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gtest migration

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Jordan Maples [MSFT] committed 2019-12-03 14:32:25 -08:00
1 parent 7e99e76c97
commit 2b10729386
17 files changed
+3453 -3588
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tests/strided_span_tests.cpp
+238 -257
View File
@@ -18,7 +18,7 @@
// blanket turn off warnings from CppCoreCheck from catch
// so people aren't annoyed by them when running the tool.
#pragma warning(disable : 26440 26426) // from catch deprecated
#pragma warning(disable : 4996) // strided_span is in the process of being deprecated.
#pragma warning(disable : 4996) // strided_span is in the process of being deprecated.
// Suppressing warnings until it is completely removed
#endif
@@ -27,7 +27,7 @@
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#endif
#include <catch/catch.hpp> // for AssertionHandler, StringRef, CHECK, CHECK...
#include <gtest/gtest.h>
#include <gsl/gsl_byte> // for byte
#include <gsl/gsl_util> // for narrow_cast
@@ -54,9 +54,66 @@ struct BaseClass
struct DerivedClass : BaseClass
{
};
GSL_SUPPRESS(con.4) // NO-FORMAT: attribute
GSL_SUPPRESS(bounds.1) // NO-FORMAT: attribute
void iterate_every_other_element(multi_span<int, dynamic_range> av)
{
// pick every other element
auto length = av.size() / 2;
#if defined(_MSC_VER) && _MSC_VER > 1800
auto bounds = strided_bounds<1>({length}, {2});
#else
auto bounds = strided_bounds<1>(multi_span_index<1>{length}, multi_span_index<1>{2});
#endif
strided_span<int, 1> strided(&av.data()[1], av.size() - 1, bounds);
EXPECT_TRUE(strided.size() == length);
EXPECT_TRUE(strided.bounds().index_bounds()[0] == length);
for (auto i = 0; i < strided.size(); ++i) {
EXPECT_TRUE(strided[i] == av[2 * i + 1]);
}
int idx = 0;
for (auto num : strided) {
EXPECT_TRUE(num == av[2 * idx + 1]);
idx++;
}
}
TEST_CASE("span_section_test")
GSL_SUPPRESS(con.4) // NO-FORMAT: attribute
GSL_SUPPRESS(bounds.4) // NO-FORMAT: attribute
GSL_SUPPRESS(bounds.2) // NO-FORMAT: attribute // TODO: does not work
void iterate_second_slice(multi_span<int, dynamic_range, dynamic_range, dynamic_range> av)
{
const int expected[6] = {2, 3, 10, 11, 18, 19};
auto section = av.section({0, 1, 0}, {3, 1, 2});
for (auto i = 0; i < section.extent<0>(); ++i) {
for (auto j = 0; j < section.extent<1>(); ++j)
for (auto k = 0; k < section.extent<2>(); ++k) {
auto idx = multi_span_index<3>{i, j, k}; // avoid braces in the EXPECT_TRUE macro
EXPECT_TRUE(section[idx] == expected[2 * i + 2 * j + k]);
}
}
for (auto i = 0; i < section.extent<0>(); ++i) {
for (auto j = 0; j < section.extent<1>(); ++j)
for (auto k = 0; k < section.extent<2>(); ++k)
EXPECT_TRUE(section[i][j][k] == expected[2 * i + 2 * j + k]);
}
int i = 0;
for (const auto num : section) {
EXPECT_TRUE(num == expected[i]);
i++;
}
}
}
TEST(strided_span_tests, span_section_test)
{
int a[30][4][5];
@@ -66,51 +123,52 @@ TEST_CASE("span_section_test")
(void) subsub;
}
TEST_CASE("span_section")
TEST(strided_span_tests, span_section)
{
std::vector<int> data(5 * 10);
std::iota(begin(data), end(data), 0);
const multi_span<int, 5, 10> av = as_multi_span(multi_span<int>{data}, dim<5>(), dim<10>());
const strided_span<int, 2> av_section_1 = av.section({1, 2}, {3, 4});
CHECK(!av_section_1.empty());
CHECK((av_section_1[{0, 0}] == 12));
CHECK((av_section_1[{0, 1}] == 13));
CHECK((av_section_1[{1, 0}] == 22));
CHECK((av_section_1[{2, 3}] == 35));
EXPECT_TRUE(!av_section_1.empty());
EXPECT_TRUE((av_section_1[{0, 0}] == 12));
EXPECT_TRUE((av_section_1[{0, 1}] == 13));
EXPECT_TRUE((av_section_1[{1, 0}] == 22));
EXPECT_TRUE((av_section_1[{2, 3}] == 35));
const strided_span<int, 2> av_section_2 = av_section_1.section({1, 2}, {2, 2});
CHECK(!av_section_2.empty());
CHECK((av_section_2[{0, 0}] == 24));
CHECK((av_section_2[{0, 1}] == 25));
