import catch2 3.8.1vendor/catch2/3.8.1vendor/catch2

1 files changed, 312 insertions, 0 deletions

diff --git a/tests/SelfTest/UsageTests/Message.tests.cpp b/tests/SelfTest/UsageTests/Message.tests.cpp
new file mode 100644
index 0000000..7626e00
--- /dev/null
+++ b/tests/SelfTest/UsageTests/Message.tests.cpp
@@ -0,0 +1,312 @@
+
+//              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 <iostream>
+
+TEST_CASE( "INFO and WARN do not abort tests", "[messages][.]" ) {
+    INFO( "this is a " << "message" );    // This should output the message if a failure occurs
+    WARN( "this is a " << "warning" );    // This should always output the message but then continue
+}
+
+TEST_CASE( "#1455 - INFO and WARN can start with a linebreak", "[messages][.]" ) {
+    // Previously these would be hidden from the console reporter output,
+    // because it would fail at properly reflowing the text
+    INFO( "\nThis info message starts with a linebreak" );
+    WARN( "\nThis warning message starts with a linebreak" );
+}
+
+TEST_CASE( "SUCCEED counts as a test pass", "[messages]" ) {
+    SUCCEED( "this is a " << "success" );
+}
+
+TEST_CASE( "INFO gets logged on failure", "[failing][messages][.]" ) {
+    INFO( "this message should be logged" );
+    INFO( "so should this" );
+    int a = 2;
+    REQUIRE( a == 1 );
+}
+
+TEST_CASE( "INFO gets logged on failure, even if captured before successful assertions", "[failing][messages][.]" ) {
+    INFO( "this message may be logged later" );
+    int a = 2;
+    CHECK( a == 2 );
+
+    INFO( "this message should be logged" );
+
+    CHECK( a == 1 );
+
+    INFO( "and this, but later" );
+
+    CHECK( a == 0 );
+
+    INFO( "but not this" );
+
+    CHECK( a == 2 );
+}
+
+TEST_CASE( "FAIL aborts the test", "[failing][messages][.]" ) {
+    FAIL( "This is a " << "failure" );    // This should output the message and abort
+    WARN( "We should never see this");
+}
+
+TEST_CASE( "FAIL_CHECK does not abort the test", "[failing][messages][.]" ) {
+    FAIL_CHECK( "This is a " << "failure" );    // This should output the message then continue
+    WARN( "This message appears in the output");
+}
+
+TEST_CASE( "FAIL does not require an argument", "[failing][messages][.]" ) {
+    FAIL();
+}
+
+TEST_CASE( "SUCCEED does not require an argument", "[messages][.]" ) {
+   SUCCEED();
+}
+
+TEST_CASE( "Output from all sections is reported", "[failing][messages][.]" ) {
+    SECTION( "one" ) {
+        FAIL( "Message from section one" );
+    }
+
+    SECTION( "two" ) {
+        FAIL( "Message from section two" );
+    }
+}
+
+TEST_CASE( "Standard output from all sections is reported", "[messages][.]" ) {
+    SECTION( "one" ) {
+        std::cout << "Message from section one\n";
+    }
+
+    SECTION( "two" ) {
+        std::cout << "Message from section two\n";
+    }
+}
+
+TEST_CASE( "Standard error is reported and redirected", "[messages][.][approvals]" ) {
+    SECTION( "std::cerr" ) {
+        std::cerr << "Write to std::cerr\n";
+    }
+    SECTION( "std::clog" ) {
+        std::clog << "Write to std::clog\n";
+    }
+    SECTION( "Interleaved writes to cerr and clog" ) {
+        std::cerr << "Inter";
+        std::clog << "leaved";
+        std::cerr << ' ';
+        std::clog << "writes";
+        std::cerr << " to error";
+        std::clog << " streams\n" << std::flush;
+    }
+}
+
+TEST_CASE( "INFO is reset for each loop", "[messages][failing][.]" ) {
+    for( int i=0; i<100; i++ )
+    {
+        INFO( "current counter " << i );
+        CAPTURE( i );
+        REQUIRE( i < 10 );
+    }
+}
+
+TEST_CASE( "The NO_FAIL macro reports a failure but does not fail the test", "[messages]" ) {
+    CHECK_NOFAIL( 1 == 2 );
+}
+
+TEST_CASE( "just info", "[info][isolated info][messages]" ) {
+    INFO( "this should never be seen" );
+}
+TEST_CASE( "just failure", "[fail][isolated info][.][messages]" ) {
+    FAIL( "Previous info should not be seen" );
+}
+
+
+TEST_CASE( "sends information to INFO", "[.][failing]" ) {
+    INFO( "hi" );
+    int i = 7;
+    CAPTURE( i );
+    REQUIRE( false );
+}
+
+TEST_CASE( "Pointers can be converted to strings", "[messages][.][approvals]" ) {
+    int p;
+    WARN( "actual address of p: " << &p );
+    WARN( "toString(p): " << ::Catch::Detail::stringify( &p ) );
+}
+
+template <typename T>
+static void unscoped_info( T msg ) {
+    UNSCOPED_INFO( msg );
+}
+
+TEST_CASE( "just unscoped info", "[unscoped][info]" ) {
+    unscoped_info( "this should NOT be seen" );
+    unscoped_info( "this also should NOT be seen" );
+}
+
+TEST_CASE( "just failure after unscoped info", "[failing][.][unscoped][info]" ) {
+    FAIL( "previous unscoped info SHOULD not be seen" );
+}
+
+TEST_CASE( "print unscoped info if passing unscoped info is printed", "[unscoped][info]" ) {
+    unscoped_info( "this MAY be seen IF info is printed for passing assertions" );
