Add 'contrib/catch2/' from commit 'bc524d70253a4ab2fe40c3ca3e5666e267c0a4d1'

git-subtree-dir: contrib/catch2
git-subtree-mainline: a8b0ea58e60bb0326b7f7c8f3c736d89ce9ef1df
git-subtree-split: bc524d70253a4ab2fe40c3ca3e5666e267c0a4d1

1 files changed, 100 insertions, 0 deletions

diff --git a/contrib/catch2/tests/SelfTest/UsageTests/Skip.tests.cpp b/contrib/catch2/tests/SelfTest/UsageTests/Skip.tests.cpp
new file mode 100644
index 0000000..661795e
--- /dev/null
+++ b/contrib/catch2/tests/SelfTest/UsageTests/Skip.tests.cpp
@@ -0,0 +1,100 @@
+
+//              Copyright Catch2 Authors
+// Distributed under the Boost Software License, Version 1.0.
+//   (See accompanying file LICENSE.txt or copy at
+//        https://www.boost.org/LICENSE_1_0.txt)
+
+// SPDX-License-Identifier: BSL-1.0
+
+#include <catch2/catch_test_macros.hpp>
+#include <catch2/generators/catch_generators_range.hpp>
+
+#include <iostream>
+
+TEST_CASE( "tests can be skipped dynamically at runtime", "[skipping]" ) {
+    SKIP();
+    FAIL( "this is not reached" );
+}
+
+TEST_CASE( "skipped tests can optionally provide a reason", "[skipping]" ) {
+    const int answer = 43;
+    SKIP( "skipping because answer = " << answer );
+    FAIL( "this is not reached" );
+}
+
+TEST_CASE( "sections can be skipped dynamically at runtime", "[skipping]" ) {
+    SECTION( "not skipped" ) { SUCCEED(); }
+    SECTION( "skipped" ) { SKIP(); }
+    SECTION( "also not skipped" ) { SUCCEED(); }
+}
+
+TEST_CASE( "nested sections can be skipped dynamically at runtime",
+           "[skipping]" ) {
+    SECTION( "A" ) { std::cout << "a"; }
+    SECTION( "B" ) {
+        SECTION( "B1" ) { std::cout << "b1"; }
+        SECTION( "B2" ) { SKIP(); }
+    }
+    std::cout << "!\n";
+}
+
+TEST_CASE( "dynamic skipping works with generators", "[skipping]" ) {
+    const int answer = GENERATE( 41, 42, 43 );
+    if ( answer != 42 ) { SKIP( "skipping because answer = " << answer ); }
+    SUCCEED();
+}
+
+TEST_CASE( "failed assertions before SKIP cause test case to fail",
+           "[skipping][!shouldfail]" ) {
+    CHECK( 3 == 4 );
+    SKIP();
+}
+
+TEST_CASE( "a succeeding test can still be skipped",
+           "[skipping][!shouldfail]" ) {
+    SUCCEED();
+    SKIP();
+}
+
+TEST_CASE( "failing in some unskipped sections causes entire test case to fail",
+           "[skipping][!shouldfail]" ) {
+    SECTION( "skipped" ) { SKIP(); }
+    SECTION( "not skipped" ) { FAIL(); }
+}
+
+TEST_CASE( "failing for some generator values causes entire test case to fail",
+           "[skipping][!shouldfail]" ) {
+    int i = GENERATE( 1, 2, 3, 4 );
+    if ( i % 2 == 0 ) {
+        SKIP();
+    } else {
+        FAIL();
+    }
+}
+
+namespace {
+    class test_skip_generator : public Catch::Generators::IGenerator<int> {
+    public:
+        explicit test_skip_generator() { SKIP( "This generator is empty" ); }
+
+        auto get() const -> int const& override {
+            static constexpr int value = 1;
+            return value;
+        }
+
+        auto next() -> bool override { return false; }
+    };
+
+    static auto make_test_skip_generator()
+        -> Catch::Generators::GeneratorWrapper<int> {
+        return { new test_skip_generator() };
+    }
+
+} // namespace
+
+TEST_CASE( "Empty generators can SKIP in constructor", "[skipping]" ) {
+    // The generator signals emptiness with `SKIP`
+    auto sample = GENERATE( make_test_skip_generator() );
+    // This assertion would fail, but shouldn't trigger
+    REQUIRE( sample == 0 );
+}