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#include "parser.hpp"
// parser_test.cpp - Testsuite for sexpr tree builder.
//
// Copyright © 2014 Ben Longbons <b.r.longbons@gmail.com>
//
// This file is part of The Mana World (Athena server)
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#include <gtest/gtest.h>
#include "../tests/fdhack.hpp"
#include "../poison.hpp"
namespace tmwa
{
static
io::FD string_pipe(ZString sz)
{
io::FD rfd, wfd;
if (-1 == io::FD::pipe(rfd, wfd))
return io::FD();
if (sz.size() != wfd.write(sz.c_str(), sz.size()))
{
rfd.close();
wfd.close();
return io::FD();
}
wfd.close();
return rfd;
}
TEST(sexpr, parser)
{
sexpr::SExpr s;
io::LineSpan span;
sexpr::Lexer lexer("<parser-test1>"_s, string_pipe(" foo( ) 123\"\" \n"_s));
EXPECT_TRUE(sexpr::parse(lexer, s));
EXPECT_EQ(s._type, sexpr::TOKEN);
EXPECT_EQ(s._str, "foo"_s);
EXPECT_TRUE(sexpr::parse(lexer, s));
EXPECT_EQ(s._type, sexpr::LIST);
EXPECT_EQ(s._list, std::vector<sexpr::SExpr>());
EXPECT_TRUE(sexpr::parse(lexer, s));
EXPECT_EQ(s._type, sexpr::INT);
EXPECT_EQ(s._int, 123);
EXPECT_TRUE(sexpr::parse(lexer, s));
EXPECT_EQ(s._type, sexpr::STRING);
EXPECT_EQ(s._str, ""_s);
EXPECT_FALSE(sexpr::parse(lexer, s));
EXPECT_EQ(lexer.peek(), sexpr::TOK_EOF);
}
TEST(sexpr, parselist)
{
sexpr::SExpr s;
sexpr::Lexer lexer("<parser-test1>"_s, string_pipe("(foo)(bar)\n"_s));
EXPECT_TRUE(sexpr::parse(lexer, s));
EXPECT_EQ(s._type, sexpr::LIST);
EXPECT_EQ(s._list.size(), 1);
EXPECT_EQ(s._list[0]._type, sexpr::TOKEN);
EXPECT_EQ(s._list[0]._str, "foo"_s);
EXPECT_TRUE(sexpr::parse(lexer, s));
EXPECT_EQ(s._type, sexpr::LIST);
EXPECT_EQ(s._list.size(), 1);
EXPECT_EQ(s._list[0]._type, sexpr::TOKEN);
EXPECT_EQ(s._list[0]._str, "bar"_s);
EXPECT_FALSE(sexpr::parse(lexer, s));
EXPECT_EQ(lexer.peek(), sexpr::TOK_EOF);
}
TEST(sexpr, parsebad)
{
QuietFd q;
for (LString bad : {
"(\n"_s,
")\n"_s,
"\"_s\n"_s,
"'\n"_s,
"\\\n"_s,
"\"_s\\"_s,
"\"_s\\z\""_s,
"(()\n"_s,
"((\n"_s,
"((\"\n"_s,
})
{
sexpr::SExpr s;
io::LineSpan span;
sexpr::Lexer lexer("<parse-bad>"_s, string_pipe(bad));
EXPECT_FALSE(sexpr::parse(lexer, s));
EXPECT_EQ(lexer.peek(), sexpr::TOK_ERROR);
}
}
} // namespace tmwa
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