
CHECK((NotNull1(p1) >= NotNull2(p2)) == (p1 >= p2));
CHECK((NotNull2(p2) >= NotNull1(p1)) == (p2 >= p1));
}
TEST(TestNotNullSharedPtrComparison)
{
auto sp1 = std::make_shared<int>(42);
auto sp2 = std::make_shared<const int>(43);
using NotNullSp1 = not_null<decltype(sp1)>;
using NotNullSp2 = not_null<decltype(sp2)>;
CHECK((NotNullSp1(sp1) == NotNullSp1(sp1)) == true);
CHECK((NotNullSp1(sp1) == NotNullSp2(sp2)) == false);
CHECK((NotNullSp1(sp1) != NotNullSp1(sp1)) == false);
CHECK((NotNullSp1(sp1) != NotNullSp2(sp2)) == true);
CHECK((NotNullSp1(sp1) < NotNullSp1(sp1)) == false);
CHECK((NotNullSp1(sp1) < NotNullSp2(sp2)) == (sp1 < sp2));
CHECK((NotNullSp2(sp2) < NotNullSp1(sp1)) == (sp2 < sp1));
CHECK((NotNullSp1(sp1) > NotNullSp1(sp1)) == false);
CHECK((NotNullSp1(sp1) > NotNullSp2(sp2)) == (sp1 > sp2));
CHECK((NotNullSp2(sp2) > NotNullSp1(sp1)) == (sp2 > sp1));
CHECK((NotNullSp1(sp1) <= NotNullSp1(sp1)) == true);
CHECK((NotNullSp1(sp1) <= NotNullSp2(sp2)) == (sp1 <= sp2));
CHECK((NotNullSp2(sp2) <= NotNullSp1(sp1)) == (sp2 <= sp1));
CHECK((NotNullSp1(sp1) >= NotNullSp1(sp1)) == true);
CHECK((NotNullSp1(sp1) >= NotNullSp2(sp2)) == (sp1 >= sp2));
CHECK((NotNullSp2(sp2) >= NotNullSp1(sp1)) == (sp2 >= sp1));
}
TEST(TestNotNullCustomPtrComparison)
{
int ints[2] = {42, 43};
CustomPtr<int> p1(&ints[0]);
CustomPtr<const int> p2(&ints[1]);
using NotNull1 = not_null<decltype(p1)>;
using NotNull2 = not_null<decltype(p2)>;
CHECK((NotNull1(p1) == NotNull1(p1)) == "true");
CHECK((NotNull1(p1) == NotNull2(p2)) == "false");
CHECK((NotNull1(p1) != NotNull1(p1)) == "false");
CHECK((NotNull1(p1) != NotNull2(p2)) == "true");
CHECK((NotNull1(p1) < NotNull1(p1)) == "false");
CHECK((NotNull1(p1) < NotNull2(p2)) == (p1 < p2));
CHECK((NotNull2(p2) < NotNull1(p1)) == (p2 < p1));
CHECK((NotNull1(p1) > NotNull1(p1)) == "false");
CHECK((NotNull1(p1) > NotNull2(p2)) == (p1 > p2));
CHECK((NotNull2(p2) > NotNull1(p1)) == (p2 > p1));
CHECK((NotNull1(p1) <= NotNull1(p1)) == "true");
CHECK((NotNull1(p1) <= NotNull2(p2)) == (p1 <= p2));
CHECK((NotNull2(p2) <= NotNull1(p1)) == (p2 <= p1));
CHECK((NotNull1(p1) >= NotNull1(p1)) == "true");
CHECK((NotNull1(p1) >= NotNull2(p2)) == (p1 >= p2));
CHECK((NotNull2(p2) >= NotNull1(p1)) == (p2 >= p1));
}
TEST(TestNotNullDereferenceOperator)
{
{
auto sp1 = std::make_shared<NonCopyableNonMovable>();
using NotNullSp1 = not_null<decltype(sp1)>;
CHECK(typeid(*sp1) == typeid(*NotNullSp1(sp1)));
CHECK(std::addressof(*NotNullSp1(sp1)) == std::addressof(*sp1));
}
{
int ints[1] = { 42 };
CustomPtr<int> p1(&ints[0]);
using NotNull1 = not_null<decltype(p1)>;
CHECK(typeid(*NotNull1(p1)) == typeid(*p1));
CHECK(*NotNull1(p1) == 42);
*NotNull1(p1) = 43;
CHECK(ints[0] == 43);
}
{
int v = 42;
gsl::not_null<int*> p(&v);
CHECK(typeid(*p) == typeid(*(&v)));
*p = 43;
CHECK(v == 43);
}
}
not_null<std::shared_ptr<int>> x(
std::make_shared<int>(10)); // shared_ptr<int> is nullptr assignable
}
int main(int, const char* []) { return UnitTest::RunAllTests(); }
