/*
* Copyright 2017 WebAssembly Community Group participants
*
* Licensed under the Apache License , Version 2 . 0 ( the " License " ) ;
* you may not use this file except in compliance with the License .
* You may obtain a copy of the License at
*
* http : //www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing , software
* distributed under the License is distributed on an " AS IS " BASIS ,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND , either express or implied .
* See the License for the specific language governing permissions and
* limitations under the License .
*/
#include "gtest/gtest.h"
#include <memory>
#include "wabt/wast-lexer.h"
#include "wabt/wast-parser.h"
using namespace wabt;
namespace {
std::string repeat(std::string s, size_t count) {
std::string result;
for (size_t i = 0 ; i < count; ++i) {
result += s;
}
return result;
}
Errors ParseInvalidModule(std::string text) {
Errors errors;
auto lexer =
WastLexer::CreateBufferLexer("test" , text.c_str(), text.size(), &errors);
std::unique_ptr<Module> module;
Features features;
WastParseOptions options(features);
Result result = ParseWatModule(lexer.get(), &module, &errors, &options);
EXPECT_EQ(Result::Error, result);
return errors;
}
} // end of anonymous namespace
TEST(WastParser, LongToken) {
std::string text;
text = "(module (memory " ;
text += repeat("a" , 0 x5000);
text += "))" ;
Errors errors = ParseInvalidModule(text);
ASSERT_EQ(1 u, errors.size());
ASSERT_EQ(ErrorLevel::Error, errors[0 ].error_level);
ASSERT_EQ(1 , errors[0 ].loc.line);
ASSERT_EQ(17 , errors[0 ].loc.first_column);
ASSERT_STREQ(
R"(unexpected token " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa...", expected a natural number (e.g. 123).)" ,
errors[0 ].message.c_str());
}
TEST(WastParser, LongTokenSpace) {
std::string text;
text = "notparen" ;
text += repeat(" " , 0 x10000);
text += "notmodule" ;
Errors errors = ParseInvalidModule(text);
ASSERT_EQ(2 u, errors.size());
ASSERT_EQ(ErrorLevel::Error, errors[0 ].error_level);
ASSERT_EQ(1 , errors[0 ].loc.line);
ASSERT_EQ(1 , errors[0 ].loc.first_column);
ASSERT_STREQ(
R"(unexpected token " notparen", expected a module field or a module.)" ,
errors[0 ].message.c_str());
ASSERT_EQ(1 , errors[1 ].loc.line);
ASSERT_EQ(65545 , errors[1 ].loc.first_column);
ASSERT_STREQ(R"(unexpected token notmodule, expected EOF.)" ,
errors[1 ].message.c_str());
}
Messung V0.5 in Prozent C=97 H=72 G=85
¤ Dauer der Verarbeitung: 0.17 Sekunden
(vorverarbeitet am 2026-08-24)
¤
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