CHECK((av_section_2[{1, 0}] == 34));
EXPECT_TRUE(!av_section_2.empty());
EXPECT_TRUE((av_section_2[{0, 0}] == 24));
EXPECT_TRUE((av_section_2[{0, 1}] == 25));
EXPECT_TRUE((av_section_2[{1, 0}] == 34));
}
GSL_SUPPRESS(con.4) // NO-FORMAT: attribute
TEST_CASE("strided_span_constructors")
TEST(strided_span_tests, strided_span_constructors)
{
// Check stride constructor
// EXPECT_TRUE stride constructor
{
int arr[] = {1, 2, 3, 4, 5, 6, 7, 8, 9};
const int carr[] = {1, 2, 3, 4, 5, 6, 7, 8, 9};
strided_span<int, 1> sav1{arr, {{9}, {1}}}; // T -> T
CHECK(sav1.bounds().index_bounds() == multi_span_index<1>{9});
CHECK(sav1.bounds().stride() == 1);
CHECK((sav1[0] == 1 && sav1[8] == 9));
EXPECT_TRUE(sav1.bounds().index_bounds() == multi_span_index<1>{9});
EXPECT_TRUE(sav1.bounds().stride() == 1);
EXPECT_EQ(sav1[0], 1); EXPECT_EQ(sav1[8], 9);
strided_span<const int, 1> sav2{carr, {{4}, {2}}}; // const T -> const T
CHECK(sav2.bounds().index_bounds() == multi_span_index<1>{4});
CHECK(sav2.bounds().strides() == multi_span_index<1>{2});
CHECK((sav2[0] == 1 && sav2[3] == 7));
EXPECT_TRUE(sav2.bounds().index_bounds() == multi_span_index<1>{4});
EXPECT_TRUE(sav2.bounds().strides() == multi_span_index<1>{2});
EXPECT_EQ(sav2[0], 1); EXPECT_EQ(sav2[3], 7);
strided_span<int, 2> sav3{arr, {{2, 2}, {6, 2}}}; // T -> const T
CHECK((sav3.bounds().index_bounds() == multi_span_index<2>{2, 2}));
CHECK((sav3.bounds().strides() == multi_span_index<2>{6, 2}));
CHECK((sav3[{0, 0}] == 1 && sav3[{0, 1}] == 3 && sav3[{1, 0}] == 7));
EXPECT_TRUE((sav3.bounds().index_bounds() == multi_span_index<2>{2, 2}));
EXPECT_TRUE((sav3.bounds().strides() == multi_span_index<2>{6, 2}));
EXPECT_EQ((sav3[{0, 0}]), 1);
EXPECT_EQ((sav3[{0, 1}]), 3);
EXPECT_EQ((sav3[{1, 0}]), 7);
}
// Check multi_span constructor
// EXPECT_TRUE multi_span constructor
{
int arr[] = {1, 2};
@@ -119,9 +177,9 @@ TEST_CASE("strided_span_constructors")
const multi_span<int> src = arr;
strided_span<int, 1> sav{src, {2, 1}};
CHECK(sav.bounds().index_bounds() == multi_span_index<1>{2});
CHECK(sav.bounds().strides() == multi_span_index<1>{1});
CHECK(sav[1] == 2);
EXPECT_TRUE(sav.bounds().index_bounds() == multi_span_index<1>{2});
EXPECT_TRUE(sav.bounds().strides() == multi_span_index<1>{1});
EXPECT_TRUE(sav[1] == 2);
#if defined(_MSC_VER) && _MSC_VER > 1800
// strided_span<const int, 1> sav_c{ {src}, {2, 1} };
@@ -131,9 +189,9 @@ TEST_CASE("strided_span_constructors")
strided_span<const int, 1> sav_c{multi_span<const int>{src},
strided_bounds<1>{2, 1}};
#endif
CHECK(sav_c.bounds().index_bounds() == multi_span_index<1>{2});
CHECK(sav_c.bounds().strides() == multi_span_index<1>{1});
CHECK(sav_c[1] == 2);
EXPECT_TRUE(sav_c.bounds().index_bounds() == multi_span_index<1>{2});
EXPECT_TRUE(sav_c.bounds().strides() == multi_span_index<1>{1});
EXPECT_TRUE(sav_c[1] == 2);
#if defined(_MSC_VER) && _MSC_VER > 1800
strided_span<volatile int, 1> sav_v{src, {2, 1}};
@@ -141,9 +199,9 @@ TEST_CASE("strided_span_constructors")
strided_span<volatile int, 1> sav_v{multi_span<volatile int>{src},
strided_bounds<1>{2, 1}};
#endif
CHECK(sav_v.bounds().index_bounds() == multi_span_index<1>{2});
CHECK(sav_v.bounds().strides() == multi_span_index<1>{1});
CHECK(sav_v[1] == 2);
EXPECT_TRUE(sav_v.bounds().index_bounds() == multi_span_index<1>{2});
EXPECT_TRUE(sav_v.bounds().strides() == multi_span_index<1>{1});
EXPECT_TRUE(sav_v[1] == 2);
#if defined(_MSC_VER) && _MSC_VER > 1800
strided_span<const volatile int, 1> sav_cv{src, {2, 1}};
@@ -151,9 +209,9 @@ TEST_CASE("strided_span_constructors")
strided_span<const volatile int, 1> sav_cv{multi_span<const volatile int>{src},
strided_bounds<1>{2, 1}};
#endif
CHECK(sav_cv.bounds().index_bounds() == multi_span_index<1>{2});
CHECK(sav_cv.bounds().strides() == multi_span_index<1>{1});
CHECK(sav_cv[1] == 2);
EXPECT_TRUE(sav_cv.bounds().index_bounds() == multi_span_index<1>{2});