TEST_CASE("TestNotNullCasting")
{
MyBase base;
MyDerived derived;
Unrelated unrelated;
not_null<Unrelated*> u = &unrelated;
(void) u;
not_null<MyDerived*> p = &derived;
not_null<MyBase*> q = &base;
q = p; // allowed with heterogeneous copy ctor
CHECK(q == p);
#ifdef CONFIRM_COMPILATION_ERRORS
q = u; // no viable conversion possible between MyBase* and Unrelated*
p = q; // not possible to implicitly convert MyBase* to MyDerived*
not_null<Unrelated*> r = p;
not_null<Unrelated*> s = reinterpret_cast<Unrelated*>(p);
#endif
not_null<Unrelated*> t = reinterpret_cast<Unrelated*>(p.get());
CHECK(reinterpret_cast<void*>(p.get()) == reinterpret_cast<void*>(t.get()));
}
TEST_CASE("TestNotNullAssignment")
{
int i = 12;
not_null<int*> p = &i;
CHECK(helper(p));
int* q = nullptr;
CHECK_THROWS_AS(p = q, fail_fast);
}
TEST_CASE("TestNotNullRawPointerComparison")
{
int ints[2] = {42, 43};
int* p1 = &ints[0];
const int* p2 = &ints[1];
using NotNull1 = not_null<decltype(p1)>;
using NotNull2 = not_null<decltype(p2)>;
CHECK((NotNull1(p1) == NotNull1(p1)) == true);
CHECK((NotNull1(p1) == NotNull2(p2)) == false);
CHECK((NotNull1(p1) != NotNull1(p1)) == false);
CHECK((NotNull1(p1) != NotNull2(p2)) == true);
CHECK((NotNull1(p1) < NotNull1(p1)) == false);
CHECK((NotNull1(p1) < NotNull2(p2)) == (p1 < p2));
CHECK((NotNull2(p2) < NotNull1(p1)) == (p2 < p1));
CHECK((NotNull1(p1) > NotNull1(p1)) == false);
CHECK((NotNull1(p1) > NotNull2(p2)) == (p1 > p2));
CHECK((NotNull2(p2) > NotNull1(p1)) == (p2 > p1));
CHECK((NotNull1(p1) <= NotNull1(p1)) == true);
CHECK((NotNull1(p1) <= NotNull2(p2)) == (p1 <= p2));
CHECK((NotNull2(p2) <= NotNull1(p1)) == (p2 <= p1));
}
TEST_CASE("TestNotNullDereferenceOperator")
{
{
auto sp1 = std::make_shared<NonCopyableNonMovable>();
using NotNullSp1 = not_null<decltype(sp1)>;
CHECK(typeid(*sp1) == typeid(*NotNullSp1(sp1)));
CHECK(std::addressof(*NotNullSp1(sp1)) == std::addressof(*sp1));
}
{
int ints[1] = { 42 };
CustomPtr<int> p1(&ints[0]);
using NotNull1 = not_null<decltype(p1)>;
CHECK(typeid(*NotNull1(p1)) == typeid(*p1));
CHECK(*NotNull1(p1) == 42);
*NotNull1(p1) = 43;
CHECK(ints[0] == 43);
}
{
int v = 42;
gsl::not_null<int*> p(&v);
CHECK(typeid(*p) == typeid(*(&v)));
*p = 43;
CHECK(v == 43);
}
}
TEST_CASE("TestNotNullSharedPtrComparison")
{
auto sp1 = std::make_shared<int>(42);
auto sp2 = std::make_shared<const int>(43);
using NotNullSp1 = not_null<decltype(sp1)>;
using NotNullSp2 = not_null<decltype(sp2)>;
CHECK((NotNullSp1(sp1) == NotNullSp1(sp1)) == true);
CHECK((NotNullSp1(sp1) == NotNullSp2(sp2)) == false);
CHECK((NotNullSp1(sp1) != NotNullSp1(sp1)) == false);
CHECK((NotNullSp1(sp1) != NotNullSp2(sp2)) == true);
CHECK((NotNullSp1(sp1) < NotNullSp1(sp1)) == false);
CHECK((NotNullSp1(sp1) < NotNullSp2(sp2)) == (sp1 < sp2));
CHECK((NotNullSp2(sp2) < NotNullSp1(sp1)) == (sp2 < sp1));
CHECK((NotNullSp1(sp1) > NotNullSp1(sp1)) == false);
CHECK((NotNullSp1(sp1) > NotNullSp2(sp2)) == (sp1 > sp2));
