86af6091d8
* gnu/packages/cpp.scm (c++-gsl)[source]: Add a patch from Debian to fix compilation of a test. * gnu/packages/patches/c++-gsl-move-array-bounds-tests.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it. Signed-off-by: Guillaume Le Vaillant <glv@posteo.net>
127 lines
4.1 KiB
Diff
127 lines
4.1 KiB
Diff
Description: Move tests that trigger -Warray-bounds to separate compilation unit
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GCC 10 is now smart enough to detect violation of array boundaries that tests
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are actually tested. Along with -Werror this led to tests failure, so I move
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such tests to another compilation unit to have the warning deactivated for
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only these tests.
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Bug-Debian: https://bugs.debian.org/966895
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Author: Nicholas Guriev <guriev-ns@ya.ru>
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Last-Modified: Wed, 19 Aug 2020 08:55:52 +0300
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--- a/tests/CMakeLists.txt
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+++ b/tests/CMakeLists.txt
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@@ -179,6 +179,7 @@ add_gsl_test(owner_tests)
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add_gsl_test(byte_tests)
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add_gsl_test(algorithm_tests)
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add_gsl_test(strict_notnull_tests)
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+add_gsl_test(array_bounds)
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# No exception tests
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--- /dev/null
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+++ b/tests/array_bounds.cpp
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@@ -0,0 +1,68 @@
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+///////////////////////////////////////////////////////////////////////////////
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+//
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+// Copyright (c) 2015 Microsoft Corporation. All rights reserved.
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+//
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+// This code is licensed under the MIT License (MIT).
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+//
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+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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+// THE SOFTWARE.
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+//
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+///////////////////////////////////////////////////////////////////////////////
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+
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+#ifdef __GNUC__
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+#pragma GCC diagnostic warning "-Warray-bounds"
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+#endif // __GNUC__
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+
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+#include <gtest/gtest.h>
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+
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+#include <gsl/multi_span> // for gsl::multi_span
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+
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+namespace gsl
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+{
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+struct fail_fast;
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+} // namespace gsl
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+
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+namespace
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+{
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+static constexpr char deathstring[] = "Expected Death";
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+} // namespace
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+
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+TEST(array_bounds, subspan_from_multi_span_test)
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+{
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+ int arr[5] = {1, 2, 3, 4, 5};
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+ gsl::multi_span<int> av = arr;
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+
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+ std::set_terminate([] {
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+ std::cerr << "Expected Death. subspan";
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+ std::abort();
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+ });
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+
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+ EXPECT_DEATH(av.subspan(6).length(), deathstring);
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+}
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+
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+TEST(array_bounds, strided_span_bounds_from_strided_span_tests)
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+{
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+ int arr[] = {0, 1, 2, 3};
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+ gsl::multi_span<int> av(arr);
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+
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+ std::set_terminate([] {
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+ std::cerr << "Expected Death. strided_span_bounds";
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+ std::abort();
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+ });
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+
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+ // incorrect sections
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+ EXPECT_DEATH(av.section(0, 0)[0], deathstring);
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+ EXPECT_DEATH(av.section(1, 0)[0], deathstring);
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+ EXPECT_DEATH(av.section(1, 1)[1], deathstring);
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+
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+ EXPECT_DEATH(av.section(2, 5), deathstring);
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+ EXPECT_DEATH(av.section(5, 2), deathstring);
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+ EXPECT_DEATH(av.section(5, 0), deathstring);
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+ EXPECT_DEATH(av.section(0, 5), deathstring);
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+ EXPECT_DEATH(av.section(5, 5), deathstring);
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+}
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--- a/tests/multi_span_tests.cpp
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+++ b/tests/multi_span_tests.cpp
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@@ -1042,10 +1042,6 @@ TEST(multi_span_test, subspan)
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EXPECT_TRUE(av.subspan(1).length() == 4);
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EXPECT_TRUE(av.subspan(4).length() == 1);
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EXPECT_TRUE(av.subspan(5).length() == 0);
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- // Disabled test instead of fixing since multi_span is deprecated. (PR#835)
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-#if !(defined(__GNUC__) && __GNUC__ == 8)
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- EXPECT_DEATH(av.subspan(6).length(), deathstring);
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-#endif
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auto av2 = av.subspan(1);
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for (int i = 0; i < 4; ++i) EXPECT_TRUE(av2[i] == i + 2);
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}
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--- a/tests/strided_span_tests.cpp
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+++ b/tests/strided_span_tests.cpp
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@@ -403,20 +403,6 @@ TEST(strided_span_tests, strided_span_bo
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});
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{
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- // incorrect sections
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-
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- EXPECT_DEATH(av.section(0, 0)[0], deathstring);
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- EXPECT_DEATH(av.section(1, 0)[0], deathstring);
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- EXPECT_DEATH(av.section(1, 1)[1], deathstring);
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-
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- EXPECT_DEATH(av.section(2, 5), deathstring);
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- EXPECT_DEATH(av.section(5, 2), deathstring);
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- EXPECT_DEATH(av.section(5, 0), deathstring);
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- EXPECT_DEATH(av.section(0, 5), deathstring);
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- EXPECT_DEATH(av.section(5, 5), deathstring);
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- }
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-
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- {
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// zero stride
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strided_span<int, 1> sav{av, {{4}, {}}};
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EXPECT_TRUE(sav[0] == 0);
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