EXPECT_TRUE(sav_cv.bounds().strides() == multi_span_index<1>{1});
EXPECT_TRUE(sav_cv[1] == 2);
}
// From const-qualified source
@@ -161,9 +219,9 @@ TEST_CASE("strided_span_constructors")
const multi_span<const int> src{arr};
strided_span<const int, 1> sav_c{src, {2, 1}};
CHECK(sav_c.bounds().index_bounds() == multi_span_index<1>{2});
CHECK(sav_c.bounds().strides() == multi_span_index<1>{1});
CHECK(sav_c[1] == 2);
EXPECT_TRUE(sav_c.bounds().index_bounds() == multi_span_index<1>{2});
EXPECT_TRUE(sav_c.bounds().strides() == multi_span_index<1>{1});
EXPECT_TRUE(sav_c[1] == 2);
#if defined(_MSC_VER) && _MSC_VER > 1800
strided_span<const volatile int, 1> sav_cv{src, {2, 1}};
@@ -172,9 +230,9 @@ TEST_CASE("strided_span_constructors")
strided_bounds<1>{2, 1}};
#endif
CHECK(sav_cv.bounds().index_bounds() == multi_span_index<1>{2});
CHECK(sav_cv.bounds().strides() == multi_span_index<1>{1});
CHECK(sav_cv[1] == 2);
EXPECT_TRUE(sav_cv.bounds().index_bounds() == multi_span_index<1>{2});
EXPECT_TRUE(sav_cv.bounds().strides() == multi_span_index<1>{1});
EXPECT_TRUE(sav_cv[1] == 2);
}
// From volatile-qualified source
@@ -182,9 +240,9 @@ TEST_CASE("strided_span_constructors")
const multi_span<volatile int> src{arr};
strided_span<volatile int, 1> sav_v{src, {2, 1}};
CHECK(sav_v.bounds().index_bounds() == multi_span_index<1>{2});
CHECK(sav_v.bounds().strides() == multi_span_index<1>{1});
CHECK(sav_v[1] == 2);
EXPECT_TRUE(sav_v.bounds().index_bounds() == multi_span_index<1>{2});
EXPECT_TRUE(sav_v.bounds().strides() == multi_span_index<1>{1});
EXPECT_TRUE(sav_v[1] == 2);
#if defined(_MSC_VER) && _MSC_VER > 1800
strided_span<const volatile int, 1> sav_cv{src, {2, 1}};
@@ -192,9 +250,9 @@ TEST_CASE("strided_span_constructors")
strided_span<const volatile int, 1> sav_cv{multi_span<const volatile int>{src},
strided_bounds<1>{2, 1}};
#endif
CHECK(sav_cv.bounds().index_bounds() == multi_span_index<1>{2});
CHECK(sav_cv.bounds().strides() == multi_span_index<1>{1});
CHECK(sav_cv[1] == 2);
EXPECT_TRUE(sav_cv.bounds().index_bounds() == multi_span_index<1>{2});
EXPECT_TRUE(sav_cv.bounds().strides() == multi_span_index<1>{1});
EXPECT_TRUE(sav_cv[1] == 2);
}
// From cv-qualified source
@@ -202,19 +260,19 @@ TEST_CASE("strided_span_constructors")
const multi_span<const volatile int> src{arr};
strided_span<const volatile int, 1> sav_cv{src, {2, 1}};
CHECK(sav_cv.bounds().index_bounds() == multi_span_index<1>{2});
CHECK(sav_cv.bounds().strides() == multi_span_index<1>{1});
CHECK(sav_cv[1] == 2);
EXPECT_TRUE(sav_cv.bounds().index_bounds() == multi_span_index<1>{2});
EXPECT_TRUE(sav_cv.bounds().strides() == multi_span_index<1>{1});
EXPECT_TRUE(sav_cv[1] == 2);
}
}
// Check const-casting constructor
// EXPECT_TRUE const-casting constructor
{
int arr[2] = {4, 5};
const multi_span<int, 2> av(arr, 2);
multi_span<const int, 2> av2{av};
CHECK(av2[1] == 5);
EXPECT_TRUE(av2[1] == 5);
static_assert(
std::is_convertible<const multi_span<int, 2>, multi_span<const int, 2>>::value,
@@ -222,34 +280,35 @@ TEST_CASE("strided_span_constructors")
const strided_span<int, 1> src{arr, {2, 1}};
strided_span<const int, 1> sav{src};
CHECK(sav.bounds().index_bounds() == multi_span_index<1>{2});
CHECK(sav.bounds().stride() == 1);
CHECK(sav[1] == 5);
EXPECT_TRUE(sav.bounds().index_bounds() == multi_span_index<1>{2});
EXPECT_TRUE(sav.bounds().stride() == 1);
EXPECT_TRUE(sav[1] == 5);
static_assert(
std::is_convertible<const strided_span<int, 1>, strided_span<const int, 1>>::value,
"ctor is not implicit!");
}
// Check copy constructor
// EXPECT_TRUE copy constructor
{
int arr1[2] = {3, 4};
const strided_span<int, 1> src1{arr1, {2, 1}};
strided_span<int, 1> sav1{src1};
CHECK(sav1.bounds().index_bounds() == multi_span_index<1>{2});
CHECK(sav1.bounds().stride() == 1);
CHECK(sav1[0] == 3);