CHECK((NotNullSp2(sp2) > NotNullSp1(sp1)) == (sp2 > sp1));
CHECK((NotNullSp1(sp1) <= NotNullSp1(sp1)) == true);
CHECK((NotNullSp1(sp1) <= NotNullSp2(sp2)) == (sp1 <= sp2));
CHECK((NotNullSp2(sp2) <= NotNullSp1(sp1)) == (sp2 <= sp1));
CHECK((NotNullSp1(sp1) >= NotNullSp1(sp1)) == true);
CHECK((NotNullSp1(sp1) >= NotNullSp2(sp2)) == (sp1 >= sp2));
CHECK((NotNullSp2(sp2) >= NotNullSp1(sp1)) == (sp2 >= sp1));
}
TEST_CASE("TestNotNullCustomPtrComparison")
{
int ints[2] = {42, 43};
CustomPtr<int> p1(&ints[0]);
CustomPtr<const int> p2(&ints[1]);
using NotNull1 = not_null<decltype(p1)>;
using NotNull2 = not_null<decltype(p2)>;
CHECK((NotNull1(p1) == NotNull1(p1)) == "true");
CHECK((NotNull1(p1) == NotNull2(p2)) == "false");
CHECK((NotNull1(p1) != NotNull1(p1)) == "false");
CHECK((NotNull1(p1) != NotNull2(p2)) == "true");
CHECK((NotNull1(p1) < NotNull1(p1)) == "false");
CHECK((NotNull1(p1) < NotNull2(p2)) == (p1 < p2));
CHECK((NotNull2(p2) < NotNull1(p1)) == (p2 < p1));
CHECK((NotNull1(p1) > NotNull1(p1)) == "false");
CHECK((NotNull1(p1) > NotNull2(p2)) == (p1 > p2));
CHECK((NotNull2(p2) > NotNull1(p1)) == (p2 > p1));
CHECK((NotNull1(p1) <= NotNull1(p1)) == "true");
CHECK((NotNull1(p1) <= NotNull2(p2)) == (p1 <= p2));
CHECK((NotNull2(p2) <= NotNull1(p1)) == (p2 <= p1));
CHECK((NotNull1(p1) >= NotNull1(p1)) == "true");
CHECK((NotNull1(p1) >= NotNull2(p2)) == (p1 >= p2));
CHECK((NotNull2(p2) >= NotNull1(p1)) == (p2 >= p1));
}
tests/owner_tests.cpp
+18 -23
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@@ -14,7 +14,7 @@
//
///////////////////////////////////////////////////////////////////////////////
#include <UnitTest++/UnitTest++.h>
#include <catch/catch.hpp>
#include <gsl/gsl>
@@ -24,28 +24,23 @@
using namespace gsl;
SUITE(owner_tests)
void f(int* i) { *i += 1; }
TEST_CASE("basic_test")
{
void f(int* i) { *i += 1; }
TEST(basic_test)
{
owner<int*> p = new int(120);
CHECK(*p == 120);
f(p);
CHECK(*p == 121);
delete p;
}
TEST(check_pointer_constraint)
{
#ifdef CONFIRM_COMPILATION_ERRORS
{
owner<int> integerTest = 10;
owner<std::shared_ptr<int>> sharedPtrTest(new int(10));
}
#endif
}
owner<int*> p = new int(120);
CHECK(*p == 120);
f(p);
CHECK(*p == 121);
delete p;
}
int main(int, const char* []) { return UnitTest::RunAllTests(); }
TEST_CASE("check_pointer_constraint")
{
#ifdef CONFIRM_COMPILATION_ERRORS
{
owner<int> integerTest = 10;
owner<std::shared_ptr<int>> sharedPtrTest(new int(10));
}
#endif
}
tests/span_tests.cpp
+764 -766
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tests/strided_span_tests.cpp
+680 -685
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tests/string_span_tests.cpp
+850 -856
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tests/test.cpp
+18
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@@ -0,0 +1,18 @@
///////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2015 Microsoft Corporation. All rights reserved.
//
// This code is licensed under the MIT License (MIT).
