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Move-enable Catch::optional

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This avoids copies in couple places through Catch2, e.g. reporter
spec handling, and moving around `AssertionResult` in `RunContext`.
This commit is contained in:
Martin Hořeňovský
2023-05-06 14:31:29 +02:00
parent d84777c9cb
commit c57b5cdf43
2 changed files with 76 additions and 18 deletions
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41
tests/SelfTest/IntrospectiveTests/Details.tests.cpp
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@@ -89,6 +89,47 @@ TEST_CASE("Optional comparison ops", "[optional][approvals]") {
}
}
namespace {
struct MoveChecker {
bool has_moved = false;
MoveChecker() = default;
MoveChecker( MoveChecker const& rhs ) = default;
MoveChecker& operator=( MoveChecker const& rhs ) = default;
MoveChecker( MoveChecker&& rhs ) { rhs.has_moved = true; }
MoveChecker& operator=( MoveChecker&& rhs ) {
rhs.has_moved = true;
return *this;
}
};
}
TEST_CASE( "Optional supports move ops", "[optional][approvals]" ) {
using Catch::Optional;
MoveChecker a;
Optional<MoveChecker> opt_A( a );
REQUIRE_FALSE( a.has_moved );
REQUIRE_FALSE( opt_A->has_moved );
SECTION( "Move construction from element" ) {
Optional<MoveChecker> opt_B( CATCH_MOVE( a ) );
REQUIRE( a.has_moved );
}
SECTION( "Move assignment from element" ) {
opt_A = CATCH_MOVE( a );
REQUIRE( a.has_moved );
}
SECTION( "Move construction from optional" ) {
Optional<MoveChecker> opt_B( CATCH_MOVE( opt_A ) );
REQUIRE( opt_A->has_moved );
}
SECTION( "Move assignment from optional" ) {
Optional<MoveChecker> opt_B( opt_A );
REQUIRE_FALSE( opt_A->has_moved );
opt_B = CATCH_MOVE( opt_A );
REQUIRE( opt_A->has_moved );
}
}
TEST_CASE( "Decomposer checks that the argument is 0 when handling "
"only-0-comparable types",
"[decomposition][approvals]" ) {