EXPECT_TRUE(sav1.bounds().index_bounds() == multi_span_index<1>{2});
EXPECT_TRUE(sav1.bounds().stride() == 1);
EXPECT_TRUE(sav1[0] == 3);
int arr2[6] = {1, 2, 3, 4, 5, 6};
const strided_span<const int, 2> src2{arr2, {{3, 2}, {2, 1}}};
strided_span<const int, 2> sav2{src2};
CHECK((sav2.bounds().index_bounds() == multi_span_index<2>{3, 2}));
CHECK((sav2.bounds().strides() == multi_span_index<2>{2, 1}));
CHECK((sav2[{0, 0}] == 1 && sav2[{2, 0}] == 5));
EXPECT_TRUE((sav2.bounds().index_bounds() == multi_span_index<2>{3, 2}));
EXPECT_TRUE((sav2.bounds().strides() == multi_span_index<2>{2, 1}));
EXPECT_EQ((sav2[{0, 0}]), 1);
EXPECT_EQ((sav2[{2, 0}]), 5);
}
// Check const-casting assignment operator
// EXPECT_TRUE const-casting assignment operator
{
int arr1[2] = {1, 2};
int arr2[6] = {3, 4, 5, 6, 7, 8};
@@ -257,38 +316,38 @@ TEST_CASE("strided_span_constructors")
const strided_span<int, 1> src{arr1, {{2}, {1}}};
strided_span<const int, 1> sav{arr2, {{3}, {2}}};
strided_span<const int, 1>& sav_ref = (sav = src);
CHECK(sav.bounds().index_bounds() == multi_span_index<1>{2});
CHECK(sav.bounds().strides() == multi_span_index<1>{1});
CHECK(sav[0] == 1);
CHECK(&sav_ref == &sav);
EXPECT_TRUE(sav.bounds().index_bounds() == multi_span_index<1>{2});
EXPECT_TRUE(sav.bounds().strides() == multi_span_index<1>{1});
EXPECT_TRUE(sav[0] == 1);
EXPECT_TRUE(&sav_ref == &sav);
}
// Check copy assignment operator
// EXPECT_TRUE copy assignment operator
{
int arr1[2] = {3, 4};
int arr1b[1] = {0};
const strided_span<int, 1> src1{arr1, {2, 1}};
strided_span<int, 1> sav1{arr1b, {1, 1}};
strided_span<int, 1>& sav1_ref = (sav1 = src1);
CHECK(sav1.bounds().index_bounds() == multi_span_index<1>{2});
CHECK(sav1.bounds().strides() == multi_span_index<1>{1});
CHECK(sav1[0] == 3);
CHECK(&sav1_ref == &sav1);
EXPECT_TRUE(sav1.bounds().index_bounds() == multi_span_index<1>{2});
EXPECT_TRUE(sav1.bounds().strides() == multi_span_index<1>{1});
EXPECT_TRUE(sav1[0] == 3);
EXPECT_TRUE(&sav1_ref == &sav1);
const int arr2[6] = {1, 2, 3, 4, 5, 6};
const int arr2b[1] = {0};
const strided_span<const int, 2> src2{arr2, {{3, 2}, {2, 1}}};
strided_span<const int, 2> sav2{arr2b, {{1, 1}, {1, 1}}};
strided_span<const int, 2>& sav2_ref = (sav2 = src2);
CHECK((sav2.bounds().index_bounds() == multi_span_index<2>{3, 2}));
CHECK((sav2.bounds().strides() == multi_span_index<2>{2, 1}));
CHECK((sav2[{0, 0}] == 1 && sav2[{2, 0}] == 5));
CHECK(&sav2_ref == &sav2);
EXPECT_TRUE((sav2.bounds().index_bounds() == multi_span_index<2>{3, 2}));
EXPECT_TRUE((sav2.bounds().strides() == multi_span_index<2>{2, 1}));
EXPECT_TRUE((sav2[{0, 0}] == 1));
EXPECT_TRUE((sav2[{2, 0}] == 5));
EXPECT_TRUE(&sav2_ref == &sav2);
}
}
GSL_SUPPRESS(con.4) // NO-FORMAT: attribute
TEST_CASE("strided_span_slice")
TEST(strided_span_tests, strided_span_slice)
{
std::vector<int> data(5 * 10);
std::iota(begin(data), end(data), 0);
@@ -303,19 +362,18 @@ TEST_CASE("strided_span_slice")
{{5, 10}, {10, 1}}};
strided_span<int, 1> sav_sl = sav[2];
CHECK(sav_sl[0] == 20);
CHECK(sav_sl[9] == 29);
EXPECT_TRUE(sav_sl[0] == 20);
EXPECT_TRUE(sav_sl[9] == 29);
strided_span<const int, 1> csav_sl = sav[3];
CHECK(csav_sl[0] == 30);
CHECK(csav_sl[9] == 39);
EXPECT_TRUE(csav_sl[0] == 30);
EXPECT_TRUE(csav_sl[9] == 39);
CHECK(sav[4][0] == 40);
CHECK(sav[4][9] == 49);
EXPECT_TRUE(sav[4][0] == 40);
EXPECT_TRUE(sav[4][9] == 49);
}
GSL_SUPPRESS(con.4) // NO-FORMAT: attribute
TEST_CASE("strided_span_column_major")
TEST(strided_span_tests, strided_span_column_major)
{
// strided_span may be used to accommodate more peculiar
// use cases, such as column-major multidimensional array
@@ -325,30 +383,29 @@ TEST_CASE("strided_span_column_major")
strided_span<int, 2> cm_sav{cm_array, {{5, 3}, {1, 5}}};
// Accessing elements
CHECK((cm_sav[{0, 0}] == 1));
CHECK((cm_sav[{0, 1}] == 2));
CHECK((cm_sav[{1, 0}] == 4));