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
///////////////////////////////////////////////////////////////////////////////
#define CATCH_CONFIG_MAIN
#include <catch/catch.hpp>
tests/unittest-cpp
-1
Submodule tests/unittest-cpp deleted from c331bb0dea.
tests/utils_tests.cpp
+82 -87
View File
@@ -14,7 +14,7 @@
//
///////////////////////////////////////////////////////////////////////////////
#include <UnitTest++/UnitTest++.h>
#include <catch/catch.hpp>
#include <gsl/gsl>
@@ -22,94 +22,89 @@
using namespace gsl;
SUITE(utils_tests)
void f(int& i) { i += 1; }
TEST_CASE("finally_lambda")
{
void f(int& i) { i += 1; }
TEST(finally_lambda)
int i = 0;
{
int i = 0;
{
auto _ = finally([&]() { f(i); });
CHECK(i == 0);
}
CHECK(i == 1);
}
TEST(finally_lambda_move)
{
int i = 0;
{
auto _1 = finally([&]() { f(i); });
{
auto _2 = std::move(_1);
CHECK(i == 0);
}
CHECK(i == 1);
{
auto _2 = std::move(_1);
CHECK(i == 1);
}
CHECK(i == 1);
}
CHECK(i == 1);
}
TEST(finally_function_with_bind)
{
int i = 0;
{
auto _ = finally(std::bind(&f, std::ref(i)));
CHECK(i == 0);
}
CHECK(i == 1);
}
int j = 0;
void g() { j += 1; }
TEST(finally_function_ptr)
{
j = 0;
{
auto _ = finally(&g);
CHECK(j == 0);
}
CHECK(j == 1);
}
TEST(narrow_cast)
{
int n = 120;
char c = narrow_cast<char>(n);
CHECK(c == 120);
n = 300;
unsigned char uc = narrow_cast<unsigned char>(n);
CHECK(uc == 44);
}
TEST(narrow)
{
int n = 120;
const char c = narrow<char>(n);
CHECK(c == 120);
n = 300;
CHECK_THROW(narrow<char>(n), narrowing_error);
const auto int32_max = std::numeric_limits<int32_t>::max();
const auto int32_min = std::numeric_limits<int32_t>::min();
CHECK(narrow<uint32_t>(int32_t(0)) == 0);
CHECK(narrow<uint32_t>(int32_t(1)) == 1);
CHECK(narrow<uint32_t>(int32_max) == static_cast<uint32_t>(int32_max));
CHECK_THROW(narrow<uint32_t>(int32_t(-1)), narrowing_error);
CHECK_THROW(narrow<uint32_t>(int32_min), narrowing_error);
n = -42;
CHECK_THROW(narrow<unsigned>(n), narrowing_error);
auto _ = finally([&]() { f(i); });
CHECK(i == 0);
}
CHECK(i == 1);
}
int main(int, const char* []) { return UnitTest::RunAllTests(); }
TEST_CASE("finally_lambda_move")
{
int i = 0;
{
auto _1 = finally([&]() { f(i); });
{
auto _2 = std::move(_1);
CHECK(i == 0);
}
CHECK(i == 1);
{
auto _2 = std::move(_1);
CHECK(i == 1);
}
CHECK(i == 1);
}
CHECK(i == 1);
}
TEST_CASE("finally_function_with_bind")
{
int i = 0;
{
auto _ = finally(std::bind(&f, std::ref(i)));
CHECK(i == 0);
}
CHECK(i == 1);
}
int j = 0;
void g() { j += 1; }
TEST_CASE("finally_function_ptr")
{
j = 0;
{
auto _ = finally(&g);
CHECK(j == 0);
}
CHECK(j == 1);
}
TEST_CASE("narrow_cast")
{
int n = 120;
char c = narrow_cast<char>(n);
CHECK(c == 120);
n = 300;
unsigned char uc = narrow_cast<unsigned char>(n);
CHECK(uc == 44);
}
TEST_CASE("narrow")
{
int n = 120;
const char c = narrow<char>(n);
CHECK(c == 120);
n = 300;
CHECK_THROWS_AS(narrow<char>(n), narrowing_error);
const auto int32_max = std::numeric_limits<int32_t>::max();
const auto int32_min = std::numeric_limits<int32_t>::min();
CHECK(narrow<uint32_t>(int32_t(0)) == 0);
CHECK(narrow<uint32_t>(int32_t(1)) == 1);
CHECK(narrow<uint32_t>(int32_max) == static_cast<uint32_t>(int32_max));
CHECK_THROWS_AS(narrow<uint32_t>(int32_t(-1)), narrowing_error);
CHECK_THROWS_AS(narrow<uint32_t>(int32_min), narrowing_error);
n = -42;
CHECK_THROWS_AS(narrow<unsigned>(n), narrowing_error);
}