freebsd-skq/contrib/lutok/stack_cleaner_test.cpp
brooks a111dd14a4 Add liblutok a lightweight C++ API for lua.
It is added an INTERNALLIB and not installed.  It will be used by kyua.

This is a preparatory commit for D24103.

Reviewed by:	emaste
Obtained from:	CheriBSD
Sponsored by:	DARPA
2020-03-23 18:26:23 +00:00

109 lines
3.4 KiB
C++

// Copyright 2011 Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of Google Inc. nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "stack_cleaner.hpp"
#include <atf-c++.hpp>
ATF_TEST_CASE_WITHOUT_HEAD(empty);
ATF_TEST_CASE_BODY(empty)
{
lutok::state state;
{
lutok::stack_cleaner cleaner(state);
ATF_REQUIRE_EQ(0, state.get_top());
}
ATF_REQUIRE_EQ(0, state.get_top());
}
ATF_TEST_CASE_WITHOUT_HEAD(some);
ATF_TEST_CASE_BODY(some)
{
lutok::state state;
{
lutok::stack_cleaner cleaner(state);
state.push_integer(15);
ATF_REQUIRE_EQ(1, state.get_top());
state.push_integer(30);
ATF_REQUIRE_EQ(2, state.get_top());
}
ATF_REQUIRE_EQ(0, state.get_top());
}
ATF_TEST_CASE_WITHOUT_HEAD(nested);
ATF_TEST_CASE_BODY(nested)
{
lutok::state state;
{
lutok::stack_cleaner cleaner1(state);
state.push_integer(10);
ATF_REQUIRE_EQ(1, state.get_top());
ATF_REQUIRE_EQ(10, state.to_integer(-1));
{
lutok::stack_cleaner cleaner2(state);
state.push_integer(20);
ATF_REQUIRE_EQ(2, state.get_top());
ATF_REQUIRE_EQ(20, state.to_integer(-1));
ATF_REQUIRE_EQ(10, state.to_integer(-2));
}
ATF_REQUIRE_EQ(1, state.get_top());
ATF_REQUIRE_EQ(10, state.to_integer(-1));
}
ATF_REQUIRE_EQ(0, state.get_top());
}
ATF_TEST_CASE_WITHOUT_HEAD(forget);
ATF_TEST_CASE_BODY(forget)
{
lutok::state state;
{
lutok::stack_cleaner cleaner(state);
state.push_integer(15);
state.push_integer(30);
cleaner.forget();
state.push_integer(60);
ATF_REQUIRE_EQ(3, state.get_top());
}
ATF_REQUIRE_EQ(2, state.get_top());
ATF_REQUIRE_EQ(30, state.to_integer(-1));
state.pop(2);
}
ATF_INIT_TEST_CASES(tcs)
{
ATF_ADD_TEST_CASE(tcs, empty);
ATF_ADD_TEST_CASE(tcs, some);
ATF_ADD_TEST_CASE(tcs, nested);
ATF_ADD_TEST_CASE(tcs, forget);
}