mirror of
https://github.com/catchorg/Catch2.git
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313 lines
9.2 KiB
C++
313 lines
9.2 KiB
C++
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// Copyright Catch2 Authors
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE.txt or copy at
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// https://www.boost.org/LICENSE_1_0.txt)
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// SPDX-License-Identifier: BSL-1.0
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#include <catch2/catch_test_macros.hpp>
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#include <iostream>
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TEST_CASE( "INFO and WARN do not abort tests", "[messages][.]" ) {
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INFO( "this is a " << "message" ); // This should output the message if a failure occurs
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WARN( "this is a " << "warning" ); // This should always output the message but then continue
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}
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TEST_CASE( "#1455 - INFO and WARN can start with a linebreak", "[messages][.]" ) {
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// Previously these would be hidden from the console reporter output,
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// because it would fail at properly reflowing the text
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INFO( "\nThis info message starts with a linebreak" );
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WARN( "\nThis warning message starts with a linebreak" );
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}
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TEST_CASE( "SUCCEED counts as a test pass", "[messages]" ) {
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SUCCEED( "this is a " << "success" );
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}
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TEST_CASE( "INFO gets logged on failure", "[failing][messages][.]" ) {
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INFO( "this message should be logged" );
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INFO( "so should this" );
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int a = 2;
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REQUIRE( a == 1 );
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}
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TEST_CASE( "INFO gets logged on failure, even if captured before successful assertions", "[failing][messages][.]" ) {
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INFO( "this message may be logged later" );
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int a = 2;
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CHECK( a == 2 );
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INFO( "this message should be logged" );
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CHECK( a == 1 );
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INFO( "and this, but later" );
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CHECK( a == 0 );
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INFO( "but not this" );
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CHECK( a == 2 );
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}
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TEST_CASE( "FAIL aborts the test", "[failing][messages][.]" ) {
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FAIL( "This is a " << "failure" ); // This should output the message and abort
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WARN( "We should never see this");
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}
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TEST_CASE( "FAIL_CHECK does not abort the test", "[failing][messages][.]" ) {
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FAIL_CHECK( "This is a " << "failure" ); // This should output the message then continue
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WARN( "This message appears in the output");
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}
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TEST_CASE( "FAIL does not require an argument", "[failing][messages][.]" ) {
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FAIL();
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}
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TEST_CASE( "SUCCEED does not require an argument", "[messages][.]" ) {
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SUCCEED();
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}
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TEST_CASE( "Output from all sections is reported", "[failing][messages][.]" ) {
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SECTION( "one" ) {
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FAIL( "Message from section one" );
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}
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SECTION( "two" ) {
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FAIL( "Message from section two" );
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}
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}
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TEST_CASE( "Standard output from all sections is reported", "[messages][.]" ) {
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SECTION( "one" ) {
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std::cout << "Message from section one" << std::endl;
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}
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SECTION( "two" ) {
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std::cout << "Message from section two" << std::endl;
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}
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}
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TEST_CASE( "Standard error is reported and redirected", "[messages][.][approvals]" ) {
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SECTION( "std::cerr" ) {
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std::cerr << "Write to std::cerr" << std::endl;
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}
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SECTION( "std::clog" ) {
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std::clog << "Write to std::clog" << std::endl;
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}
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SECTION( "Interleaved writes to cerr and clog" ) {
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std::cerr << "Inter";
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std::clog << "leaved";
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std::cerr << ' ';
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std::clog << "writes";
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std::cerr << " to error";
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std::clog << " streams" << std::endl;
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}
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}
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TEST_CASE( "INFO is reset for each loop", "[messages][failing][.]" ) {
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for( int i=0; i<100; i++ )
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{
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INFO( "current counter " << i );
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CAPTURE( i );
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REQUIRE( i < 10 );
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}
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}
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TEST_CASE( "The NO_FAIL macro reports a failure but does not fail the test", "[messages]" ) {
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CHECK_NOFAIL( 1 == 2 );
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}
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TEST_CASE( "just info", "[info][isolated info][messages]" ) {
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INFO( "this should never be seen" );
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}
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TEST_CASE( "just failure", "[fail][isolated info][.][messages]" ) {
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FAIL( "Previous info should not be seen" );
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}
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TEST_CASE( "sends information to INFO", "[.][failing]" ) {
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INFO( "hi" );
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int i = 7;
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CAPTURE( i );
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REQUIRE( false );
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}
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TEST_CASE( "Pointers can be converted to strings", "[messages][.][approvals]" ) {
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int p;
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WARN( "actual address of p: " << &p );
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WARN( "toString(p): " << ::Catch::Detail::stringify( &p ) );
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}
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template <typename T>
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static void unscoped_info( T msg ) {
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UNSCOPED_INFO( msg );
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}
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TEST_CASE( "just unscoped info", "[unscoped][info]" ) {
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unscoped_info( "this should NOT be seen" );
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unscoped_info( "this also should NOT be seen" );
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}
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TEST_CASE( "just failure after unscoped info", "[failing][.][unscoped][info]" ) {
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FAIL( "previous unscoped info SHOULD not be seen" );
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}
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TEST_CASE( "print unscoped info if passing unscoped info is printed", "[unscoped][info]" ) {
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unscoped_info( "this MAY be seen IF info is printed for passing assertions" );
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REQUIRE( true );
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}
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TEST_CASE( "prints unscoped info on failure", "[failing][.][unscoped][info]" ) {