CHECK((cm_sav[{4, 2}] == 15));
EXPECT_TRUE((cm_sav[{0, 0}] == 1));
EXPECT_TRUE((cm_sav[{0, 1}] == 2));
EXPECT_TRUE((cm_sav[{1, 0}] == 4));
EXPECT_TRUE((cm_sav[{4, 2}] == 15));
// Slice
strided_span<int, 1> cm_sl = cm_sav[3];
CHECK(cm_sl[0] == 10);
CHECK(cm_sl[1] == 11);
CHECK(cm_sl[2] == 12);
EXPECT_TRUE(cm_sl[0] == 10);
EXPECT_TRUE(cm_sl[1] == 11);
EXPECT_TRUE(cm_sl[2] == 12);
// Section
strided_span<int, 2> cm_sec = cm_sav.section({2, 1}, {3, 2});
CHECK((cm_sec.bounds().index_bounds() == multi_span_index<2>{3, 2}));
CHECK((cm_sec[{0, 0}] == 8));
CHECK((cm_sec[{0, 1}] == 9));
CHECK((cm_sec[{1, 0}] == 11));
CHECK((cm_sec[{2, 1}] == 15));
EXPECT_TRUE((cm_sec.bounds().index_bounds() == multi_span_index<2>{3, 2}));
EXPECT_TRUE((cm_sec[{0, 0}] == 8));
EXPECT_TRUE((cm_sec[{0, 1}] == 9));
EXPECT_TRUE((cm_sec[{1, 0}] == 11));
EXPECT_TRUE((cm_sec[{2, 1}] == 15));
}
GSL_SUPPRESS(con.4) // NO-FORMAT: attribute
TEST_CASE("strided_span_bounds")
TEST(strided_span_tests, strided_span_bounds)
{
int arr[] = {0, 1, 2, 3};
multi_span<int> av(arr);
@@ -356,88 +413,88 @@ TEST_CASE("strided_span_bounds")
{
// incorrect sections
CHECK_THROWS_AS(av.section(0, 0)[0], fail_fast);
CHECK_THROWS_AS(av.section(1, 0)[0], fail_fast);
CHECK_THROWS_AS(av.section(1, 1)[1], fail_fast);
EXPECT_DEATH(av.section(0, 0)[0], ".*");
EXPECT_DEATH(av.section(1, 0)[0], ".*");
EXPECT_DEATH(av.section(1, 1)[1], ".*");
CHECK_THROWS_AS(av.section(2, 5), fail_fast);
CHECK_THROWS_AS(av.section(5, 2), fail_fast);
CHECK_THROWS_AS(av.section(5, 0), fail_fast);
CHECK_THROWS_AS(av.section(0, 5), fail_fast);
CHECK_THROWS_AS(av.section(5, 5), fail_fast);
EXPECT_DEATH(av.section(2, 5), ".*");
EXPECT_DEATH(av.section(5, 2), ".*");
EXPECT_DEATH(av.section(5, 0), ".*");
EXPECT_DEATH(av.section(0, 5), ".*");
EXPECT_DEATH(av.section(5, 5), ".*");
}
{
// zero stride
strided_span<int, 1> sav{av, {{4}, {}}};
CHECK(sav[0] == 0);
CHECK(sav[3] == 0);
CHECK_THROWS_AS(sav[4], fail_fast);
EXPECT_TRUE(sav[0] == 0);
EXPECT_TRUE(sav[3] == 0);
EXPECT_DEATH(sav[4], ".*");
}
{
// zero extent
strided_span<int, 1> sav{av, {{}, {1}}};
CHECK_THROWS_AS(sav[0], fail_fast);
EXPECT_DEATH(sav[0], ".*");
}
{
// zero extent and stride
strided_span<int, 1> sav{av, {{}, {}}};
CHECK_THROWS_AS(sav[0], fail_fast);
EXPECT_DEATH(sav[0], ".*");
}
{
// strided array ctor with matching strided bounds
strided_span<int, 1> sav{arr, {4, 1}};
CHECK(sav.bounds().index_bounds() == multi_span_index<1>{4});
CHECK(sav[3] == 3);
CHECK_THROWS_AS(sav[4], fail_fast);
EXPECT_TRUE(sav.bounds().index_bounds() == multi_span_index<1>{4});
EXPECT_TRUE(sav[3] == 3);
EXPECT_DEATH(sav[4], ".*");
}
{
// strided array ctor with smaller strided bounds
strided_span<int, 1> sav{arr, {2, 1}};
CHECK(sav.bounds().index_bounds() == multi_span_index<1>{2});
CHECK(sav[1] == 1);
CHECK_THROWS_AS(sav[2], fail_fast);
EXPECT_TRUE(sav.bounds().index_bounds() == multi_span_index<1>{2});
EXPECT_TRUE(sav[1] == 1);
EXPECT_DEATH(sav[2], ".*");
}
{
// strided array ctor with fitting irregular bounds
strided_span<int, 1> sav{arr, {2, 3}};
CHECK(sav.bounds().index_bounds() == multi_span_index<1>{2});
CHECK(sav[0] == 0);
CHECK(sav[1] == 3);
CHECK_THROWS_AS(sav[2], fail_fast);
EXPECT_TRUE(sav.bounds().index_bounds() == multi_span_index<1>{2});
EXPECT_TRUE(sav[0] == 0);
EXPECT_TRUE(sav[1] == 3);
EXPECT_DEATH(sav[2], ".*");
}
{
// bounds cross data boundaries - from static arrays
CHECK_THROWS_AS((strided_span<int, 1>{arr, {3, 2}}), fail_fast);
CHECK_THROWS_AS((strided_span<int, 1>{arr, {3, 3}}), fail_fast);
CHECK_THROWS_AS((strided_span<int, 1>{arr, {4, 5}}), fail_fast);
CHECK_THROWS_AS((strided_span<int, 1>{arr, {5, 1}}), fail_fast);
CHECK_THROWS_AS((strided_span<int, 1>{arr, {5, 5}}), fail_fast);
EXPECT_DEATH((strided_span<int, 1>{arr, {3, 2}}), ".*");
EXPECT_DEATH((strided_span<int, 1>{arr, {3, 3}}), ".*");