+    REQUIRE( true );
+}
+
+TEST_CASE( "prints unscoped info on failure", "[failing][.][unscoped][info]" ) {
+    unscoped_info( "this SHOULD be seen" );
+    unscoped_info( "this SHOULD also be seen" );
+    REQUIRE( false );
+    unscoped_info( "but this should NOT be seen" );
+}
+
+TEST_CASE( "not prints unscoped info from previous failures", "[failing][.][unscoped][info]" ) {
+    unscoped_info( "this MAY be seen only for the FIRST assertion IF info is printed for passing assertions" );
+    REQUIRE( true );
+    unscoped_info( "this MAY be seen only for the SECOND assertion IF info is printed for passing assertions" );
+    REQUIRE( true );
+    unscoped_info( "this SHOULD be seen" );
+    REQUIRE( false );
+}
+
+TEST_CASE( "prints unscoped info only for the first assertion", "[failing][.][unscoped][info]" ) {
+    unscoped_info( "this SHOULD be seen only ONCE" );
+    CHECK( false );
+    CHECK( true );
+    unscoped_info( "this MAY also be seen only ONCE IF info is printed for passing assertions" );
+    CHECK( true );
+    CHECK( true );
+}
+
+TEST_CASE( "stacks unscoped info in loops", "[failing][.][unscoped][info]" ) {
+    UNSCOPED_INFO("Count 1 to 3...");
+    for (int i = 1; i <= 3; i++) {
+        unscoped_info(i);
+    }
+    CHECK( false );
+
+    UNSCOPED_INFO("Count 4 to 6...");
+    for (int i = 4; i <= 6; i++) {
+        unscoped_info(i);
+    }
+    CHECK( false );
+}
+
+TEST_CASE( "mix info, unscoped info and warning", "[unscoped][info]" ) {
+    INFO("info");
+    unscoped_info("unscoped info");
+    WARN("and warn may mix");
+    WARN("they are not cleared after warnings");
+}
+
+TEST_CASE( "CAPTURE can deal with complex expressions", "[messages][capture]" ) {
+    int a = 1;
+    int b = 2;
+    int c = 3;
+    CAPTURE( a, b, c, a + b, a+b, c > b, a == 1 );
+    SUCCEED();
+}
+
+#ifdef __clang__
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wunused-value" // In (1, 2), the "1" is unused ...
+#endif
+#ifdef __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-value" // All the comma operators are side-effect free
+#endif
+#ifdef _MSC_VER
+#pragma warning(push)
+#pragma warning(disable:4709) // comma in indexing operator
+#endif
+
+template <typename T1, typename T2>
+struct helper_1436 {
+    helper_1436(T1 t1_, T2 t2_):
+        t1{ t1_ },
+        t2{ t2_ }
+    {}
+    T1 t1;
+    T2 t2;
+};
+
+template <typename T1, typename T2>
+std::ostream& operator<<(std::ostream& out, helper_1436<T1, T2> const& helper) {
+    out << "{ " << helper.t1 << ", " << helper.t2 << " }";
+    return out;
+}
+
+// Clang and gcc have different names for this warning, and clang also
+// warns about an unused value. This warning must be disabled for C++20.
+#if defined(__GNUG__) && !defined(__clang__)
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wpragmas"
+#pragma GCC diagnostic ignored "-Wcomma-subscript"
+#elif defined(__clang__)
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wunknown-pragmas"
+#pragma clang diagnostic ignored "-Wunknown-warning-option"
+#pragma clang diagnostic ignored "-Wdeprecated-comma-subscript"
+#pragma clang diagnostic ignored "-Wunused-value"
+#endif
+
+namespace {
+    template <typename T>
+    struct custom_index_op {
+        constexpr custom_index_op( std::initializer_list<T> ) {}
+        constexpr T operator[]( size_t ) { return T{}; }
+#if defined( __cpp_multidimensional_subscript ) && \
+    __cpp_multidimensional_subscript >= 202110L
+        constexpr T operator[]( size_t, size_t, size_t ) const noexcept {
+            return T{};
+        }
+#endif
+    };
+}
+
+TEST_CASE("CAPTURE can deal with complex expressions involving commas", "[messages][capture]") {
+    CAPTURE(custom_index_op<int>{1, 2, 3}[0, 1, 2],
+            custom_index_op<int>{1, 2, 3}[(0, 1)],
+            custom_index_op<int>{1, 2, 3}[0]);
+    CAPTURE((helper_1436<int, int>{12, -12}),
+            (helper_1436<int, int>(-12, 12)));
+    CAPTURE( (1, 2), (2, 3) );
+    SUCCEED();
+}
+
+#ifdef __GNUG__
+#pragma GCC diagnostic pop
+#endif
+
+TEST_CASE("CAPTURE parses string and character constants", "[messages][capture]") {
+    CAPTURE(("comma, in string", "escaped, \", "), "single quote in string,',", "some escapes, \\,\\\\");
+    CAPTURE("some, ), unmatched, } prenheses {[<");
+    CAPTURE('"', '\'', ',', '}', ')', '(', '{');
+    SUCCEED();
+}
+
+#ifdef __clang__
+#pragma clang diagnostic pop
+#endif
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#endif
+#ifdef _MSC_VER
+#pragma warning(pop)
+#endif
+
+TEST_CASE( "INFO and UNSCOPED_INFO can stream multiple arguments",
+           "[messages][info][.failing]" ) {
+    INFO( "This info"
+          << " has multiple"
+          << " parts." );
+    UNSCOPED_INFO( "This unscoped info"
+                   << " has multiple"
+                   << " parts." );
+    FAIL( "Show infos!" );
+}