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unscoped_info( "this SHOULD be seen" );
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unscoped_info( "this SHOULD also be seen" );
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REQUIRE( false );
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unscoped_info( "but this should NOT be seen" );
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}
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TEST_CASE( "not prints unscoped info from previous failures", "[failing][.][unscoped][info]" ) {
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unscoped_info( "this MAY be seen only for the FIRST assertion IF info is printed for passing assertions" );
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REQUIRE( true );
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unscoped_info( "this MAY be seen only for the SECOND assertion IF info is printed for passing assertions" );
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REQUIRE( true );
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unscoped_info( "this SHOULD be seen" );
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REQUIRE( false );
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}
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TEST_CASE( "prints unscoped info only for the first assertion", "[failing][.][unscoped][info]" ) {
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unscoped_info( "this SHOULD be seen only ONCE" );
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CHECK( false );
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CHECK( true );
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unscoped_info( "this MAY also be seen only ONCE IF info is printed for passing assertions" );
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CHECK( true );
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CHECK( true );
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}
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TEST_CASE( "stacks unscoped info in loops", "[failing][.][unscoped][info]" ) {
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UNSCOPED_INFO("Count 1 to 3...");
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for (int i = 1; i <= 3; i++) {
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unscoped_info(i);
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}
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CHECK( false );
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UNSCOPED_INFO("Count 4 to 6...");
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for (int i = 4; i <= 6; i++) {
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unscoped_info(i);
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}
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CHECK( false );
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}
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TEST_CASE( "mix info, unscoped info and warning", "[unscoped][info]" ) {
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INFO("info");
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unscoped_info("unscoped info");
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WARN("and warn may mix");
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WARN("they are not cleared after warnings");
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}
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TEST_CASE( "CAPTURE can deal with complex expressions", "[messages][capture]" ) {
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int a = 1;
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int b = 2;
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int c = 3;
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CAPTURE( a, b, c, a + b, a+b, c > b, a == 1 );
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SUCCEED();
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}
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#ifdef __clang__
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wunused-value" // In (1, 2), the "1" is unused ...
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#endif
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#ifdef __GNUC__
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wunused-value" // All the comma operators are side-effect free
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#endif
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#ifdef _MSC_VER
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#pragma warning(push)
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#pragma warning(disable:4709) // comma in indexing operator
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#endif
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template <typename T1, typename T2>
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struct helper_1436 {
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helper_1436(T1 t1_, T2 t2_):
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t1{ t1_ },
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t2{ t2_ }
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{}
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T1 t1;
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T2 t2;
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};
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template <typename T1, typename T2>
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std::ostream& operator<<(std::ostream& out, helper_1436<T1, T2> const& helper) {
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out << "{ " << helper.t1 << ", " << helper.t2 << " }";
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return out;
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}
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// Clang and gcc have different names for this warning, and clang also
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// warns about an unused value. This warning must be disabled for C++20.
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#if defined(__GNUG__) && !defined(__clang__)
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wpragmas"
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#pragma GCC diagnostic ignored "-Wcomma-subscript"
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#elif defined(__clang__)
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wunknown-pragmas"
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#pragma clang diagnostic ignored "-Wunknown-warning-option"
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#pragma clang diagnostic ignored "-Wdeprecated-comma-subscript"
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#pragma clang diagnostic ignored "-Wunused-value"
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#endif
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namespace {
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template <typename T>
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struct custom_index_op {
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constexpr custom_index_op( std::initializer_list<T> ) {}
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constexpr T operator[]( size_t ) { return T{}; }
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#if defined( __cpp_multidimensional_subscript ) && \
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__cpp_multidimensional_subscript >= 202110L
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constexpr T operator[]( size_t, size_t, size_t ) const noexcept {
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return T{};
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}
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#endif
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};
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}
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TEST_CASE("CAPTURE can deal with complex expressions involving commas", "[messages][capture]") {
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CAPTURE(custom_index_op<int>{1, 2, 3}[0, 1, 2],
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custom_index_op<int>{1, 2, 3}[(0, 1)],
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custom_index_op<int>{1, 2, 3}[0]);
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CAPTURE((helper_1436<int, int>{12, -12}),
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(helper_1436<int, int>(-12, 12)));
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CAPTURE( (1, 2), (2, 3) );
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SUCCEED();
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}
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#ifdef __GNUG__
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#pragma GCC diagnostic pop
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#endif
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TEST_CASE("CAPTURE parses string and character constants", "[messages][capture]") {
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CAPTURE(("comma, in string", "escaped, \", "), "single quote in string,',", "some escapes, \\,\\\\");
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CAPTURE("some, ), unmatched, } prenheses {[<");
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CAPTURE('"', '\'', ',', '}', ')', '(', '{');
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SUCCEED();
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}
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#ifdef __clang__
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#pragma clang diagnostic pop
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#endif
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#ifdef __GNUC__
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#pragma GCC diagnostic pop
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#endif
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#ifdef _MSC_VER
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#pragma warning(pop)
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#endif
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TEST_CASE( "INFO and UNSCOPED_INFO can stream multiple arguments",
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"[messages][info][.failing]" ) {
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INFO( "This info"
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<< " has multiple"
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<< " parts." );
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UNSCOPED_INFO( "This unscoped info"
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<< " has multiple"
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<< " parts." );
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FAIL( "Show infos!" );
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}
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