EXPECT_DEATH((strided_span<int, 1>{arr, {4, 5}}), ".*");
EXPECT_DEATH((strided_span<int, 1>{arr, {5, 1}}), ".*");
EXPECT_DEATH((strided_span<int, 1>{arr, {5, 5}}), ".*");
}
{
// bounds cross data boundaries - from array view
CHECK_THROWS_AS((strided_span<int, 1>{av, {3, 2}}), fail_fast);
CHECK_THROWS_AS((strided_span<int, 1>{av, {3, 3}}), fail_fast);
CHECK_THROWS_AS((strided_span<int, 1>{av, {4, 5}}), fail_fast);
CHECK_THROWS_AS((strided_span<int, 1>{av, {5, 1}}), fail_fast);
CHECK_THROWS_AS((strided_span<int, 1>{av, {5, 5}}), fail_fast);
EXPECT_DEATH((strided_span<int, 1>{av, {3, 2}}), ".*");
EXPECT_DEATH((strided_span<int, 1>{av, {3, 3}}), ".*");
EXPECT_DEATH((strided_span<int, 1>{av, {4, 5}}), ".*");
EXPECT_DEATH((strided_span<int, 1>{av, {5, 1}}), ".*");
EXPECT_DEATH((strided_span<int, 1>{av, {5, 5}}), ".*");
}
{
// bounds cross data boundaries - from dynamic arrays
CHECK_THROWS_AS((strided_span<int, 1>{av.data(), 4, {3, 2}}), fail_fast);
CHECK_THROWS_AS((strided_span<int, 1>{av.data(), 4, {3, 3}}), fail_fast);
CHECK_THROWS_AS((strided_span<int, 1>{av.data(), 4, {4, 5}}), fail_fast);
CHECK_THROWS_AS((strided_span<int, 1>{av.data(), 4, {5, 1}}), fail_fast);
CHECK_THROWS_AS((strided_span<int, 1>{av.data(), 4, {5, 5}}), fail_fast);
CHECK_THROWS_AS((strided_span<int, 1>{av.data(), 2, {2, 2}}), fail_fast);
EXPECT_DEATH((strided_span<int, 1>{av.data(), 4, {3, 2}}), ".*");
EXPECT_DEATH((strided_span<int, 1>{av.data(), 4, {3, 3}}), ".*");
EXPECT_DEATH((strided_span<int, 1>{av.data(), 4, {4, 5}}), ".*");
EXPECT_DEATH((strided_span<int, 1>{av.data(), 4, {5, 1}}), ".*");
EXPECT_DEATH((strided_span<int, 1>{av.data(), 4, {5, 5}}), ".*");
EXPECT_DEATH((strided_span<int, 1>{av.data(), 2, {2, 2}}), ".*");
}
#ifdef CONFIRM_COMPILATION_ERRORS
@@ -464,8 +521,7 @@ TEST_CASE("strided_span_bounds")
#endif
}
GSL_SUPPRESS(con.4) // NO-FORMAT: attribute
TEST_CASE("strided_span_type_conversion")
TEST(strided_span_tests, strided_span_type_conversion)
{
int arr[] = {0, 1, 2, 3};
multi_span<int> av(arr);
@@ -490,10 +546,10 @@ TEST_CASE("strided_span_type_conversion")
strided_bounds<2> bounds{{2, bytes.size() / 4}, {bytes.size() / 2, 1}};
strided_span<const byte, 2> sav2{bytes.data(), bytes.size(), bounds};
strided_span<const int, 2> sav3 = sav2.as_strided_span<const int>();
CHECK(sav3[0][0] == 0);
CHECK(sav3[1][0] == 2);
CHECK_THROWS_AS(sav3[1][1], fail_fast);
CHECK_THROWS_AS(sav3[0][1], fail_fast);
EXPECT_TRUE(sav3[0][0] == 0);
EXPECT_TRUE(sav3[1][0] == 2);
EXPECT_DEATH(sav3[1][1], ".*");
EXPECT_DEATH(sav3[0][1], ".*");
}
// retype strided array with regular strides - from multi_span
@@ -503,10 +559,10 @@ TEST_CASE("strided_span_type_conversion")
as_multi_span(bytes, dim<2>(), dim(bytes.size() / 2));
strided_span<const byte, 2> sav2{bytes2, bounds};
strided_span<int, 2> sav3 = sav2.as_strided_span<int>();
CHECK(sav3[0][0] == 0);
CHECK(sav3[1][0] == 2);
CHECK_THROWS_AS(sav3[1][1], fail_fast);
CHECK_THROWS_AS(sav3[0][1], fail_fast);
EXPECT_TRUE(sav3[0][0] == 0);
EXPECT_TRUE(sav3[1][0] == 2);
EXPECT_DEATH(sav3[1][1], ".*");
EXPECT_DEATH(sav3[0][1], ".*");
}
// retype strided array with not enough elements - last dimension of the array is too small
@@ -515,7 +571,7 @@ TEST_CASE("strided_span_type_conversion")
multi_span<const byte, 2, dynamic_range> bytes2 =
as_multi_span(bytes, dim<2>(), dim(bytes.size() / 2));
strided_span<const byte, 2> sav2{bytes2, bounds};
CHECK_THROWS_AS(sav2.as_strided_span<int>(), fail_fast);
EXPECT_DEATH(sav2.as_strided_span<int>(), ".*");
}
// retype strided array with not enough elements - strides are too small
@@ -524,7 +580,7 @@ TEST_CASE("strided_span_type_conversion")
multi_span<const byte, 2, dynamic_range> bytes2 =
as_multi_span(bytes, dim<2>(), dim(bytes.size() / 2));
strided_span<const byte, 2> sav2{bytes2, bounds};
CHECK_THROWS_AS(sav2.as_strided_span<int>(), fail_fast);
