catch2/tests/SelfTest/IntrospectiveTests/TestCaseInfoHasher.tests.cpp

73 lines
2.3 KiB
C++
Raw Normal View History

2022-03-31 20:04:08 +02:00
// Copyright Catch2 Authors
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.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/catch_test_case_info.hpp>
#include <catch2/internal/catch_test_case_info_hasher.hpp>
static constexpr Catch::SourceLineInfo dummySourceLineInfo = CATCH_INTERNAL_LINEINFO;
2022-03-31 22:30:38 +02:00
using Catch::TestCaseInfo;
using Catch::TestCaseInfoHasher;
2022-03-31 22:30:38 +02:00
TEST_CASE("Hashers with same seed produce same hash", "[test-case-hash]") {
TestCaseInfo dummy( "", { "name", "[a-tag]" }, dummySourceLineInfo );
TestCaseInfoHasher h1( 0x12345678 );
TestCaseInfoHasher h2( 0x12345678 );
REQUIRE( h1( dummy ) == h2( dummy ) );
}
2022-03-31 22:30:38 +02:00
TEST_CASE(
"Hashers with different seed produce different hash with same test case",
"[test-case-hash]") {
TestCaseInfo dummy( "", { "name", "[a-tag]" }, dummySourceLineInfo );
2022-03-31 22:30:38 +02:00
TestCaseInfoHasher h1( 0x12345678 );
TestCaseInfoHasher h2( 0x87654321 );
2022-03-31 22:30:38 +02:00
REQUIRE( h1( dummy ) != h2( dummy ) );
}
2022-03-31 22:30:38 +02:00
TEST_CASE("Hashing test case produces same hash across multiple calls",
"[test-case-hash]") {
TestCaseInfo dummy( "", { "name", "[a-tag]" }, dummySourceLineInfo );
2022-03-31 22:30:38 +02:00
TestCaseInfoHasher h( 0x12345678 );
2022-03-31 22:30:38 +02:00
REQUIRE( h( dummy ) == h( dummy ) );
}
2022-03-31 22:30:38 +02:00
TEST_CASE("Hashing different test cases produces different result", "[test-case-hash]") {
TestCaseInfoHasher h( 0x12345678 );
SECTION("Different test name") {
TestCaseInfo dummy1( "class", { "name-1", "[a-tag]" }, dummySourceLineInfo );
TestCaseInfo dummy2(
"class", { "name-2", "[a-tag]" }, dummySourceLineInfo );
2022-03-31 22:30:38 +02:00
REQUIRE( h( dummy1 ) != h( dummy2 ) );
}
SECTION("Different classname") {
TestCaseInfo dummy1(
"class-1", { "name", "[a-tag]" }, dummySourceLineInfo );
TestCaseInfo dummy2(
"class-2", { "name", "[a-tag]" }, dummySourceLineInfo );
REQUIRE( h( dummy1 ) != h( dummy2 ) );
}
SECTION("Different tags") {
TestCaseInfo dummy1(
"class", { "name", "[a-tag]" }, dummySourceLineInfo );
TestCaseInfo dummy2(
"class", { "name", "[b-tag]" }, dummySourceLineInfo );
2022-03-31 22:30:38 +02:00
REQUIRE( h( dummy1 ) != h( dummy2 ) );
}
}