EXPECT_DEATH(sav2.as_strided_span<int>(), ".*");
}
// retype strided array with not enough elements - last dimension does not divide by the new
@@ -534,7 +590,7 @@ TEST_CASE("strided_span_type_conversion")
multi_span<const byte, 2, dynamic_range> bytes2 =
as_multi_span(bytes, dim<2>(), dim(bytes.size() / 2));
strided_span<const byte, 2> sav2{bytes2, bounds};
CHECK_THROWS_AS(sav2.as_strided_span<int>(), fail_fast);
EXPECT_DEATH(sav2.as_strided_span<int>(), ".*");
}
// retype strided array with not enough elements - strides does not divide by the new
@@ -544,88 +600,58 @@ TEST_CASE("strided_span_type_conversion")
multi_span<const byte, 2, dynamic_range> bytes2 =
as_multi_span(bytes, dim<2>(), dim(bytes.size() / 2));
strided_span<const byte, 2> sav2{bytes2, bounds};
CHECK_THROWS_AS(sav2.as_strided_span<int>(), fail_fast);
EXPECT_DEATH(sav2.as_strided_span<int>(), ".*");
}
// retype strided array with irregular strides - from raw data
{
strided_bounds<1> bounds{bytes.size() / 2, 2};
strided_span<const byte, 1> sav2{bytes.data(), bytes.size(), bounds};
CHECK_THROWS_AS(sav2.as_strided_span<int>(), fail_fast);
EXPECT_DEATH(sav2.as_strided_span<int>(), ".*");
}
// retype strided array with irregular strides - from multi_span
{
strided_bounds<1> bounds{bytes.size() / 2, 2};
strided_span<const byte, 1> sav2{bytes, bounds};
CHECK_THROWS_AS(sav2.as_strided_span<int>(), fail_fast);
EXPECT_DEATH(sav2.as_strided_span<int>(), ".*");
}
}
GSL_SUPPRESS(con.4) // NO-FORMAT: attribute
GSL_SUPPRESS(bounds.4) // NO-FORMAT: attribute
TEST_CASE("empty_strided_spans")
TEST(strided_span_tests, empty_strided_spans)
{
{
multi_span<int, 0> empty_av(nullptr);
strided_span<int, 1> empty_sav{empty_av, {0, 1}};
CHECK(empty_sav.bounds().index_bounds() == multi_span_index<1>{0});
CHECK(empty_sav.empty());
CHECK_THROWS_AS(empty_sav[0], fail_fast);
CHECK_THROWS_AS(empty_sav.begin()[0], fail_fast);
CHECK_THROWS_AS(empty_sav.cbegin()[0], fail_fast);
EXPECT_TRUE(empty_sav.bounds().index_bounds() == multi_span_index<1>{0});
EXPECT_TRUE(empty_sav.empty());
EXPECT_DEATH(empty_sav[0], ".*");
EXPECT_DEATH(empty_sav.begin()[0], ".*");
EXPECT_DEATH(empty_sav.cbegin()[0], ".*");
for (const auto& v : empty_sav) {
(void) v;
CHECK(false);
EXPECT_TRUE(false);
}
}
{
strided_span<int, 1> empty_sav{nullptr, 0, {0, 1}};
CHECK(empty_sav.bounds().index_bounds() == multi_span_index<1>{0});
CHECK_THROWS_AS(empty_sav[0], fail_fast);
CHECK_THROWS_AS(empty_sav.begin()[0], fail_fast);
CHECK_THROWS_AS(empty_sav.cbegin()[0], fail_fast);
EXPECT_TRUE(empty_sav.bounds().index_bounds() == multi_span_index<1>{0});
EXPECT_DEATH(empty_sav[0], ".*");
EXPECT_DEATH(empty_sav.begin()[0], ".*");
EXPECT_DEATH(empty_sav.cbegin()[0], ".*");
for (const auto& v : empty_sav) {
(void) v;
CHECK(false);
EXPECT_TRUE(false);
}
}
}
GSL_SUPPRESS(con.4) // NO-FORMAT: attribute
GSL_SUPPRESS(bounds.1) // NO-FORMAT: attribute
void iterate_every_other_element(multi_span<int, dynamic_range> av)
{
// pick every other element
auto length = av.size() / 2;
#if defined(_MSC_VER) && _MSC_VER > 1800
auto bounds = strided_bounds<1>({length}, {2});
#else
auto bounds = strided_bounds<1>(multi_span_index<1>{length}, multi_span_index<1>{2});
#endif
strided_span<int, 1> strided(&av.data()[1], av.size() - 1, bounds);
CHECK(strided.size() == length);
CHECK(strided.bounds().index_bounds()[0] == length);
for (auto i = 0; i < strided.size(); ++i) {
CHECK(strided[i] == av[2 * i + 1]);
}
int idx = 0;
for (auto num : strided) {
CHECK(num == av[2 * idx + 1]);
idx++;
}
}
GSL_SUPPRESS(con.4) // NO-FORMAT: attribute
TEST_CASE("strided_span_section_iteration")
TEST(strided_span_tests, strided_span_section_iteration)
{
int arr[8] = {4, 0, 5, 1, 6, 2, 7, 3};
@@ -642,12 +668,7 @@ TEST_CASE("strided_span_section_iteration")
}
}
GSL_SUPPRESS(con.4) // NO-FORMAT: attribute
GSL_SUPPRESS(r.11) // NO-FORMAT: attribute
GSL_SUPPRESS(r.3) // NO-FORMAT: attribute
GSL_SUPPRESS(r.5) // NO-FORMAT: attribute
GSL_SUPPRESS(bounds.1) // NO-FORMAT: attribute
TEST_CASE("dynamic_strided_span_section_iteration")
TEST(strided_span_tests, dynamic_strided_span_section_iteration)
{
auto arr = new int[8];
for (int i = 0; i < 4; ++i) {
@@ -661,39 +682,7 @@ TEST_CASE("dynamic_strided_span_section_iteration")
delete[] arr;
}
GSL_SUPPRESS(con.4) // NO-FORMAT: attribute
GSL_SUPPRESS(bounds.4) // NO-FORMAT: attribute
GSL_SUPPRESS(bounds.2) // NO-FORMAT: attribute // TODO: does not work
void iterate_second_slice(multi_span<int, dynamic_range, dynamic_range, dynamic_range> av)
{
const int expected[6] = {2, 3, 10, 11, 18, 19};
auto section = av.section({0, 1, 0}, {3, 1, 2});
for (auto i = 0; i < section.extent<0>(); ++i) {
for (auto j = 0; j < section.extent<1>(); ++j)
for (auto k = 0; k < section.extent<2>(); ++k) {
auto idx = multi_span_index<3>{i, j, k}; // avoid braces in the CHECK macro
CHECK(section[idx] == expected[2 * i + 2 * j + k]);
}
}
for (auto i = 0; i < section.extent<0>(); ++i) {
for (auto j = 0; j < section.extent<1>(); ++j)
for (auto k = 0; k < section.extent<2>(); ++k)
CHECK(section[i][j][k] == expected[2 * i + 2 * j + k]);
}
int i = 0;
for (const auto num : section) {
CHECK(num == expected[i]);
i++;
}
}
GSL_SUPPRESS(con.4) // NO-FORMAT: attribute
GSL_SUPPRESS(bounds.4) // NO-FORMAT: attribute
GSL_SUPPRESS(bounds.2) // NO-FORMAT: attribute
TEST_CASE("strided_span_section_iteration_3d")
TEST(strided_span_tests, strided_span_section_iteration_3d)
{
int arr[3][4][2]{};
for (auto i = 0; i < 3; ++i) {
@@ -707,12 +696,7 @@ TEST_CASE("strided_span_section_iteration_3d")
}
}
GSL_SUPPRESS(bounds.1) // NO-FORMAT: attribute
GSL_SUPPRESS(con.4) // NO-FORMAT: attribute
GSL_SUPPRESS(r.3) // NO-FORMAT: attribute
GSL_SUPPRESS(r.5) // NO-FORMAT: attribute
GSL_SUPPRESS(r.11) // NO-FORMAT: attribute
TEST_CASE("dynamic_strided_span_section_iteration_3d")
TEST(strided_span_tests, dynamic_strided_span_section_iteration_3d)
{
const auto height = 12, width = 2;
const auto size = height * width;
@@ -744,10 +728,7 @@ TEST_CASE("dynamic_strided_span_section_iteration_3d")
delete[] arr;
}
GSL_SUPPRESS(con.4) // NO-FORMAT: attribute
GSL_SUPPRESS(bounds.4) // NO-FORMAT: attribute
GSL_SUPPRESS(bounds.2) // NO-FORMAT: attribute
TEST_CASE("strided_span_conversion")
TEST(strided_span_tests, strided_span_conversion)
{
// get an multi_span of 'c' values from the list of X's
@@ -767,8 +748,8 @@ TEST_CASE("strided_span_conversion")
// convert to 4x12 array of bytes
auto av = as_multi_span(as_bytes(as_multi_span(&arr[0], 4)), dim(d1), dim(d2));
CHECK(av.bounds().index_bounds()[0] == 4);
CHECK(av.bounds().index_bounds()[1] == 12);
EXPECT_TRUE(av.bounds().index_bounds()[0] == 4);
EXPECT_TRUE(av.bounds().index_bounds()[1] == 12);
// get the last 4 columns
auto section = av.section({0, 2 * s}, {4, s}); // { { arr[0].c[0], arr[0].c[1], arr[0].c[2],
@@ -778,8 +759,8 @@ TEST_CASE("strided_span_conversion")
// convert to array 4x1 array of integers
auto cs = section.as_strided_span<int>(); // { { arr[0].c }, {arr[1].c } , ... }
CHECK(cs.bounds().index_bounds()[0] == 4);
CHECK(cs.bounds().index_bounds()[1] == 1);
EXPECT_TRUE(cs.bounds().index_bounds()[0] == 4);
EXPECT_TRUE(cs.bounds().index_bounds()[1] == 1);
// transpose to 1x4 array
strided_bounds<2> reverse_bounds{
@@ -791,12 +772,12 @@ TEST_CASE("strided_span_conversion")
// slice to get a one-dimensional array of c's
strided_span<int, 1> result = transposed[0];
CHECK(result.bounds().index_bounds()[0] == 4);
CHECK_THROWS_AS(result.bounds().index_bounds()[1], fail_fast);
EXPECT_TRUE(result.bounds().index_bounds()[0] == 4);
EXPECT_DEATH(result.bounds().index_bounds()[1], ".*");
int i = 0;
for (auto& num : result) {
CHECK(num == arr[i].c);
EXPECT_TRUE(num == arr[i].c);
i++;
}
}